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YUL - IAD

C$ 227 Find cheap flights from Montreal to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Montreal to Dulles Intl departing on 28/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 3/6
Mon 10/6

Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Montreal to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Montreal to Washington, D.C., as well as popular online travel agencies
In the last 7 days, travellers have searched 43,369,418 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheap flight deals from Montreal to Dulles Intl (YUL-IAD)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Montreal to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
9:30 a.m. - 11:26 a.m.YUL-IAD
1h 56mdirect
5:20 p.m. - 8:30 a.m.IAD-YUL
15h 10m1 stop
C$ 293United Airlines
Find Deal
Sat, 15 Jun - Sat, 15 Jun
10:45 a.m. - 3:52 p.m.YUL-IAD
5h 07m1 stop
1:30 p.m. - 5:55 p.m.IAD-YUL
4h 25m1 stop
C$ 357Porter Airlines
Find Deal
Fri, 24 May - Sun, 26 May
10:45 a.m. - 3:52 p.m.YUL-IAD
5h 07m1 stop
1:00 p.m. - 6:00 p.m.IAD-YUL
5h 00m1 stop
C$ 358Porter Airlines
Find Deal
Fri, 31 May - Mon, 3 Jun
3:29 p.m. - 5:28 p.m.YUL-IAD
1h 59mdirect
5:25 p.m. - 7:27 p.m.IAD-YUL
2h 02mdirect
C$ 383Air Canada
Find Deal
Thu, 27 Jun - Sat, 6 Jul
1:57 p.m. - 3:53 p.m.YUL-IAD
1h 56mdirect
8:30 a.m. - 1:16 p.m.IAD-YUL
4h 46m1 stop
C$ 395United Airlines
Find Deal
Thu, 5 Sep - Mon, 30 Sep
3:29 p.m. - 5:28 p.m.YUL-IAD
1h 59mdirect
5:25 p.m. - 7:27 p.m.IAD-YUL
2h 02mdirect
C$ 416Air Canada
Find Deal
Wed, 3 Jul - Wed, 10 Jul
6:14 a.m. - 12:45 p.m.YUL-IAD
6h 31m1 stop
5:03 p.m. - 10:55 p.m.IAD-YUL
5h 52m1 stop
C$ 458Delta
Find Deal
Tue, 2 Jul - Fri, 5 Jul
7:10 a.m. - 12:40 p.m.YUL-IAD
5h 30m1 stop
11:00 a.m. - 5:51 p.m.IAD-YUL
6h 51m1 stop
C$ 480WestJet
Find Deal
Thu, 8 Aug - Tue, 13 Aug
6:00 a.m. - 10:59 p.m.YUL-IAD
16h 59m1 stop
6:00 a.m. - 8:15 p.m.IAD-YUL
14h 15m2 stops
C$ 484WestJet
Find Deal
Thu, 4 Jul - Thu, 15 Aug
6:14 a.m. - 12:44 p.m.YUL-IAD
6h 30m1 stop
5:03 p.m. - 10:55 p.m.IAD-YUL
5h 52m1 stop
C$ 495Delta
Find Deal
Fri, 28 Jun - Fri, 5 Jul

Flights from Montreal to Dulles Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Montreal to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Montreal to Washington Dulles Airport?

The average price of all flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Washington Dulles Airport on a Thursday and more expensive on a Wednesday. On your return trip to Montreal, you should consider flying back on a Saturday, and avoid Tuesdays for better deals.

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport is April, where tickets cost C$ 390 on average. On the other hand, the most expensive months are March and June, where the average cost of tickets is C$ 599 and C$ 589 respectively.

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 75 days before departure.

Which airlines provide the cheapest flights from Montreal to Washington Dulles Airport?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Montreal to Washington Dulles Airport found by KAYAK users in the last 72 hours was for C$ 293 on United Airlines, followed by Porter Airlines (C$ 357). One-way flight deals have also been found from as low as C$ 227 on Porter Airlines and from C$ 228 on United Airlines.

Which airlines fly direct between Montreal Pierre Elliott Trudeau Intl Airport and Washington, D.C. Dulles Intl Airport?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport.
There are 2 airlines that fly direct from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport. They are Air Canada and United Airlines. The cheapest airline for this route is Air Canada, with the best deal found costing C$ 328. On average, the best prices for this route can be found at Air Canada.

How many flights are there between Montreal Pierre Elliott Trudeau Intl Airport and Washington, D.C. Dulles Intl Airport per day?

Each day, there are 4 nonstop flights that take off from Montreal Pierre Elliott Trudeau Intl Airport and land in Washington, D.C. Dulles Intl Airport, with an average flight time of 1h 58m. The most common departure time is 6:00 p.m. and most flights take off in the afternoon. Each week, there are 28 flights and there are the same amount of flights each day 4.

Which cabin class options are there for flights between Montreal Pierre Elliott Trudeau Intl Airport and Washington, D.C. Dulles Intl Airport?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Montreal to Washington Dulles Airport take?

Direct flights cover the 1,263 km separating Montreal to Washington Dulles Airport in about 1h 48m.

What’s the earliest departure time from Montreal to Washington Dulles Airport?

Early birds can take the earliest flight from Montreal Pierre Elliott Trudeau Intl Airport at 9:30 am and will be landing in Washington, D.C. Dulles Intl Airport at 11:26 am.

What’s the latest departure time from Montreal to Washington Dulles Airport?

If you prefer to fly at night, the latest flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport jets off at 7:00 pm and lands at 8:49 pm.

Good to know

Low season

January

High season

July

Cheapest flight

C$ 227
Best time to beat the crowds (28% less expensive on average)
Most popular time to fly (64% more expensive on average)
Flight from Montreal to Washington Dulles Airport

When to book flights from Montreal to Dulles Intl

Are your dates flexible? Find out the best times to travel from Montreal to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Montreal to Washington Dulles Airport flights

  • What is the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport?

    In the last 3 days, the lowest price for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Washington, D.C. Dulles Intl Airport was C$ 166 for a one-way ticket and C$ 214 for a round-trip.

  • Which airports will I be using when flying from Montreal to Washington Dulles Airport?

    Montreal airport is called Montreal Pierre Elliott Trudeau Intl and the only airport in Washington Dulles Airport is Washington, D.C. Dulles Intl.

  • Which airlines offer Wi-Fi service onboard planes from Montreal to Washington Dulles Airport?

    Air Canada, United Airlines, Lufthansa, and American Airlines offer inflight Wi-Fi service on the Montreal to Washington Dulles Airport flight route.

  • Which aircraft models fly most regularly from Montreal to Washington Dulles Airport?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Montreal to Washington Dulles Airport flight route.

  • Which airline alliances offer flights from Montreal to Washington Dulles Airport?

    Star Alliance is the only airline alliance operating flights between Montreal and Washington Dulles Airport.

  • On which days can I fly direct from Montreal to Washington Dulles Airport?

    There are direct flights from Montreal to Washington Dulles Airport on a daily basis.

  • Which is the best airline for flights from Montreal to Washington, D.C., Porter Airlines or United Airlines?

    The two airlines most popular with KAYAK users for flights from Montreal to Washington, D.C. are Porter Airlines and United Airlines. With an average price for the route of C$ 409 and an overall rating of 7.4, Porter Airlines is the most popular choice. United Airlines is also a great choice for the route, with an average price of C$ 708 and an overall rating of 7.3.

  • How does KAYAK find such low prices on flights from Montreal to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montreal to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montreal to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Montreal is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Montreal to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Montreal with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montreal to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Montreal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Montreal to Washington, D.C.

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 277 or less one-way and C$ 577 or less round-trip.

Prefer to fly non-stop from Montreal to Washington Dulles Airport?

Find which airlines fly direct from Pierre Elliott Trudeau Intl to Dulles Intl, which days they fly and book direct flights.

Nonstop departures

Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl

Monday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Tuesday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Wednesday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Thursday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Friday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Saturday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Sunday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

See more nonstop flights

Nonstop returns

Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl

Monday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Tuesday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Wednesday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Thursday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Friday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Saturday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

Sunday

Air Canada, Avianca, Copa Airlines, +1 more

Air Canada, Avianca, +2 more

See more nonstop flights
See more nonstop flights

Top 3 airlines serving from Montreal to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Montreal to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Montreal to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Porter AirlinesOverall score based on 433 reviews
7.6Boarding
8.2Crew
6.6Entertainment
7.5Comfort
7.4Food
Airline reviews

First time with Porter and I can say this is best airline company in Canada. Great service, free WiFi, free snack and drinks (including beer and wine). Seats were super comfy on the Embraer jet and I appreciated the folding try table too. Staff were excellent both legs of the trip.

10.0 ExcellentJustin, Apr. 2024YVR - YYZ
Read more about Porter Airlines reviews

First time with Porter and I can say this is best airline company in Canada. Great service, free WiFi, free snack and drinks (including beer and wine). Seats were super comfy on the Embraer jet and I appreciated the folding try table too. Staff were excellent both legs of the trip.

Tight transfer in Montreal. (15 min) However, we made it, as did my luggage.

Check in was slow because of passenger ahead in Reserve line. Seats were somewhat uncomfortable.

First time with Porter. Amazing experience overall, will be my airline of choice in North America whenever possible. Liked the quality of food and how it was served but one suggestion- a hot meal on the longer flights, perhaps?

Delayed by 2.5 hours. This happened previously on my flight from YOW to YVR on Dec. 26.2023. This is a terrible airline. The reason was there was lack of ground crew. This is a known event. AVOID PORTER AIRLINES IF YOU CAN. There is a reason half the plane was empty.

The airline arrival at the downtown airport is a big plus.. Food and beverage was excellent. Their non weather related cancellation is horrible. Overall I gave the airline 7 over 10 Tips for people flying porter from Boston. The airline doesn’t have inflight entertainment No TV No WIFI. Bring your entertainment with you.

The airline arrival at the downtown airport is a big plus.. Food and beverage was excellent. Their non weather related cancellation is horrible. Overall I gave the airline 7 over 10

Wasn’t on the flight- again. Bad weather in Halifax and I was in an accident. What a poor experience to have to pay for all this flight and not be on it

I didn’t make my flight due to poor weather and I had an accident driving there. I tried to get my money back or even credit and nothing. I have an entire flight both to Florida and back that I paid for and no one will give me any money back. I know this isn’t just Porter and it’s 3rd party- however airlines should allow these companies to take money for things they don’t get. I’m so upset. Who can afford a full flight they never take?

Flight Ottawa to Toronto canceled and no crew was available to direct me on what to do. I opened a file and I wait to be compensated.

The food that was offered based on class level of your ticket was absolutely ridiculous and disgusting. They didn't even hot tea to serve, the food was horrible. On our departure flight I was seated in premium plus economy and considering the cost of the flight the food was literally some of the worst I've ever eaten. On the return flight I sat in economy with extra leg room and was given a thin little throw "blanket" and a flimsy little pillow. The air condition was on artic and the seating arrangement wasn't really worth the money. The seat didn't recline good enough and the foot rest was laughable. Total waste.

All flights were on time and boarding was issue free

Water service would be great. The way they board is terrible. Slow passengers first😂😂 They need to smart up a bit

I like the non stop flight to Lagos. The cabin crew were great, the food was alright and the ride was smooth. The downside is there wasn’t wifi connection from Lagos to Washington as stated. The 11hrs flight, became boring at times because of no wifi.

It got me where I needed it to; not much more. It had no competition so that was why I chose it.

Plane didn’t even make it off the ground. We all had to get off and walk to a different terminal (lots of confusion) to get on a different plane. Landed fairly late, connections missed.

One of the best flying experiences I’ve ever had.

The flight cancellation and process for getting a new flight was not that clear. United also had some delays that were unexpected. I am the most disappointed by the fact that I originally bought a Lufthansa ticket, only to be flown by United.

Need to have more snacks for the duration and coffee.

Crowded flight, but upbeat and kind crew. Pilot greeted us at door, flight attendant thanked a number of “special” passengers for their business, another addressed an eight-year old boy as “young man.” United obviously trying to up their game, but though all of that is nice and notable, flying still feels like moving along a human assembly line, being herded into one small space after another (boarding areas with too few seats, planes with limited personal space, shuttles (IAD) packed too full.

Flight was delayed, I had to put my luggage all the way in the back! They served only a beverage no snack on the way in Air Canada, definitely not a good first impression.

When we got to the airport for our flight from Chicago to Montreal which was scheduled for 2.00 p.m. they had no record of it and booked us on a flight at 3.30 very disappointing . We also had to pay 50.00 each for a seat. All things considered ,I will never book thru Kayak again. Next time I will only book directly thru Air Canada no second party booking Sue

The flight had maintenance issues eventually resulting in cancelation. Additionally, the staff on the ground was not helpful to assist with rebooking the flights resulting in an overall unpleasant experience and we missed a family wedding due to the cancelation.

My flight has been canceled and I had to cancel entire trip.

Crew were fabulous, motivated and sincere in their connections. The chairs need reupholster as they have lost their stuffing lol Food was meh. Most of us have to eat healthy these days. Really impressed with the staff

No food for a 6 hours flight! Plus very expensive to buy ! Sit uncomfortable! Awful!!!

There was no food on this flight. We had less than 1/3 full plane and were not allowed to spread out. Staff gave the story of the plane had to have all of us up front for 'balance.' Total bs.

There were changes to my flight with many email and very difficult to keep up with details of changes. I consulted Air Canada website that said I was to depart Casablanca at 9:35 but when I got to airport that take off time was delayed by 2 hours. That's 2 hours at an airport instead of bed. I don't understand why Air Canada website didn't show the change in take off like they showed the change in transfer. Do better.

I was delayed from Montreal to Tokyo for 3 hours and they didn't compensate anything

Flying Business on Air Canada is wonderful. With ultimate destination in US, you get the Lounge. Only problem is there was no lounge in YQB so it had to wait until connector in YUL. Flight itself is only about 30 min like the old DC-NYC shuttle so there was no service other than almonds and the bottle of water that was at your seat upon boarding. Would have been nice to be offered a beverage and there was enough time to do a quick pass for the 16 seats. That and having a lounge in YQB are only complaints, but that's very first world complaint. The FA were cordial and professional if not warm. It was a good flight and I'd do it again. But, word to the wise, it's a very different experience doing border check in YUL than YYZ. Long walk and had to go through full screening (including taking off shoes and having to chuck the bottle I had just gotten not knowing there was going to be a frull screening since there was no warning) at YUL even though never left the terminal after landing. YYZ was just a passport check. This is not A/C's fault, but travelers should be advised/warned in advance so they know what to expect especially since you land and have access tot eh terminal and it's stores and food before you get to border check. If you have mobility issues, the distance can easily be a problem and there is no warning of how long it is until you have reached the end. My mom would not be able to navigate it and someone like her may not be able to stop in the middle of an empty long corridor to ask for mobility help. A sign offering how long (10 Min, etc.) the walk is like at new LGA terminals goes a long way. Also can be stressful if you're tight on time for a connection.

Book cheap flights from Montreal to Washington, D.C.

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Montreal to Washington, D.C. found on KAYAK in the last 72 hours.
28/5Tue
1 stopPorter Airlines
5h 07mYUL-IAD
C$ 227
3/6Mon
directUnited Airlines
1h 49mYUL-IAD
C$ 228
30/5Thu
directAir Canada
1h 59mYUL-IAD
C$ 230
29/5Wed
directUnited Airlines
1h 48mYUL-IAD
C$ 243
5/7Fri
1 stopUnited Airlines
4h 05mYUL-IAD
C$ 249
6/7Sat
1 stopPorter Airlines
4h 47mYUL-IAD
C$ 271
16/6Sun
directAir Canada
1h 56mYUL-IAD
C$ 279
3/6Mon
2 stopsWestJet
14h 19mYUL-IAD
C$ 310
3/6Mon
2 stopsWestJet
14h 19mYUL-IAD
C$ 346
19/6Wed
2 stopsAmerican Airlines
12h 59mYUL-IAD
C$ 601

Search by stops

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Last minute flights from Montreal to Dulles Intl

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Montreal to Washington, D.C. that are departing in the next 10 days.
6/5Mon
multi-stopPorter Airlines
5h 07mYUL-IAD
15/5Wed
multi-stopPorter Airlines
5h 00mIAD-YUL
C$ 647
9/5Thu
multi-stopPorter Airlines
4h 37mYUL-IAD
14/5Tue
multi-stopPorter Airlines
6h 15mIAD-YUL
C$ 653
9/5Thu
multi-stopPorter Airlines
4h 37mYUL-IAD
13/5Mon
multi-stopPorter Airlines
5h 00mIAD-YUL
C$ 685
6/5Mon
multi-stopAir Canada
3h 33mYUL-IAD
15/5Wed
directAir Canada
1h 55mIAD-YUL
C$ 734
9/5Thu
directAir Canada
1h 49mYUL-IAD
14/5Tue
directAir Canada
2h 01mIAD-YUL
C$ 735
9/5Thu
multi-stopWestJet
5h 20mYUL-IAD
14/5Tue
multi-stopWestJet
17h 16mIAD-YUL
C$ 770
8/5Wed
directUnited Airlines
1h 49mYUL-IAD
11/5Sat
directUnited Airlines
2h 01mIAD-YUL
C$ 783
8/5Wed
directUnited Airlines
2h 01mYUL-IAD
12/5Sun
multi-stopUnited Airlines
4h 56mIAD-YUL
C$ 786
9/5Thu
multi-stop
20h 35mYUL-IAD
14/5Tue
multi-stop
18h 30mIAD-YUL
C$ 790
8/5Wed
multi-stop
24h 30mYUL-IAD
13/5Mon
multi-stop
5h 30mIAD-YUL
C$ 848

Search by stops

Search by airline

Search by price

Montreal - Washington Dulles Airport Flights

Departure:

Montreal (YUL)Canada

Destination:

Washington Dulles Airport (IAD)United States

Return flight deals:

Washington Dulles Airport - Montreal

Cabin classes:

C$ 1,654
C$ 1,103
C$ 2,771
C$ 396