IAD - YUL

C$ 208 Find Cheap Flights from Washington Dulles Airport to Montreal – Compare and Save

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Flight Deals

Cheap Flights from Dulles Intl to Montreal (IAD-YUL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Montreal

Sat, 17 Oct - Sun, 18 Oct
Porter Airlines Logo
11:25 a.m. - 6:12 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
6h 47m1 stop Toronto Island
Porter Airlines Logo
10:35 a.m. - 3:10 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
4h 35m1 stop Toronto Island
C$ 466Porter Airlines
Thu, 15 Oct - Sun, 18 Oct
Porter Airlines Logo
11:25 a.m. - 6:12 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
6h 47m1 stop Toronto Island
Porter Airlines Logo
10:35 a.m. - 3:10 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
4h 35m1 stop Toronto Island
C$ 466Porter Airlines
Sat, 3 Oct - Sat, 10 Oct
Air Canada Logo
4:00 p.m. - 8:21 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
4h 21m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 p.m. - 7:00 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
1h 55mdirect
C$ 468Air Canada
Mon, 12 Oct - Thu, 15 Oct
Porter Airlines Logo
11:25 a.m. - 6:12 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
6h 47m1 stop Toronto Island
Porter Airlines Logo
9:00 a.m. - 3:10 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
6h 10m1 stop Toronto Island
C$ 468Porter Airlines
Thu, 15 Oct - Sat, 24 Oct
Porter Airlines Logo
11:25 a.m. - 6:12 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
6h 47m1 stop Toronto Island
Porter Airlines Logo
6:30 a.m. - 10:45 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
4h 15m1 stop Toronto Island
C$ 468Porter Airlines
Fri, 16 Oct - Mon, 19 Oct
Air Canada Logo
5:20 p.m. - 9:45 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
4h 25m1 stop Toronto Island
Air Canada Logo
11:10 a.m. - 3:25 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
4h 15m1 stop Toronto Pearson Intl
C$ 474Air Canada
Wed, 25 Nov - Fri, 27 Nov
Air Canada Logo
5:20 p.m. - 9:45 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
4h 25m1 stop Toronto Island
Air Canada Logo
6:25 p.m. - 8:23 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
1h 58mdirect
C$ 480Air Canada
Thu, 15 Oct - Thu, 15 Oct
United Airlines Logo
12:43 p.m. - 2:40 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
1h 57mdirect
United Airlines Logo
4:55 p.m. - 10:52 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
5h 57m1 stop Chicago O'Hare Intl
C$ 666United Airlines
Sat, 10 Oct - Sat, 10 Oct
United Airlines Logo
8:33 a.m. - 1:09 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
4h 36m1 stop Newark
United Airlines Logo
4:55 p.m. - 10:52 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
5h 57m1 stop Chicago O'Hare Intl
C$ 680United Airlines
Wed, 14 Oct - Wed, 14 Oct
United Airlines Logo
6:45 a.m. - 1:09 p.m.IAD  Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl
6h 24m1 stop Newark
United Airlines Logo
4:55 p.m. - 10:52 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl
5h 57m1 stop Chicago O'Hare Intl
C$ 680United Airlines
Booking Insights

Price, demand, and travel trends for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport start at C$ 466. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 498 to C$ 778. The lowest price found in the past 5 days was C$ 466 on Porter Airlines.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport and is 10% cheaper than the average day. Thursday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport at C$ 498 round-trip.
  • May (C$ 683) and December (C$ 677) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 37% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport are cheapest 20 weeks before departure. Booking in this window typically costs about 45% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from Dulles Intl to Montreal

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Air Canada and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Mark Stachiew

Mark Stachiew

Expert on YUL

Mark Stachiew has been exploring the world and writing about it for more than 30 years. His travel stories have appeared in numerous newspapers, magazines and online publications in Canada, the United States and beyond.

Read more

Key details for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights

Low season

February

Cheapest flight

C$ 208
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly (10% more expensive on average)
Flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

When to book flights from Dulles Intl to Montreal

Are your dates flexible? Find out the best times to travel from Dulles Intl to Montreal based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights?

    Among airlines operating Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights:

    • Air Canada: offers extra legroom; offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    2 airlines operate flights between Washington, D.C. Dulles Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport. The airlines offering direct flights on this route include:

    • United Airlines
    • Air Canada

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Montreal Pierre Elliott Trudeau Intl (YUL).

  • Which airlines include bags at no extra cost on Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Air Canada: a carry-on bag and a checked bag in Economy Class
    • United Airlines: a carry-on bag and a checked bag in Economy Class
    • Lufthansa: a carry-on bag and a checked bag in Business Class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport:

    • Economy Class
    • Premium Economy Class

  • How much can I save by taking a layover when flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 493 round-trip via Toronto Island (YTZ), compared to C$ 645 for direct.

  • What is the standard checked bag allowance on flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 41–C$ 116 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    The Embraer 175 family is used most often on this route, operated mainly by Air Canada and United Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport most commonly connect through:

    • Toronto Island (YTZ) – 97% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 1% of one-stop connections
    • Ottawa (YOW) – 1% of one-stop connections
    • Minneapolis St Paul (MSP) – 0% of one-stop connections

    Toronto Island (YTZ) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 18% on the Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport route. Tuesday is the cheapest departure day at C$ 559 round-trip on average, while Thursday is the most expensive at C$ 677, a difference of C$ 119. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport spread across the day?

    Morning is the busiest departure period on Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights, with 34% leaving in that window. Afternoon departures account for 33%, Evening flights for 33%, and Night flights for 0%.

  • Which popular places can I visit in Montreal Pierre Elliott Trudeau Intl Airport?

    Some of the most popular sights in Montreal Pierre Elliott Trudeau Intl Airport are Centre Bell, Parc Jean-Drapeau, and Central Station Montreal. These are among the most viewed places in Montreal Pierre Elliott Trudeau Intl Airport on KAYAK.

  • What are the earliest and latest flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport:

    • Earliest: departs at 9:45 am and lands at 11:37 am
    • Latest: departs at 5:46 pm and lands at 7:38 pm.

    The flight takes about 1h 52m.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 46% above the route average of C$ 616. Book 20 weeks before departure for the lowest fares.

  • How long does a flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport take?

    A direct flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport takes 1h 52m, covering 1,263 km.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 466 to C$ 1,815. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport are currently lower than usual. Average one-way flight prices are about C$ 238, which is 25% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Flying via Ottawa (YOW) gives the shortest average 1-stop total travel time at 3h 31m, compared with 4h 18m via Toronto Island (YTZ) and 7h 05m via Atlanta Hartsfield-Jackson (ATL).

  • What car rental options are available at Montreal Pierre Elliott Trudeau Intl Airport (YUL)?

    Montreal Pierre Elliott Trudeau Intl Airport (YUL) hosts 5 major car rental companies, with daily rates starting from around C$ 17 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · Alamo
    · Thrifty
    · Hertz
    · Avis

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport range from C$ 498 to C$ 778, with an average of C$ 616 over the past 12 months. Anything below C$ 498 counts as a good deal.

  • Which airlines offer Wi-Fi on Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights?

    Two airlines offer in-flight Wi-Fi on Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights:

    • • Air Canada
    • • United Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Thursday. On this route, Tuesday flights average C$ 559 – about C$ 119 less than Thursday (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 45% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport trip for January. Fares historically average C$ 498 round-trip in that month – typically C$ 185 less than the most expensive month, which is May (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Toronto Island Airport (YTZ) can be cheaper than flying direct. The cheapest layover option averages C$ 493 round-trip on this route – about C$ 152 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Montreal Pierre Elliott Trudeau Intl Airport.
    - Aloft Montreal Airport
    - Sheraton Montreal Airport Hotel
    - Novotel Montréal Aéroport

Prefer to fly direct from Washington Dulles Airport to Montreal?

 
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport, which days they fly and book direct flights.

Direct departures

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

Monday

Air Canada,United Airlines

Air Canada,United Airlines

Tuesday

Air Canada,United Airlines

Air Canada,United Airlines

Wednesday

Air Canada,United Airlines

Air Canada,United Airlines

Thursday

Air Canada,United Airlines

Air Canada,United Airlines

Friday

Air Canada,United Airlines

Air Canada,United Airlines

Saturday

Air Canada,United Airlines

Air Canada,United Airlines

Sunday

Air Canada,United Airlines

Air Canada,United Airlines

See more nonstop flights

Direct returns

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

Monday

Air Canada,United Airlines

Air Canada,United Airlines

Tuesday

Air Canada,United Airlines

Air Canada,United Airlines

Wednesday

Air Canada,United Airlines

Air Canada,United Airlines

Thursday

Air Canada,United Airlines

Air Canada,United Airlines

Friday

Air Canada,United Airlines

Air Canada,United Airlines

Saturday

Air Canada,United Airlines

Air Canada,United Airlines

Sunday

Air Canada,United Airlines

Air Canada,United Airlines

See more nonstop flights

More options for your flight from Dulles Intl to Montreal

Complete your trip to Montreal with a hotel stay or car rental

Car rentals in Montreal
Hotels in Montreal
Vacations in Montreal