IAD - YOW

C$ 183 Find Cheap Flights from Washington Dulles Airport to Ottawa

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Ottawa departing on 25/1. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Ottawa

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Ottawa, 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 Washington, D.C. to Ottawa, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
C$ 375
Overall average: C$ 603
Porter Airlines
Mon 19/1Mon 26/1
IAD - YOW • 1 stop
Cheapest direct flights
C$ 481
Typical prices: C$ 441-C$ 833
United Airlines
Wed 7/1Wed 14/1
IAD - YOW • Direct
Our travellers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Air Canada's Preferred Economy offers extra legroom.
United's Priority Boarding helps with carry-on space.
Expert advice
Expert advice
Expert advice
Expert advice
When to travel
April
Cheapest • 31% price drop
May
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Ottawa!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Dulles Intl to Ottawa (IAD-YOW)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Ottawa 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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Ottawa

Mon, 19 Jan - Mon, 26 Jan
Porter Airlines Logo
11:35 a.m. - 3:04 p.m.
IAD
-
YOW
3h 29m1 stop
Porter Airlines Logo
7:00 a.m. - 10:19 a.m.
YOW
-
IAD
3h 19m1 stop
C$ 375Porter Airlines
Fri, 9 Jan - Fri, 30 Jan
Porter Airlines Logo
11:35 a.m. - 3:04 p.m.
IAD
-
YOW
3h 29m1 stop
Porter Airlines Logo
7:00 a.m. - 10:19 a.m.
YOW
-
IAD
3h 19m1 stop
C$ 385Porter Airlines
Thu, 8 Jan - Mon, 12 Jan
Porter Airlines Logo
11:35 a.m. - 3:04 p.m.
IAD
-
YOW
3h 29m1 stop
Porter Airlines Logo
7:00 a.m. - 10:19 a.m.
YOW
-
IAD
3h 19m1 stop
C$ 388Porter Airlines
Fri, 16 Jan - Mon, 19 Jan
Porter Airlines Logo
11:35 a.m. - 5:29 p.m.
IAD
-
YOW
5h 54m1 stop
Porter Airlines Logo
7:00 a.m. - 10:19 a.m.
YOW
-
IAD
3h 19m1 stop
C$ 394Porter Airlines
Mon, 2 Feb - Fri, 6 Feb
Porter Airlines Logo
11:40 a.m. - 3:04 p.m.
IAD
-
YOW
3h 24m1 stop
Porter Airlines Logo
7:00 a.m. - 10:22 a.m.
YOW
-
IAD
3h 22m1 stop
C$ 396Porter Airlines
Thu, 15 Jan - Mon, 19 Jan
Porter Airlines Logo
11:35 a.m. - 3:04 p.m.
IAD
-
YOW
3h 29m1 stop
Porter Airlines Logo
7:00 a.m. - 10:19 a.m.
YOW
-
IAD
3h 19m1 stop
C$ 397Porter Airlines
Wed, 7 Jan - Wed, 14 Jan
Porter Airlines Logo
11:35 a.m. - 5:29 p.m.
IAD
-
YOW
5h 54m1 stop
Porter Airlines Logo
7:00 a.m. - 10:19 a.m.
YOW
-
IAD
3h 19m1 stop
C$ 414Porter Airlines
Fri, 13 Feb - Mon, 16 Feb
Porter Airlines Logo
11:40 a.m. - 3:04 p.m.
IAD
-
YOW
3h 24m1 stop
Porter Airlines Logo
12:10 p.m. - 5:14 p.m.
YOW
-
IAD
5h 04m1 stop
C$ 419Porter Airlines
Thu, 15 Jan - Sun, 18 Jan
Multiple Airlines Logo
11:35 a.m. - 5:29 p.m.
IAD
-
YOW
5h 54m1 stop
Multiple Airlines Logo
10:20 a.m. - 3:46 p.m.
YOW
-
IAD
5h 26m1 stop
C$ 421Multiple Airlines
Mon, 2 Feb - Fri, 6 Feb
Multiple Airlines Logo
1:31 p.m. - 11:58 p.m.
IAD
-
YOW
10h 27m1 stop
Multiple Airlines Logo
7:00 a.m. - 10:22 a.m.
YOW
-
IAD
3h 22m1 stop
C$ 422Multiple Airlines
Booking Insights

KAYAK's insights & trends for Dulles Intl to Ottawa flights

Get data-powered insights and trends into flights from Dulles Intl to Ottawa 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 Washington Dulles Airport to Ottawa?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to Ottawa clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Ottawa on a Friday and more expensive on a Sunday. On your return trip to Washington Dulles Airport, you should consider flying back on a Friday, and avoid Thursdays for better deals.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Ottawa?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Ottawa, 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 Washington, D.C. Dulles Intl Airport to Ottawa is April, where tickets cost C$ 410 (return) on average. On the other hand, the most expensive months are May and September, where the average cost of round-trip tickets is C$ 796 and C$ 783 respectively.

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Ottawa?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 473 on average.

Expert advice

Expert advice for your flight from Dulles Intl to Ottawa

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Air Canada

Air Canada's Preferred Economy seats offer up to 10 cm extra legroom for a fee.


Air Canada provides live TV on some North American flights, enhancing in-flight entertainment.

United Airlines

United's Priority Boarding in Zone 2 helps avoid gate-checking carry-ons on busy flights.


United offers Wi-Fi with free messaging; check coverage map before purchasing full internet.

Airports
IAD

Dulles offers the AeroTrain and mobile lounges for quick transit between terminals. Plan your route using an airport map for a smooth departure.

YOW

At YOW, taxis and rideshares are available at pillars 12 and 13 on the arrivals level for convenient city access.

Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada, United Airlines and IAD

Stefanie Waldek

Stefanie Waldek

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 YOW

Mark Stachiew

Mark Stachiew

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

Good to know

Low seasonJanuary
Cheapest flightC$ 183
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly (34% more expensive on average)
Flight from Washington Dulles Airport to Ottawa

When to book flights from Dulles Intl to Ottawa

Are your dates flexible? Find out the best times to travel from Dulles Intl to Ottawa 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 Washington Dulles Airport to Ottawa flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Ottawa?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Ottawa was C$ 183 for a one-way ticket and C$ 375 for a round-trip.

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

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

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

    The Canadair (Bombardier) Regional Jet CRJ-550 is the aircraft model that flies most regularly on the Washington Dulles Airport to Ottawa flight route.

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

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

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

    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 Washington Dulles Airport to Ottawa.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from Washington Dulles Airport 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 Washington Dulles Airport to Ottawa?

    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 Ottawa with an airline and back to Washington Dulles Airport with another airline.

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

    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 Ottawa from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to Ottawa

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 288 or less one-way.

Prefer to fly direct from Washington Dulles Airport to Ottawa?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Washington, D.C. Dulles Intl to Ottawa.
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Ottawa Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Ottawa

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more nonstop flights

Direct returns

Ottawa to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more nonstop flights

Everything you need to know for your flight from Dulles Intl to Ottawa

Information on your arrival and departure airports