WAS - YOW

$150 Find Cheap Flights from Washington, D.C. to Ottawa - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Ottawa departing on 8/17. 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

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Everything you should know

Cheapest round-trip
$318
Typical prices: $446-$524
Porter Airlines
Thu 8/13Mon 8/17
IAD - YOW • 1 stop
Cheapest non-stop
$364
Typical prices: $218-$1,315
Air Canada
Tue 9/8Sat 9/12
DCA - YOW • Non-stop
Nonstop flights
You can fly direct with Air Canada and United Airlines. Average duration is 1h 41m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top routes
Cheapest • 6% average savings
Most popular
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $372 (round-trip)
Shortest trip • 3h 54m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 12% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
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Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Washington, D.C. to Ottawa (WAS-YOW)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. 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 Washington, D.C. to Ottawa

Thu, Aug 13 - Mon, Aug 17
Porter Airlines Logo
3:50 pm - 9:44 pm
IAD
-
YOW
5h 54m
1 stop
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$318Porter Airlines
Thu, Sep 3 - Tue, Sep 8
Porter Airlines Logo
11:25 am - 5:52 pm
IAD
-
YOW
6h 27m
1 stop
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$320Porter Airlines
Sun, Aug 23 - Fri, Aug 28
Porter Airlines Logo
3:50 pm - 9:44 pm
IAD
-
YOW
5h 54m
1 stop
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$320Porter Airlines
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
5:20 pm - 9:52 pm
IAD
-
YOW
4h 32m
1 stop
Multiple Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
$350Multiple Airlines
Tue, Sep 8 - Sat, Sep 12
Air Canada Logo
12:55 pm - 2:27 pm
DCA
-
YOW
1h 32mnonstop
Air Canada Logo
10:40 am - 12:14 pm
YOW
-
DCA
1h 34mnonstop
$364Air Canada
Tue, Sep 8 - Sat, Sep 12
Air Canada Logo
5:20 pm - 9:52 pm
IAD
-
YOW
4h 32m
1 stop
Air Canada Logo
12:15 pm - 4:38 pm
YOW
-
IAD
4h 23m
1 stop
$364Air Canada
Tue, Sep 8 - Sat, Sep 12
Multiple Airlines Logo
6:59 am - 5:35 pm
DCA
-
YOW
10h 36m
1 stop
Multiple Airlines Logo
10:40 am - 12:14 pm
YOW
-
DCA
1h 34mnonstop
$364Multiple Airlines
Tue, Sep 8 - Sat, Sep 12
Multiple Airlines Logo
6:59 am - 5:35 pm
DCA
-
YOW
10h 36m
1 stop
Multiple Airlines Logo
9:05 am - 3:40 pm
YOW
-
DCA
6h 35m
1 stop
$369Multiple Airlines
Wed, Sep 16 - Tue, Sep 22
United Airlines Logo
5:15 pm - 6:59 pm
IAD
-
YOW
1h 44mnonstop
United Airlines Logo
6:00 am - 7:43 am
YOW
-
IAD
1h 43mnonstop
$514United Airlines
Fri, Sep 25 - Mon, Sep 28
United Airlines Logo
10:10 pm - 11:54 pm
IAD
-
YOW
1h 44mnonstop
United Airlines Logo
7:30 pm - 9:14 pm
YOW
-
IAD
1h 44mnonstop
$514United Airlines
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Ottawa flights

Get data-powered insights and trends into flights from Washington, D.C. to Ottawa to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Washington, D.C. to Ottawa?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. to Ottawa departing in August.

Flight prices are below average for this route right now.

Flights to Ottawa from Washington, D.C. usually cost between $388 and $547 in August.
The lowest price found in the past 5 days was $318 on Porter Airlines (Aug 13-Aug 17).

What is the cheapest Washington, D.C. to Ottawa flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Washington, D.C. to Ottawa costs $193 on the route between Washington, D.C. Reagan-National Airport (DCA) and Ottawa (YOW). Over the past month, this route was, on average, 6% cheaper than other Washington, D.C.-Ottawa routes. It is also the most popular route.

What’s the cheapest day of the week to fly from Washington, D.C. to Ottawa?

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

If your flying dates are flexible, you should consider flying to Ottawa on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Washington, D.C. to Ottawa. For your return ticket, we recommend flying on a Tuesday and avoiding Sundays for the best deals.

What is the cheapest month to fly from Washington, D.C. 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. 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. to Ottawa is October, where tickets cost $430 (return) on average. On the other hand, the most expensive months are February and April, where the average cost of round-trip tickets is $647 and $564 respectively.

Can I save money by flying with a layover from Washington, D.C. 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.

No, with an average price for the route of $463, prices are generally cheapest when you fly direct.

Expert advice

Expert advice for your flight from Washington, D.C. 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.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada and United Airlines

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.

Good to know

Low season

February

Cheapest flight

$150
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Washington Dulles Airport to Ottawa

When to book flights from Washington, D.C. to Ottawa

Are your dates flexible? Find out the best times to travel from Washington, D.C. 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 flights from Washington, D.C. to Ottawa

  • Is Ottawa International Airport (YOW) friendly to those with limited mobility?

    YOW is a highly disabled-friendly airport. If you have limited mobility, you can count on being able to move with ease, given that the airport features elevators, ramps, and wheelchairs are provided upon request. If you’re not being picked up, you can take advantage of the Para Transpo service, a door-to-door transportation service meant to cater to the disabled.

  • What are the popular layover destinations for flights to YOW from Washington, D.C.?

    If you board a one-stop flight to YOW from Washington, D.C., your stopover will be dependent on the airline you fly with. If you fly with Air Canada, your layover with be at Toronto Pearson (YYZ). On the other hand, if you fly with Porter Airlines, your layover will be at Toronto Island (YTZ).

  • What is the carry-on policy for Air Canada?

    When flying with Air Canada, you’re allowed to bring on one personal item as well as one carry-on. The carry-on bag you travel with has to fit in the luggage compartment above your seat and not exceed 9 x 15.5 x 21.5 inches. Your personal item has to fit beneath the seat in front of you.

  • Can I carry my child on my lap when flying to Ottawa International Airport (YOW) with Air Canada?

    You can travel with your child on your lap when traveling with Air Canada, so long as your child is below two years. If you have two such children with you, you must purchase the older one a seat next to you, given that one adult may carry only one child on their lap.

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

    In the last 5 days, the lowest price for a flight from Washington, D.C. to Ottawa was $150 for a one-way ticket and $318 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Ottawa?

    Yes

  • Which airports will I be using when flying from Washington, D.C. to Ottawa?

    Washington, D.C. is served by 2 major airports and there is only 1 main airport in Ottawa. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Ottawa.

  • Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Ottawa?

    All the following airlines offer inflight Wi-Fi service on the Washington, D.C. to Ottawa flight route: Air Canada, United Airlines, American Airlines, JetBlue, Lufthansa, and Porter Airlines.

  • Which aircraft models fly most regularly from Washington, D.C. to Ottawa?

    The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the Washington, D.C. to Ottawa flight route.

  • Which airline alliances offer flights from Washington, D.C. to Ottawa?

    Star Alliance is the only airline alliance operating flights between Washington, D.C. and Ottawa.

  • On which days can I fly direct from Washington, D.C. to Ottawa?

    There are nonstop flights from Washington, D.C. to Ottawa on a daily basis.

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

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Ottawa are Porter Airlines and United Airlines. With an average price for the route of $351 and an overall rating of 8.0, Porter Airlines is the most popular choice. United Airlines is also a great choice for the route, with an average price of $511 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Washington, D.C. 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, D.C. to Ottawa.

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

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

  • What is the Hacker Fare option on flights from Washington, D.C. 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, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. 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, D.C. 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. to Ottawa

  • Looking for a cheap flight? 25% of our users found flights on this route for $254 or less one-way and $438 or less round-trip.
  • When flying from Washington, D.C., you may depart from Dulles (IAD), Ronald Reagan (DCA), or Baltimore/Washington International Thurgood Marshall Airport (BWI). You should book a flight that departs from IAD if you’re on a budget, DCA if you want to board at the airport closest to the heart of the city, and BWI if you want to avoid lengthy queues at check-in and boarding.
  • Suppose you want to travel to IAD via public transit, head to the stop at D Street S.W. Between 6th and 7th Street S.W. 5A. Here. In that case, you can wait for the D.C. Metro Bus 5A, a bus service that offers transportation between the airport and downtown Washington D.C. Aboard one, you’ll take roughly 45 minutes to reach the airport.
  • Suppose you want to travel to Ottawa International Airport (YOW) with an eco-friendly partner. In that case, consider flying with Air Canada, given that it has been ranked as one of the most eco-friendly participants in the aviation industry for years. This airline features efficient waste management and recycling systems, partnerships with dependable environmental groups, and a fleet of modern, fuel-efficient aircraft.
  • You can bring liquids, pastes, and even aerosols onboard your flight to YOW, irrespective of the airline you fly. This is on condition that you store them in 3.4 oz containers, which in turn should be stored in a transparent, resealable plastic bag with a maximum volume of one liter.
  • At YOW, you can rent a vehicle with ease, given that it features counters for several agencies, notably Alamo, Avis, Budget, Enterprise, Hertz, National, and Thrifty. The counters are on Level 1 of the Parkade inside the main terminal building, a few minutes from the baggage claim.

Prefer to fly direct from Washington, D.C. 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. to Ottawa.
Find which airlines fly direct from Washington, D.C. to Ottawa Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. to Ottawa

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 direct flights

Direct returns

Ottawa to Washington, D.C.

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 direct flights

Everything you need to know for your flight from Washington, D.C. to Ottawa

Information on your arrival and departure airports