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$134+ Cheap flights from Washington, D.C. (WAS) to Ottawa (YOW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YOW
Oct 28 — Nov 41
Mon 10/28
Mon 11/4
1 adult, Economy
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WAS - YOW
Oct 28 - Nov 4

Find cheap flights from Washington, D.C. to Ottawa with Cheapflights

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The best prices from Washington, D.C. to Ottawa are usually found in April or November, booked 63 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

September

Cheapest in

April

Round-trip from

$294
(Flightnetwork)

One-way from

$134
(Booking.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ottawa flights.
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High demand for flights, 22% potential price rise
Search Deals
Best time to find cheap flights, 29% potential price drop
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From Washington, D.C. (WAS) to Ottawa
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One-way flight from Washington, D.C. (WAS) to Ottawa
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Find flight deals from Washington, D.C. to Ottawa

Cheapest flights from Washington, D.C. to Ottawa
Explore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2024.

This Flightnetwork deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/281:45 pmIAD - YOW
1 stop3h 21mPorter Airlines
Mon 12/25:45 pmYOW - IAD
1 stop4h 39mPorter Airlines
Deal found 10/22$294
This Flightnetwork deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/281:45 pmIAD - YOW
1 stop4h 46mMultiple Airlines
Mon 12/27:30 pmYOW - IAD
Nonstop1h 50mMultiple Airlines
Deal found 10/22$307
This Flightnetwork deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/285:15 pmIAD - YOW
Nonstop1h 39mAir Canada
Mon 12/27:30 pmYOW - IAD
Nonstop1h 50mAir Canada
Deal found 10/22$316
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:55 pmDCA - YOW
Nonstop1h 40mAir Canada
Fri 12/610:30 amYOW - DCA
Nonstop1h 50mAir Canada
Deal found 10/22$327
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/165:28 amBWI - YOW
1 stop12h 16mMultiple Airlines
Tue 11/194:35 pmYOW - BWI
1 stop4h 35mMultiple Airlines
Deal found 10/22$338
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2012:55 pmDCA - YOW
Nonstop1h 40mMultiple Airlines
Thu 11/216:00 amYOW - DCA
1 stop4h 29mMultiple Airlines
Deal found 10/22$412
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/218:27 amIAD - YOW
1 stop4h 53mUnited Airlines
Sat 11/233:11 pmYOW - IAD
1 stop5h 07mUnited Airlines
Deal found 10/22$491
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1512:55 pmDCA - YOW
Nonstop1h 40mUnited Airlines
Thu 12/2610:30 amYOW - DCA
Nonstop1h 50mUnited Airlines
Deal found 10/21$556
This WestJet deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:00 amBWI - YOW
2 stops14h 50mWestJet
Fri 12/138:10 pmYOW - BWI
2 stops14h 44mWestJet
Deal found 10/22$674
This Mytrip deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:09 amDCA - YOW
3 stops14h 41mWestJet
Fri 12/69:35 pmYOW - DCA
3 stops18h 50mWestJet
Deal found 10/23$894
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:10 amBWI - YOW
2 stops11h 27mUnited Airlines
Fri 12/1311:25 amYOW - BWI
1 stop9h 28mUnited Airlines
Deal found 10/22$905
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1611:59 amDCA - YOW
2 stops12h 11mDelta
Tue 11/195:55 amYOW - DCA
2 stops12h 37mDelta
Deal found 10/22$1,089

Find flights from Washington, D.C. to Ottawa within your budget

Customize your flight search to find flights from Washington, D.C. to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,499,819 searches. Data last updated October 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$294 - $1,089

Route

Depart

Return

Price

Washington, D.C. Dulles IntlOttawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 11/28

1 stop3h 21m

Ottawa

Mon 12/2

1 stop4h 39m

$294

Washington, D.C. Dulles IntlOttawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 11/28

1 stop4h 46m

Ottawa

Mon 12/2

Nonstop1h 50m

$307

Washington, D.C. Dulles IntlOttawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 11/28

Nonstop1h 39m

Ottawa

Mon 12/2

Nonstop1h 50m

$316

Washington, D.C. Reagan-NationalOttawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 12/4

Nonstop1h 40m

Ottawa

Fri 12/6

Nonstop1h 50m

$327

Baltimore/WashingtonOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sat 11/16

1 stop12h 16m

Ottawa

Tue 11/19

1 stop4h 35m

$338

Washington, D.C. Reagan-NationalOttawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 11/20

Nonstop1h 40m

Ottawa

Thu 11/21

1 stop4h 29m

$412

Washington, D.C. Dulles IntlOttawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 11/21

1 stop4h 53m

Ottawa

Sat 11/23

1 stop5h 07m

$491

Washington, D.C. Reagan-NationalOttawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 12/15

Nonstop1h 40m

Ottawa

Thu 12/26

Nonstop1h 50m

$556

Baltimore/WashingtonOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 1/13

2 stops11h 31m

Ottawa

Wed 1/22

2 stops14h 58m

$660

Baltimore/WashingtonOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Sun 1/26

1 stop11h 19m

Ottawa

Tue 1/28

1 stop20h 51m

$866

Washington, D.C. Reagan-NationalOttawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 12/4

2 stops13h 23m

Ottawa

Fri 12/6

2 stops14h 44m

$1,001

Washington, D.C. Reagan-NationalOttawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 11/16

2 stops12h 11m

Ottawa

Tue 11/19

2 stops12h 37m

$1,089

Flights are sorted by cheapest first

Deals found on 10/22

Compare providers for flights from Washington, D.C. to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Ottawa in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington, D.C. to Ottawa

Get recent, data-driven insights about flights from Washington, D.C. to Ottawa including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Ottawa. Price data was last updated on October 18, 2024.

The best time to book flights from Washington, D.C. to Ottawa is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Find deals

What is the cheapest month to book a flight from Washington, D.C. to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of $289). Flying from Washington, D.C. to Ottawa in June is currently the most expensive (average of $460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to YOW?

Find hourly flight availability from Washington, D.C. to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2024.

It’s optimal to fly from Washington, D.C. to Ottawa at noon. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Ottawa?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Ottawa. Price data was last updated on October 20, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Ottawa flight should consider departing on Monday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated October 23, 2024.
Read through reviews of airlines operating flights from Washington, D.C. to Ottawa, such as Porter Airlines, Air Canada and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,885 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very good
8,885 reviews
Delta
8.0
Very good
8,885 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Porter Airlines
7.8
Good
294 reviews
Delta
8.0
Very good
8,885 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

United Airlines
7.4
Good
9,283 reviews
Delta
8.0
Very good
8,885 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

WestJet
7.3
Good
2,807 reviews
Delta
8.0
Very good
8,885 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Air Canada
7.0
Good
8,008 reviews
Delta
8.0
Very good
8,885 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ottawa from Washington, D.C.?

    Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C.. Booking flights from Washington, D.C. to Ottawa (YOW) should be relatively easy as there are 7 daily inbound flights from Washington, D.C. from 4 different airlines.

  • Can I find flights from Washington, D.C. to Ottawa for under $300 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. to Ottawa for under $300. The cheapest flight booked recently is on Porter Airlines for just $294, but on average you can expect to pay $554.

  • Are there nonstop flights from Washington, D.C. to Ottawa for under $400 on Cheapflights?

    Cheapflights has at least 6 direct flights from Washington, D.C. to Ottawa under $400. A good price for a nonstop flight from Washington, D.C. to Ottawa is less than $455.

  • Are there last-minute flights available from Washington, D.C. to Ottawa for under $500?

    There are currently 11+ open flights from Washington, D.C. to Ottawa within the next 7 days for less than $500.

  • What are the cheapest airlines flying from Washington, D.C. to Ottawa round-trip?

    Flying on Porter Airlines is currently your cheapest option to Ottawa, with prices starting at $294. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $316 and $491, respectively. You may be able to fly from Washington, D.C. to Ottawa for 19% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. to Ottawa one-way?

    $134 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $145 and $277, respectively.

  • What are the most popular routes from Washington, D.C. to Ottawa?

    When deciding which route to take from Washington, D.C. to Ottawa consider Washington, D.C. Dulles Intl - Ottawa, Washington, D.C. Reagan-National - Ottawa or Baltimore/Washington - Ottawa as they are the most popular.

  • What does BWI to YOW mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Baltimore/Washington Airport to Ottawa Airport flight would often be abbreviated as a BWI to YOW flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Washington, D.C. Dulles Intl Airport (IAD), Washington, D.C. Reagan-National Airport (DCA).

  • Can I find deals for flights from Washington, D.C. to Ottawa that include extra baggage allowance?

    The amount of baggage you can bring on your Washington, D.C. to Ottawa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington, D.C. to Ottawa with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington, D.C. to Ottawa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Washington, D.C. to Ottawa that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Ottawa.

  • Can I find deals for business class flights from Washington, D.C. to Ottawa?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Washington, D.C. to Ottawa that allow pets onboard?

    Many airlines flying from Washington, D.C. to Ottawa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington, D.C. to Ottawa?

    Yes, you can often find last-minute deals on Washington, D.C. to Ottawa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. to Ottawa flight deals updated?

    The Washington, D.C. to Ottawa flight deals you see on this page were last updated on 10/23.

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of $289). Flying from Washington, D.C. to Ottawa in June is currently the most expensive (average of $460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington, D.C. to Ottawa
See prices for flight routes from nearby airports that may be better suited for you.

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Reagan-National to Thunder Bay flights
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Reagan-National to Kingston flights

Top 4 airlines flying from Washington, D.C. to Ottawa

Discover the top 4 airlines that operate flights from Washington, D.C. to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,499,819 searches. Data last updated October 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$144Average$466FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$176Average$508FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$278Average$374FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$347Average$348FlexibilityNo cancel feeOn-time50%
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