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Ottawa

$112+ Cheap flights from Washington 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YOW
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Washington to Ottawa

Cheapest flights from Washington to Ottawa
Explore the most affordable flight options available from Washington to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:10 pmSEA - YOW
1 stop22h 43mWestJet
Tue 12/25:40 amYOW - SEA
2 stops11h 40mWestJet
Deal found 10/28$315
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:10 pmSEA - YOW
2 stops30h 32mWestJet
Tue 12/95:40 amYOW - SEA
2 stops11h 40mWestJet
Deal found 10/30$380
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Tue 11/253:10 pmSEA - YOW
3 stops30h 32mMultiple Airlines
Tue 12/26:55 pmYOW - SEA
2 stops22h 40mMultiple Airlines
Deal found 10/28$441
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 11/129:34 pmSEA - YOW
1 stop12h 01mMultiple Airlines
Fri 11/143:55 pmYOW - SEA
1 stop9h 55mMultiple Airlines
Deal found 10/30$473
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 11/129:34 pmSEA - YOW
2 stops21h 55mMultiple Airlines
Sat 11/159:25 amYOW - SEA
1 stop14h 21mMultiple Airlines
Deal found 10/30$486
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 12/117:04 amPDX - YOW
2 stops14h 36mMultiple Airlines
Wed 12/174:20 pmYOW - PDX
1 stop19h 57mMultiple Airlines
Deal found 10/28$487
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/87:00 amPDX - YOW
1 stop26h 35mMultiple Airlines
Thu 12/116:00 amYOW - PDX
2 stops18h 46mMultiple Airlines
Deal found 10/28$512
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/89:31 amPDX - YOW
2 stops26h 13mMultiple Airlines
Fri 12/129:25 amYOW - PDX
1 stop14h 19mMultiple Airlines
Deal found 10/28$516
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/157:55 amSEA - YOW
1 stop7h 30mMultiple Airlines
Mon 12/158:55 pmYOW - SEA
2 stops20h 25mMultiple Airlines
Deal found 10/28$521
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/153:40 pmSEA - YOW
2 stops22h 33mMultiple Airlines
Mon 12/225:40 amYOW - SEA
1 stop16h 31mMultiple Airlines
Deal found 10/28$558
This Air Canada deal was found by Cheapflights users on 10/28. 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.
Mon 12/87:00 pmPDX - YOW
1 stop8h 43mAir Canada
Thu 12/117:45 amYOW - PDX
1 stop9h 55mAir Canada
Deal found 10/28$562
This Air Canada deal was found by Cheapflights users on 10/28. 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.
Mon 12/87:00 pmPDX - YOW
1 stop8h 43mAir Canada
Fri 12/127:45 amYOW - PDX
1 stop9h 55mAir Canada
Deal found 10/28$597

Cheap flight deals from Washington to Ottawa

Keep the following information in mind while searching for Washington to Ottawa flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$278
(Air Canada)

One-way from

$112
(Air Canada)

Popular in

February

Cheapest in

October

Average price

$393
Provider with most accurate pricing for Seattle/Tacoma Intl-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ottawa flights.
Search Deals
From Washington to Ottawa
Search Deals
One-way flight from Washington to Ottawa
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Washington to Ottawa that are best for you.

Fly from

Washington

Fly to

Ottawa

Route

Depart

Return

Price

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 1/21

10:05 am-11:08 pm

2 stops10h 03m

Ottawa

Fri 1/23

5:45 am-2:31 pm

2 stops11h 46m

$290

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 1/12

5:50 am-3:45 pm

1 stop6h 55m

Ottawa

Sun 1/18

10:20 am-10:16 pm

1 stop14h 56m

$303

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 11/28

3:10 pm-12:42 am

2 stops30h 32m

Ottawa

Tue 12/9

6:00 am-2:20 pm

1 stop11h 20m

$401

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 11/27

3:10 pm-6:21 pm

2 stops24h 11m

Ottawa

Thu 12/4

5:40 am-2:20 pm

2 stops35h 40m

$447

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 1/1

8:00 am-6:26 pm

1 stop7h 26m

Ottawa

Sat 1/17

5:40 am-9:36 am

2 stops30h 56m

$455

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 11/12

9:34 pm-10:29 pm

2 stops21h 55m

Ottawa

Fri 11/14

3:55 pm-10:50 pm

1 stop9h 55m

$482

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 11/12

9:34 pm-10:29 pm

2 stops21h 55m

Ottawa

Sat 11/15

9:25 am-8:46 pm

1 stop14h 21m

$486

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 1/1

5:00 am-11:54 pm

2 stops15h 54m

Ottawa

Sat 1/17

9:45 am-6:28 pm

2 stops11h 43m

$519

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 11/27

3:10 pm-8:24 am

3 stops14h 14m

Ottawa

Thu 12/4

8:55 pm-2:20 pm

2 stops20h 25m

$541

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 11/13

8:10 am-6:38 pm

1 stop7h 28m

Ottawa

Sun 11/16

7:45 am-10:06 pm

1 stop17h 21m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 29 results
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Best time to book a flight from Washington to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Ottawa

What is the cheapest month to book a flight from State of Washington to Ottawa?

Currently, May is the cheapest month in which you can book a flight from State of Washington to Ottawa (average of $205). Flying from State of Washington to Ottawa in December is currently the most expensive (average of $301). 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 WA to YOW?

Find hourly flight availability from Washington 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 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 58% on flights from State of Washington to Ottawa by exploring options for tickets in the afternoon.

What is the cheapest day to fly from State of Washington to Ottawa?

Use this chart to determine the cheapest time to fly round-trip from Washington to Ottawa. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Ottawa flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Washington. Ottawa is conveniently located just 6.6 mi from Ottawa’s city center.

  • How long is the flight from State of Washington to Ottawa?

    Airlines like Air Canada and WestJet fly from State of Washington to Ottawa in about 10h 03m. The time it takes to get you to your destination can typically vary by up to 20h 29m. The distance from State of Washington to Ottawa is about 2193 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Ottawa one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $155. Users have also found prices from $167 and $253 on United Airlines and Air Canada, respectively.

  • What are the most popular routes from State of Washington to Ottawa?

    Most travelers choose Seattle/Tacoma Intl - Ottawa, Portland - Ottawa or Bellingham - Ottawa when deciding on the best route from State of Washington to Ottawa.

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

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

  • How can I find direct flights from Washington to Ottawa?

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

  • Can I find deals for business class flights from Washington to Ottawa?

    Yes. Cheapflights offers flight deals from Washington 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.

  • What is the cheapest month to book a flight from State of Washington to Ottawa?

    Currently, May is the cheapest month in which you can book a flight from State of Washington to Ottawa (average of $205). Flying from State of Washington to Ottawa in December is currently the most expensive (average of $301). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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Alternative routes for Washington to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington to Ottawa

Discover the top 3 airlines that operate flights from Washington 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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$256Average$540FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$282Average$859FlexibilityNo cancel feeOn-time69%
WestJetCheapest$294Average$403FlexibilityNo cancel feeOn-time60%

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