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$125+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YOW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$299
(Air Canada)

One-way from

$125
(Expedia)

Popular in

February

Cheapest in

September

Average price

$486
From Washington to Ottawa
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One-way flight from Washington to Ottawa
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Highest demand for flights based on searches. 9% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/10. 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.
Sat 7/127:40 pmPDX - YOW
1 stop9h 39mAir Canada
Tue 7/226:00 pmYOW - PDX
1 stop8h 01mAir Canada
Deal found 6/10$299
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:45 pmPDX - YOW
2 stops12h 40mWestJet
Sun 8/175:15 pmYOW - PDX
2 stops22h 50mWestJet
Deal found 6/9$307
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/111:50 pmSEA - YOW
2 stops12h 33mWestJet
Mon 9/153:35 pmYOW - SEA
1 stop7h 54mWestJet
Deal found 6/12$318
This Flightnetwork deal was found by Cheapflights users on 6/12. 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.
Sun 7/277:35 pmSEA - YOW
1 stop8h 10mMultiple Airlines
Sun 8/35:15 amYOW - SEA
1 stop8h 45mMultiple Airlines
Deal found 6/12$357
This Flightnetwork deal was found by Cheapflights users on 6/12. 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.
Sun 7/275:30 amSEA - YOW
2 stops11h 26mAir Canada
Sun 8/35:15 amYOW - SEA
1 stop8h 45mAir Canada
Deal found 6/12$363
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/2611:20 pmPDX - YOW
1 stop7h 38mUnited Airlines
Sat 8/210:25 amYOW - PDX
2 stops11h 54mUnited Airlines
Deal found 6/11$399
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/176:00 amBLI - YOW
3 stops20h 25mMultiple Airlines
Tue 7/225:05 pmYOW - BLI
2 stops27h 58mMultiple Airlines
Deal found 6/10$413
This United deal was found by Cheapflights users on 6/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1811:59 pmPDX - YOW
2 stops14h 06mMultiple Airlines
Sat 7/268:45 pmYOW - PDX
2 stops15h 45mMultiple Airlines
Deal found 6/11$423
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/212:20 amSEA - YOW
1 stop13h 46mUnited Airlines
Fri 7/1110:37 amYOW - SEA
1 stop11h 21mUnited Airlines
Deal found 6/11$531

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 June 12, 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

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 7/12

7:40 pm-8:19 am

1 stop9h 39m

Ottawa

Tue 7/22

6:00 pm-11:01 pm

1 stop8h 01m

$299

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 8/13

1:45 pm-5:25 am

2 stops12h 40m

Ottawa

Sun 8/17

5:15 pm-1:05 pm

2 stops22h 50m

$307

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 9/11

1:50 pm-5:23 am

2 stops12h 33m

Ottawa

Mon 9/15

3:35 pm-8:29 pm

1 stop7h 54m

$318

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 7/27

7:35 pm-6:45 am

1 stop8h 10m

Ottawa

Sun 8/3

5:15 am-11:00 am

1 stop8h 45m

$357

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 7/27

5:30 am-7:56 pm

2 stops11h 26m

Ottawa

Sun 8/3

5:15 am-11:00 am

1 stop8h 45m

$363

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 7/26

11:20 pm-9:58 am

1 stop7h 38m

Ottawa

Sat 8/2

10:25 am-7:19 pm

2 stops11h 54m

$399

BellinghamOttawa

BLI - YOW

BLIYOW

Bellingham

Thu 7/17

6:00 am-5:25 am

3 stops20h 25m

Ottawa

Tue 7/22

5:05 pm-6:03 pm

2 stops27h 58m

$413

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 7/18

11:59 pm-5:05 pm

2 stops14h 06m

Ottawa

Sat 7/26

8:45 pm-9:30 am

2 stops15h 45m

$423

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 7/2

12:20 am-5:06 pm

1 stop13h 46m

Ottawa

Fri 7/11

10:37 am-6:58 pm

1 stop11h 21m

$531

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 8/5

1:45 pm-12:41 am

1 stop7h 56m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
1
2

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, January is the cheapest month in which you can book a flight from State of Washington to Ottawa (average of $294). Flying from State of Washington to Ottawa in September is currently the most expensive (average of $428). 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Ottawa as you normally would.

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 June 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and WestJet from Washington to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $125. Users have also found prices from $130 and $187 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, January is the cheapest month in which you can book a flight from State of Washington to Ottawa (average of $294). Flying from State of Washington to Ottawa in September is currently the most expensive (average of $428). 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 Washington?

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

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Alternative routes for Washington to Ottawa

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$244Average$509FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$282Average$855FlexibilityNo cancel feeOn-time69%
WestJetCheapest$297Average$405FlexibilityNo cancel feeOn-time60%

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