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$116+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YOW
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Trip.com)

One-way from

$116
(Mytrip)

Popular in

January

Cheapest in

September

Average price

$494
Provider with most accurate pricing for Seattle/Tacoma Intl-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ottawa flights.
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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. 14% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/297:05 amSEA - YOW
1 stop8h 16mWestJet
Tue 6/36:00 amYOW - SEA
1 stop9h 58mWestJet
Deal found 3/30$269
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/297:05 amSEA - YOW
1 stop8h 16mMultiple Airlines
Tue 6/33:35 pmYOW - SEA
2 stops25h 50mMultiple Airlines
Deal found 3/30$293
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/151:45 pmPDX - YOW
1 stop7h 56mWestJet
Sun 5/186:00 amYOW - PDX
1 stop9h 52mWestJet
Deal found 3/30$334
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/159:30 pmPDX - YOW
2 stops24h 11mMultiple Airlines
Thu 5/227:50 amYOW - PDX
1 stop8h 02mMultiple Airlines
Deal found 3/31$375
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/235:35 amSEA - YOW
1 stop7h 44mAir Canada
Mon 5/266:00 pmYOW - SEA
1 stop7h 13mAir Canada
Deal found 3/30$416
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:00 amBLI - YOW
2 stops33h 20mMultiple Airlines
Tue 4/152:50 pmYOW - BLI
2 stops31h 02mMultiple Airlines
Deal found 3/30$458
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/137:17 pmSEA - YOW
2 stops20h 35mUnited Airlines
Tue 4/156:33 amYOW - SEA
1 stop15h 28mUnited Airlines
Deal found 3/30$461
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/183:25 pmPDX - YOW
2 stops15h 51mAir Canada
Mon 4/216:00 amYOW - PDX
2 stops19h 36mAir Canada
Deal found 3/30$804
This United Airlines deal was found by Cheapflights users on 3/31. 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 6/126:43 pmPDX - YOW
2 stops12h 15mUnited Airlines
Tue 7/16:30 amYOW - PDX
3 stops17h 56mUnited Airlines
Deal found 3/31$904

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 March 31, 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

Thu 5/29

7:05 am-6:21 pm

1 stop8h 16m

Ottawa

Tue 6/3

6:00 am-12:58 pm

1 stop9h 58m

$269

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 5/29

7:05 am-6:21 pm

1 stop8h 16m

Ottawa

Tue 6/3

3:35 pm-2:25 pm

2 stops25h 50m

$293

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 5/15

1:45 pm-12:41 am

1 stop7h 56m

Ottawa

Sun 5/18

6:00 am-12:52 pm

1 stop9h 52m

$334

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 5/15

9:30 pm-12:41 am

2 stops24h 11m

Ottawa

Thu 5/22

7:50 am-12:52 pm

1 stop8h 02m

$375

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 5/23

5:35 am-4:19 pm

1 stop7h 44m

Ottawa

Tue 5/27

2:35 pm-7:37 pm

1 stop8h 02m

$416

BellinghamOttawa

BLI - YOW

BLIYOW

Bellingham

Sun 4/13

6:00 am-6:20 pm

2 stops33h 20m

Ottawa

Tue 4/15

2:50 pm-6:52 pm

2 stops31h 02m

$458

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 4/13

7:17 pm-6:52 pm

2 stops20h 35m

Ottawa

Tue 4/15

6:33 am-7:01 pm

1 stop15h 28m

$461

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 4/18

3:25 pm-10:16 am

2 stops15h 51m

Ottawa

Mon 4/21

6:00 am-10:36 pm

2 stops19h 36m

$804

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 6/12

6:43 pm-9:58 am

2 stops12h 15m

Ottawa

Tue 7/1

6:30 am-9:26 pm

3 stops17h 56m

$904

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 5/8

1:50 pm-5:25 am

2 stops12h 35m

$116

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 19 results
1
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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, 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 May 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 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 March 31, 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 March 31, 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
7,899 reviews

Overall

8.0

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,789 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,004 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $116. Users have also found prices from $200 and $201 on United Airlines and Delta, 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 May 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

Traveling to a place near Washington?

Book flights to Washington if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$256Average$525FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$282Average$855FlexibilityNo cancel feeOn-time69%
WestJetCheapest$305Average$487FlexibilityNo cancel feeOn-time60%
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