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Cheap flights from Washington to Ottawa from C$ 220

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YOW
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

C$ 375

One-way from

C$ 220

Popular in

January

Cheapest in

September

Average price

C$ 878
11/3-17/3
  • 11/3-17/3
  • 2 total stops
  • 46h 33m total
  • Washington to Ottawa
Search Deals
2/3
  • 2/3
  • 1 total stop
  • 26h 07m total
  • Washington to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 21 February 2025.

Tue 11/311:48 a.m.SEA - YOW
1 stop25h 57mMultiple Airlines
Mon 17/36:10 p.m.YOW - SEA
1 stop20h 36mMultiple Airlines
Deal found 19/2C$ 375
Sun 6/49:27 p.m.PDX - YOW
2 stops31h 53mMultiple Airlines
Sun 13/46:10 p.m.YOW - PDX
1 stop17h 12mMultiple Airlines
Deal found 20/2C$ 480
Wed 28/51:50 p.m.SEA - YOW
1 stop7h 51mWestJet
Sun 8/67:50 a.m.YOW - SEA
1 stop8h 08mWestJet
Deal found 20/2C$ 584
Sun 6/45:45 a.m.SEA - YOW
1 stop7h 19mAir Canada
Sun 13/42:10 p.m.YOW - SEA
1 stop10h 16mAir Canada
Deal found 20/2C$ 763
Thu 12/62:00 p.m.PDX - YOW
1 stop7h 41mWestJet
Mon 16/67:50 a.m.YOW - PDX
1 stop8h 02mWestJet
Deal found 19/2C$ 801
Thu 3/45:15 a.m.SEA - YOW
2 stops13h 19mUnited Airlines
Sun 6/42:10 p.m.YOW - SEA
1 stop10h 16mUnited Airlines
Deal found 20/2C$ 815
Fri 28/36:00 a.m.PDX - YOW
1 stop7h 00mAir Canada
Sat 12/46:00 p.m.YOW - PDX
1 stop27h 25mAir Canada
Deal found 19/2C$ 913
Wed 10/912:40 a.m.PDX - YOW
2 stops14h 40mDelta
Sun 14/97:50 a.m.YOW - PDX
1 stop7h 58mDelta
Deal found 19/2C$ 2,258

Find flights from Washington to Ottawa within your budget

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 629,999 searches. Data last updated 21 February 2025.

Fly from

Washington

Fly to

Ottawa

Route

Depart

Return

Price

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 11/3

11:48 a.m.-4:45 p.m.

1 stop25h 57m

Ottawa

Mon 17/3

6:10 p.m.-11:46 a.m.

1 stop20h 36m

C$ 375

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 6/4

9:27 p.m.-8:20 a.m.

2 stops31h 53m

Ottawa

Sun 13/4

6:10 p.m.-8:22 a.m.

1 stop17h 12m

C$ 480

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 28/5

1:50 p.m.-12:41 a.m.

1 stop7h 51m

Ottawa

Sun 8/6

7:50 a.m.-12:58 p.m.

1 stop8h 08m

C$ 584

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 6/4

5:45 a.m.-4:04 p.m.

1 stop7h 19m

Ottawa

Sun 13/4

2:10 p.m.-9:26 p.m.

1 stop10h 16m

C$ 763

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 12/6

2:00 p.m.-12:41 a.m.

1 stop7h 41m

Ottawa

Mon 16/6

7:50 a.m.-12:52 p.m.

1 stop8h 02m

C$ 801

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 3/4

5:15 a.m.-9:34 p.m.

2 stops13h 19m

Ottawa

Sun 6/4

2:10 p.m.-9:26 p.m.

1 stop10h 16m

C$ 815

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 28/3

6:00 a.m.-4:00 p.m.

1 stop7h 00m

Ottawa

Sat 12/4

6:00 p.m.-6:25 p.m.

1 stop27h 25m

C$ 913

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 2/3

11:38 a.m.-4:45 p.m.

1 stop26h 07m

C$ 220

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 4/4

9:27 p.m.-12:09 a.m.

2 stops47h 42m

C$ 229

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 5/6

3:39 p.m.-2:46 p.m.

3 stops20h 07m

C$ 253

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 15 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.

Travel insights for flights from Washington to Ottawa

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

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

Currently, October is the cheapest month in which you can book a flight from State of Washington to Ottawa (average of C$ 224). Flying from State of Washington to Ottawa in March is currently the most expensive (average of C$ 329). 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 21 February 2025.

When flying from State of Washington to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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 21 February 2025.
Peruse reviews from past customers who have flown with United Airlines, WestJet and Air Canada from Washington to Ottawa to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,766 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,766 reviews
United Airlines
7.4
Good
8,766 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

WestJet
7.2
Good
2,801 reviews
United Airlines
7.4
Good
8,766 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,748 reviews
United Airlines
7.4
Good
8,766 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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?

    Ottawa (YOW) is the airport you will fly into if you book a flight from Washington to Ottawa. It is only a 10.6 km journey from Ottawa (YOW) to Ottawa’s city centre.

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

    C$ 253 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 301 and C$ 425, respectively.

  • 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, October is the cheapest month in which you can book a flight from State of Washington to Ottawa (average of C$ 224). Flying from State of Washington to Ottawa in March is currently the most expensive (average of C$ 329). 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

Travelling to a place near Washington?

Book flights to Washington if you plan to visit one of these locations
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

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Alternative routes for Washington to Ottawa

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Yes, Cheapflights offers price alerts on Washington to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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