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Cheap flights from Seattle to Ottawa from C$ 197

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YOW
3 Feb — 10 Feb1
1 adult

Cheap flight deals from Seattle to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 29 January 2025.

Round-trip from

C$ 413

One-way from

C$ 197

Popular in

May

Cheapest in

March

Average price

C$ 800
11/3-24/3
  • 11/3-24/3
  • 2 total stops
  • 44h 17m total
  • Seattle to Ottawa
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5/3
  • 5/3
  • 1 total stop
  • 19h 32m total
  • Seattle to Ottawa
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Seattle to Ottawa

Cheapest flights from Seattle to Ottawa
Explore the most affordable flight options available from Seattle to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2025.

Tue 11/311:48 a.m.SEA - YOW
1 stop25h 57mMultiple Airlines
Mon 24/36:10 p.m.YOW - SEA
1 stop18h 20mMultiple Airlines
Deal found 29/1C$ 413
Thu 13/33:15 p.m.SEA - YOW
2 stops26h 32mWestJet
Tue 18/36:15 a.m.YOW - SEA
1 stop11h 06mWestJet
Deal found 29/1C$ 597
Sat 15/25:45 a.m.SEA - YOW
1 stop7h 15mAir Canada
Sun 16/22:10 p.m.YOW - SEA
1 stop10h 20mAir Canada
Deal found 29/1C$ 631
Mon 10/311:59 p.m.SEA - YOW
2 stops10h 24mUnited Airlines
Wed 19/311:25 a.m.YOW - SEA
2 stops14h 36mUnited Airlines
Deal found 29/1C$ 646
Thu 13/36:00 a.m.SEA - YOW
2 stops15h 09mDelta
Tue 18/35:55 a.m.YOW - SEA
2 stops11h 25mDelta
Deal found 29/1C$ 813

Find flights from Seattle to Ottawa within your budget

Customize your flight search to find flights from Seattle 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 29 January 2025.

Fly from

Any airport

Fly to

Any airport

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 24/3

6:10 p.m.-9:30 a.m.

1 stop18h 20m

C$ 413

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 13/3

3:15 p.m.-8:47 p.m.

2 stops26h 32m

Ottawa

Tue 18/3

6:15 a.m.-2:21 p.m.

1 stop11h 06m

C$ 597

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 15/2

5:45 a.m.-4:00 p.m.

1 stop7h 15m

Ottawa

Sun 16/2

2:10 p.m.-9:30 p.m.

1 stop10h 20m

C$ 631

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 10/3

11:59 p.m.-1:23 p.m.

2 stops10h 24m

Ottawa

Mon 24/3

5:00 p.m.-10:39 p.m.

1 stop8h 39m

C$ 646

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 13/3

6:00 a.m.-12:09 a.m.

2 stops15h 09m

Ottawa

Wed 19/3

5:55 a.m.-6:59 p.m.

2 stops16h 04m

C$ 813

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 5/3

3:15 p.m.-1:47 p.m.

1 stop19h 32m

C$ 197

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 5/7

7:35 p.m.-6:45 a.m.

1 stop8h 10m

C$ 312

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 5/7

7:32 p.m.-1:10 p.m.

3 stops14h 38m

C$ 585

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 3/2

5:45 a.m.-4:00 p.m.

1 stop7h 15m

C$ 672

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 4/7

12:40 a.m.-6:21 p.m.

2 stops14h 41m

C$ 2,116

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

Best time to book a flight from Seattle to Ottawa

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

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

How far ahead should I book a flight from Seattle to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Ottawa. Price data was last updated on 24 January 2025.

The best time to book flights from Seattle to Ottawa is 33 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.

What is the cheapest month to book a flight from Seattle to Ottawa?

Currently, October is the cheapest month in which you can book a flight from Seattle to Ottawa (average of C$ 224). Flying from Seattle to Ottawa in March is currently the most expensive (average of C$ 359). 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 SEA to YOW?

Find hourly flight availability from Seattle 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 29 January 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle 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 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 29 January 2025.
Delta
8.0
Very good
8,456 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
8,456 reviews
Delta
8.0
Very good
8,456 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
8,916 reviews
Delta
8.0
Very good
8,456 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
2,819 reviews
Delta
8.0
Very good
8,456 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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
8,638 reviews
Delta
8.0
Very good
8,456 reviews
Check prices

Comfort

8.0

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

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 Seattle to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Ottawa round-trip?

    Our cheapest airline available from Seattle to Ottawa is WestJet. Our recent data shows that you can find tickets from as low as C$ 597 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at C$ 631 and C$ 646 round-trip. WestJet is 22% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Ottawa one-way?

    C$ 312 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 585 and C$ 672, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Ottawa (average of C$ 224). Flying from Seattle to Ottawa in March is currently the most expensive (average of C$ 359). 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 Seattle?

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

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Can Cheapflights find flights from Seattle to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Ottawa become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ottawa from Seattle today and book when prices fit your budget.

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