Cheap flights from Ottawa to Seattle

YOW — SEA
4 Dec — 11 Dec1
Return
1 adult
Economy
From?
To?
Sun 4/12
Sun 11/12

The best prices from Ottawa to Seattle/Tacoma Intl are usually found in April or November, booked 34 days in advance, depart on a Wednesday or Thursday and return on a Monday

How to find the cheapest flight from Ottawa (YOW) to Seattle (SEA)

All the information you need to plan the best YOW to SEA flight in 2022: compare Ottawa to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

YOW - SEA

Price

C$ 401 - C$ 758

SEA

Temperature

5 - 19 °C

SEA

Rainfall

18 - 168 mm

Popular inDecemberHigh demand for flights, 33% potential price rise
Cheapest inAprilBest time to find cheap flights, 21% potential price drop
Average priceC$ 576Average for round-trip flights in November 2022
Round-trip fromC$ 539From Ottawa to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Ottawa to Seattle?

Travellers have found that booking a Tuesday departure is the best way to save up to 20% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Users have found that booking a flight from Ottawa to Seattle at least 34 days early can save you up to 51% on average compared to booking a flight this week. If booking 34 days before your flight isn’t an option for you, users have found flights from Ottawa to Seattle for as little as C$ 781 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 1,091 for flights departing within the next 3 days.

What is the cheapest month to fly from Ottawa to Seattle?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Seattle. Flights to Seattle from Ottawa in April are about C$ 681 on average during April, but can be found for as low as C$ 416.

When is the cheapest time to fly from Ottawa to Seattle (YOW - SEA)?

It’s typically best to fly out from Ottawa to Seattle in the evening. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Ottawa to Seattle in November, December 2022

The best prices found for YOW to SEA flights for November, December
29 Dec. - 3 Jan.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

19h 54m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

22h 46m
C$ 956

United Airlines

Deal found 28/11

29 Dec. - 3 Jan.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

9h 12m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

6h 46m
C$ 994

Air Canada

Deal found 28/11

30 Nov. - 9 Dec.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

9h 12m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 00m
C$ 1,018

Air Canada

Deal found 28/11

Ottawa to Seattle 2022 flight deals

Cheap flights to Seattle from Ottawa found for this year
29 Dec. - 3 Jan.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

19h 54m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

22h 46m
C$ 956

United Airlines

Deal found 28/11

29 Dec. - 3 Jan.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

9h 12m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

6h 46m
C$ 994

Air Canada

Deal found 28/11

28 Nov. - 18 Dec.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

19h 46m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

11h 41m
C$ 1,017

United Airlines

Deal found 26/11

Cheap WestJet flights from Ottawa to Seattle

11 May - 21 May
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

9h 54m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 32m
C$ 521

WestJet

Deal found 27/11

11 May - 21 May
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

19h 59m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 32m
C$ 562

WestJet

Deal found 27/11

12 May - 21 May
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

8h 24m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 32m
C$ 609

WestJet

Deal found 29/11

Cheap Delta flights from Ottawa to Seattle

11 May - 20 May
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

14h 55m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 38m
C$ 913

Delta

Deal found 27/11

12 May - 20 May
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

14h 03m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 38m
C$ 937

Delta

Deal found 29/11

11 May - 20 May
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

14h 03m
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 38m
C$ 943

Delta

Deal found 28/11

One-way flights to Seattle from Ottawa

The cheapest one-way flights from Ottawa to Seattle
19 Jan.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

20h 47m
C$ 239

Multiple Airlines

Deal found 27/11

19 Jan.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

20h 12m
C$ 253

Multiple Airlines

Deal found 27/11

20 Jan.
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

20h 55m
C$ 261

Multiple Airlines

Deal found 27/11

Related info for your journey

Useful info, stats and facts about Ottawa to Seattle flights.

Which airlines flying from Ottawa to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Air Canada, WestJet, and American Airlines flying from Ottawa to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Can I find flights from Ottawa to Seattle for under C$ 600 on Cheapflights?

Yes, there are multiple flights from Ottawa to Seattle for under C$ 600. The cheapest flight booked recently is on WestJet for just C$ 521, but on average you can expect to pay C$ 833.

How popular is this Ottawa to Seattle flight route?

Within the past month, 262 users have taken a look at flights from Ottawa to Seattle/Tacoma Intl.

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

According to our current data, WestJet (C$ 521), Delta (C$ 913), and United Airlines (C$ 956) offers the cheapest pricing from Ottawa to Seattle. You may be able to fly from Ottawa to Seattle for 23% less than the average price by searching for these airlines.

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

C$ 295 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from C$ 363 and C$ 554, respectively.

What are the most popular airlines that fly from Ottawa to Seattle?

The most popular airlines flying from Ottawa to Seattle are American Airlines, Air Canada and Juneyao Airlines. Something to consider prior to booking your flight.

What are the cheapest flights from Ottawa to Seattle?

While on average a flight from Ottawa to Seattle is generally C$ 1,481, our data shows the cheapest flight currently is C$ 295. When looking at the most popular route, (Ottawa - Seattle/Tacoma Intl), you can expect to pay C$ 526 for that flight.

Alternative routes for Ottawa to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
London to Seattlefrom C$ 749 pp
Sudbury to Seattlefrom C$ 921 pp
Windsor to Seattlefrom C$ 1,027 pp

Top 4 airlines flying from Ottawa to Seattle

The chart below displays the airlines Cheapflights users travelling from Ottawa to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapestC$ 220AverageC$ 540FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Air CanadaCheapestC$ 434AverageC$ 662FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
WestJetCheapestC$ 461AverageC$ 657FlexibilityNo cancel feeOn-time60%COVID-19 safety
Search WestJet flights
United AirlinesCheapestC$ 513AverageC$ 855FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights