Cheap flights from Seattle (SEA) to Ottawa (YOW)

SEA — YOW
Oct 4 — Oct 111

The best prices from Seattle/Tacoma Intl to Ottawa are usually found in January or May, booked 41 days in advance, depart on a Monday or Wednesday and return on a Tuesday

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

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

SEA - YOW

Price

$312 - $857

YOW

Temperature

14 - 69.8 °F

YOW

Rainfall

2 - 3.7 inches

Popular inAugustHigh demand for flights, 34% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 45% potential price drop
Round-trip from$312From Seattle/Tacoma Intl to Ottawa
One-way from$273One-way flight from Seattle/Tacoma Intl to Ottawa

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

Flights from Seattle to Ottawa are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ottawa.

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

Travelers have found it’s best to book a flight 42 days in advance to save up to 45% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 42 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Ottawa 1-2 weeks in advance for as low as $725, or $878 for flights within the next 24 hours.

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

Our data shows that January tends to be the cheapest month to fly to Ottawa from Seattle. Users have commonly found prices around $570 for the month, but tickets can be as low as $283. Due to multiple factors, prepare for potentially higher prices in August.

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

When flying from Seattle to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 40% versus a flight in the morning.

Cheap flights from Seattle to Ottawa in September, October 2022

The best prices found for SEA to YOW flights for September, October
Oct 24 - Oct 28
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 50m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

13h 53m
$434

Air Canada

Pick Dates

Deal found 9/29/22

Oct 18 - Oct 25
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 50m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

13h 53m
$435

Air Canada

Pick Dates

Deal found 9/27/22

Oct 18 - Oct 25
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 50m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

10h 16m
$436

Air Canada

Pick Dates

Deal found 9/27/22

Seattle to Ottawa 2022 flight deals

Cheap flights to Ottawa from Seattle found for this year
Nov 22 - Nov 30
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 00m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

8h 18m
$434

Air Canada

Pick Dates

Deal found 9/28/22

Oct 18 - Oct 25
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 50m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

13h 53m
$435

Air Canada

Pick Dates

Deal found 9/27/22

Oct 18 - Oct 25
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 50m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

10h 16m
$436

Air Canada

Pick Dates

Deal found 9/27/22

Cheap Air Canada flights from Seattle to Ottawa

Nov 22 - Nov 30
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 00m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

8h 18m
$434

Air Canada

Pick Dates

Deal found 9/28/22

Oct 18 - Oct 25
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 50m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

13h 53m
$435

Air Canada

Pick Dates

Deal found 9/27/22

Oct 18 - Oct 25
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

7h 50m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

10h 16m
$436

Air Canada

Pick Dates

Deal found 9/27/22

Cheap United Airlines flights from Seattle to Ottawa

Oct 8 - Oct 16
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

11h 52m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

11h 47m
$866

United Airlines

Pick Dates

Deal found 9/27/22

Oct 7 - Oct 16
SEA

Seattle/Tacoma Intl

YOW

Ottawa

1 stop

11h 52m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

11h 47m
$898

United Airlines

Pick Dates

Deal found 9/29/22

Oct 8 - Oct 16
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

11h 52m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

11h 47m
$902

United Airlines

Pick Dates

Deal found 9/29/22

Last minute flights from Seattle to Ottawa

Late deals on return flights to Ottawa from Seattle, departing today and this week
Oct 9 - Oct 17
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 00m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

9h 43m
$670

Air Canada

Pick Dates

Deal found 9/29/22

Oct 9 - Oct 15
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 00m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

2 stops

10h 23m
$680

Air Canada

Pick Dates

Deal found 9/29/22

Oct 8 - Oct 17
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

12h 00m
YOW

Ottawa

SEA

Seattle/Tacoma Intl

1 stop

7h 43m
$683

Air Canada

Pick Dates

Deal found 9/29/22

One-way flights to Ottawa from Seattle

The cheapest one-way flights from Seattle to Ottawa
Dec 10
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

16h 05m
$121

Multiple Airlines

Pick Dates

Deal found 9/26/22

Nov 5
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

41h 55m
$150

Multiple Airlines

Pick Dates

Deal found 9/28/22

Nov 6
SEA

Seattle/Tacoma Intl

YOW

Ottawa

2 stops

16h 46m
$153

Multiple Airlines

Pick Dates

Deal found 9/28/22

Related info for your journey

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

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

Some of the carriers operating flights from Seattle/Tacoma Intl to Ottawa that may be offering flexible cancellation policies are Air Canada, American Airlines, and WestJet. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Seattle to Ottawa for under $500 on Cheapflights?

Yes, there are multiple flights from Seattle to Ottawa for under $500. The cheapest flight booked recently is on Air Canada for just $434, but on average you can expect to pay $455.

Are there last-minute flights available from Seattle to Ottawa for under $700?

There are currently 20+ open flights from Seattle to Ottawa within the next 7 days for less than $700.

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

According to our current data, Air Canada ($434), and WestJet ($475) offers the cheapest pricing from Seattle to Ottawa. Users have found that Air Canada is 23% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from Seattle to Ottawa are WestJet ($211), Air Canada ($220), and Delta ($249).

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

Consider American Airlines, Air Canada or Juneyao Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to Ottawa.

What are the cheapest flights from Seattle to Ottawa?

Looking at all options, your cheapest flight can be booked for $203. While the most popular route (Seattle/Tacoma Intl - Ottawa) can be booked for $426 on average our data indicates $914 when flying from Seattle to Ottawa.

Alternative routes for Seattle to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Sudburyfrom $906 pp
Seattle to Londonfrom $1,015 pp
Bellingham to Ottawafrom $1,123 pp

Top 4 airlines flying from Seattle to Ottawa

The chart below displays the airlines Cheapflights users traveling from Seattle to Ottawa choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$140Average$297FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Air CanadaCheapest$215Average$652FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
United AirlinesCheapest$230Average$834FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
WestJetCheapest$309Average$510FlexibilityNo cancel feeOn-time60%COVID-19 safety
Search WestJet flights