What is the cheapest airline that flies from Seattle/Tacoma Intl to Ottawa?

WestJet is the most popular carrier operating from Seattle/Tacoma Intl to Ottawa

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ottawa Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Ottawa Airport refresh daily.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ottawa Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 305 Cheap Flights from Seattle to Ottawa in 2026

Q: What is the typical price of a round-trip flight between Seattle and Ottawa?

Prices are currently low for flights on this route. Typical prices usually range from C$ 781 to C$ 1,228. The lowest price recently found on this route was C$ 619.

Find the cheapest flights from Seattle to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:35 p.m. - 5:35 a.m.

SEA

YOW

7h 00m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 619WestJet

Fri, 10 Jul - Fri, 17 Jul

7:35 p.m. - 5:35 a.m.

SEA

YOW

7h 00m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 621WestJet

Thu, 9 Jul - Thu, 16 Jul

7:35 p.m. - 5:35 a.m.

SEA

YOW

7h 00m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 631WestJet

Mon, 10 Aug - Mon, 17 Aug

7:35 p.m. - 5:35 a.m.

SEA

YOW

7h 00m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 646WestJet

Mon, 13 Jul - Thu, 27 Aug

7:00 a.m. - 5:15 p.m.

SEA

YOW

7h 15m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 649WestJet

Sat, 8 Aug - Sat, 15 Aug

10:30 a.m. - 12:30 p.m.

SEA

YOW

23h 00m

2 stops

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 655WestJet

Fri, 10 Jul - Fri, 17 Jul

7:00 a.m. - 5:15 p.m.

SEA

YOW

7h 15m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 656WestJet

Tue, 14 Jul - Thu, 27 Aug

7:35 p.m. - 5:35 a.m.

SEA

YOW

7h 00m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 663WestJet

Sun, 9 Aug - Sat, 15 Aug

10:30 a.m. - 12:30 p.m.

SEA

YOW

23h 00m

2 stops

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 666WestJet

Fri, 10 Jul - Fri, 17 Jul

7:35 p.m. - 5:15 p.m.

SEA

YOW

18h 40m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 672WestJet

Thu, 3 Sep - Mon, 7 Sep

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WestJet flights from Seattle to Ottawa

Our best WestJet deals on Seattle to Ottawa flight tickets

WestJet

10 Jul

SEA7:35 p.m.Seattle/Tacoma Intl

7h 00m

1 stop

YOW5:35 a.m.Ottawa

17 Jul

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 619

WestJet

9 Jul

SEA7:35 p.m.Seattle/Tacoma Intl

7h 00m

1 stop

YOW5:35 a.m.Ottawa

16 Jul

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 621

WestJet

10 Aug

SEA7:35 p.m.Seattle/Tacoma Intl

7h 00m

1 stop

YOW5:35 a.m.Ottawa

17 Aug

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 631

Delta flights from Seattle to Ottawa

Our best Delta deals on Seattle to Ottawa flight tickets

Delta

28 Jun

SEA7:00 a.m.Seattle/Tacoma Intl

7h 15m

1 stop

YOW5:15 p.m.Ottawa

8 Jul

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 1,909

Delta

29 Jun

SEA10:30 a.m.Seattle/Tacoma Intl

11h 10m

1 stop

YOW12:40 a.m.Ottawa

8 Jul

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 1,951

Delta

29 Jun

SEA11:59 p.m.Seattle/Tacoma Intl

14h 36m

2 stops

YOW5:35 p.m.Ottawa

8 Jul

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 1,968

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 10/7

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Fri 17/7

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 619

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 9/7

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Thu 16/7

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 621

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 10/8

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Mon 17/8

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 631

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 13/7

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Thu 27/8

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 646

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 8/8

7:00 a.m.-5:15 p.m.

1 stop7h 15m

Ottawa

Sat 15/8

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 649

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 10/7

10:30 a.m.-12:30 p.m.

2 stops23h 00m

Ottawa

Fri 17/7

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 655

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 14/7

7:00 a.m.-5:15 p.m.

1 stop7h 15m

Ottawa

Thu 27/8

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 656

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 9/8

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Sat 15/8

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 663

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 10/7

10:30 a.m.-12:30 p.m.

2 stops23h 00m

Ottawa

Fri 17/7

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 666

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 3/9

7:35 p.m.-5:15 p.m.

1 stop18h 40m

Ottawa

Mon 7/9

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 672

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Seattle and Ottawa?

What is the cheapest month to fly to Ottawa?

The month of March is, on average, the cheapest month to fly to Ottawa from Seattle, with most prices found around C$ 0. If you aren’t able to travel to Ottawa during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 502.

How have Seattle to Ottawa flight prices changed over time?

When to book flights from Seattle to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Ottawa according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Ottawa (SEA to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Ottawa

Fastest flight time	7h 00m
Direct flights	None

The fastest flight from Seattle to Ottawa takes 7h 00m

There are no direct flights from Seattle to Ottawa. There are no popular flight routes from Seattle to Ottawa.

Search flight deals

Frequently asked questions about flying from Seattle to Ottawa

How far is Seattle/Tacoma Intl to Ottawa by plane?
There are 3521.0 km between Seattle/Tacoma Intl and Ottawa. Typically, this will take 7h 00m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ottawa Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Ottawa Airport refresh daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ottawa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Perth

Pembroke

Smiths Falls

Prescott

Wakefield

Petawawa

Calabogie

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Ottawa?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Ottawa . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Ottawa with flexible booking policies on momondo?

All flight searches from Seattle to Ottawa on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Ottawa?

momondo helps you find the best flight between Seattle and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Ottawa right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ottawa from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.