What is the cheapest airline that flies from Washington to Ottawa?

WestJet and United Airlines are the most popular carriers operating from Washington to Ottawa

How long does it take to fly to Ottawa?

Flight times from State of Washington to Ottawa vary, but if you’re flying out of Seattle and flying into Montreal Pierre Elliott Trudeau Intl Airport (one of the most popular routes), then the duration is 6h 40m on average. Another popular route from State of Washington to Ottawa is flying from Pasco to Montreal Pierre Elliott Trudeau Intl Airport, which will take roughly 9h. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Washington to Ottawa Airport?

Prices for flights from Washington to Ottawa Airport refresh daily.

How old do you have to be to fly from Washington to Ottawa Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Ottawa Airport.

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

The travel and health documents you'll need for your trip to Ottawa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 292 Cheap Flights from Washington to Ottawa in 2026/27

Find the cheapest flights from Washington to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:30 p.m. - 2:30 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

21h 00m1 stop Calgary

6:10 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

C$ 562WestJet

Sun, 31 Jan - Tue, 2 Feb

2:30 p.m. - 2:30 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

21h 00m1 stop Calgary

6:10 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

C$ 566WestJet

Wed, 27 Jan - Sun, 31 Jan

2:30 p.m. - 2:30 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

21h 00m1 stop Calgary

5:30 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

35h 10m2 stops Toronto Pearson Intl Calgary

C$ 613WestJet

Sun, 31 Jan - Tue, 2 Feb

2:20 p.m. - 2:30 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

21h 10m1 stop Calgary

6:10 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

C$ 640WestJet

Sat, 12 Dec - Sun, 10 Jan

2:30 p.m. - 11:40 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

30h 10m2 stops Calgary Toronto Pearson Intl

6:10 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

C$ 641WestJet

Wed, 27 Jan - Sun, 31 Jan

2:30 p.m. - 2:30 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

21h 00m1 stop Calgary

6:10 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

C$ 651WestJet

Wed, 27 Jan - Sun, 31 Jan

2:20 p.m. - 2:30 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

21h 10m1 stop Calgary

6:10 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

C$ 655WestJet

Sat, 12 Dec - Sun, 10 Jan

2:20 p.m. - 2:30 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

21h 10m1 stop Calgary

6:10 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

C$ 687WestJet

Sat, 23 Jan - Wed, 27 Jan

3:44 p.m. - 11:33 a.m.SEA Seattle/Tacoma Intl-YOW Ottawa

16h 49m2 stops Newark Toronto Island

6:10 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

C$ 694Multiple Airlines

Thu, 10 Dec - Sun, 10 Jan

2:30 p.m. - 11:40 p.m.SEA Seattle/Tacoma Intl-YOW Ottawa

30h 10m2 stops Calgary Toronto Pearson Intl

5:30 a.m. - 1:40 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

35h 10m2 stops Toronto Pearson Intl Calgary

C$ 696WestJet

Sun, 31 Jan - Tue, 2 Feb

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WestJet flights from State of Washington to Ottawa

Our best WestJet deals on State of Washington to Ottawa flight tickets

WestJet

31 Jan

SEA2:30 p.m.Seattle/Tacoma Intl

21h 00m

1 stop

YOW2:30 p.m.Ottawa

2 Feb

YOW6:10 a.m.Ottawa

10h 30m

1 stop

SEA1:40 p.m.Seattle/Tacoma Intl

C$ 562

WestJet

27 Jan

SEA2:30 p.m.Seattle/Tacoma Intl

21h 00m

1 stop

YOW2:30 p.m.Ottawa

31 Jan

YOW6:10 a.m.Ottawa

10h 30m

1 stop

SEA1:40 p.m.Seattle/Tacoma Intl

C$ 566

WestJet

31 Jan

SEA2:30 p.m.Seattle/Tacoma Intl

21h 00m

1 stop

YOW2:30 p.m.Ottawa

2 Feb

YOW5:30 a.m.Ottawa

35h 10m

2 stops

SEA1:40 p.m.Seattle/Tacoma Intl

C$ 613

Air Canada flights from State of Washington to Ottawa

Our best Air Canada deals on State of Washington to Ottawa flight tickets

Air Canada

1 Mar

SEA10:10 a.m.Seattle/Tacoma Intl

9h 57m

2 stops

YOW11:07 p.m.Ottawa

3 Mar

YOW5:40 p.m.Ottawa

7h 15m

1 stop

SEA9:55 p.m.Seattle/Tacoma Intl

C$ 785

Air Canada

1 Mar

SEA7:45 a.m.Seattle/Tacoma Intl

8h 40m

1 stop

YOW7:25 p.m.Ottawa

3 Mar

YOW5:40 p.m.Ottawa

7h 15m

1 stop

SEA9:55 p.m.Seattle/Tacoma Intl

C$ 790

Air Canada

23 Jan

SEA8:40 a.m.Seattle/Tacoma Intl

11h 31m

2 stops

YOW11:11 p.m.Ottawa

27 Jan

YOW7:50 a.m.Ottawa

13h 32m

2 stops

SEA6:22 p.m.Seattle/Tacoma Intl

C$ 792

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sun 31/1

2:30 p.m.-2:30 p.m.

1 stop21h 00m

Ottawa

Tue 2/2

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 562

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 27/1

2:30 p.m.-2:30 p.m.

1 stop21h 00m

Ottawa

Sun 31/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 566

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sun 31/1

2:30 p.m.-2:30 p.m.

1 stop21h 00m

Ottawa

Tue 2/2

5:30 a.m.-1:40 p.m.

2 stops35h 10m

C$ 613

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sat 12/12

2:20 p.m.-2:30 p.m.

1 stop21h 10m

Ottawa

Sun 10/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 640

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 27/1

2:30 p.m.-11:40 p.m.

2 stops30h 10m

Ottawa

Sun 31/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 641

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 27/1

2:30 p.m.-2:30 p.m.

1 stop21h 00m

Ottawa

Sun 31/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 651

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sat 12/12

2:20 p.m.-2:30 p.m.

1 stop21h 10m

Ottawa

Sun 10/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 655

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sat 23/1

2:20 p.m.-2:30 p.m.

1 stop21h 10m

Ottawa

Wed 27/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 687

Quickest round-trip

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Thu 10/12

3:44 p.m.-11:33 a.m.

2 stops16h 49m

Ottawa

Sun 10/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 694

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sun 31/1

2:30 p.m.-11:40 p.m.

2 stops30h 10m

Ottawa

Tue 2/2

5:30 a.m.-1:40 p.m.

2 stops35h 10m

C$ 696

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 State of Washington 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

Other information

What is the cheapest month to fly to Ottawa?

The month of March is, on average, the cheapest month to fly to Ottawa from State of Washington, with most prices found around C$ 0. If you aren’t able to travel to Ottawa during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 557.

Cheap State of Washington to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Ottawa

Best price found	C$ 292
Fastest flight time	7h 38m
Direct flights	None

The best one-way flight to Ottawa from State of Washington in the past 72 hours is C$ 292. The best round-trip flight deal from State of Washington to Ottawa found on momondo in the last 72 hours is C$ 562.

The fastest flight from State of Washington to Ottawa takes 7h 38m

There are no direct flights from State of Washington to Ottawa. There are no popular flight routes from State of Washington to Ottawa.

Search flight deals

Frequently asked questions about flying from Washington to Ottawa

When did momondo last update prices for flights from Washington to Ottawa Airport?
Prices for flights from Washington to Ottawa Airport refresh daily.
How old do you have to be to fly from Washington to Ottawa Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The travel and health documents you'll need for your trip to Ottawa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

It is quick and easy to find Washington to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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

momondo does allow users to show only those flights to Ottawa from Washington which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington 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 Washington to Ottawa right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Ottawa flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.