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

WestJet, Air Canada, and American 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 5h 07m 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 13h 09m. 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$ 157 Cheap Flights from Washington to Ottawa in 2026

1 adult

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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.

3:10 p.m. - 4:53 p.m.

SEA

YOW

22h 43m

1 stop

6:00 a.m. - 2:19 p.m.

YOW

SEA

11h 19m

1 stop

C$ 424WestJet

Tue, 24 Mar - Tue, 31 Mar

3:10 p.m. - 4:53 p.m.

SEA

YOW

22h 43m

1 stop

5:40 a.m. - 2:19 p.m.

YOW

SEA

11h 39m

2 stops

C$ 428WestJet

Tue, 24 Mar - Tue, 31 Mar

3:10 p.m. - 12:39 a.m.

SEA

YOW

30h 29m

2 stops

5:40 a.m. - 2:19 p.m.

YOW

SEA

11h 39m

2 stops

C$ 437WestJet

Tue, 24 Mar - Tue, 31 Mar

8:00 p.m. - 9:23 a.m.

SEA

YOW

10h 23m

2 stops

4:15 p.m. - 9:53 p.m.

YOW

SEA

8h 38m

1 stop

C$ 469Air Canada

Mon, 23 Mar - Mon, 30 Mar

8:00 a.m. - 7:18 p.m.

SEA

YOW

8h 18m

1 stop

4:15 p.m. - 9:53 p.m.

YOW

SEA

8h 38m

1 stop

C$ 477Air Canada

Mon, 23 Mar - Mon, 30 Mar

7:55 a.m. - 12:39 a.m.

SEA

YOW

13h 44m

1 stop

6:00 a.m. - 2:19 p.m.

YOW

SEA

11h 19m

1 stop

C$ 485Multiple Airlines

Tue, 17 Mar - Tue, 24 Mar

7:55 a.m. - 12:39 a.m.

SEA

YOW

13h 44m

1 stop

6:00 a.m. - 2:19 p.m.

YOW

SEA

11h 19m

1 stop

C$ 503Multiple Airlines

Wed, 18 Mar - Tue, 24 Mar

7:55 a.m. - 12:39 a.m.

SEA

YOW

13h 44m

1 stop

5:40 a.m. - 7:15 p.m.

YOW

SEA

16h 35m

1 stop

C$ 510Multiple Airlines

Tue, 17 Mar - Wed, 25 Mar

2:30 p.m. - 3:25 p.m.

PDX

YOW

21h 55m

1 stop

7:20 a.m. - 1:50 p.m.

YOW

PDX

9h 30m

1 stop

C$ 611WestJet

Wed, 27 May - Sat, 30 May

7:05 p.m. - 6:45 a.m.

PDX

YOW

8h 40m

1 stop

7:45 a.m. - 2:40 p.m.

YOW

PDX

9h 55m

1 stop

C$ 816Air Canada

Sun, 5 Apr - Wed, 15 Apr

WestJet flights from State of Washington to Ottawa

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

WestJet

24 Mar

SEA3:10 p.m.Seattle/Tacoma Intl

22h 43m

1 stop

YOW4:53 p.m.Ottawa

31 Mar

YOW6:00 a.m.Ottawa

11h 19m

1 stop

SEA2:19 p.m.Seattle/Tacoma Intl

C$ 424

WestJet

24 Mar

SEA3:10 p.m.Seattle/Tacoma Intl

22h 43m

1 stop

YOW4:53 p.m.Ottawa

31 Mar

YOW5:40 a.m.Ottawa

11h 39m

2 stops

SEA2:19 p.m.Seattle/Tacoma Intl

C$ 428

WestJet

24 Mar

SEA3:10 p.m.Seattle/Tacoma Intl

30h 29m

2 stops

YOW12:39 a.m.Ottawa

31 Mar

YOW5:40 a.m.Ottawa

11h 39m

2 stops

SEA2:19 p.m.Seattle/Tacoma Intl

C$ 437

United Airlines flights from State of Washington to Ottawa

Our best United Airlines deals on State of Washington to Ottawa flight tickets

United Airlines

22 Feb

SEA11:59 p.m.Seattle/Tacoma Intl

7h 27m

1 stop

YOW10:26 a.m.Ottawa

28 Feb

YOW5:11 p.m.Ottawa

8h 32m

1 stop

SEA10:43 p.m.Seattle/Tacoma Intl

C$ 556

United Airlines

28 Feb

SEA12:32 p.m.Seattle/Tacoma Intl

18h 54m

2 stops

YOW10:26 a.m.Ottawa

31 Mar

YOW5:20 p.m.Ottawa

8h 17m

1 stop

SEA10:37 p.m.Seattle/Tacoma Intl

C$ 570

United Airlines

22 Feb

SEA11:59 p.m.Seattle/Tacoma Intl

7h 27m

1 stop

YOW10:26 a.m.Ottawa

28 Feb

YOW5:11 p.m.Ottawa

19h 38m

2 stops

SEA9:49 a.m.Seattle/Tacoma Intl

C$ 575

Fly from

Fly to

Route

Depart

Return

Price

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 24/3

3:10 p.m.-4:53 p.m.

1 stop22h 43m

Ottawa

Tue 31/3

6:00 a.m.-2:19 p.m.

1 stop11h 19m

C$ 424

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 24/3

3:10 p.m.-4:53 p.m.

1 stop22h 43m

Ottawa

Tue 31/3

5:40 a.m.-2:19 p.m.

2 stops11h 39m

C$ 428

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 24/3

3:10 p.m.-12:39 a.m.

2 stops30h 29m

Ottawa

Tue 31/3

5:40 a.m.-2:19 p.m.

2 stops11h 39m

C$ 437

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 23/3

8:00 p.m.-9:23 a.m.

2 stops10h 23m

Ottawa

Mon 30/3

4:15 p.m.-9:53 p.m.

1 stop8h 38m

C$ 469

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 23/3

8:00 a.m.-7:18 p.m.

1 stop8h 18m

Ottawa

Mon 30/3

4:15 p.m.-9:53 p.m.

1 stop8h 38m

C$ 477

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 17/3

7:55 a.m.-12:39 a.m.

1 stop13h 44m

Ottawa

Tue 24/3

6:00 a.m.-2:19 p.m.

1 stop11h 19m

C$ 485

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 18/3

7:55 a.m.-12:39 a.m.

1 stop13h 44m

Ottawa

Tue 24/3

6:00 a.m.-2:19 p.m.

1 stop11h 19m

C$ 503

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 17/3

7:55 a.m.-12:39 a.m.

1 stop13h 44m

Ottawa

Wed 25/3

5:40 a.m.-7:15 p.m.

1 stop16h 35m

C$ 510

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 27/5

2:30 p.m.-3:25 p.m.

1 stop21h 55m

Ottawa

Sat 30/5

7:20 a.m.-1:50 p.m.

1 stop9h 30m

C$ 611

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sun 5/4

7:05 p.m.-6:45 a.m.

1 stop8h 40m

Ottawa

Wed 15/4

7:45 a.m.-2:40 p.m.

1 stop9h 55m

C$ 816

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 October is, on average, the cheapest month to fly to Ottawa from State of Washington, with most prices found around C$ 537. If you aren’t able to travel to Ottawa during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of C$ 565.

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

Fastest flight time	7h 27m
Direct flights	None

The fastest flight from State of Washington to Ottawa takes 7h 27m

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

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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Pembroke

Brockville

Perth

Smiths Falls

Prescott

Calabogie

Wakefield

Petawawa

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.