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

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

What airlines fly to Ottawa?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to Ottawa from State of Washington according to our data. Air Canada is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ottawa?

Average flight duration from State of Washington to Ottawa depends on which airport you fly into and out of. Flying from Seattle to Montreal Pierre Elliott Trudeau Intl Airport is 6h 40m on average, while flying from Pasco to Montreal Pierre Elliott Trudeau Intl Airport is 9h on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in 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 many operators does momondo search for flights from Washington to Ottawa Airport?

As of November 2026, there are 3 operators available to choose from for flights from Washington to Ottawa Airport.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

$207 Cheap Flights from Washington to Ottawa in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Ottawa

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:30 pm - 2:30 pmSEA Seattle/Tacoma Intl-YOW Ottawa

21h 00m1 stop Calgary

6:10 am - 1:40 pmYOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

$398WestJet

Sun, Jan 31 - Tue, Feb 2

2:30 pm - 2:30 pmSEA Seattle/Tacoma Intl-YOW Ottawa

21h 00m1 stop Calgary

6:10 am - 1:40 pmYOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

$401WestJet

Wed, Jan 27 - Sun, Jan 31

2:30 pm - 2:30 pmSEA Seattle/Tacoma Intl-YOW Ottawa

21h 00m1 stop Calgary

5:30 am - 1:40 pmYOW Ottawa-SEA Seattle/Tacoma Intl

35h 10m2 stops Toronto Pearson Intl Calgary

$434WestJet

Sun, Jan 31 - Tue, Feb 2

3:44 pm - 11:33 amSEA Seattle/Tacoma Intl-YOW Ottawa

16h 49m2 stops Newark Toronto Island

6:10 am - 1:40 pmYOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

$491Multiple Airlines

Thu, Dec 10 - Sun, Jan 10

11:25 pm - 1:11 pmSEA Seattle/Tacoma Intl-YOW Ottawa

10h 46m1 stop Newark

7:50 am - 6:22 pmYOW Ottawa-SEA Seattle/Tacoma Intl

13h 32m2 stops Calgary Vancouver Intl

$494Multiple Airlines

Fri, Dec 4 - Mon, Dec 7

3:44 pm - 4:38 pmSEA Seattle/Tacoma Intl-YOW Ottawa

21h 54m2 stops Newark Toronto Island

6:10 am - 1:40 pmYOW Ottawa-SEA Seattle/Tacoma Intl

10h 30m1 stop Calgary

$504Multiple Airlines

Fri, Dec 11 - Sun, Jan 10

10:10 am - 11:07 pmSEA Seattle/Tacoma Intl-YOW Ottawa

9h 57m2 stops Vancouver Intl Calgary

5:40 pm - 9:55 pmYOW Ottawa-SEA Seattle/Tacoma Intl

7h 15m1 stop Vancouver Intl

$556Air Canada

Mon, Mar 1 - Wed, Mar 3

7:45 am - 7:25 pmSEA Seattle/Tacoma Intl-YOW Ottawa

8h 40m1 stop Toronto Pearson Intl

5:40 pm - 9:55 pmYOW Ottawa-SEA Seattle/Tacoma Intl

7h 15m1 stop Vancouver Intl

$559Air Canada

Mon, Mar 1 - Wed, Mar 3

8:08 am - 7:27 pmSEA Seattle/Tacoma Intl-YOW Ottawa

8h 19m1 stop Washington, D.C. Dulles Intl

9:45 am - 9:02 pmYOW Ottawa-SEA Seattle/Tacoma Intl

14h 17m1 stop Washington, D.C. Dulles Intl

$565United Airlines

Sat, Jan 23 - Wed, Jan 27

10:52 am - 9:23 pmSEA Seattle/Tacoma Intl-YOW Ottawa

7h 31m1 stop Chicago O'Hare Intl

9:45 am - 9:59 pmYOW Ottawa-SEA Seattle/Tacoma Intl

15h 14m2 stops Washington, D.C. Dulles Intl Los Angeles

$570United Airlines

Sat, Jan 23 - Wed, Jan 27

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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

Jan 31

SEA2:30 pmSeattle/Tacoma Intl

21h 00m

1 stop

YOW2:30 pmOttawa

Feb 2

YOW6:10 amOttawa

10h 30m

1 stop

SEA1:40 pmSeattle/Tacoma Intl

$398

WestJet

Jan 27

SEA2:30 pmSeattle/Tacoma Intl

21h 00m

1 stop

YOW2:30 pmOttawa

Jan 31

YOW6:10 amOttawa

10h 30m

1 stop

SEA1:40 pmSeattle/Tacoma Intl

$401

WestJet

Jan 31

SEA2:30 pmSeattle/Tacoma Intl

21h 00m

1 stop

YOW2:30 pmOttawa

Feb 2

YOW5:30 amOttawa

35h 10m

2 stops

SEA1:40 pmSeattle/Tacoma Intl

$434

Air Canada flights from State of Washington to Ottawa

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

Air Canada

Mar 1

SEA10:10 amSeattle/Tacoma Intl

9h 57m

2 stops

YOW11:07 pmOttawa

Mar 3

YOW5:40 pmOttawa

7h 15m

1 stop

SEA9:55 pmSeattle/Tacoma Intl

$556

Air Canada

Mar 1

SEA7:45 amSeattle/Tacoma Intl

8h 40m

1 stop

YOW7:25 pmOttawa

Mar 3

YOW5:40 pmOttawa

7h 15m

1 stop

SEA9:55 pmSeattle/Tacoma Intl

$559

Air Canada

Jan 23

SEA8:40 amSeattle/Tacoma Intl

11h 31m

2 stops

YOW11:11 pmOttawa

Jan 27

YOW7:50 amOttawa

13h 32m

2 stops

SEA6:22 pmSeattle/Tacoma Intl

$561

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sun 1/31

2:30 pm-2:30 pm

1 stop21h 00m

Ottawa

Tue 2/2

6:10 am-1:40 pm

1 stop10h 30m

$398

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 1/27

2:30 pm-2:30 pm

1 stop21h 00m

Ottawa

Sun 1/31

6:10 am-1:40 pm

1 stop10h 30m

$401

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sun 1/31

2:30 pm-2:30 pm

1 stop21h 00m

Ottawa

Tue 2/2

5:30 am-1:40 pm

2 stops35h 10m

$434

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Thu 12/10

3:44 pm-11:33 am

2 stops16h 49m

Ottawa

Sun 1/10

6:10 am-1:40 pm

1 stop10h 30m

$491

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Fri 12/4

11:25 pm-1:11 pm

1 stop10h 46m

Ottawa

Mon 12/7

7:50 am-6:22 pm

2 stops13h 32m

$494

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Fri 12/11

3:44 pm-4:38 pm

2 stops21h 54m

Ottawa

Sun 1/10

6:10 am-1:40 pm

1 stop10h 30m

$504

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Mon 3/1

10:10 am-11:07 pm

2 stops9h 57m

Ottawa

Wed 3/3

5:40 pm-9:55 pm

1 stop7h 15m

$556

Quickest round-trip

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Mon 3/1

7:45 am-7:25 pm

1 stop8h 40m

Ottawa

Wed 3/3

5:40 pm-9:55 pm

1 stop7h 15m

$559

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sat 1/23

8:08 am-7:27 pm

1 stop8h 19m

Ottawa

Wed 1/27

9:45 am-9:02 pm

1 stop14h 17m

$565

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sat 1/23

10:52 am-9:23 pm

1 stop7h 31m

Ottawa

Wed 1/27

9:45 am-9:59 pm

2 stops15h 14m

$570

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?

In general, March is the cheapest month to fly from State of Washington to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of February is another great option to travel to Ottawa, with average flight prices from State of Washington averaging around $394.

Can stopping save me money on State of Washington to Ottawa flights?

You could potentially save up to 6% on your flight if you consider stops on a State of Washington to Ottawa flight.

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	$207
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 $207. The best round-trip flight deal from State of Washington to Ottawa found on momondo in the last 72 hours is $398.

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 many operators does momondo search for flights from Washington to Ottawa Airport?
As of November 2026, there are 3 operators available to choose from for flights from Washington to Ottawa Airport.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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.

Best airlines flying from State of Washington to Ottawa

Compare and see reviews for airlines that fly from State of Washington to Ottawa with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $266	Free Cancellation	Rating 7.2 3,436 reviews	Search WestJet flights
Air Canada	PriceFrom $307	Free Cancellation	Rating 7.1 11,874 reviews	Search Air Canada flights
United Airlines	PriceFrom $312	Free Cancellation	Rating 7.3 10,472 reviews	Search United Airlines flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Ottawa. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Washington to Ottawa flights to just show those with flexible booking policies.

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?

Price alerts on flights to Ottawa from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington to Ottawa from $207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Ottawa departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from State of Washington to Ottawa

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

Air Canada flights from State of Washington to Ottawa

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

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How to get the cheapest flight ticket from State of Washington to Ottawa

What is the cheapest month to fly to Ottawa?

Can stopping save me money on State of Washington to Ottawa flights?

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

What airlines fly to Ottawa?

How long does it take to fly to Ottawa?

Cheap State of Washington to Ottawa flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Washington to Ottawa

Best airlines flying from State of Washington to Ottawa

Compare and see reviews for airlines that fly from State of Washington to Ottawa with momondo

Traveling to a place near Ottawa?

Why use momondo?

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Fly your favorite airline to Ottawa

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List of cabin classes available on flights landing in Ottawa. Availability may vary depending on flight origin and airline.

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