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 5h 22m on average, while flying from Bellingham to Montreal Pierre Elliott Trudeau Intl Airport is 13h 55m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Ottawa.

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

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

What airlines fly to Ottawa?

Air Canada, United Airlines and WestJet 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 67% 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.

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 December 2025, 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.

$98 Cheap Flights from Washington to Ottawa in 2025/26

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Cheap round-trip flights

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3:10 pm - 6:23 pm

SEA

YOW

24h 13m2 stops

5:40 am - 2:19 pm

YOW

SEA

11h 39m2 stops

$269WestJet

Thu, Apr 16 - Sun, Apr 19

3:10 pm - 6:23 pm

SEA

YOW

24h 13m2 stops

5:40 am - 2:19 pm

YOW

SEA

11h 39m2 stops

$270WestJet

Thu, Apr 16 - Sun, Apr 19

3:10 pm - 6:23 pm

SEA

YOW

24h 13m2 stops

5:45 pm - 2:19 pm

YOW

SEA

23h 34m1 stop

$282WestJet

Thu, Apr 16 - Sun, Apr 19

3:10 pm - 4:53 pm

SEA

YOW

22h 43m1 stop

6:00 am - 2:19 pm

YOW

SEA

11h 19m1 stop

$301WestJet

Thu, Apr 16 - Sun, Apr 19

3:10 pm - 12:42 am

SEA

YOW

30h 32m2 stops

5:45 pm - 2:38 pm

YOW

SEA

23h 53m1 stop

$305WestJet

Mon, Jan 12 - Fri, Jan 16

11:05 pm - 2:45 pm

SEA

YOW

12h 40m1 stop

5:45 pm - 2:20 pm

YOW

SEA

23h 35m1 stop

$311Multiple Airlines

Wed, Jan 14 - Wed, Jan 21

3:10 pm - 12:42 am

SEA

YOW

30h 32m2 stops

7:15 pm - 2:38 pm

YOW

SEA

22h 23m2 stops

$325WestJet

Mon, Jan 12 - Fri, Jan 16

8:00 pm - 6:43 am

SEA

YOW

7h 43m1 stop

7:45 am - 2:31 pm

YOW

SEA

9h 46m1 stop

$353Air Canada

Mon, Jan 12 - Fri, Jan 16

8:00 pm - 6:43 am

SEA

YOW

7h 43m1 stop

4:15 pm - 10:16 pm

YOW

SEA

9h 01m1 stop

$359Air Canada

Thu, Jan 22 - Sat, Jan 24

7:05 pm - 6:43 am

PDX

YOW

8h 38m1 stop

7:45 am - 2:40 pm

YOW

PDX

9h 55m1 stop

$570Air Canada

Wed, Feb 4 - Sat, Feb 7

WestJet flights from State of Washington to Ottawa

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

WestJet

Apr 16

SEA3:10 pmSeattle/Tacoma Intl

24h 13m

2 stops

YOW6:23 pmOttawa

Apr 19

YOW5:40 amOttawa

11h 39m

2 stops

SEA2:19 pmSeattle/Tacoma Intl

$269

Find similar

WestJet

Apr 16

SEA3:10 pmSeattle/Tacoma Intl

24h 13m

2 stops

YOW6:23 pmOttawa

Apr 19

YOW5:40 amOttawa

11h 39m

2 stops

SEA2:19 pmSeattle/Tacoma Intl

$270

Find similar

WestJet

Apr 16

SEA3:10 pmSeattle/Tacoma Intl

24h 13m

2 stops

YOW6:23 pmOttawa

Apr 19

YOW5:45 pmOttawa

23h 34m

1 stop

SEA2:19 pmSeattle/Tacoma Intl

$282

Find similar

Air Canada flights from State of Washington to Ottawa

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

Air Canada

Jan 12

SEA8:00 pmSeattle/Tacoma Intl

7h 43m

1 stop

YOW6:43 amOttawa

Jan 16

YOW7:45 amOttawa

9h 46m

1 stop

SEA2:31 pmSeattle/Tacoma Intl

$353

Find similar

Air Canada

Jan 22

SEA8:00 pmSeattle/Tacoma Intl

7h 43m

1 stop

YOW6:43 amOttawa

Jan 24

YOW4:15 pmOttawa

9h 01m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

$359

Find similar

Air Canada

Feb 2

SEA5:50 amSeattle/Tacoma Intl

6h 56m

1 stop

YOW3:46 pmOttawa

Feb 6

YOW5:45 amOttawa

11h 46m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$361

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 4/16

3:10 pm-6:23 pm

2 stops24h 13m

Ottawa

Sun 4/19

5:40 am-2:19 pm

2 stops11h 39m

$269

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 4/16

3:10 pm-6:23 pm

2 stops24h 13m

Ottawa

Sun 4/19

5:40 am-2:19 pm

2 stops11h 39m

$270

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 4/16

3:10 pm-6:23 pm

2 stops24h 13m

Ottawa

Sun 4/19

5:45 pm-2:19 pm

1 stop23h 34m

$282

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 4/16

3:10 pm-4:53 pm

1 stop22h 43m

Ottawa

Sun 4/19

6:00 am-2:19 pm

1 stop11h 19m

$301

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 1/12

3:10 pm-12:42 am

2 stops30h 32m

Ottawa

Fri 1/16

5:45 pm-2:38 pm

1 stop23h 53m

$305

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 1/14

11:05 pm-2:45 pm

1 stop12h 40m

Ottawa

Wed 1/21

5:45 pm-2:20 pm

1 stop23h 35m

$311

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 1/12

3:10 pm-12:42 am

2 stops30h 32m

Ottawa

Fri 1/16

7:15 pm-2:38 pm

2 stops22h 23m

$325

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 1/12

8:00 pm-6:43 am

1 stop7h 43m

Ottawa

Fri 1/16

7:45 am-2:31 pm

1 stop9h 46m

$353

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 1/22

8:00 pm-6:43 am

1 stop7h 43m

Ottawa

Sat 1/24

4:15 pm-10:16 pm

1 stop9h 01m

$359

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 2/4

7:05 pm-6:43 am

1 stop8h 38m

Ottawa

Sat 2/7

7:45 am-2:40 pm

1 stop9h 55m

$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, October 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 $393. The month of August is another great option to travel to Ottawa, with average flight prices from State of Washington averaging around $405.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from State of Washington to Ottawa is on a Thursday. Travelers who choose to depart for Ottawa on a Thursday will often find tickets for as low as $461. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $627.

What is the cheapest time of day to depart on your flight to Ottawa?

In the afternoon is the cheapest time of day to fly from State of Washington to Ottawa when you can find flight prices for as low as $384. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $559 on average. Flights to Ottawa from State of Washington in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Ottawa from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $488 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from State of Washington for as low as $240 on momondo.

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

You could potentially save up to 68% 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

Fastest flight time	7h 18m
Direct flights	None

The fastest flight from State of Washington to Ottawa takes 7h 18m

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

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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 December 2025, 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 $286	Free Cancellation	Rating 7.2 3,209 reviews	Search WestJet flights
Air Canada	PriceFrom $354	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
United Airlines	PriceFrom $362	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights

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

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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.