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

WestJet is the most popular carrier 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 70% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 4 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 5h 07m on average, while flying from Pasco to Montreal Pierre Elliott Trudeau Intl Airport is 13h 22m 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 February 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.

$110 Cheap Flights from Washington to Ottawa in 2026

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One-way

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Cheap round-trip flights

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3:10 pm - 6:23 pm

SEA

YOW

24h 13m

2 stops

6:00 am - 2:19 pm

YOW

SEA

11h 19m

1 stop

$312WestJet

Thu, Apr 16 - Thu, Apr 23

3:10 pm - 4:53 pm

SEA

YOW

22h 43m

1 stop

5:45 pm - 2:19 pm

YOW

SEA

23h 34m

1 stop

$316WestJet

Mon, Mar 2 - Mon, Mar 9

3:10 pm - 4:53 pm

SEA

YOW

22h 43m

1 stop

7:15 pm - 2:19 pm

YOW

SEA

22h 04m

2 stops

$326WestJet

Mon, Mar 2 - Mon, Mar 9

3:10 pm - 12:39 am

SEA

YOW

30h 29m

2 stops

7:15 pm - 2:19 pm

YOW

SEA

22h 04m

2 stops

$327WestJet

Mon, Mar 2 - Mon, Mar 9

8:00 am - 6:34 pm

SEA

YOW

7h 34m

1 stop

6:00 am - 2:19 pm

YOW

SEA

11h 19m

1 stop

$339Multiple Airlines

Sat, Apr 18 - Tue, Apr 21

5:40 am - 3:53 pm

SEA

YOW

7h 13m

1 stop

5:40 am - 2:19 pm

YOW

SEA

11h 39m

2 stops

$343Multiple Airlines

Sat, Apr 18 - Tue, Apr 21

10:55 pm - 5:35 pm

PDX

YOW

15h 40m

2 stops

1:20 pm - 9:20 pm

YOW

PDX

11h 00m

2 stops

$632Delta

Thu, May 14 - Thu, May 21

7:05 pm - 6:45 am

PDX

YOW

8h 40m

1 stop

7:45 am - 2:40 pm

YOW

PDX

9h 55m

1 stop

$653Air Canada

Fri, Apr 24 - Sun, Apr 26

6:00 am - 12:39 am

PDX

YOW

15h 39m

2 stops

1:20 pm - 9:32 pm

YOW

PDX

11h 12m

2 stops

$656Delta

Fri, Apr 24 - Sun, Apr 26

7:05 pm - 10:10 am

PDX

YOW

12h 05m

2 stops

7:45 am - 2:40 pm

YOW

PDX

9h 55m

1 stop

$661Air Canada

Fri, Apr 24 - Sun, Apr 26

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 4

SEA8:00 pmSeattle/Tacoma Intl

7h 43m

1 stop

YOW6:43 amOttawa

Mar 8

YOW5:50 pmOttawa

8h 07m

1 stop

SEA10:57 pmSeattle/Tacoma Intl

$397

Air Canada

Apr 17

SEA5:40 amSeattle/Tacoma Intl

7h 13m

1 stop

YOW3:53 pmOttawa

Apr 21

YOW6:00 pmOttawa

7h 50m

1 stop

SEA10:50 pmSeattle/Tacoma Intl

$402

Air Canada

Feb 28

SEA8:00 pmSeattle/Tacoma Intl

7h 43m

1 stop

YOW6:43 amOttawa

Mar 31

YOW4:15 pmOttawa

8h 38m

1 stop

SEA9:53 pmSeattle/Tacoma Intl

$405

American Airlines flights from State of Washington to Ottawa

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

American Airlines

Mar 3

SEA12:07 amSeattle/Tacoma Intl

13h 41m

2 stops

YOW4:48 pmOttawa

Mar 8

YOW6:45 amOttawa

20h 39m

2 stops

SEA12:24 amSeattle/Tacoma Intl

$482

American Airlines

May 3

PDX11:47 pmPortland

12h 08m

2 stops

YOW2:55 pmOttawa

May 11

YOW8:40 amOttawa

17h 23m

3 stops

PDX11:03 pmPortland

$918

American Airlines

Apr 24

PDX11:47 pmPortland

14h 04m

2 stops

YOW4:51 pmOttawa

Apr 26

YOW6:45 amOttawa

17h 53m

3 stops

PDX9:38 pmPortland

$968

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

Thu 4/23

6:00 am-2:19 pm

1 stop11h 19m

$312

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 3/2

3:10 pm-4:53 pm

1 stop22h 43m

Ottawa

Mon 3/9

5:45 pm-2:19 pm

1 stop23h 34m

$316

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 3/2

3:10 pm-4:53 pm

1 stop22h 43m

Ottawa

Mon 3/9

7:15 pm-2:19 pm

2 stops22h 04m

$326

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 3/2

3:10 pm-12:39 am

2 stops30h 29m

Ottawa

Mon 3/9

7:15 pm-2:19 pm

2 stops22h 04m

$327

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 4/18

8:00 am-6:34 pm

1 stop7h 34m

Ottawa

Tue 4/21

6:00 am-2:19 pm

1 stop11h 19m

$339

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 4/18

5:40 am-3:53 pm

1 stop7h 13m

Ottawa

Tue 4/21

5:40 am-2:19 pm

2 stops11h 39m

$343

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Thu 5/14

10:55 pm-5:35 pm

2 stops15h 40m

Ottawa

Thu 5/21

1:20 pm-9:20 pm

2 stops11h 00m

$632

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 4/24

7:05 pm-6:45 am

1 stop8h 40m

Ottawa

Sun 4/26

7:45 am-2:40 pm

1 stop9h 55m

$653

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 4/24

6:00 am-12:39 am

2 stops15h 39m

Ottawa

Sun 4/26

1:20 pm-9:32 pm

2 stops11h 12m

$656

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Fri 4/24

7:05 pm-10:10 am

2 stops12h 05m

Ottawa

Sun 4/26

7:45 am-2:40 pm

1 stop9h 55m

$661

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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 $413.

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 $491 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 3% 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 07m
Direct flights	None

The fastest flight from State of Washington to Ottawa takes 7h 07m

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 many operators does momondo search for flights from Washington to Ottawa Airport?
As of February 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
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
Air Canada	PriceFrom $242	Free Cancellation	Rating 7.1 10,688 reviews	Search Air Canada flights
WestJet	PriceFrom $284	Free Cancellation	Rating 7.2 3,255 reviews	Search WestJet flights

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Why use momondo?

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 $110

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 5/5. 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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Air Canada flights from State of Washington to Ottawa

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See travel insights to Ottawa from

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

What is the cheapest month to fly to Ottawa?

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

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

You could potentially save up to 3% on your flight if you consider stops on a State of Washington to Ottawa flight.

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

WestJet is the most popular carrier operating 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

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

Fastest flight time

Direct flights

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

How many operators does momondo search for flights from Washington to Ottawa Airport?

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

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

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?

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

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

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

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

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.

Find better results for your trip to Canada

Airports servicing Ontario

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Cabin classes currently available on flights to Ottawa

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