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

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 22m 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 14h 52m. 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$ 135 Cheap Flights from Washington to Ottawa in 2025/26

1 adult

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Find the cheapest flights from Washington to Ottawa

Round-trip

One-way

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Cheap round-trip flights

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3:10 p.m. - 6:23 p.m.

SEA

YOW

24h 13m2 stops

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

YOW

SEA

11h 39m2 stops

C$ 371WestJet

Thu, 16 Apr - Sun, 19 Apr

3:10 p.m. - 6:23 p.m.

SEA

YOW

24h 13m2 stops

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

YOW

SEA

11h 39m2 stops

C$ 373WestJet

Thu, 16 Apr - Sun, 19 Apr

3:10 p.m. - 6:23 p.m.

SEA

YOW

24h 13m2 stops

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

YOW

SEA

11h 39m2 stops

C$ 374WestJet

Thu, 2 Apr - Wed, 8 Apr

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

SEA

YOW

22h 43m1 stop

5:45 p.m. - 2:19 p.m.

YOW

SEA

23h 34m1 stop

C$ 378WestJet

Thu, 2 Apr - Wed, 8 Apr

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

SEA

YOW

22h 43m1 stop

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

YOW

SEA

11h 39m2 stops

C$ 384WestJet

Thu, 2 Apr - Wed, 8 Apr

3:10 p.m. - 6:23 p.m.

SEA

YOW

24h 13m2 stops

5:45 p.m. - 2:19 p.m.

YOW

SEA

23h 34m1 stop

C$ 389WestJet

Thu, 16 Apr - Sun, 19 Apr

11:05 p.m. - 2:45 p.m.

SEA

YOW

12h 40m1 stop

5:45 p.m. - 2:20 p.m.

YOW

SEA

23h 35m1 stop

C$ 429Multiple Airlines

Wed, 14 Jan - Wed, 21 Jan

7:05 p.m. - 6:43 a.m.

PDX

YOW

8h 38m1 stop

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

YOW

PDX

9h 55m1 stop

C$ 786Air Canada

Wed, 4 Feb - Sat, 7 Feb

7:05 p.m. - 6:43 a.m.

PDX

YOW

8h 38m1 stop

5:45 a.m. - 2:40 p.m.

YOW

PDX

11h 55m2 stops

C$ 799Air Canada

Wed, 4 Feb - Sat, 7 Feb

7:05 p.m. - 9:41 a.m.

PDX

YOW

11h 36m2 stops

5:45 a.m. - 2:40 p.m.

YOW

PDX

11h 55m2 stops

C$ 810Air Canada

Wed, 4 Feb - Sat, 7 Feb

WestJet flights from State of Washington to Ottawa

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

WestJet

16 Apr

SEA3:10 p.m.Seattle/Tacoma Intl

24h 13m

2 stops

YOW6:23 p.m.Ottawa

19 Apr

YOW5:40 a.m.Ottawa

11h 39m

2 stops

SEA2:19 p.m.Seattle/Tacoma Intl

C$ 371

Find similar

WestJet

16 Apr

SEA3:10 p.m.Seattle/Tacoma Intl

24h 13m

2 stops

YOW6:23 p.m.Ottawa

19 Apr

YOW5:40 a.m.Ottawa

11h 39m

2 stops

SEA2:19 p.m.Seattle/Tacoma Intl

C$ 373

Find similar

WestJet

2 Apr

SEA3:10 p.m.Seattle/Tacoma Intl

24h 13m

2 stops

YOW6:23 p.m.Ottawa

8 Apr

YOW5:40 a.m.Ottawa

11h 39m

2 stops

SEA2:19 p.m.Seattle/Tacoma Intl

C$ 374

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

12 Jan

SEA8:00 p.m.Seattle/Tacoma Intl

7h 43m

1 stop

YOW6:43 a.m.Ottawa

16 Jan

YOW7:45 a.m.Ottawa

9h 46m

1 stop

SEA2:31 p.m.Seattle/Tacoma Intl

C$ 487

Find similar

Air Canada

22 Jan

SEA8:00 p.m.Seattle/Tacoma Intl

7h 43m

1 stop

YOW6:43 a.m.Ottawa

24 Jan

YOW4:15 p.m.Ottawa

9h 01m

1 stop

SEA10:16 p.m.Seattle/Tacoma Intl

C$ 495

Find similar

Air Canada

2 Feb

SEA8:00 p.m.Seattle/Tacoma Intl

7h 43m

1 stop

YOW6:43 a.m.Ottawa

6 Feb

YOW5:45 a.m.Ottawa

11h 46m

2 stops

SEA2:31 p.m.Seattle/Tacoma Intl

C$ 498

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 16/4

3:10 p.m.-6:23 p.m.

2 stops24h 13m

Ottawa

Sun 19/4

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

2 stops11h 39m

C$ 371

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 16/4

3:10 p.m.-6:23 p.m.

2 stops24h 13m

Ottawa

Sun 19/4

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

2 stops11h 39m

C$ 373

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 2/4

3:10 p.m.-6:23 p.m.

2 stops24h 13m

Ottawa

Wed 8/4

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

2 stops11h 39m

C$ 374

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 2/4

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

1 stop22h 43m

Ottawa

Wed 8/4

5:45 p.m.-2:19 p.m.

1 stop23h 34m

C$ 378

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 2/4

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

1 stop22h 43m

Ottawa

Wed 8/4

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

2 stops11h 39m

C$ 384

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 16/4

3:10 p.m.-6:23 p.m.

2 stops24h 13m

Ottawa

Sun 19/4

5:45 p.m.-2:19 p.m.

1 stop23h 34m

C$ 389

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 14/1

11:05 p.m.-2:45 p.m.

1 stop12h 40m

Ottawa

Wed 21/1

5:45 p.m.-2:20 p.m.

1 stop23h 35m

C$ 429

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 4/2

7:05 p.m.-6:43 a.m.

1 stop8h 38m

Ottawa

Sat 7/2

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

1 stop9h 55m

C$ 786

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 4/2

7:05 p.m.-6:43 a.m.

1 stop8h 38m

Ottawa

Sat 7/2

5:45 a.m.-2:40 p.m.

2 stops11h 55m

C$ 799

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 4/2

7:05 p.m.-9:41 a.m.

2 stops11h 36m

Ottawa

Sat 7/2

5:45 a.m.-2:40 p.m.

2 stops11h 55m

C$ 810

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$ 542. 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$ 559.

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 C$ 674 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 C$ 331 on momondo.

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.

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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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.