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 8h 30m 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 12h 40m. 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$ 258 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. - 6:23 p.m.

SEA

YOW

24h 13m

2 stops

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

YOW

SEA

11h 19m

1 stop

C$ 535WestJet

Thu, 16 Apr - Mon, 20 Apr

7:35 p.m. - 5:35 a.m.

SEA

YOW

7h 00m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 536WestJet

Mon, 4 May - Mon, 11 May

7:35 p.m. - 5:35 a.m.

SEA

YOW

7h 00m

1 stop

1:20 p.m. - 6:45 p.m.

YOW

SEA

8h 25m

1 stop

C$ 539WestJet

Fri, 1 May - Tue, 5 May

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

SEA

YOW

24h 13m

2 stops

9:00 a.m. - 2:19 p.m.

YOW

SEA

32h 19m

2 stops

C$ 542WestJet

Thu, 9 Apr - Mon, 13 Apr

7:35 p.m. - 5:35 a.m.

SEA

YOW

7h 00m

1 stop

6:55 a.m. - 6:45 p.m.

YOW

SEA

14h 50m

2 stops

C$ 543WestJet

Thu, 30 Apr - Mon, 4 May

8:41 a.m. - 2:44 p.m.

SEA

YOW

27h 03m

1 stop

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

YOW

SEA

11h 39m

2 stops

C$ 557Multiple Airlines

Wed, 15 Apr - Sun, 19 Apr

9:46 p.m. - 12:54 p.m.

PDX

YOW

36h 08m

2 stops

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

YOW

PDX

9h 30m

1 stop

C$ 677Multiple Airlines

Mon, 8 Jun - Sat, 13 Jun

11:47 p.m. - 6:26 p.m.

PDX

YOW

15h 39m

2 stops

6:45 a.m. - 10:56 p.m.

YOW

PDX

19h 11m

2 stops

C$ 808American Airlines

Wed, 22 Apr - Wed, 29 Apr

7:45 p.m. - 6:00 a.m.

PDX

YOW

7h 15m

1 stop

5:05 a.m. - 2:45 p.m.

YOW

PDX

12h 40m

2 stops

C$ 823Air Canada

Sat, 6 Jun - Thu, 11 Jun

10:40 p.m. - 1:59 p.m.

PDX

YOW

12h 19m

1 stop

3:10 p.m. - 9:48 p.m.

YOW

PDX

9h 38m

1 stop

C$ 825United Airlines

Sat, 6 Jun - Thu, 11 Jun

WestJet flights from State of Washington to Ottawa

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

WestJet

4 May

SEA7:35 p.m.Seattle/Tacoma Intl

7h 00m

1 stop

YOW5:35 a.m.Ottawa

11 May

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 536

WestJet

1 May

SEA7:35 p.m.Seattle/Tacoma Intl

7h 00m

1 stop

YOW5:35 a.m.Ottawa

5 May

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 539

WestJet

9 Apr

SEA3:10 p.m.Seattle/Tacoma Intl

24h 13m

2 stops

YOW6:23 p.m.Ottawa

13 Apr

YOW9:00 a.m.Ottawa

32h 19m

2 stops

SEA2:19 p.m.Seattle/Tacoma Intl

C$ 542

American Airlines flights from State of Washington to Ottawa

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

American Airlines

22 Apr

PDX11:47 p.m.Portland

15h 39m

2 stops

YOW6:26 p.m.Ottawa

29 Apr

YOW6:45 a.m.Ottawa

19h 11m

2 stops

PDX10:56 p.m.Portland

C$ 808

American Airlines

16 Sep

PDX11:45 a.m.Portland

24h 10m

2 stops

YOW2:55 p.m.Ottawa

19 Sep

YOW8:40 a.m.Ottawa

14h 49m

2 stops

PDX8:29 p.m.Portland

C$ 859

American Airlines

22 Apr

PDX11:47 p.m.Portland

15h 39m

2 stops

YOW6:26 p.m.Ottawa

29 Apr

YOW6:45 a.m.Ottawa

19h 18m

3 stops

PDX11:03 p.m.Portland

C$ 997

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 16/4

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

2 stops24h 13m

Ottawa

Mon 20/4

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

1 stop11h 19m

C$ 535

Quickest round-trip

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 4/5

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Mon 11/5

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 536

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 1/5

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Tue 5/5

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 539

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 9/4

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

2 stops24h 13m

Ottawa

Mon 13/4

9:00 a.m.-2:19 p.m.

2 stops32h 19m

C$ 542

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 30/4

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Mon 4/5

6:55 a.m.-6:45 p.m.

2 stops14h 50m

C$ 543

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 15/4

8:41 a.m.-2:44 p.m.

1 stop27h 03m

Ottawa

Sun 19/4

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

2 stops11h 39m

C$ 557

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 8/6

9:46 p.m.-12:54 p.m.

2 stops36h 08m

Ottawa

Sat 13/6

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

1 stop9h 30m

C$ 677

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 22/4

11:47 p.m.-6:26 p.m.

2 stops15h 39m

Ottawa

Wed 29/4

6:45 a.m.-10:56 p.m.

2 stops19h 11m

C$ 808

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 6/6

7:45 p.m.-6:00 a.m.

1 stop7h 15m

Ottawa

Thu 11/6

5:05 a.m.-2:45 p.m.

2 stops12h 40m

C$ 823

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Sat 6/6

10:40 p.m.-1:59 p.m.

1 stop12h 19m

Ottawa

Thu 11/6

3:10 p.m.-9:48 p.m.

1 stop9h 38m

C$ 825

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 February is also cheap. Prices for this month can be found on momondo for an average of C$ 543.

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$ 673 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 15m
Direct flights	None

The fastest flight from State of Washington to Ottawa takes 7h 15m

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

Perth

Smiths Falls

Prescott

Wakefield

Calabogie

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.