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

WestJet, Air Canada, and Delta are the most popular carriers operating from Montreal to Washington

Which airlines fly to State of Washington?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to State of Washington from Montreal according to our data. Air Canada is the first choice among our users, with 66% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 5 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Montreal to Washington are refreshed on a daily basis.

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

There are 5 operators available for flights from Montreal to Washington as of January 2026.

How old do you have to be to fly from Montreal to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 235 Cheap Flights from Montreal to Washington in 2026

1 adult

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Find the cheapest flights from Montreal to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:15 p.m. - 2:19 p.m.

YUL

SEA

25h 04m

1 stop

3:10 p.m. - 7:05 a.m.

SEA

YUL

12h 55m

1 stop

C$ 395WestJet

Mon, 9 Mar - Mon, 16 Mar

7:30 p.m. - 2:19 p.m.

YUL

SEA

21h 49m

1 stop

3:10 p.m. - 7:05 a.m.

SEA

YUL

12h 55m

1 stop

C$ 399WestJet

Thu, 5 Mar - Wed, 11 Mar

7:30 a.m. - 2:40 p.m.

YUL

PDX

10h 10m

1 stop

9:50 a.m. - 9:00 p.m.

PDX

YUL

8h 10m

1 stop

C$ 421Air Canada

Fri, 6 Feb - Sun, 15 Feb

7:30 a.m. - 2:40 p.m.

YUL

PDX

10h 10m

1 stop

7:05 p.m. - 10:22 a.m.

PDX

YUL

12h 17m

2 stops

C$ 429Air Canada

Fri, 6 Feb - Sun, 15 Feb

4:45 p.m. - 10:32 p.m.

YUL

PDX

8h 47m

1 stop

11:59 p.m. - 2:00 p.m.

PDX

YUL

11h 01m

1 stop

C$ 460United Airlines

Fri, 6 Feb - Sun, 15 Feb

2:40 p.m. - 8:30 p.m.

YUL

PDX

8h 50m

1 stop

9:45 p.m. - 11:25 a.m.

PDX

YUL

10h 40m

1 stop

C$ 461Delta

Fri, 20 Feb - Mon, 23 Feb

6:45 a.m. - 7:18 p.m.

YUL

SEA

15h 33m

1 stop

7:55 a.m. - 12:38 a.m.

SEA

YUL

13h 43m

1 stop

C$ 482Multiple Airlines

Fri, 6 Mar - Sat, 14 Mar

12:50 p.m. - 9:53 p.m.

YUL

PDX

12h 03m

1 stop

12:30 a.m. - 5:31 p.m.

PDX

YUL

14h 01m

2 stops

C$ 501Delta

Tue, 31 Mar - Thu, 2 Apr

7:30 a.m. - 3:01 p.m.

YUL

SEA

10h 31m

1 stop

3:10 p.m. - 7:05 a.m.

SEA

YUL

12h 55m

1 stop

C$ 516Multiple Airlines

Tue, 17 Mar - Sun, 22 Mar

7:00 a.m. - 9:07 p.m.

YUL

GEG

17h 07m

2 stops

5:00 a.m. - 4:58 p.m.

GEG

YUL

8h 58m

1 stop

C$ 872United Airlines

Sat, 21 Feb - Sat, 28 Feb

WestJet flights from Montreal to State of Washington

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

WestJet

9 Mar

YUL4:15 p.m.Montreal Pierre Elliott Trudeau Intl

25h 04m

1 stop

SEA2:19 p.m.Seattle/Tacoma Intl

16 Mar

SEA3:10 p.m.Seattle/Tacoma Intl

12h 55m

1 stop

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 395

WestJet

5 Mar

YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl

21h 49m

1 stop

SEA2:19 p.m.Seattle/Tacoma Intl

11 Mar

SEA3:10 p.m.Seattle/Tacoma Intl

12h 55m

1 stop

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 399

WestJet

5 Mar

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

34h 34m

2 stops

SEA2:19 p.m.Seattle/Tacoma Intl

11 Mar

SEA3:10 p.m.Seattle/Tacoma Intl

12h 55m

1 stop

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 403

American Airlines flights from Montreal to State of Washington

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

American Airlines

13 Mar

YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl

10h 28m

1 stop

SEA11:13 p.m.Seattle/Tacoma Intl

17 Mar

SEA12:07 a.m.Seattle/Tacoma Intl

11h 58m

1 stop

YUL3:05 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 535

American Airlines

7 Apr

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

14h 09m

1 stop

SEA11:39 p.m.Seattle/Tacoma Intl

21 Apr

SEA11:26 p.m.Seattle/Tacoma Intl

9h 18m

1 stop

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 537

American Airlines

30 Mar

YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl

22h 03m

1 stop

PDX10:48 a.m.Portland

3 Apr

PDX11:59 p.m.Portland

12h 00m

1 stop

YUL2:59 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 539

Fly from

Fly to

Route

Depart

Return

Price

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

4:15 p.m.-2:19 p.m.

1 stop25h 04m

Seattle/Tacoma Intl

Mon 16/3

3:10 p.m.-7:05 a.m.

1 stop12h 55m

C$ 395

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

7:30 p.m.-2:19 p.m.

1 stop21h 49m

Seattle/Tacoma Intl

Wed 11/3

3:10 p.m.-7:05 a.m.

1 stop12h 55m

C$ 399

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

7:30 a.m.-2:40 p.m.

1 stop10h 10m

Portland

Sun 15/2

9:50 a.m.-9:00 p.m.

1 stop8h 10m

C$ 421

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

7:30 a.m.-2:40 p.m.

1 stop10h 10m

Portland

Sun 15/2

7:05 p.m.-10:22 a.m.

2 stops12h 17m

C$ 429

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

4:45 p.m.-10:32 p.m.

1 stop8h 47m

Portland

Sun 15/2

11:59 p.m.-2:00 p.m.

1 stop11h 01m

C$ 460

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

2:40 p.m.-8:30 p.m.

1 stop8h 50m

Portland

Mon 23/2

9:45 p.m.-11:25 a.m.

1 stop10h 40m

C$ 461

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

6:45 a.m.-7:18 p.m.

1 stop15h 33m

Seattle/Tacoma Intl

Sat 14/3

7:55 a.m.-12:38 a.m.

1 stop13h 43m

C$ 482

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

12:50 p.m.-9:53 p.m.

1 stop12h 03m

Portland

Thu 2/4

12:30 a.m.-5:31 p.m.

2 stops14h 01m

C$ 501

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

7:30 a.m.-3:01 p.m.

1 stop10h 31m

Seattle/Tacoma Intl

Sun 22/3

3:10 p.m.-7:05 a.m.

1 stop12h 55m

C$ 516

MontrealSpokane

YUL - GEG

YULGEG

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

7:00 a.m.-9:07 p.m.

2 stops17h 07m

Spokane

Sat 28/2

5:00 a.m.-4:58 p.m.

1 stop8h 58m

C$ 872

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 Montreal to State of Washington

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

What is the cheapest month to fly to State of Washington?

In general, February is the cheapest month to fly from Montreal to State of Washington. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 649. If you’re not able to fly to State of Washington in February, then August is your next best option. Flight prices from Montreal to State of Washington during August average around C$ 660.

What is the cheapest day to depart on your flight to State of Washington?

On average, the least expensive day to fly to State of Washington from Montreal is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 672. However, this price may fluctuate depending on the airline, the season, and holidays. 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 State of Washington on Sunday is C$ 732.

What is the cheapest Montreal to Washington flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl for the best Montreal - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around C$ 645 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Montreal for as low as C$ 495 on momondo.

What cabin class options are available on Montreal to Washington flights?

There is only 1 cabin class available to choose from on Montreal to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 27% on your flight if you consider stops on a Montreal to State of Washington flight.

Cheap Montreal to State of Washington flight deals and tips

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

Best price found	C$ 684
Fastest flight time	5h 52m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in State of Washington	96 airports

The best flight deal from Montreal to State of Washington found on momondo in the last 72 hours is C$ 684

The fastest flight from Montreal to State of Washington takes 5h 52m

Direct flights go from Montreal to State of Washington on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 96 airports in State of Washington. From Montreal there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from Montreal to Washington?
Prices for flights from Montreal to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Washington?
There are 5 operators available for flights from Montreal to Washington as of January 2026.
How old do you have to be to fly from Montreal to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Montreal to State of Washington?
Based on momondo bookings for flights between Montreal and State of Washington, the leading plane model is Airbus A220-300, making up 81.82% of the total bookings. Other popular models include Boeing 737 MAX 8 with 9.09% and Boeing 737 MAX 9 with 9.09%.

Best airlines flying from Montreal to State of Washington

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom C$ 257	Free Cancellation	Rating 7.2 11,177 reviews	Search American Airlines flights
Delta	PriceFrom C$ 280	Free Cancellation	Rating 7.9 8,096 reviews	Search Delta flights
WestJet	PriceFrom C$ 356	Free Cancellation	Rating 7.2 3,249 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 494	Free Cancellation	Rating 7.1 10,649 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 515	Free Cancellation	Rating 7.4 9,195 reviews	Search United Airlines flights

Why use momondo?

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

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

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

Yes. All flights to Washington from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Montreal.

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

Yes momondo offers price alerts on flights to Washington from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.