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

WestJet, United Airlines, 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.

How many flights depart from Montreal to State of Washington on average per week?

As of October 2025, 3 flights take off from Montreal and land in State of Washington each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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 October 2025.

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$ 231 Cheap Flights from Montreal to Washington in 2025/26

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One-way

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Cheap round-trip flights

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9:15 a.m. - 8:29 p.m.YUL-PDX

14h 14m1 stop

3:10 p.m. - 2:00 p.m.PDX-YUL

19h 50m2 stops

C$ 397United Airlines

Find Deal

Tue, 28 Oct - Fri, 31 Oct

7:29 a.m. - 8:17 p.m.YUL-PDX

15h 48m1 stop

11:58 p.m. - 11:40 a.m.PDX-YUL

8h 42m1 stop

C$ 409American Airlines

Find Deal

Tue, 28 Oct - Fri, 31 Oct

4:15 p.m. - 2:20 p.m.YUL-SEA

25h 05m1 stop

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

12h 55m1 stop

C$ 420WestJet

Find Deal

Mon, 1 Dec - Sun, 7 Dec

7:30 p.m. - 2:20 p.m.YUL-SEA

21h 50m1 stop

3:10 p.m. - 12:43 a.m.SEA-YUL

30h 33m2 stops

C$ 426WestJet

Find Deal

Mon, 1 Dec - Sun, 7 Dec

6:00 a.m. - 4:45 p.m.YUL-PDX

13h 45m2 stops

6:00 a.m. - 11:14 p.m.PDX-YUL

14h 14m2 stops

C$ 455Delta

Find Deal

Mon, 27 Oct - Thu, 30 Oct

6:00 p.m. - 2:20 p.m.YUL-SEA

23h 20m1 stop

11:55 a.m. - 4:27 p.m.SEA-YUL

25h 32m2 stops

C$ 471Multiple Airlines

Find Deal

Mon, 24 Nov - Sun, 30 Nov

4:15 p.m. - 12:31 p.m.YUL-SEA

23h 16m1 stop

11:55 a.m. - 4:27 p.m.SEA-YUL

25h 32m2 stops

C$ 479Multiple Airlines

Find Deal

Thu, 20 Nov - Mon, 24 Nov

6:00 a.m. - 10:29 a.m.YUL-PDX

7h 29m1 stop

11:39 a.m. - 11:14 p.m.PDX-YUL

8h 35m1 stop

C$ 483Delta

Find Deal

Wed, 29 Oct - Thu, 6 Nov

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

10h 10m1 stop

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

8h 10m1 stop

C$ 524Air Canada

Find Deal

Fri, 21 Nov - Tue, 25 Nov

8:40 a.m. - 6:30 p.m.YUL-PDX

12h 50m2 stops

9:50 a.m. - 9:14 p.m.PDX-YUL

8h 24m1 stop

C$ 532Air Canada

Find Deal

Tue, 24 Feb - Wed, 25 Feb

WestJet flights from Montreal to State of Washington

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

WestJet

1 Dec

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

25h 05m

1 stop

SEA2:20 p.m.Seattle/Tacoma Intl

7 Dec

SEA3:10 p.m.Seattle/Tacoma Intl

12h 55m

1 stop

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

C$ 420

Find similar

WestJet

1 Dec

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

21h 50m

1 stop

SEA2:20 p.m.Seattle/Tacoma Intl

7 Dec

SEA3:10 p.m.Seattle/Tacoma Intl

30h 33m

2 stops

YUL12:43 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 426

Find similar

WestJet

27 Nov

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

21h 07m

2 stops

SEA10:22 a.m.Seattle/Tacoma Intl

4 Dec

SEA3:10 p.m.Seattle/Tacoma Intl

12h 55m

1 stop

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

C$ 462

Find similar

Delta flights from Montreal to State of Washington

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

Delta

27 Oct

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

13h 45m

2 stops

PDX4:45 p.m.Portland

30 Oct

PDX6:00 a.m.Portland

14h 14m

2 stops

YUL11:14 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 455

Find similar

Delta

29 Oct

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

7h 29m

1 stop

PDX10:29 a.m.Portland

6 Nov

PDX11:39 a.m.Portland

8h 35m

1 stop

YUL11:14 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 483

Find similar

Delta

23 Oct

YUL9:28 a.m.Montreal Pierre Elliott Trudeau Intl

15h 20m

2 stops

PDX9:48 p.m.Portland

30 Oct

PDX6:00 a.m.Portland

14h 14m

2 stops

YUL11:14 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 503

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

9:15 a.m.-8:29 p.m.

1 stop14h 14m

Portland

Fri 31/10

3:10 p.m.-2:00 p.m.

2 stops19h 50m

C$ 397

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

7:29 a.m.-8:17 p.m.

1 stop15h 48m

Portland

Fri 31/10

11:58 p.m.-11:40 a.m.

1 stop8h 42m

C$ 409

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

4:15 p.m.-2:20 p.m.

1 stop25h 05m

Seattle/Tacoma Intl

Sun 7/12

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

1 stop12h 55m

C$ 420

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

7:30 p.m.-2:20 p.m.

1 stop21h 50m

Seattle/Tacoma Intl

Sun 7/12

3:10 p.m.-12:43 a.m.

2 stops30h 33m

C$ 426

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

6:00 a.m.-4:45 p.m.

2 stops13h 45m

Portland

Thu 30/10

6:00 a.m.-11:14 p.m.

2 stops14h 14m

C$ 455

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

6:00 p.m.-2:20 p.m.

1 stop23h 20m

Seattle/Tacoma Intl

Sun 30/11

11:55 a.m.-4:27 p.m.

2 stops25h 32m

C$ 471

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 20/11

4:15 p.m.-12:31 p.m.

1 stop23h 16m

Seattle/Tacoma Intl

Mon 24/11

11:55 a.m.-4:27 p.m.

2 stops25h 32m

C$ 479

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

6:00 a.m.-10:29 a.m.

1 stop7h 29m

Portland

Thu 6/11

11:39 a.m.-11:14 p.m.

1 stop8h 35m

C$ 483

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

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

1 stop10h 10m

Portland

Tue 25/11

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

1 stop8h 10m

C$ 524

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

8:40 a.m.-6:30 p.m.

2 stops12h 50m

Portland

Wed 25/2

9:50 a.m.-9:14 p.m.

1 stop8h 24m

C$ 532

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

Other information

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

In general, September 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$ 671. If you’re not able to fly to State of Washington in September, then August is your next best option. Flight prices from Montreal to State of Washington during August average around C$ 673.

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$ 697. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Monday is C$ 801.

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

According to our data, the cheapest time of day to fly to State of Washington is in the evening. momondo users have found flights departing from Montreal to State of Washington in the evening for as low as C$ 366. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 763 on average. Flights to State of Washington from Montreal at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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$ 705 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$ 504 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$ 464
Direct flights	None

The best one-way flight to State of Washington from Montreal in the past 72 hours is C$ 464. The best round-trip flight deal from Montreal to State of Washington found on momondo in the last 72 hours is C$ 730.

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

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 October 2025.
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 95.87% of the total bookings. Other popular models include Boeing 737 MAX 8 with 1.65%, Boeing 737 MAX 9 with 1.65%, and Airbus A340-300 with 0.83%.

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
WestJet	PriceFrom C$ 373	Free Cancellation	Rating 7.2 3,125 reviews	Search WestJet flights
American Airlines	PriceFrom C$ 463	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
Delta	PriceFrom C$ 504	Free Cancellation	Rating 7.9 7,975 reviews	Search Delta flights
Air Canada	PriceFrom C$ 508	Free Cancellation	Rating 7.1 10,297 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 543	Free Cancellation	Rating 7.4 8,976 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.

An easier way to manage your State of Washington 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.

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Thu 20/11

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Montreal flight routes

Flights from Montreal Pierre Elliott Trudeau Intl to Victoria Intl

Flights from Montreal Pierre Elliott Trudeau Intl to Charlottetown

Flights from Montreal Pierre Elliott Trudeau Intl to Toronto Island

Flights from Montreal Pierre Elliott Trudeau Intl to Toronto Pearson Intl

Flights from Montreal Pierre Elliott Trudeau Intl to Edmonton

Flights from Montreal Pierre Elliott Trudeau Intl to Vancouver Intl

Cheap flights from Montreal to Washington from C$ 231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Washington departing on 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montreal to Washington

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

WestJet flights from Montreal to State of Washington

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

Delta flights from Montreal to State of Washington

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

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Use the filters below to find and compare flights from Montreal to Washington that are best for you.

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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

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

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

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

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?

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.

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

WestJet, United Airlines, and Delta are the most popular carriers operating from Montreal to Washington

Which airlines fly to State of Washington?

How many flights depart from Montreal to State of Washington on average per week?

As of October 2025, 3 flights take off from Montreal and land in State of Washington each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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

Direct flights

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

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

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

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

What is the most popular plane model from Montreal to State of Washington?

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

Why use momondo?

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

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

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

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

An easier way to manage your State of Washington 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 Washington

Popular Cities in Washington

Popular flights according to clicks in the last 7 days on momondo