What is the cheapest airline that flies from Quebec to Seattle/Tacoma Intl?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from Quebec to Seattle/Tacoma Intl

How long does it take to fly to Seattle?

Flight times from Quebec to Seattle vary, but if you’re flying out of Montreal and flying into Seattle (one of the most popular routes), then the duration is 8h 53m on average. Another popular route from Quebec to Seattle is flying from Québec City to Seattle, which will take roughly 10h. Keep in mind that layovers or delays could extend your travel time.

Which airlines fly to Seattle?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to Seattle from Quebec according to our data. Air Canada is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Quebec to Seattle/Tacoma Intl Airport?

Prices for flights from Quebec to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Quebec to Seattle/Tacoma Intl Airport?

As of June 2026, there are 4 operators available to choose from for flights from Quebec to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Quebec to Seattle/Tacoma Intl 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 Quebec to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 284 Cheap Flights from Quebec to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Quebec to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

YUL

SEA

15h 00m

2 stops

7:35 p.m. - 7:05 a.m.

SEA

YUL

8h 30m

1 stop

C$ 512WestJet

Thu, 20 Aug - Fri, 28 Aug

8:00 p.m. - 9:40 a.m.

YUL

SEA

16h 40m

1 stop

7:35 p.m. - 7:05 a.m.

SEA

YUL

8h 30m

1 stop

C$ 515WestJet

Tue, 8 Sep - Fri, 11 Sep

5:30 p.m. - 6:45 p.m.

YUL

SEA

28h 15m

1 stop

7:35 p.m. - 7:05 a.m.

SEA

YUL

8h 30m

1 stop

C$ 517WestJet

Fri, 18 Sep - Sun, 27 Sep

8:00 p.m. - 6:45 p.m.

YUL

SEA

25h 45m

1 stop

7:35 p.m. - 7:05 a.m.

SEA

YUL

8h 30m

1 stop

C$ 518WestJet

Thu, 1 Oct - Fri, 9 Oct

8:00 p.m. - 9:40 a.m.

YUL

SEA

16h 40m

1 stop

7:35 p.m. - 7:05 a.m.

SEA

YUL

8h 30m

1 stop

C$ 519WestJet

Mon, 28 Sep - Wed, 30 Sep

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

YUL

SEA

15h 00m

2 stops

7:35 p.m. - 4:45 p.m.

SEA

YUL

18h 10m

2 stops

C$ 522WestJet

Thu, 24 Sep - Sun, 27 Sep

6:45 a.m. - 2:20 p.m.

YUL

SEA

34h 35m

2 stops

3:10 p.m. - 2:12 p.m.

SEA

YUL

20h 02m

1 stop

C$ 524WestJet

Wed, 28 Oct - Sun, 1 Nov

5:30 p.m. - 9:40 a.m.

YUL

SEA

19h 10m

1 stop

7:35 p.m. - 7:05 a.m.

SEA

YUL

8h 30m

1 stop

C$ 528WestJet

Tue, 1 Sep - Fri, 11 Sep

4:12 p.m. - 10:56 p.m.

YQB

SEA

9h 44m

1 stop

3:47 p.m. - 2:53 p.m.

SEA

YQB

20h 06m

1 stop

C$ 667American Airlines

Tue, 4 Aug - Fri, 14 Aug

4:12 p.m. - 9:29 a.m.

YQB

SEA

20h 17m

2 stops

3:47 p.m. - 2:53 p.m.

SEA

YQB

20h 06m

1 stop

C$ 673American Airlines

Tue, 4 Aug - Fri, 14 Aug

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WestJet flights from Quebec to Seattle

Our best WestJet deals on Quebec to Seattle flight tickets

WestJet

20 Aug

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

15h 00m

2 stops

SEA6:45 p.m.Seattle/Tacoma Intl

28 Aug

SEA7:35 p.m.Seattle/Tacoma Intl

8h 30m

1 stop

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

C$ 512

WestJet

8 Sep

YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl

16h 40m

1 stop

SEA9:40 a.m.Seattle/Tacoma Intl

11 Sep

SEA7:35 p.m.Seattle/Tacoma Intl

8h 30m

1 stop

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

C$ 515

WestJet

18 Sep

YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl

28h 15m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

27 Sep

SEA7:35 p.m.Seattle/Tacoma Intl

8h 30m

1 stop

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

C$ 517

Delta flights from Quebec to Seattle

Our best Delta deals on Quebec to Seattle flight tickets

Delta

11 Jul

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

12h 43m

1 stop

SEA4:43 p.m.Seattle/Tacoma Intl

23 Jul

SEA7:20 a.m.Seattle/Tacoma Intl

13h 32m

1 stop

YUL11:52 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 545

Delta

22 Aug

YUL12:47 p.m.Montreal Pierre Elliott Trudeau Intl

12h 18m

1 stop

SEA10:05 p.m.Seattle/Tacoma Intl

31 Aug

SEA9:10 a.m.Seattle/Tacoma Intl

11h 42m

1 stop

YUL11:52 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 556

Delta

29 Aug

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

12h 00m

1 stop

SEA4:00 p.m.Seattle/Tacoma Intl

6 Sep

SEA9:53 a.m.Seattle/Tacoma Intl

10h 37m

1 stop

YUL11:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 559

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

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

2 stops15h 00m

Seattle/Tacoma Intl

Fri 28/8

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 512

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

8:00 p.m.-9:40 a.m.

1 stop16h 40m

Seattle/Tacoma Intl

Fri 11/9

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 515

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

5:30 p.m.-6:45 p.m.

1 stop28h 15m

Seattle/Tacoma Intl

Sun 27/9

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 517

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

8:00 p.m.-6:45 p.m.

1 stop25h 45m

Seattle/Tacoma Intl

Fri 9/10

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 518

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

8:00 p.m.-9:40 a.m.

1 stop16h 40m

Seattle/Tacoma Intl

Wed 30/9

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 519

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

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

2 stops15h 00m

Seattle/Tacoma Intl

Sun 27/9

7:35 p.m.-4:45 p.m.

2 stops18h 10m

C$ 522

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

6:45 a.m.-2:20 p.m.

2 stops34h 35m

Seattle/Tacoma Intl

Sun 1/11

3:10 p.m.-2:12 p.m.

1 stop20h 02m

C$ 524

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

5:30 p.m.-9:40 a.m.

1 stop19h 10m

Seattle/Tacoma Intl

Fri 11/9

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 528

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 4/8

4:12 p.m.-10:56 p.m.

1 stop9h 44m

Seattle/Tacoma Intl

Fri 14/8

3:47 p.m.-2:53 p.m.

1 stop20h 06m

C$ 667

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 4/8

4:12 p.m.-9:29 a.m.

2 stops20h 17m

Seattle/Tacoma Intl

Fri 14/8

3:47 p.m.-2:53 p.m.

1 stop20h 06m

C$ 673

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 Quebec to Seattle

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 Seattle?

If you aren’t able to travel to Seattle during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 288.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Wednesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 597. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 811. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest Quebec to Seattle/Tacoma Intl flight route?

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

How far in advance should I book a flight from Quebec to Seattle?

You are more likely to see cheaper flights to Seattle from Quebec when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 712 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Quebec for as low as C$ 431 on momondo.

What cabin class options are available on Quebec to Seattle flights?

There is only 1 cabin class available to choose from on Quebec to Seattle 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 Quebec to Seattle flights?

You could potentially save up to 9% on your flight if you consider stops on a Quebec to Seattle flight.

Cheap Quebec to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Quebec to Seattle

Fastest flight time	8h 25m
Direct flights	None

The fastest flight from Quebec to Seattle takes 8h 25m

There are no direct flights from Quebec to Seattle. There are no popular flight routes from Quebec to Seattle.

Search flight deals

Frequently asked questions about flying from Quebec to Seattle

When did momondo last update prices for flights from Quebec to Seattle/Tacoma Intl Airport?
Prices for flights from Quebec to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Quebec to Seattle/Tacoma Intl Airport?
As of June 2026, there are 4 operators available to choose from for flights from Quebec to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Quebec to Seattle/Tacoma Intl 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 Quebec to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Quebec to Seattle?
Based on momondo bookings for flights between Quebec and Seattle, the leading plane model is Airbus A220-300, making up 66.67% of the total bookings. Other popular models include Boeing 737 MAX 8 with 16.67% and Boeing 737 MAX 9 with 16.67%.

Best airlines flying from Quebec to Seattle

Compare and see reviews for airlines that fly from Quebec to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 289	Free Cancellation	Rating 7.8 8,454 reviews	Search Delta flights
WestJet	PriceFrom C$ 420	Free Cancellation	Rating 7.2 3,385 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 455	Free Cancellation	Rating 7.1 11,269 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 510	Free Cancellation	Rating 7.4 9,895 reviews	Search United Airlines flights

Lynnwood

Leavenworth

Redmond

Kirkland

SeaTac

Marysville

Tacoma

Woodinville

Puyallup

Tukwila

Olympia

Ocean Shores

Ellensburg

Federal Way

Bainbridge Island

Gig Harbor

Renton

Shoreline

Kent

Edmonds

Why use momondo?

Why should I use momondo to find a flight deal from Quebec to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Quebec to Seattle . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Quebec to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Quebec to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Quebec to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Quebec to Seattle.

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

Price alerts on flights to Seattle from Quebec 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.

An easier way to manage your Seattle trip

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Airports servicing Washington

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Cheap flights from Quebec to Seattle from C$ 284

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Quebec to Seattle departing on 18/9. 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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WestJet flights from Quebec to Seattle

Our best WestJet deals on Quebec to Seattle flight tickets

Delta flights from Quebec to Seattle

Our best Delta deals on Quebec to Seattle flight tickets

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

See travel insights to Seattle from

How to get the cheapest flight ticket from Quebec to Seattle

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest Quebec to Seattle/Tacoma Intl flight route?

How far in advance should I book a flight from Quebec to Seattle?

What cabin class options are available on Quebec to Seattle flights?

Can stopping save me money on Quebec to Seattle flights?

What is the cheapest airline that flies from Quebec to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

How long does it take to fly to Seattle?

Cheap Quebec to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Quebec to Seattle

Fastest flight time

Direct flights

Frequently asked questions about flying from Quebec to Seattle

Best airlines flying from Quebec to Seattle

Compare and see reviews for airlines that fly from Quebec to Seattle with momondo

Travelling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle 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 the United States

Airports servicing Washington

Fly your favourite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

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

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According to popular flight searches on momondo this year

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