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Cheap flights from Seattle to Quebec from C$ 220

SEA — YUL
22 Oct — 29 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Quebec

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Quebec

Tue 20/107:35 p.m. -
1 stop8h 30m
Fri 23/108:00 p.m. -
1 stop25h 45m
Deal found 18/9C$ 453
Wed 21/107:35 p.m. -
1 stop8h 30m
Wed 28/106:45 a.m. -
2 stops10h 55m
Deal found 21/9C$ 456
Fri 23/107:35 p.m. -
1 stop8h 30m
Thu 29/106:45 a.m. -
2 stops34h 55m
Deal found 18/9C$ 496
Thu 22/107:35 p.m. -
1 stop8h 30m
Thu 29/105:15 p.m. -
1 stop24h 25m
Deal found 21/9C$ 502
Thu 22/107:35 p.m. -
1 stop8h 30m
Wed 28/105:34 p.m. -
1 stop10h 02m
Deal found 22/9C$ 523
Thu 22/107:35 p.m. -
1 stop8h 30m
Wed 28/107:30 a.m. -
1 stop10h 07m
Deal found 22/9C$ 526
Thu 15/107:35 p.m. -
1 stop25h 10m
Thu 22/106:45 a.m. -
2 stops15h 00m
Deal found 17/9C$ 545
Thu 22/107:35 p.m. -
1 stop8h 30m
Mon 26/106:45 a.m. -
2 stops34h 55m
Deal found 18/9C$ 549
Thu 5/119:45 p.m. -
2 stops12h 06m
Thu 12/112:00 p.m. -
1 stop10h 59m
Deal found 21/9C$ 673
Mon 19/1011:59 p.m. -
1 stop10h 45m
Wed 28/101:47 p.m. -
1 stop12h 12m
Deal found 18/9C$ 684
Tue 3/114:24 p.m. -
2 stops17h 27m
Tue 10/112:00 p.m. -
1 stop10h 59m
Deal found 20/9C$ 698
Wed 28/1011:59 p.m. -
1 stop10h 45m
Fri 30/101:47 p.m. -
1 stop12h 12m
Deal found 21/9C$ 699

Find flight deals from Seattle to Quebec

Round-trip from

C$ 453

One-way from

C$ 220

Popular in

June

Cheapest in

March

Average price

C$ 799
WestJet
  • WestJet
  • 20/10-23/10
  • 2 total stops
  • 34h 15m total
  • Seattle to Quebec
Search Deals
WestJet
  • WestJet
  • 21/10-31/12
  • 1 total stop
  • 17h 35m total
  • Seattle to Quebec
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Tue 19/1

6:00 a.m.-3:59 p.m.

1 stop6h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 276

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Mon 4/1

9:20 p.m.-11:44 a.m.

1 stop11h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 276

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Thu 5/11

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

1 stop9h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 276

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Sun 22/11

9:45 p.m.-12:23 p.m.

2 stops11h 38m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 283

SeattleQuébec City

SEA Seattle/Tacoma Intl - YQB Québec City

SEAYQB

Seattle/Tacoma Intl

Wed 28/10

9:42 p.m.-1:07 p.m.

2 stops12h 25m

Québec City

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 317

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Wed 7/10

8:25 a.m.-11:22 p.m.

1 stop11h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 350

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Mon 30/11

11:45 p.m.-11:36 a.m.

1 stop8h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 360

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Thu 5/11

2:30 p.m.-4:30 p.m.

3 stops23h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 380

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Fri 18/12

9:50 a.m.-11:33 p.m.

1 stop10h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 384

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Thu 8/10

8:25 a.m.-11:22 p.m.

1 stop11h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 384

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/9

Showing 1-10 of 33 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Quebec

What is the cheapest month to book a flight from Seattle to Quebec?

Currently, March is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 540). Flying from Seattle to Quebec in December is currently the most expensive (average of C$ 1,148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Seattle to Quebec?

Airfare is below average for this route at the moment.
Seattle to Quebec flights typically cost between C$ 774 and C$ 1,198 in October.
The cheapest round-trip price found within the last 5 days was C$ 453 on WestJet (20 Oct-23 Oct).

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

The price you pay for your flight from Seattle to Quebec may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

  • What airport do you fly from for flights from Seattle to Quebec?

    Located just 18.4 km from the city centre, Seattle/Tacoma Intl (SEA) is the airport most travellers will use when flying to Quebec from Seattle.

  • How long is the flight from Seattle to Quebec?

    A quick flight from Seattle to Quebec can take about 8h 38m. Delta provides one of the quickest options available for as low as C$ 632. Airlines will cover a distance of 3663 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Seattle to Quebec one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 135. Users have also found prices from C$ 290 and C$ 300 on Air Canada and United Airlines, respectively.

  • What are the most popular routes from Seattle to Quebec?

    The most popular flight routes from Seattle to Quebec are Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl, Seattle/Tacoma Intl - Québec City and Seattle/Tacoma Intl - Ottawa.

  • Can I find deals for flights from Seattle to Quebec that include hotel bookings?

    Yes. In addition to deals on Seattle to Quebec flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Quebec?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Quebec.

  • Can I find deals for business class flights from Seattle to Quebec?

    Yes. Cheapflights offers flight deals from Seattle to Quebec by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Quebec?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 540). Flying from Seattle to Quebec in December is currently the most expensive (average of C$ 1,148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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