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Cheap flights from Washington to Quebec from C$ 162

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
1 Jun — 8 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Quebec

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Quebec
Explore the most affordable flight options available from Washington to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 May 2026.

Tue 4/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Fri 7/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 28/4C$ 383
Tue 11/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 18/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 29/4C$ 384
Tue 4/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 10/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 28/4C$ 394
Wed 19/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Sat 5/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 1/5C$ 396
Fri 14/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 18/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 1/5C$ 399
Mon 24/82:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Mon 31/87:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 30/4C$ 401
Tue 14/72:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Fri 24/77:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 28/4C$ 403
Mon 31/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 10/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 1/5C$ 406
Wed 1/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 8/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 28/4C$ 411
Tue 4/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 11/88:00 p.m.
YUL
-
SEA
1 stop16h 40m
WestJet
Deal found 28/4C$ 413
Wed 9/92:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Sat 12/97:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 1/5C$ 414
Tue 11/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 19/87:15 a.m.
YUL
-
SEA
1 stop14h 30m
WestJet
Deal found 29/4C$ 416

Find flight deals from Washington to Quebec

Keep the following information in mind while searching for Washington to Quebec flight deals. Data was last updated 2 May 2026.

Round-trip from

C$ 401

One-way from

C$ 162

Popular in

December

Cheapest in

March

Average price

C$ 979
WestJet
  • WestJet
  • 12/8-18/8
  • 2 total stops
  • 23h 10m total
  • Washington to Quebec
Search Deals
WestJet
  • WestJet
  • 16/7
  • 1 total stop
  • 8h 30m total
  • Washington to Quebec
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Quebec that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 2 May 2026.
Use the filters below to find and compare flights from Washington to Quebec that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sat 16/5

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

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

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

1 stop16h 40m

C$ 429

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 14/7

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

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

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

2 stops28h 00m

C$ 458

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 28/7

7:00 a.m.-11:45 p.m.

1 stop13h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 4/8

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

2 stops15h 00m

C$ 489

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 23/7

7:00 a.m.-7:20 p.m.

1 stop9h 20m

Ottawa

Sun 26/7

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

2 stops14h 50m

C$ 492

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Mon 19/10

7:15 p.m.-8:16 a.m.

1 stop10h 01m

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

6:35 p.m.-12:59 a.m.

1 stop9h 24m

C$ 498

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 13/6

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

1 stop7h 00m

Ottawa

Sat 20/6

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

2 stops14h 50m

C$ 506

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 23/5

10:30 a.m.-5:35 a.m.

1 stop16h 05m

Ottawa

Tue 2/6

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

1 stop8h 25m

C$ 524

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 2/6

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

1 stop7h 00m

Ottawa

Tue 9/6

6:15 p.m.-6:45 p.m.

2 stops27h 30m

C$ 538

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Tue 14/7

5:30 a.m.-11:25 p.m.

2 stops14h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 18/7

9:30 a.m.-8:15 p.m.

2 stops13h 45m

C$ 539

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Tue 7/7

12:33 a.m.-5:42 p.m.

2 stops14h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

12:47 p.m.-11:44 p.m.

2 stops13h 57m

C$ 539

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from State of Washington to Quebec?

The best time to book flights from State of Washington to Quebec is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from State of Washington to Quebec?

Currently, June is the cheapest month in which you can book a flight from State of Washington to Quebec (average of C$ 145). Flying from State of Washington to Quebec in November is currently the most expensive (average of C$ 421). 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 State of Washington to Quebec?

Related info for your journey

Find useful and relevant information for your journey from Washington to Quebec. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Quebec?

    Airlines like WestJet, United Airlines, and Delta fly from State of Washington to Quebec in about 8h 30m. The time it takes to get you to your destination can typically vary by up to 6h 25m. The distance between State of Washington and Quebec is about 3663 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Quebec one-way?

    The cheapest airlines for a one-way flight from State of Washington to Quebec are WestJet (C$ 151), Air Canada (C$ 233), and United Airlines (C$ 311).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Quebec?

    Currently, June is the cheapest month in which you can book a flight from State of Washington to Quebec (average of C$ 145). Flying from State of Washington to Quebec in November is currently the most expensive (average of C$ 421). 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

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington to Quebec?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington to Quebec. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington to Quebec?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Washington to Quebec for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Washington to Quebec with no change fees?

Need flexible booking options for your flight to Quebec from Washington? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington to Quebec become cheaper?

Yes, Cheapflights offers price alerts on Washington to Quebec flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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