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Cheap flights from Washington to Quebec from C$ 255

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
15 Jul — 22 Jul1
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 15 June 2026.

Sat 5/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
Multiple Airlines
Sat 12/91:10 p.m.
YUL
-
SEA
2 stops10h 54m
Multiple Airlines
Deal found 12/6C$ 543
Sun 20/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 24/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 15/6C$ 545
Sun 27/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Fri 9/106:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 13/6C$ 561
Sat 29/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 7/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 10/6C$ 562
Fri 3/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 9/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 10/6C$ 564
Mon 13/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
Multiple Airlines
Tue 21/710:40 a.m.
YUL
-
SEA
2 stops13h 27m
Multiple Airlines
Deal found 10/6C$ 566
Mon 13/73:00 p.m.
SEA
-
YUL
2 stops13h 10m
Air Canada
Tue 21/710:40 a.m.
YUL
-
SEA
2 stops13h 27m
Air Canada
Deal found 10/6C$ 568
Mon 24/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 8/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 13/6C$ 571
Sun 13/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Fri 18/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 12/6C$ 572
Wed 8/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 14/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 12/6C$ 573
Wed 30/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 12/106:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 13/6C$ 575
Sat 22/82:30 p.m.
PDX
-
YUL
1 stop13h 35m
WestJet
Sat 29/87:15 a.m.
YUL
-
PDX
1 stop9h 35m
WestJet
Deal found 10/6C$ 587

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 15 June 2026.

Round-trip from

C$ 543

One-way from

C$ 255

Popular in

December

Cheapest in

March

Average price

C$ 990
Air Canada
  • Air Canada
  • 5/9-12/9
  • 3 total stops
  • 19h 24m total
  • Washington to Quebec
Search Deals
WestJet
  • WestJet
  • 27/8
  • 1 total stop
  • 8h 30m total
  • Washington to Quebec
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 15 June 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

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Tue 4/8

10:40 p.m.-5:30 p.m.

1 stop15h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

7:30 a.m.-2:51 p.m.

1 stop10h 21m

C$ 626

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sat 4/7

10:40 p.m.-10:40 a.m.

1 stop9h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

6:35 p.m.-12:50 a.m.

1 stop9h 15m

C$ 626

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 8/7

10:40 p.m.-5:30 p.m.

1 stop15h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

6:35 p.m.-12:50 a.m.

1 stop9h 15m

C$ 626

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sat 25/7

10:40 p.m.-10:40 a.m.

1 stop9h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 29/7

6:35 p.m.-12:50 a.m.

1 stop9h 15m

C$ 626

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 23/9

7:00 a.m.-5:30 p.m.

1 stop7h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

9:30 p.m.-9:52 a.m.

1 stop15h 22m

C$ 638

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sat 15/8

3:43 p.m.-8:16 a.m.

1 stop13h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

9:45 a.m.-10:52 p.m.

1 stop16h 07m

C$ 640

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Thu 13/8

3:43 p.m.-8:16 a.m.

1 stop13h 33m

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

4:55 p.m.-10:52 p.m.

1 stop8h 57m

C$ 640

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Tue 14/7

10:40 p.m.-10:40 a.m.

1 stop9h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 16/7

6:35 p.m.-9:31 a.m.

1 stop17h 56m

C$ 653

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 16/7

10:30 a.m.-7:47 p.m.

2 stops30h 17m

Ottawa

Thu 23/7

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

1 stop8h 25m

C$ 661

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sat 11/7

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

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 16/7

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

2 stops15h 00m

C$ 663

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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

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

Currently, October is the cheapest month in which you can book a flight from State of Washington to Quebec (average of C$ 196). Flying from State of Washington to Quebec in April is currently the most expensive (average of C$ 599). 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?

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 72 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.

Reviews of airlines servicing Quebec

Get insights into the airlines that provide service to Quebec. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Quebec. Reviews last updated 15 June 2026.
Check out reviews from past customers who have flown with Air Canada from Washington to Quebec to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,194 reviews
Check prices

Food

6.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,May 2026

YYJ - YUL

The pouch in front of my seat was never cleaned. The hospitality I requested wasn't there for me. Perhaps as looking at me you wouldn't think I needed it. I push myself then pay for it later. Like last night and today....... The flight had a generator problem, we had to debark the plane as there was no staff to repair it , therefore we had to wait for staff to come from Vancouver to repair it. The staff on hand though were very good at keeping us informed and making sure of any questions we had at that point. Once repaired all went well. Then just the hospitality wasn't there. When I did ask at the desk after the long walk from the plane the young person attending said baggage is just over there. Well just over there to a 30 year old and a 76 year old with mobility problems is quite different !
Air Canada
7.1
Good
11,194 reviews
Air Canada
7.1
Good
11,194 reviews
Check prices

Food

6.3

Comfort

7.1

Entertainment

6.8

Overall

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,May 2026

YYJ - YUL

The pouch in front of my seat was never cleaned. The hospitality I requested wasn't there for me. Perhaps as looking at me you wouldn't think I needed it. I push myself then pay for it later. Like last night and today....... The flight had a generator problem, we had to debark the plane as there was no staff to repair it , therefore we had to wait for staff to come from Vancouver to repair it. The staff on hand though were very good at keeping us informed and making sure of any questions we had at that point. Once repaired all went well. Then just the hospitality wasn't there. When I did ask at the desk after the long walk from the plane the young person attending said baggage is just over there. Well just over there to a 30 year old and a 76 year old with mobility problems is quite different !

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 Air Canada fly from State of Washington to Quebec in about 9h. The time it takes to get you to your destination can typically vary by up to 20m. The distance between State of Washington and Quebec is about 3742 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$ 155), Air Canada (C$ 240), and United Airlines (C$ 320).

  • 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, October is the cheapest month in which you can book a flight from State of Washington to Quebec (average of C$ 196). Flying from State of Washington to Quebec in April is currently the most expensive (average of C$ 599). 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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Alternative routes for Washington to Quebec

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

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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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