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$159+ Cheap flights from Dulles Intl (IAD) to Quebec

IAD — YUL
Dec 3 — Dec 101
Thu 12/3
Thu 12/10
1 adult, Economy
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Cheap flight deals from Dulles Intl to Quebec

Cheapest flights from Dulles Intl to Quebec

Sat 12/1211:20 am -
1 stop4h 40m
Mon 12/1410:40 am -
2 stops9h 30m
Deal found 11/2$370
Sat 12/125:20 pm -
1 stop4h 25m
Sun 12/139:10 am -
1 stop6h 35m
Deal found 10/31$373
Sat 12/129:05 am -
Nonstop1h 43m
Mon 12/1410:40 am -
2 stops9h 30m
Deal found 11/2$376
Fri 12/1811:20 am -
1 stop4h 40m
Fri 12/2510:10 am -
1 stop5h 35m
Deal found 11/2$388
Sat 11/149:55 am -
Nonstop1h 43m
Mon 11/1612:10 pm -
1 stop8h 00m
Deal found 10/31$391
Thu 12/2411:20 am -
1 stop4h 40m
Sun 12/271:40 pm -
1 stop3h 34m
Deal found 11/2$396
Fri 12/46:25 pm -
1 stop3h 46m
Sun 12/69:45 am -
1 stop8h 00m
Deal found 10/31$398
Tue 12/159:05 am -
Nonstop1h 43m
Tue 12/2210:10 am -
1 stop5h 35m
Deal found 10/31$400
Mon 11/306:25 pm -
1 stop18h 47m
Mon 12/76:00 am -
1 stop15h 50m
Deal found 10/31$573
Tue 12/1511:20 am -
1 stop25h 52m
Thu 12/245:10 pm -
1 stop17h 30m
Deal found 11/1$603
Fri 12/116:25 pm -
1 stop18h 47m
Thu 12/315:10 pm -
1 stop17h 27m
Deal found 11/1$609
Mon 12/146:25 pm -
1 stop18h 47m
Thu 12/245:10 pm -
1 stop17h 30m
Deal found 11/1$612

Find flight deals from Dulles Intl to Quebec

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$305
(Air Canada)

One-way from

$159
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$419

Good round-trip deal

$464 or less

Good one-way deal

$237 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Montreal (YMQ) flights.
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From Washington, D.C. Dulles Intl to Quebec
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One-way flight from Washington, D.C. Dulles Intl to Quebec
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Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Quebec.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Quebec.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Quebec that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 12/3

3:00 pm-11:48 pm

1 stop8h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$186

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Tue 12/15

4:30 pm-10:00 pm

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$191

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 12/17

8:07 am-5:33 pm

1 stop9h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$192

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Wed 12/2

10:11 am-5:33 pm

1 stop7h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$192

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 1/14

10:57 pm-12:30 am

3 stops25h 33m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$228
Quickest round-trip

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Sun 12/27

1:19 pm-3:16 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 2/4

5:45 pm-7:48 pm

Nonstop2h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Tue 12/22

5:45 pm-7:48 pm

Nonstop2h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Mon 11/30

1:19 pm-3:16 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Fri 12/11

1:19 pm-3:16 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Quebec

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Quebec

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Quebec?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Quebec (average of $336). Flying from Washington, D.C. Dulles Intl Airport to Quebec in September is currently the most expensive (average of $526). 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.

What is the cheapest time of day to fly from IAD to QC?

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Quebec in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Quebec

The most flights from IAD to CAQC are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Quebec?

Airfare is typical for this route at the moment.
Washington, D.C. Dulles Intl Airport to Quebec flights typically cost between $271 and $594 in January.
The cheapest round-trip price found within the last 5 days was $305 on Air Canada (Jan 7-Jan 7).

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Quebec?

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Quebec. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Quebec?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Quebec flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Quebec

Peruse reviews from past customers who have flown with Porter Airlines,United Airlines, andAir Canada from Washington, D.C. Dulles Intl Airport to Quebec to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
467 reviews

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Food

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
467 reviews
Porter Airlines
8.0
Very good
467 reviews

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Food

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.3
Good
10,460 reviews
Porter Airlines
8.0
Very good
467 reviews

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Food

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,851 reviews
Porter Airlines
8.0
Very good
467 reviews

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Food

7.6

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Related info for your journey

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Quebec?

    A quick flight from Washington, D.C. Dulles Intl Airport to Quebec can take about 2h 03m. Delta provides one of the quickest options available for as low as $519. The distance from Washington, D.C. Dulles Intl Airport to Quebec is about 488 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Quebec?

    While some choose either Washington, D.C. Dulles Intl - Québec City or Washington, D.C. Dulles Intl - Ottawa, Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl is the most popular route from Washington, D.C. Dulles Intl Airport to Quebec.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Quebec?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Quebec consider choosing Avianca (84%), Copa Airlines (84%) or Republic Airways (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Quebec?

    On average you can expect to pay $1,056 for a flight from Washington, D.C. Dulles Intl Airport to Quebec. The cheapest flight overall is $139 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at $359.

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

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

  • How can I find direct flights from Dulles Intl to Quebec?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Quebec?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Quebec (average of $336). Flying from Washington, D.C. Dulles Intl Airport to Quebec in September is currently the most expensive (average of $526). 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

Top 3 airlines flying from Dulles Intl to Quebec

AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$115Average$322FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$144Average$671FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$283Average$766FlexibilityNo cancel feeOn-time69%

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