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$149+ Cheap flights from Dulles Intl (IAD) to Quebec

IAD — YUL
Nov 11 — Nov 181
Wed 11/11
Wed 11/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Quebec

Cheapest flights from Dulles Intl to Quebec

Sat 11/219:55 am -
Nonstop1h 43m
Mon 11/236:25 pm -
Nonstop1h 58m
Deal found 10/8$351
Fri 10/309:55 am -
Nonstop1h 43m
Mon 11/26:25 pm -
Nonstop1h 58m
Deal found 10/9$352
Mon 10/269:55 am -
Nonstop1h 43m
Fri 10/306:25 pm -
Nonstop1h 58m
Deal found 10/8$355
Thu 11/129:55 am -
Nonstop1h 43m
Wed 11/186:25 pm -
Nonstop1h 58m
Deal found 10/12$357
Thu 11/55:20 pm -
1 stop4h 25m
Mon 11/96:25 pm -
Nonstop1h 58m
Deal found 10/8$362
Sat 11/2111:20 am -
1 stop3h 45m
Mon 11/2312:40 pm -
1 stop5h 04m
Deal found 10/9$416
Wed 10/2811:20 am -
1 stop6h 05m
Sat 10/316:45 am -
2 stops13h 26m
Deal found 10/7$422
Thu 11/511:20 am -
1 stop3h 45m
Sun 11/812:40 pm -
1 stop5h 04m
Deal found 10/8$431
Fri 12/1111:20 am -
1 stop3h 45m
Mon 12/146:45 am -
2 stops27h 22m
Deal found 10/7$444
Thu 11/1211:20 am -
1 stop6h 05m
Mon 11/1612:40 pm -
1 stop5h 04m
Deal found 10/10$452
Sat 11/2111:20 am -
1 stop3h 45m
Wed 11/256:45 am -
2 stops15h 17m
Deal found 10/7$456
Wed 11/2511:20 am -
1 stop3h 45m
Fri 11/2712:40 pm -
1 stop5h 04m
Deal found 10/7$461

Find flight deals from Dulles Intl to Quebec

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$321
(VIAZA)

One-way from

$149
(Air Canada)

Popular in

July

Cheapest in

January

Average price

$448

Good round-trip deal

$446 or less

Good one-way deal

$193 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 ($40 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 October 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

Sun 10/25

6:05 am-11:57 am

1 stop5h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$159

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Wed 10/28

3:03 pm-11:54 pm

1 stop8h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$159

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Wed 10/21

3:03 pm-11:54 pm

1 stop8h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$159

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Sun 11/1

6:25 pm-10:10 pm

1 stop3h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$181

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Sat 12/26

5:45 pm-7:48 pm

Nonstop2h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$183
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

Wed 12/23

1:19 pm-3:16 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$183

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YHU MET - Montreal Metropolitan

IADYHU

Washington, D.C. Dulles Intl

Sun 11/1

11:20 am-3:05 pm

1 stop3h 45m

MET - Montreal Metropolitan

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$187

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Wed 10/28

1:19 pm-3:16 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$189

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YHU MET - Montreal Metropolitan

IADYHU

Washington, D.C. Dulles Intl

Mon 11/23

6:25 pm-8:00 am

1 stop13h 35m

MET - Montreal Metropolitan

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$199

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YHU MET - Montreal Metropolitan

IADYHU

Washington, D.C. Dulles Intl

Sun 11/22

11:20 am-3:05 pm

1 stop3h 45m

MET - Montreal Metropolitan

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 57 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 $289). 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 32% 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 (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

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

Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Quebec flights typically cost between $386 and $570 in October.
The cheapest round-trip price found within the last 5 days was $350 on Air Canada (Oct 23-Oct 27).

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
468 reviews

Overall

8.0

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Boarding

8.2

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
468 reviews
Porter Airlines
8.0
Very good
468 reviews

Overall

8.0

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Boarding

8.2

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
7.4
Good
10,351 reviews
Porter Airlines
8.0
Very good
468 reviews

Overall

8.0

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Boarding

8.2

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
11,758 reviews
Porter Airlines
8.0
Very good
468 reviews

Overall

8.0

Entertainment

7.0

Crew

8.6

Comfort

8.0

Food

7.6

Boarding

8.2

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 3h 45m. Delta provides one of the quickest options available for as low as $483. The distance from Washington, D.C. Dulles Intl Airport to Quebec is about 498 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 Sun Country Air (100%), Avianca (79%) or Copa Airlines (79%) 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 $1,451 for a flight from Washington, D.C. Dulles Intl Airport to Quebec. The cheapest flight overall is $136 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at $331.

  • 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 $289). 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$332FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$137Average$633FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$244Average$752FlexibilityNo cancel feeOn-time69%

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