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$140+ Cheap flights from Dulles Intl (IAD) to Quebec

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YUL
Sep 4 — Sep 111
Fri 9/4
Fri 9/11
1 adult, Economy
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Cheap flight deals from Dulles Intl to Quebec

Cheapest flights from Dulles Intl to Quebec
Explore the most affordable flight options available from Dulles Intl to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.

This Trip.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:50 pm -
1 stop5h 54m
Fri 8/2810:40 am -
1 stop4h 30m
Deal found 8/2$316
This Trip.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:25 am -
1 stop6h 27m
Mon 9/2810:40 am -
1 stop4h 30m
Deal found 8/3$319
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:50 pm -
1 stop5h 54m
Sat 8/299:15 am -
1 stop5h 55m
Deal found 8/1$320
This Vliegwinkel deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:50 pm -
1 stop5h 22m
Sun 9/1310:35 am -
1 stop4h 35m
Deal found 8/4$321
This Trip.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:50 pm -
1 stop4h 12m
Sun 9/2710:40 am -
1 stop4h 30m
Deal found 8/4$322
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:50 pm -
1 stop5h 22m
Mon 10/59:00 am -
1 stop6h 10m
Deal found 8/4$322
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:50 pm -
1 stop4h 10m
Mon 8/316:30 am -
1 stop4h 15m
Deal found 8/1$323
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:25 am -
1 stop6h 47m
Sat 10/176:30 am -
1 stop4h 15m
Deal found 7/31$324
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:50 pm -
1 stop6h 20m
Fri 9/410:20 am -
1 stop5h 25m
Deal found 8/4$325
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:50 pm -
1 stop4h 14m
Sun 8/2310:40 am -
1 stop4h 30m
Deal found 7/31$326
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:50 pm -
1 stop6h 20m
Tue 8/256:30 am -
1 stop4h 15m
Deal found 7/31$326
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:50 pm -
1 stop4h 14m
Thu 8/2710:40 am -
1 stop4h 30m
Deal found 8/1$327

Find flight deals from Dulles Intl to Quebec

Keep the following information in mind while searching for Dulles Intl to Quebec flight deals. Data was last updated August 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$316
(Trip.com)

One-way from

$140
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$423

Good round-trip deal

$456 or less

Good one-way deal

$241 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Montreal (YMQ) flights.
Search Deals
From Washington, D.C. Dulles Intl to Quebec
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Quebec
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Quebec.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Quebec.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 2,558,603 searches. Data last updated August 5, 2026.
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

Tue 10/20

11:25 am-6:12 pm

1 stop6h 47m

Montreal Pierre Elliott Trudeau Intl

Fri 10/23

6:30 am-10:45 am

1 stop4h 15m

$389

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Tue 8/18

3:50 pm-10:10 pm

1 stop6h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

10:35 am-3:10 pm

1 stop4h 35m

$396

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Wed 9/9

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 9/13

9:15 am-11:13 am

Nonstop1h 58m

$417

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Sat 9/12

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 9/13

9:15 am-11:13 am

Nonstop1h 58m

$417

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Tue 8/18

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

9:15 am-11:13 am

Nonstop1h 58m

$418

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Sat 9/12

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 9/14

9:15 am-11:13 am

Nonstop1h 58m

$418

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Tue 10/13

5:15 pm-6:55 pm

Nonstop1h 40m

Ottawa

Fri 10/16

12:15 pm-4:38 pm

1 stop4h 23m

$423

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Thu 8/27

10:10 pm-11:54 pm

Nonstop1h 44m

Ottawa

Fri 8/28

12:15 pm-4:41 pm

1 stop4h 26m

$423

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Thu 10/1

8:15 am-9:56 am

Nonstop1h 41m

Ottawa

Sat 10/3

12:15 pm-4:38 pm

1 stop4h 23m

$423

Washington, D.C.Montreal

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

IADYUL

Washington, D.C. Dulles Intl

Tue 8/25

6:16 am-1:09 pm

1 stop6h 53m

Montreal Pierre Elliott Trudeau Intl

Sun 8/30

9:15 am-11:13 am

Nonstop1h 58m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 60 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
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, 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 December is currently the most expensive (average of $513). 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?

Find hourly flight availability from Dulles Intl to Quebec. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 5, 2026.

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 28% on the cost of your flight, compared to a flight at noon.

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

Explore weekly flight availability from Dulles Intl to Quebec. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 5, 2026.

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 $362 and $600 in September.
The cheapest round-trip price found within the last 5 days was $321 on Porter Airlines (Sep 10-Sep 13).

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?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Quebec. Price data was last updated on August 1, 2026.

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

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 August 5, 2026.
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
450 reviews

Comfort

8.0

Entertainment

6.9

Food

7.5

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
450 reviews
Porter Airlines
8.0
Very good
450 reviews

Comfort

8.0

Entertainment

6.9

Food

7.5

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,064 reviews
Porter Airlines
8.0
Very good
450 reviews

Comfort

8.0

Entertainment

6.9

Food

7.5

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,429 reviews
Porter Airlines
8.0
Very good
450 reviews

Comfort

8.0

Entertainment

6.9

Food

7.5

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Quebec?

    A quick flight from Washington, D.C. Dulles Intl Airport to Quebec can take about 2h 05m. Porter Airlines provides one of the quickest options available for as low as $417. 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 Copa Airlines (81%), Republic Airways (81%) or Avianca (80%) 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 $1,901 for a flight from Washington, D.C. Dulles Intl Airport to Quebec. The cheapest flight overall is $182 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at $315.

  • 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 December is currently the most expensive (average of $513). 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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Top 3 airlines flying from Dulles Intl to Quebec

Discover the top 3 airlines that operate flights from Dulles Intl to Quebec. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$115Average$311FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$137Average$575FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$236Average$737FlexibilityNo cancel feeOn-time69%

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