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Dulles Intl

$146+ Cheap flights from Quebec to Dulles Intl (IAD)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
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Cheap flight deals from Quebec to Dulles Intl

Cheapest flights from Quebec to Dulles Intl
Explore the most affordable flight options available from Quebec to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.

This Trip.com deal was found by Cheapflights users on 3/18. 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 4/105:50 pm
YUL
-
IAD
Nonstop1h 50m
Air Canada
Mon 4/139:55 am
IAD
-
YUL
Nonstop1h 43m
Air Canada
Deal found 3/18$258
This Trip.com deal was found by Cheapflights users on 3/17. 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.
Mon 5/185:00 pm
YUL
-
IAD
Nonstop1h 58m
Air Canada
Sat 5/233:45 pm
IAD
-
YUL
Nonstop1h 53m
Air Canada
Deal found 3/17$261
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Mon 4/276:50 am
YUL
-
IAD
1 stop4h 04m
Porter Airlines
Tue 4/2811:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Deal found 3/18$263
This Air Canada deal was found by Cheapflights users on 3/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:50 pm
YUL
-
IAD
Nonstop1h 50m
Air Canada
Wed 5/279:45 am
IAD
-
YUL
Nonstop1h 48m
Air Canada
Deal found 3/17$264
This Air Canada deal was found by Cheapflights users on 3/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:00 pm
YUL
-
IAD
Nonstop1h 58m
Air Canada
Sat 5/93:45 pm
IAD
-
YUL
Nonstop1h 53m
Air Canada
Deal found 3/18$265
This Air Canada deal was found by Cheapflights users on 3/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:00 pm
YUL
-
IAD
Nonstop1h 58m
Air Canada
Tue 5/263:45 pm
IAD
-
YUL
Nonstop1h 53m
Air Canada
Deal found 3/16$268
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/236:50 am
YUL
-
IAD
1 stop4h 04m
Porter Airlines
Fri 5/111:30 am
IAD
-
YUL
1 stop5h 45m
Porter Airlines
Deal found 3/18$273
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Fri 4/241:20 pm
YUL
-
IAD
1 stop3h 54m
Porter Airlines
Mon 4/2711:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Deal found 3/18$274
This FlightHub deal was found by Cheapflights users on 3/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:50 am
YUL
-
IAD
1 stop4h 04m
Porter Airlines
Wed 5/274:05 pm
IAD
-
YUL
1 stop6h 05m
Porter Airlines
Deal found 3/17$275
This Trip.com deal was found by Cheapflights users on 3/18. 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 4/101:20 pm
YUL
-
IAD
1 stop3h 54m
Porter Airlines
Mon 4/1311:40 am
IAD
-
YUL
1 stop6h 05m
Porter Airlines
Deal found 3/18$276
This Air Canada deal was found by Cheapflights users on 3/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:50 pm
YUL
-
IAD
Nonstop1h 50m
Air Canada
Tue 4/289:00 am
IAD
-
YUL
1 stop4h 21m
Air Canada
Deal found 3/16$277
This Trip.com deal was found by Cheapflights users on 3/16. 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.
Mon 4/136:50 am
YUL
-
IAD
1 stop4h 04m
Porter Airlines
Mon 4/2011:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Deal found 3/16$278

Find flight deals from Quebec to Dulles Intl

Keep the following information in mind while searching for Quebec to Dulles Intl flight deals. Data was last updated March 18, 2026.

Round-trip from

$258
(Trip.com)

One-way from

$146
(SmartFares)

Popular in

March

Cheapest in

October

Average price

$395

Good round-trip deal

$329 or less

Good one-way deal

$221 or less
From Quebec to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Quebec to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($33 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 March 2026
Search Deals
Price to beat on a round-trip flight from Quebec to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Quebec to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quebec to Dulles Intl 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 March 18, 2026.
Use the filters below to find and compare flights from Quebec to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

7:00 am-4:31 pm

1 stop9h 31m

Washington, D.C. Dulles Intl

Sun 4/19

6:00 am-11:36 am

1 stop5h 36m

$293

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

12:55 pm-8:52 pm

2 stops7h 57m

Washington, D.C. Dulles Intl

Sat 4/18

12:35 pm-11:26 pm

1 stop10h 51m

$293

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

7:00 am-5:57 pm

1 stop10h 57m

Washington, D.C. Dulles Intl

Sat 4/18

12:35 pm-11:26 pm

1 stop10h 51m

$293

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 4/10

1:20 pm-5:14 pm

1 stop3h 54m

Washington, D.C. Dulles Intl

Sun 4/12

6:00 pm-10:45 pm

1 stop4h 45m

$295

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 5/23

7:00 am-4:33 pm

1 stop9h 33m

Washington, D.C. Dulles Intl

Sat 6/6

3:08 pm-11:57 pm

1 stop8h 49m

$296

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 4/10

5:50 pm-7:40 pm

Nonstop1h 50m

Washington, D.C. Dulles Intl

Sun 4/12

9:55 am-11:38 am

Nonstop1h 43m

$307

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 4/8

6:00 am-11:32 am

1 stop5h 32m

Washington, D.C. Dulles Intl

Mon 4/20

6:00 am-6:51 pm

2 stops12h 51m

$333

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

9:30 am-6:19 pm

2 stops8h 49m

Washington, D.C. Dulles Intl

Sat 4/18

6:00 am-11:36 am

1 stop5h 36m

$333

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

12:55 pm-8:52 pm

2 stops7h 57m

Washington, D.C. Dulles Intl

Tue 4/21

6:00 am-11:36 am

1 stop5h 36m

$333

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 5/2

5:50 pm-11:25 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Sun 5/3

8:15 am-10:03 am

Nonstop1h 48m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from Quebec to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Quebec 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 Quebec to Washington, D.C. Dulles Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Quebec to Washington, D.C. Dulles Intl Airport (average of $181). Flying from Quebec to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $292). 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 QC to IAD?

Find hourly flight availability from Quebec to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 18, 2026.

A simple way to save on the total cost of your ticket is to fly from Quebec to Washington, D.C. Dulles Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 54% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Quebec to Dulles Intl. Price data was last updated on March 14, 2026.

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

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

Explore weekly flight availability from Quebec to Dulles Intl. 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 March 18, 2026.

The most flights from CAQC to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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

Related info for your journey

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

    For as low as $295, Delta can have you in Washington, D.C. Dulles Intl Airport from Quebec in 3h 54m. Quebec and Washington, D.C. Dulles Intl Airport are separated by a distance of 488 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Quebec to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Quebec to Washington, D.C. Dulles Intl Airport are Porter Airlines ($134), Air Canada ($139), and United Airlines ($148).

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

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

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

    No one likes to see their flight delayed. When booking a flight from Quebec to Washington, D.C. Dulles Intl Airport consider choosing Republic Airways (80%), Copa Airlines (80%) or Avianca (78%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $179. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for $236 on average, our data indicates $452 when flying from Quebec to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Quebec to Washington, D.C. Dulles Intl Airport (average of $181). Flying from Quebec to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $292). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Quebec to Dulles Intl

Discover the top 3 airlines that operate flights from Quebec to Dulles Intl. 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 March 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$197Average$306FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$220Average$311FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$246Average$436FlexibilityNo cancel feeOn-time69%

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