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Dulles Intl

$147+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/316:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Wed 1/711:35 amIAD - YUL
1 stop6h 10mPorter Airlines
Deal found 12/14$298
This Trip.com deal was found by Cheapflights users on 12/15. 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 12/226:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Mon 1/511:35 amIAD - YUL
1 stop4h 55mPorter Airlines
Deal found 12/15$307
This Trip.com deal was found by Cheapflights users on 12/14. 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 12/226:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Tue 12/306:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Deal found 12/14$308
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/306:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Wed 1/711:35 amIAD - YUL
1 stop6h 10mPorter Airlines
Deal found 12/14$311
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/211:40 pmYUL - IAD
1 stop3h 34mPorter Airlines
Fri 1/211:35 amIAD - YUL
1 stop4h 55mPorter Airlines
Deal found 12/14$321
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/316:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Sun 1/1111:35 amIAD - YUL
1 stop4h 55mPorter Airlines
Deal found 12/14$323
This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Mon 1/511:35 amIAD - YUL
1 stop6h 10mPorter Airlines
Deal found 12/17$329
This Trip.com deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Fri 1/211:35 amIAD - YUL
1 stop4h 55mPorter Airlines
Deal found 12/15$330
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/226:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Fri 1/211:35 amIAD - YUL
1 stop4h 55mPorter Airlines
Deal found 12/14$338
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/296:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Fri 1/211:35 amIAD - YUL
1 stop4h 55mPorter Airlines
Deal found 12/15$342
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/306:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Sun 1/1111:35 amIAD - YUL
1 stop4h 55mPorter Airlines
Deal found 12/14$343
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:30 amYOW - IAD
1 stop11h 33mMultiple Airlines
Fri 1/211:35 amIAD - YOW
1 stop3h 29mMultiple Airlines
Deal found 12/16$460

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 December 18, 2025.

Round-trip from

$243
(Kiwi.com)

One-way from

$147
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$394

Good round-trip deal

$327 or less

Good one-way deal

$263 or less
From Quebec to Washington, D.C. Dulles Intl
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One-way flight from Quebec to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
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 December 2025
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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.
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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 December 18, 2025.
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

Quebec

Fly to

Dulles Intl

Route

Depart

Return

Price

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

11:25 am-5:14 pm

1 stop5h 49m

Washington, D.C. Dulles Intl

Mon 3/9

11:40 am-4:30 pm

1 stop4h 50m

$265

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 1/30

4:10 pm-8:26 pm

1 stop4h 16m

Washington, D.C. Dulles Intl

Fri 2/6

11:40 am-4:30 pm

1 stop4h 50m

$271

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 1/17

9:45 am-11:49 am

Nonstop2h 04m

Washington, D.C. Dulles Intl

Sun 1/25

5:10 pm-6:52 pm

Nonstop1h 42m

$276

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 1/26

7:27 pm-9:25 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Thu 2/5

8:20 am-5:12 pm

1 stop8h 52m

$299

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 1/26

7:00 am-10:19 am

1 stop3h 19m

Washington, D.C. Dulles Intl

Thu 2/5

11:40 am-3:04 pm

1 stop3h 24m

$299

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 1/16

9:45 am-11:49 am

Nonstop2h 04m

Washington, D.C. Dulles Intl

Fri 1/23

8:29 am-1:32 pm

1 stop5h 03m

$299

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 1/26

7:00 am-10:19 am

1 stop3h 19m

Washington, D.C. Dulles Intl

Thu 1/29

11:35 am-3:04 pm

1 stop3h 29m

$299

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 2/3

9:45 am-11:49 am

Nonstop2h 04m

Washington, D.C. Dulles Intl

Mon 2/9

5:38 pm-9:56 pm

1 stop4h 18m

$299

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 1/26

7:27 pm-9:25 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Thu 1/29

8:20 am-5:12 pm

1 stop8h 52m

$299

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 1/9

7:27 pm-9:25 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sat 1/10

8:20 am-4:30 pm

2 stops8h 10m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 55 results
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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, March is the cheapest month in which you can book a flight from Quebec to Washington, D.C. Dulles Intl Airport (average of $158). Flying from Quebec to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $256). 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 December 18, 2025.

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 46% on your trip compared to booking a flight in the evening.

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 December 16, 2024.

Travelers seeking maximum savings on their Quebec to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday 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 December 18, 2025.

The most flights from CAQC to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 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 $276, Porter Airlines can have you in Washington, D.C. Dulles Intl Airport from Quebec in 2h 04m. Quebec and Washington, D.C. Dulles Intl Airport are separated by a distance of 449 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 Copa Airlines (89%), Avianca (85%) or Republic Airways (85%) 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 $195. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for $217 on average, our data indicates $416 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, March is the cheapest month in which you can book a flight from Quebec to Washington, D.C. Dulles Intl Airport (average of $158). Flying from Quebec to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $256). 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
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Quebec to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Reagan-National flights
Pearson Intl to Dulles Intl flights
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Pierre Elliott Trudeau Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
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Vancouver Intl to Reagan-National flights
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Pierre Elliott Trudeau Intl to Baltimore flights
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Toronto Island to Reagan-National flights
Toronto Island to Baltimore flights
Ottawa to Reagan-National flights
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Edmonton to Reagan-National flights
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Halifax to Reagan-National flights
Edmonton to Baltimore flights
Ottawa to Baltimore flights
Calgary to Baltimore flights
Winnipeg to Reagan-National flights
Halifax to Baltimore flights
Winnipeg to Baltimore flights
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Québec City to Reagan-National flights
Québec City to Baltimore flights
Québec City to Dulles Intl flights
Victoria to Baltimore flights
London to Reagan-National flights
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London to Baltimore flights
London to Dulles Intl flights
Kelowna to Dulles Intl flights
Saskatoon to Baltimore flights
Saskatoon to Reagan-National flights
Deer Lake to Baltimore flights
Fort McMurray to Reagan-National flights
St. John's to Dulles Intl flights
St. John's to Reagan-National flights
St. John's to Baltimore flights
Victoria to Dulles Intl flights
Victoria to Reagan-National flights
Kamloops to Baltimore flights
Regina to Baltimore flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$197Average$318FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$220Average$299FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$246Average$481FlexibilityNo cancel feeOn-time69%

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