Dulles Intl

$168+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
12月 2 — 12月 91
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Find 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 11月 2, 2025.

This Trip.com deal was found by Cheapflights users on 11/1. 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.
土 11/158:55 amYUL - IAD
1 stop3h 34mPorter Airlines
日 11/166:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Deal found 11/1$244
This SmartFares deal was found by Cheapflights users on 10/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
金 12/127:00 pmYUL - IAD
Nonstop1h 59mAir Canada
日 12/149:45 amIAD - YUL
Nonstop1h 53mAir Canada
Deal found 10/31$255
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
金 11/286:45 amYUL - IAD
1 stop3h 39mPorter Airlines
金 12/1911:40 amIAD - YUL
1 stop3h 40mPorter Airlines
Deal found 10/31$259
This Porter Airlines deal was found by Cheapflights users on 11/1. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
金 11/216:45 amYUL - IAD
1 stop3h 39mPorter Airlines
火 11/256:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Deal found 11/1$262
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
水 12/101:40 pmYUL - IAD
1 stop3h 34mPorter Airlines
土 1/36:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Deal found 11/2$281
This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
木 11/207:00 pmYUL - IAD
Nonstop1h 54mAir Canada
土 11/299:45 amIAD - YUL
Nonstop1h 45mAir Canada
Deal found 11/2$282
This Trip.com deal was found by Cheapflights users on 11/2. 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.
月 12/11:40 pmYUL - IAD
1 stop3h 34mPorter Airlines
月 12/86:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Deal found 11/2$285
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
木 11/201:40 pmYUL - IAD
1 stop3h 34mPorter Airlines
木 11/2711:40 amIAD - YUL
1 stop3h 40mPorter Airlines
Deal found 11/2$286
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
木 11/2712:10 pmYOW - IAD
1 stop5h 04mPorter Airlines
土 12/61:45 pmIAD - YOW
1 stop3h 44mPorter Airlines
Deal found 10/31$288
This Trip.com deal was found by Cheapflights users on 11/1. 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.
土 11/158:55 amYUL - IAD
1 stop3h 34mMultiple Airlines
日 11/169:45 amIAD - YUL
Nonstop1h 45mMultiple Airlines
Deal found 11/1$288
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
火 12/27:00 pmYUL - IAD
Nonstop1h 59mMultiple Airlines
木 12/411:40 amIAD - YUL
1 stop3h 40mMultiple Airlines
Deal found 11/2$289
This Trip.com deal was found by Cheapflights users on 11/1. 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.
日 11/2312:10 pmYOW - IAD
1 stop5h 04mPorter Airlines
水 11/266:30 pmIAD - YOW
1 stop3h 59mPorter Airlines
Deal found 11/1$291

Cheap 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 11月 2, 2025.

Round-trip from

$244
(Trip.com)

One-way from

$168
(Air Canada)

Popular in

June

Cheapest in

May

Average price

$327

Good round-trip deal

$355 or less

Good one-way deal

$262 or less
From Quebec to Washington, D.C. Dulles Intl
One-way flight from Quebec to Washington, D.C. Dulles Intl
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Quebec to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Quebec to Washington, D.C. Dulles Intl.

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 11月 2, 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

金 11/21

6:45 am-10:24 am

1 stop3h 39m

Washington, D.C. Dulles Intl

火 11/25

6:30 pm-10:45 pm

1 stop4h 15m

$262

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

金 12/12

11:25 am-5:14 pm

1 stop5h 49m

Washington, D.C. Dulles Intl

日 1/4

6:30 pm-10:45 pm

1 stop4h 15m

$281

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

木 11/20

7:00 pm-8:54 pm

Nonstop1h 54m

Washington, D.C. Dulles Intl

金 11/28

9:45 am-11:30 am

Nonstop1h 45m

$282

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

木 11/20

7:00 pm-8:54 pm

Nonstop1h 54m

Washington, D.C. Dulles Intl

土 11/29

9:45 am-11:30 am

Nonstop1h 45m

$282

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

土 11/15

8:55 am-12:29 pm

1 stop3h 34m

Washington, D.C. Dulles Intl

日 11/16

9:45 am-11:30 am

Nonstop1h 45m

$288

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

月 12/22

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

金 12/26

11:40 am-5:29 pm

1 stop5h 49m

$293

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

火 12/23

1:40 pm-5:14 pm

1 stop3h 34m

Washington, D.C. Dulles Intl

日 12/28

11:40 am-3:20 pm

1 stop3h 40m

$293

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

木 11/20

7:00 pm-8:54 pm

Nonstop1h 54m

Washington, D.C. Dulles Intl

木 11/27

9:00 am-2:22 pm

1 stop5h 22m

$294

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

金 11/21

7:00 pm-8:54 pm

Nonstop1h 54m

Washington, D.C. Dulles Intl

日 11/23

9:00 am-2:23 pm

1 stop5h 23m

$294

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

水 12/3

9:35 am-6:21 pm

2 stops8h 46m

Washington, D.C. Dulles Intl

金 12/5

5:59 pm-11:59 pm

1 stop6h 00m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 47 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 December is currently the most expensive (average of $278). 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 11月 2, 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 50% 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 Friday 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 11月 2, 2025.

The most flights from CAQC to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 $282, Porter Airlines can have you in Washington, D.C. Dulles Intl Airport from Quebec in 1h 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 Air Canada ($168), Porter Airlines ($176), and United Airlines ($334).

  • What are the most popular routes 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 Avianca (93%), Republic Airways (93%) or Copa Airlines (81%) 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 $137. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for $214 on average, our data indicates $586 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 December is currently the most expensive (average of $278). 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
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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.

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 11月 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$197Average$318FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$220Average$296FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$246Average$479FlexibilityNo cancel feeOn-time69%

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