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Dulles Intl

$141+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This Jettzy deal was found by Cheapflights users on 2/3. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:50 am
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Thu 3/511:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Deal found 2/3$266
This Mytrip deal was found by Cheapflights users on 2/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/121:40 pm
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Wed 4/1511:40 am
IAD
-
YUL
1 stop6h 35m
Porter Airlines
Deal found 2/3$268
This Vliegwinkel deal was found by Cheapflights users on 2/2. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:45 am
YUL
-
IAD
1 stop3h 37m
Porter Airlines
Sun 3/16:30 pm
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Deal found 2/2$272
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Fri 2/2711:25 am
YUL
-
IAD
1 stop5h 49m
Porter Airlines
Mon 3/211:40 am
IAD
-
YUL
1 stop6h 05m
Porter Airlines
Deal found 2/2$274
This Porter Airlines deal was found by Cheapflights users on 2/2. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:55 am
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Fri 4/246:30 pm
IAD
-
YUL
1 stop4h 15m
Porter Airlines
Deal found 2/2$276
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:25 am
YUL
-
IAD
1 stop5h 49m
Porter Airlines
Tue 4/711:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Deal found 2/1$277
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Thu 2/266:45 am
YUL
-
IAD
1 stop3h 37m
Multiple Airlines
Sun 3/19:45 am
IAD
-
YUL
Nonstop1h 45m
Multiple Airlines
Deal found 2/2$282
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Thu 4/166:45 am
YUL
-
IAD
1 stop3h 39m
Multiple Airlines
Fri 4/179:55 am
IAD
-
YUL
Nonstop1h 43m
Multiple Airlines
Deal found 2/2$284
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Thu 4/235:50 pm
YUL
-
IAD
Nonstop1h 50m
Air Canada
Sun 4/269:55 am
IAD
-
YUL
Nonstop1h 43m
Air Canada
Deal found 2/2$286
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Wed 3/187:00 pm
YUL
-
IAD
Nonstop1h 54m
Multiple Airlines
Wed 3/2511:40 am
IAD
-
YUL
1 stop4h 50m
Multiple Airlines
Deal found 2/2$291
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:30 pm
YOW
-
IAD
Nonstop1h 53m
United Airlines
Tue 3/178:25 am
IAD
-
YOW
2 stops8h 47m
United Airlines
Deal found 2/1$314
This Vliegwinkel deal was found by Cheapflights users on 2/3. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:50 am
YOW
-
IAD
1 stop3h 32m
Porter Airlines
Mon 3/211:40 am
IAD
-
YOW
1 stop5h 04m
Porter Airlines
Deal found 2/3$316

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 February 3, 2026.

Round-trip from

$266
(Jettzy)

One-way from

$141
(Trip.com)

Popular in

January

Cheapest in

October

Average price

$326

Good round-trip deal

$435 or less

Good one-way deal

$217 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. 6% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in February 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.
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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 February 3, 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

Quebec

Fly to

Dulles Intl

Route

Depart

Return

Price

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 4/18

8:55 am-12:29 pm

1 stop3h 34m

Washington, D.C. Dulles Intl

Fri 4/24

6:30 pm-10:45 pm

1 stop4h 15m

$276

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 4/17

6:45 am-10:24 am

1 stop3h 39m

Washington, D.C. Dulles Intl

Sun 4/19

6:30 pm-10:45 pm

1 stop4h 15m

$284

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 3/11

7:00 pm-8:54 pm

Nonstop1h 54m

Washington, D.C. Dulles Intl

Mon 3/16

9:55 am-11:40 am

Nonstop1h 45m

$306

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 4/3

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Mon 4/6

11:40 am-3:04 pm

1 stop3h 24m

$306

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 4/2

10:00 am-11:50 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Mon 4/6

5:41 pm-10:05 pm

1 stop4h 24m

$314

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 4/26

10:00 am-11:50 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Thu 4/30

8:20 am-1:59 pm

1 stop5h 39m

$314

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 4/3

6:00 am-7:50 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Mon 4/6

5:10 pm-6:55 pm

Nonstop1h 45m

$314

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 4/24

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Thu 4/30

11:40 am-5:29 pm

1 stop5h 49m

$319

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

5:50 pm-7:40 pm

Nonstop1h 50m

Washington, D.C. Dulles Intl

Sun 4/12

9:00 am-2:21 pm

1 stop5h 21m

$320

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

4:10 pm-8:29 pm

1 stop4h 19m

Washington, D.C. Dulles Intl

Tue 4/21

9:55 am-11:38 am

Nonstop1h 43m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 53 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 February 3, 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 42% 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 January 31, 2026.

Travelers seeking maximum savings on their Quebec to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday evenings 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 February 3, 2026.

The most flights from CAQC to IAD are scheduled on a Monday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

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 $314, Porter Airlines can have you in Washington, D.C. Dulles Intl Airport from Quebec in 1h 50m. 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 Republic Airways (83%), Avianca (82%) 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 $147. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for $227 on average, our data indicates $508 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Pearson Intl to Baltimore flights
Toronto Island to Dulles Intl flights
Vancouver Intl to Dulles Intl flights
Vancouver Intl to Reagan-National flights
Vancouver Intl to Baltimore flights
Ottawa to Dulles Intl flights
Pierre Elliott Trudeau Intl to Baltimore flights
Calgary to Dulles Intl flights
Toronto Island to Reagan-National flights
Calgary to Baltimore flights
Ottawa to Reagan-National flights
Calgary to Reagan-National flights
Toronto Island to Baltimore flights
Edmonton to Dulles Intl flights
Winnipeg to Dulles Intl flights
Edmonton to Baltimore flights
Ottawa to Baltimore flights
Winnipeg to Reagan-National flights
Winnipeg to Baltimore flights
Edmonton to Reagan-National flights
Halifax to Dulles Intl flights
Halifax to Reagan-National flights
Québec City to Dulles Intl flights
Halifax to Baltimore flights
Québec City to Baltimore flights
Kelowna to Reagan-National flights
Kelowna to Dulles Intl flights
Saskatoon to Baltimore flights
Victoria to Reagan-National flights
Saskatoon to Reagan-National flights
Victoria to Dulles Intl flights
Victoria to Baltimore flights
Québec City to Reagan-National flights
Regina to Baltimore flights
Kelowna to Baltimore flights
Kamloops 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
Whitehorse to Dulles Intl flights
London to Dulles Intl flights
London to Reagan-National flights
London 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$197Average$306FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$220Average$289FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$225Average$436FlexibilityNo cancel feeOn-time69%

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