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Cheap flights from Quebec to Washington, D.C. Dulles Intl Airport from C$ 213

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

C$ 341

One-way from

C$ 213

Popular in

June

Cheapest in

May

Average price

C$ 463

Good round-trip deal

C$ 744 or less

Good one-way deal

C$ 446 or less
Porter Airlines
  • Porter Airlines
  • 30/9-6/10
  • 2 total stops
  • 8h 11m total
  • Quebec to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 1/10
  • 1 total stop
  • 4h 21m total
  • Quebec to Washington, D.C.
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Quebec to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Quebec to Washington, D.C. Dulles Intl.
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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 16 September 2025.

Mon 29/98:55 a.m.YUL - IAD
1 stop6h 11mPorter Airlines
Wed 1/104:20 p.m.IAD - YUL
1 stop5h 55mPorter Airlines
Deal found 13/9C$ 341
Sat 11/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Sun 12/1011:35 a.m.IAD - YUL
1 stop6h 30mPorter Airlines
Deal found 13/9C$ 343
Thu 30/101:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Fri 31/1011:40 a.m.IAD - YUL
1 stop4h 50mPorter Airlines
Deal found 15/9C$ 347
Sat 11/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Thu 16/104:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Deal found 14/9C$ 348
Fri 24/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Mon 27/1011:40 a.m.IAD - YUL
1 stop4h 50mPorter Airlines
Deal found 15/9C$ 352
Thu 2/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Sun 5/1011:35 a.m.IAD - YUL
1 stop4h 25mPorter Airlines
Deal found 15/9C$ 354
Fri 14/116:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Sun 16/1111:40 a.m.IAD - YUL
1 stop4h 50mPorter Airlines
Deal found 14/9C$ 355
Sat 11/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Sat 18/104:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Deal found 15/9C$ 356
Wed 1/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Sun 5/1011:35 a.m.IAD - YUL
1 stop4h 25mPorter Airlines
Deal found 15/9C$ 361
Thu 23/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Tue 28/106:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Deal found 15/9C$ 362
Fri 24/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Sun 26/1011:40 a.m.IAD - YUL
1 stop4h 50mPorter Airlines
Deal found 14/9C$ 363
Sat 11/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Sun 19/104:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Deal found 15/9C$ 366

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 629,999 searches. Data last updated 16 September 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

Mon 29/9

8:55 a.m.-3:06 p.m.

1 stop6h 11m

Washington, D.C. Dulles Intl

Wed 1/10

4:20 p.m.-10:15 p.m.

1 stop5h 55m

C$ 341

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

10:45 a.m.-3:06 p.m.

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 26/10

11:40 a.m.-5:45 p.m.

1 stop6h 05m

C$ 367

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

9:15 a.m.-11:23 a.m.

Nonstop2h 08m

Washington, D.C. Dulles Intl

Sun 30/11

9:45 a.m.-11:30 a.m.

Nonstop1h 45m

C$ 370

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

7:10 p.m.-9:05 p.m.

Nonstop1h 55m

Washington, D.C. Dulles Intl

Sun 26/10

9:45 a.m.-11:38 a.m.

Nonstop1h 53m

C$ 370

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 19/10

9:35 a.m.-11:28 a.m.

Nonstop1h 53m

C$ 370

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 26/11

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

Washington, D.C. Dulles Intl

Tue 2/12

9:45 a.m.-11:38 a.m.

Nonstop1h 53m

C$ 370

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Mon 27/10

9:45 a.m.-11:38 a.m.

Nonstop1h 53m

C$ 370

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

7:10 p.m.-9:05 p.m.

Nonstop1h 55m

Washington, D.C. Dulles Intl

Mon 27/10

9:45 a.m.-11:38 a.m.

Nonstop1h 53m

C$ 372

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 2/11

8:45 a.m.-1:28 p.m.

1 stop4h 43m

C$ 383

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sat 11/10

5:12 p.m.-10:06 p.m.

1 stop4h 54m

C$ 383

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 58 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, February is the cheapest month in which you can book a flight from Quebec to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Quebec to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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 16 September 2025.

When flying from Quebec to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 16 September 2025.

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).

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?

    A quick flight from Quebec to Washington, D.C. Dulles Intl Airport can take about 1h 43m. Porter Airlines provides one of the quickest options available for as low as C$ 431. Quebec and Washington, D.C. Dulles Intl Airport are separated by a distance of 723 km. 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?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 213. Users have also found prices from C$ 268 and C$ 438 on United Airlines and Air Canada, respectively.

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

    The most popular route from Quebec to Washington, D.C. Dulles Intl Airport is Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl. You may also consider Ottawa - Washington, D.C. Dulles Intl or Québec City - Washington, D.C. Dulles Intl.

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

    The top 3 most reliable airlines when flying from Quebec to Washington, D.C. Dulles Intl Airport are Sun Country Air (100%), Avianca (87%) and Copa Airlines (86%).

  • 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 C$ 213. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for C$ 340 on average, our data indicates C$ 836 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, February is the cheapest month in which you can book a flight from Quebec to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Quebec to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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

Travelling 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
Herndon
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Winchester
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Toronto Island to Dulles Intl flights
Pearson Intl to Baltimore flights
Vancouver Intl to Dulles Intl flights
Vancouver Intl to Baltimore flights
Pierre Elliott Trudeau Intl to Baltimore flights
Vancouver Intl to Reagan-National flights
Ottawa to Dulles Intl flights
Calgary to Dulles Intl flights
Calgary to Reagan-National flights
Ottawa to Reagan-National flights
Calgary to Baltimore flights
Toronto Island to Baltimore flights
Ottawa to Baltimore flights
Winnipeg to Dulles Intl flights
Winnipeg to Reagan-National flights
Edmonton to Dulles Intl flights
Edmonton to Baltimore flights
Toronto Island to Reagan-National flights
Winnipeg to Baltimore flights
Edmonton to Reagan-National flights
Québec City to Reagan-National flights
Québec City to Dulles Intl flights
Halifax to Reagan-National flights
Halifax to Dulles Intl flights
Halifax to Baltimore flights
Kelowna to Dulles Intl flights
St. John's to Reagan-National flights
St. John's to Dulles Intl flights
London to Reagan-National flights
Victoria to Baltimore flights
Québec City to Baltimore flights
Fort McMurray to Reagan-National flights
Kelowna to Reagan-National flights
Kelowna to Baltimore flights
London to Baltimore flights
Fredericton to Dulles Intl flights
London to Dulles Intl flights
Regina to Baltimore flights
Fort McMurray to Baltimore flights
Regina to Reagan-National flights
Victoria to Reagan-National flights
Saskatoon to Reagan-National flights
Regina to Dulles Intl flights
Victoria to Dulles Intl 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 629,999 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 300AverageC$ 385FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 340AverageC$ 700FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 363AverageC$ 548FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Quebec to Dulles Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Quebec today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Quebec to Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights from Quebec to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Quebec to Dulles Intl with no change fees?

Certainly. Search results for flights to Dulles Intl from Quebec shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Quebec to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Quebec today and book when prices fit your budget.

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