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Cheap flights from Quebec to Washington, D.C. Dulles Intl Airport from C$ 203

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Quebec to Dulles Intl

Enter your travel dates to find the best prices.

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 18 December 2025.

Wed 31/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Mon 5/111:35 a.m.IAD - YUL
1 stop6h 10mPorter Airlines
Deal found 17/12C$ 453
Mon 29/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Fri 2/111:35 a.m.IAD - YUL
1 stop4h 55mPorter Airlines
Deal found 15/12C$ 471
Mon 22/127:00 p.m.YUL - IAD
Nonstop1h 59mAir Canada
Sat 4/49:55 a.m.IAD - YUL
Nonstop1h 43mAir Canada
Deal found 15/12C$ 489
Fri 26/129:15 a.m.YUL - IAD
Nonstop2h 20mUnited Airlines
Wed 31/125:48 p.m.IAD - YUL
Nonstop2h 00mUnited Airlines
Deal found 17/12C$ 502
Tue 23/1211:25 a.m.YUL - IAD
1 stop5h 49mPorter Airlines
Wed 31/1211:40 a.m.IAD - YUL
1 stop5h 35mPorter Airlines
Deal found 16/12C$ 507
Wed 24/124:45 p.m.YUL - IAD
1 stop7h 30mUnited Airlines
Wed 31/125:48 p.m.IAD - YUL
Nonstop2h 00mUnited Airlines
Deal found 17/12C$ 510
Sat 27/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Wed 31/1211:40 a.m.IAD - YUL
1 stop5h 35mPorter Airlines
Deal found 17/12C$ 514
Sat 27/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Fri 2/111:35 a.m.IAD - YUL
1 stop4h 55mPorter Airlines
Deal found 17/12C$ 524
Tue 23/129:30 a.m.YOW - IAD
1 stop11h 33mMultiple Airlines
Fri 2/111:35 a.m.IAD - YOW
1 stop3h 29mMultiple Airlines
Deal found 16/12C$ 634
Fri 26/121:20 p.m.YOW - IAD
1 stop3h 54mPorter Airlines
Fri 2/111:35 a.m.IAD - YOW
1 stop3h 29mPorter Airlines
Deal found 16/12C$ 648
Tue 23/129:30 a.m.YOW - IAD
1 stop11h 33mMultiple Airlines
Tue 30/126:30 p.m.IAD - YOW
1 stop3h 59mMultiple Airlines
Deal found 16/12C$ 661
Fri 26/1212:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Tue 30/126:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Deal found 16/12C$ 689

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 18 December 2025.

Round-trip from

C$ 335

One-way from

C$ 203

Popular in

December

Cheapest in

October

Average price

C$ 543

Good round-trip deal

C$ 548 or less

Good one-way deal

C$ 369 or less
Porter Airlines
  • Porter Airlines
  • 5/1-5/1
  • 2 total stops
  • 7h 49m total
  • Quebec to Washington, D.C.
Search Deals
Porter Airlines
  • Porter Airlines
  • 30/1
  • 1 total stop
  • 3h 19m total
  • Quebec to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 629,999 searches. Data last updated 18 December 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

Sat 31/1

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

Nonstop1h 54m

Washington, D.C. Dulles Intl

Sat 7/2

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

Nonstop1h 45m

C$ 349

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

11:25 a.m.-5:14 p.m.

1 stop5h 49m

Washington, D.C. Dulles Intl

Mon 30/3

11:40 a.m.-4:30 p.m.

1 stop4h 50m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

11:25 a.m.-5:14 p.m.

1 stop5h 49m

Washington, D.C. Dulles Intl

Sat 28/3

1:45 p.m.-6:45 p.m.

1 stop5h 00m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

11:25 a.m.-5:14 p.m.

1 stop5h 49m

Washington, D.C. Dulles Intl

Mon 30/3

11:40 a.m.-4:30 p.m.

1 stop4h 50m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 25/3

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

Mon 30/3

11:40 a.m.-4:30 p.m.

1 stop4h 50m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

11:25 a.m.-5:14 p.m.

1 stop5h 49m

Washington, D.C. Dulles Intl

Sun 29/3

6:30 p.m.-10:45 p.m.

1 stop4h 15m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

11:25 a.m.-5:14 p.m.

1 stop5h 49m

Washington, D.C. Dulles Intl

Sun 29/3

6:30 p.m.-10:45 p.m.

1 stop4h 15m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

Sun 29/3

6:30 p.m.-10:45 p.m.

1 stop4h 15m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 26/3

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

Mon 30/3

11:40 a.m.-4:30 p.m.

1 stop4h 50m

C$ 365

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

9:15 a.m.-11:35 a.m.

Nonstop2h 20m

Washington, D.C. Dulles Intl

Sun 1/3

8:15 a.m.-2:00 p.m.

1 stop5h 45m

C$ 379

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 54 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 C$ 218). Flying from Quebec to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of C$ 353). 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 18 December 2025.

One of the essential ways to save on airfare from Quebec to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

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 16 December 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 at noon 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 18 December 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).

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 54m. Air Canada provides one of the quickest options available for as low as C$ 349. Quebec and Washington, D.C. Dulles Intl Airport are separated by a distance of 785 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$ 186. Users have also found prices from C$ 207 and C$ 231 on Air Canada and United Airlines, 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 Copa Airlines (89%), Avianca (85%) and Republic Airways (85%).

  • 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$ 231. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for C$ 299 on average, our data indicates C$ 773 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 C$ 218). Flying from Quebec to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of C$ 353). 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
Silver Spring
Warrenton
Winchester
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

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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 Dulles Intl flights
Pearson Intl to Reagan-National flights
Toronto Island to Dulles Intl flights
Pearson Intl to Baltimore flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Ottawa to Dulles Intl flights
Vancouver Intl to Dulles Intl flights
Vancouver Intl to Baltimore flights
Vancouver Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Baltimore flights
Ottawa to Reagan-National flights
Winnipeg to Dulles Intl flights
Calgary to Reagan-National flights
Toronto Island to Reagan-National flights
Toronto Island to Baltimore flights
Winnipeg to Reagan-National flights
Calgary to Dulles Intl flights
Winnipeg to Baltimore flights
Ottawa to Baltimore flights
Edmonton to Dulles Intl flights
Calgary to Baltimore flights
Edmonton to Reagan-National flights
Edmonton to Baltimore flights
Halifax to Reagan-National flights
Halifax to Dulles Intl flights
Regina to Dulles Intl flights
Saskatoon to Reagan-National flights
Halifax to Baltimore flights
Québec City to Dulles Intl flights
Québec City to Reagan-National flights
Saskatoon to Baltimore flights
Fredericton to Dulles Intl flights
Victoria to Baltimore flights
Québec City to Baltimore flights
Kelowna to Dulles Intl flights
London to Dulles Intl flights
London to Baltimore flights
Regina to Reagan-National flights
Thunder Bay to Dulles Intl flights
Kelowna to Reagan-National flights
Kamloops to Dulles Intl flights
St. John's to Dulles Intl flights
Victoria to Dulles Intl flights
Victoria to Reagan-National flights
Fort McMurray to Reagan-National flights
Kamloops to Baltimore flights
London to Reagan-National 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 629,999 searches. Data last updated 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 299AverageC$ 371FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 339AverageC$ 479FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 377AverageC$ 512FlexibilityNo 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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