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Cheap flights from Quebec to Washington, D.C. Dulles Intl Airport from C$ 209

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
5 Aug — 12 Aug1
1 adult

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 31 July 2025.

Round-trip from

C$ 328

One-way from

C$ 201

Popular in

July

Cheapest in

May

Average price

C$ 552

Good round-trip deal

C$ 618 or less

Good one-way deal

C$ 425 or less
Porter Airlines
  • Porter Airlines
  • 14/9-19/9
  • 2 total stops
  • 10h 45m total
  • Quebec to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 12/9
  • 1 total stop
  • 5h 31m total
  • Quebec to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
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 31 July 2025.

Thu 25/95:00 a.m.YUL - IAD
1 stop4h 38mMultiple Airlines
Fri 26/94:20 p.m.IAD - YUL
1 stop3h 50mMultiple Airlines
Deal found 29/7C$ 342
Thu 14/810:45 a.m.YUL - IAD
1 stop4h 11mPorter Airlines
Sun 17/811:35 a.m.IAD - YUL
1 stop4h 25mPorter Airlines
Deal found 30/7C$ 343
Fri 19/97:10 p.m.YUL - IAD
Nonstop1h 55mAir Canada
Mon 22/99:35 a.m.IAD - YUL
Nonstop1h 53mAir Canada
Deal found 30/7C$ 372
Wed 13/89:15 a.m.YUL - IAD
Nonstop1h 59mUnited Airlines
Tue 19/81:00 p.m.IAD - YUL
Nonstop2h 00mUnited Airlines
Deal found 30/7C$ 374
Thu 21/811:00 a.m.YOW - IAD
1 stop3h 56mPorter Airlines
Mon 25/84:10 p.m.IAD - YOW
1 stop3h 28mPorter Airlines
Deal found 30/7C$ 381
Sat 13/97:29 p.m.YOW - IAD
Nonstop1h 43mLufthansa
Sun 14/96:20 a.m.IAD - YOW
1 stop5h 25mLufthansa
Deal found 31/7C$ 394
Sat 13/92:48 p.m.YOW - IAD
1 stop5h 53mUnited Airlines
Sun 14/98:16 a.m.IAD - YOW
Nonstop1h 42mUnited Airlines
Deal found 31/7C$ 399
Wed 27/87:00 a.m.YUL - IAD
1 stop9h 30mDelta
Sun 31/86:15 a.m.IAD - YUL
2 stops11h 28mDelta
Deal found 31/7C$ 411
Fri 21/116:00 a.m.YUL - IAD
1 stop17h 00mWestJet
Tue 25/116:10 a.m.IAD - YUL
1 stop6h 05mWestJet
Deal found 30/7C$ 430
Wed 27/85:15 a.m.YOW - IAD
1 stop4h 22mAir Canada
Wed 3/99:35 a.m.IAD - YOW
1 stop4h 16mAir Canada
Deal found 30/7C$ 448
Sat 13/99:35 a.m.YOW - IAD
1 stop5h 31mMultiple Airlines
Sat 20/96:30 a.m.IAD - YOW
2 stops10h 34mMultiple Airlines
Deal found 30/7C$ 567
Fri 19/96:00 a.m.YOW - IAD
1 stop11h 50mWestJet
Mon 22/96:45 p.m.IAD - YOW
2 stops21h 34mWestJet
Deal found 31/7C$ 595

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 31 July 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

Thu 25/9

5:00 a.m.-9:38 a.m.

1 stop4h 38m

Washington, D.C. Dulles Intl

Fri 26/9

4:20 p.m.-8:10 p.m.

1 stop3h 50m

C$ 342

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 14/8

10:45 a.m.-2:56 p.m.

1 stop4h 11m

Washington, D.C. Dulles Intl

Sun 17/8

11:35 a.m.-4:00 p.m.

1 stop4h 25m

C$ 343

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

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

Nonstop1h 55m

Washington, D.C. Dulles Intl

Mon 22/9

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

Nonstop1h 53m

C$ 372

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 13/8

9:15 a.m.-11:14 a.m.

Nonstop1h 59m

Washington, D.C. Dulles Intl

Tue 19/8

1:00 p.m.-3:00 p.m.

Nonstop2h 00m

C$ 374

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 21/8

11:00 a.m.-2:56 p.m.

1 stop3h 56m

Washington, D.C. Dulles Intl

Mon 25/8

4:10 p.m.-7:38 p.m.

1 stop3h 28m

C$ 381

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 13/9

7:29 p.m.-9:12 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 14/9

6:20 a.m.-11:45 a.m.

1 stop5h 25m

C$ 394

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 14/8

9:15 a.m.-11:14 a.m.

Nonstop1h 59m

Washington, D.C. Dulles Intl

Sun 17/8

1:03 p.m.-3:00 p.m.

Nonstop1h 57m

C$ 396

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 13/9

2:48 p.m.-8:41 p.m.

1 stop5h 53m

Washington, D.C. Dulles Intl

Sun 14/9

8:16 a.m.-9:58 a.m.

Nonstop1h 42m

C$ 399

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 27/8

7:00 a.m.-4:30 p.m.

1 stop9h 30m

Washington, D.C. Dulles Intl

Sun 31/8

6:15 a.m.-5:43 p.m.

2 stops11h 28m

C$ 411

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

6:00 a.m.-11:00 p.m.

1 stop17h 00m

Washington, D.C. Dulles Intl

Tue 25/11

6:10 a.m.-12:15 p.m.

1 stop6h 05m

C$ 430

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 33 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 31 July 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 31 July 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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 31 July 2025.
Get a feel of what it's like to fly with Porter Airlines,Delta, andUnited Airlines from Quebec to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,981 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,900 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,978 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • 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$ 201. Users have also found prices from C$ 209 and C$ 232 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 Avianca (85%), Copa Airlines (77%) and Republic Airways (77%).

  • 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$ 256. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for C$ 311 on average our data indicates C$ 2,084 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 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 Reagan-National flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Vancouver Intl to Dulles Intl flights
Ottawa to Dulles Intl flights
Pierre Elliott Trudeau Intl to Baltimore flights
Vancouver Intl to Baltimore flights
Vancouver Intl to Reagan-National flights
Calgary to Dulles Intl flights
Ottawa to Reagan-National flights
Calgary to Reagan-National flights
Winnipeg to Dulles Intl flights
Calgary to Baltimore flights
Toronto Island to Baltimore flights
Toronto Island to Reagan-National flights
Halifax to Dulles Intl flights
Winnipeg to Reagan-National flights
Edmonton to Baltimore flights
Ottawa to Baltimore flights
Edmonton to Dulles Intl flights
Edmonton to Reagan-National flights
Winnipeg to Baltimore flights
Halifax to Baltimore flights
Halifax to Reagan-National flights
Québec City to Dulles Intl flights
Regina to Baltimore flights
Saskatoon to Baltimore flights
Québec City to Reagan-National flights
Victoria to Dulles Intl flights
Saskatoon to Reagan-National flights
Québec City to Baltimore flights
Fredericton to Dulles Intl flights
Victoria to Reagan-National flights
Victoria to Baltimore flights
Regina to Dulles Intl flights
Kelowna to Dulles Intl flights
London to Dulles Intl flights
Hamilton to Reagan-National flights
Regina to Reagan-National flights
Kelowna to Baltimore flights
Thunder Bay to Dulles Intl flights
Kelowna to Reagan-National flights
London to Baltimore flights
Kamloops 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 300AverageC$ 400FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 323AverageC$ 503FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 340AverageC$ 714FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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