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Cheap flights from Quebec to Washington, D.C. Dulles Intl Airport from C$ 198

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 28/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
5 May — 12 May1
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 30 April 2025.

Round-trip from

C$ 343

One-way from

C$ 215

Popular in

December

Cheapest in

August

Average price

C$ 525

Good round-trip deal

C$ 516 or less

Good one-way deal

C$ 232 or less
United Airlines
  • United Airlines
  • 13/6-13/6
  • 1 total stop
  • 12h 19m total
  • Quebec to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 1/9
  • 1 total stop
  • 6h 11m total
  • Quebec to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 47 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Sat 24/510:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Wed 28/54:20 p.m.IAD - YUL
1 stop5h 55mPorter Airlines
Deal found 27/4C$ 328
Fri 13/69:15 a.m.YUL - IAD
Nonstop1h 59mUnited Airlines
Fri 13/610:15 p.m.IAD - YUL
1 stop10h 20mUnited Airlines
Deal found 28/4C$ 345
Sat 14/67:10 p.m.YUL - IAD
Nonstop1h 58mAir Canada
Sat 5/75:31 p.m.IAD - YUL
Nonstop2h 14mAir Canada
Deal found 28/4C$ 358
Wed 28/52:20 p.m.YUL - IAD
Nonstop1h 59mMultiple Airlines
Tue 3/610:20 a.m.IAD - YUL
1 stop6h 01mMultiple Airlines
Deal found 28/4C$ 372
Wed 11/610:15 a.m.YOW - IAD
1 stop4h 51mPorter Airlines
Mon 16/64:20 p.m.IAD - YOW
1 stop4h 43mPorter Airlines
Deal found 28/4C$ 406
Thu 22/52:20 p.m.YUL - IAD
Nonstop1h 59mLufthansa
Sun 25/510:15 p.m.IAD - YUL
1 stop10h 20mLufthansa
Deal found 29/4C$ 411
Sat 14/67:00 a.m.YUL - IAD
1 stop5h 53mDelta
Sat 5/77:10 a.m.IAD - YUL
2 stops9h 15mDelta
Deal found 28/4C$ 428
Mon 9/67:29 p.m.YOW - IAD
Nonstop1h 35mUnited Airlines
Sun 15/68:18 a.m.IAD - YOW
Nonstop1h 40mUnited Airlines
Deal found 28/4C$ 460
Wed 14/57:29 p.m.YOW - IAD
Nonstop1h 44mAir Canada
Wed 4/61:00 p.m.IAD - YOW
Nonstop1h 42mAir Canada
Deal found 27/4C$ 464
Wed 11/62:40 p.m.YOW - IAD
Nonstop1h 35mMultiple Airlines
Mon 16/68:18 a.m.IAD - YOW
Nonstop1h 40mMultiple Airlines
Deal found 28/4C$ 480
Sat 21/66:45 a.m.YUL - IAD
2 stops13h 01mWestJet
Mon 23/66:00 a.m.IAD - YUL
1 stop17h 13mWestJet
Deal found 28/4C$ 511
Sat 7/65:55 a.m.YOW - IAD
2 stops16h 59mWestJet
Mon 9/66:00 a.m.IAD - YOW
2 stops18h 22mWestJet
Deal found 27/4C$ 576

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 30 April 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 24/5

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

1 stop4h 21m

Washington, D.C. Dulles Intl

Wed 28/5

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

1 stop5h 55m

C$ 328

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 13/6

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

Nonstop1h 59m

Washington, D.C. Dulles Intl

Fri 13/6

10:15 p.m.-8:35 a.m.

1 stop10h 20m

C$ 345

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 14/6

7:10 p.m.-9:08 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sat 5/7

5:31 p.m.-7:45 p.m.

Nonstop2h 14m

C$ 358

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

2:20 p.m.-4:19 p.m.

Nonstop1h 59m

Washington, D.C. Dulles Intl

Tue 3/6

10:20 a.m.-4:21 p.m.

1 stop6h 01m

C$ 372

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 11/6

10:15 a.m.-3:06 p.m.

1 stop4h 51m

Washington, D.C. Dulles Intl

Mon 16/6

4:20 p.m.-9:03 p.m.

1 stop4h 43m

C$ 406

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

2:20 p.m.-4:19 p.m.

Nonstop1h 59m

Washington, D.C. Dulles Intl

Sun 25/5

10:15 p.m.-8:35 a.m.

1 stop10h 20m

C$ 411

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 14/6

7:00 a.m.-12:53 p.m.

1 stop5h 53m

Washington, D.C. Dulles Intl

Sat 5/7

7:10 a.m.-4:25 p.m.

2 stops9h 15m

C$ 428

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 9/6

7:29 p.m.-9:04 p.m.

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 16/6

8:18 a.m.-9:58 a.m.

Nonstop1h 40m

C$ 460

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 14/5

7:29 p.m.-9:13 p.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Wed 4/6

1:00 p.m.-2:42 p.m.

Nonstop1h 42m

C$ 464

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 11/6

2:40 p.m.-4:15 p.m.

Nonstop1h 35m

Washington, D.C. Dulles Intl

Mon 16/6

8:18 a.m.-9:58 a.m.

Nonstop1h 40m

C$ 480

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 30 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 30 April 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 30 April 2025.

The most flights from CAQC to IAD are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 30 April 2025.
See what other customers who have flown with Porter Airlines, Delta and United Airlines from Quebec to Washington, D.C. have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,929 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
WestJet
7.2
Good
2,823 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Crew

8.8

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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$ 215. Users have also found prices from C$ 217 and C$ 226 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 (93%) and Republic Airways (89%).

  • 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$ 174. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for C$ 321 on average our data indicates C$ 1,534 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 Quebec?

Book flights to Quebec if you plan to visit one of these locations
Herndon
Warrenton
Arlington
Hanover
Bel Air
Fairfax
Gaithersburg
Winchester
Falls Church
Alexandria
Manassas
Fredericksburg
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
Vancouver Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Vancouver Intl to Baltimore flights
Toronto Island to Baltimore flights
Vancouver Intl to Reagan-National 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 Dulles Intl flights
Edmonton to Dulles Intl flights
Calgary to Reagan-National flights
Ottawa to Reagan-National flights
Edmonton to Baltimore flights
Victoria to Reagan-National flights
Victoria to Baltimore flights
Victoria to Dulles Intl flights
Edmonton to Reagan-National flights
Québec City to Reagan-National flights
Halifax to Dulles Intl flights
Québec City to Dulles Intl flights
Ottawa to Baltimore flights
Halifax to Baltimore flights
Winnipeg to Dulles Intl flights
Halifax to Reagan-National flights
Winnipeg to Baltimore flights
Winnipeg to Reagan-National flights
Regina to Dulles Intl flights
Kelowna to Dulles Intl flights
London to Reagan-National flights
Québec City to Baltimore flights
Saskatoon to Reagan-National flights
Saskatoon to Baltimore flights
Kamloops to Dulles Intl flights
London to Baltimore flights
Kamloops to Baltimore flights
Kelowna to Reagan-National flights
Kelowna to Baltimore flights
London to Dulles Intl flights
Regina to Baltimore flights
Regina to Reagan-National flights
Fredericton to Dulles Intl flights
St. John's 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 304AverageC$ 480FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 332AverageC$ 413FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 363AverageC$ 478FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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