Dulles Intl

$151+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — IAD
Aug 6 — Aug 131
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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 August 1, 2025.

Round-trip from

$247
(flugladen.de)

One-way from

$151

Popular in

July

Cheapest in

May

Average price

$286

Good round-trip deal

$514 or less

Good one-way deal

$237 or less
From Quebec to Washington, D.C. Dulles Intl
One-way flight from Quebec to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Quebec to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Quebec to Washington, D.C. Dulles Intl.

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 August 1, 2025.

This flugladen.de deal was found by Cheapflights users on 7/29. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:00 amYUL - IAD
1 stop4h 38mMultiple Airlines
Fri 9/264:20 pmIAD - YUL
1 stop3h 50mMultiple Airlines
Deal found 7/29$247
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:45 amYUL - IAD
1 stop4h 11mPorter Airlines
Sun 8/1711:35 amIAD - YUL
1 stop4h 25mPorter Airlines
Deal found 7/30$248
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Fri 9/197:10 pmYUL - IAD
Nonstop1h 55mAir Canada
Mon 9/229:35 amIAD - YUL
Nonstop1h 53mAir Canada
Deal found 7/30$269
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/139:15 amYUL - IAD
Nonstop1h 59mUnited Airlines
Tue 8/191:00 pmIAD - YUL
Nonstop2h 00mUnited Airlines
Deal found 7/30$270
This flugladen.de deal was found by Cheapflights users on 7/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:00 amYOW - IAD
1 stop3h 56mPorter Airlines
Mon 8/254:10 pmIAD - YOW
1 stop3h 28mPorter Airlines
Deal found 7/30$275
This Kissandfly.com deal was found by Cheapflights users on 7/31. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:29 pmYOW - IAD
Nonstop1h 43mLufthansa
Sun 9/146:20 amIAD - YOW
1 stop5h 25mLufthansa
Deal found 7/31$285
This Kissandfly.com deal was found by Cheapflights users on 7/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:15 amYUL - IAD
Nonstop1h 59mLufthansa
Sun 8/171:03 pmIAD - YUL
Nonstop1h 57mLufthansa
Deal found 7/30$286
This lol.travel deal was found by Cheapflights users on 7/31. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:48 pmYOW - IAD
1 stop5h 53mUnited Airlines
Sun 9/148:16 amIAD - YOW
Nonstop1h 42mUnited Airlines
Deal found 7/31$288
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:00 amYUL - IAD
1 stop9h 30mDelta
Sun 8/316:15 amIAD - YUL
2 stops11h 28mDelta
Deal found 7/31$297
This FlightHub deal was found by Cheapflights users on 7/30. 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 11/216:00 amYUL - IAD
1 stop17h 00mWestJet
Tue 11/256:10 amIAD - YUL
1 stop6h 05mWestJet
Deal found 7/30$311
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Wed 8/275:15 amYOW - IAD
1 stop4h 22mAir Canada
Wed 9/39:35 amIAD - YOW
1 stop4h 16mAir Canada
Deal found 7/30$324
This Trip.com deal was found by Cheapflights users on 7/31. 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.
Thu 8/2111:00 amYOW - IAD
1 stop3h 56mMultiple Airlines
Mon 8/258:16 amIAD - YOW
Nonstop1h 42mMultiple Airlines
Deal found 7/31$363

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 August 1, 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 9/25

5:00 am-9:38 am

1 stop4h 38m

Washington, D.C. Dulles Intl

Fri 9/26

4:20 pm-8:10 pm

1 stop3h 50m

$247

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 8/14

10:45 am-2:56 pm

1 stop4h 11m

Washington, D.C. Dulles Intl

Sun 8/17

11:35 am-4:00 pm

1 stop4h 25m

$248

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 9/19

7:10 pm-9:05 pm

Nonstop1h 55m

Washington, D.C. Dulles Intl

Mon 9/22

9:35 am-11:28 am

Nonstop1h 53m

$269

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 8/13

9:15 am-11:14 am

Nonstop1h 59m

Washington, D.C. Dulles Intl

Tue 8/19

1:00 pm-3:00 pm

Nonstop2h 00m

$270

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 8/21

11:00 am-2:56 pm

1 stop3h 56m

Washington, D.C. Dulles Intl

Mon 8/25

4:10 pm-7:38 pm

1 stop3h 28m

$275

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 9/13

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 9/14

6:20 am-11:45 am

1 stop5h 25m

$285

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 8/14

9:15 am-11:14 am

Nonstop1h 59m

Washington, D.C. Dulles Intl

Sun 8/17

1:03 pm-3:00 pm

Nonstop1h 57m

$286

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 9/13

2:48 pm-8:41 pm

1 stop5h 53m

Washington, D.C. Dulles Intl

Sun 9/14

8:16 am-9:58 am

Nonstop1h 42m

$288

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 8/27

7:00 am-4:30 pm

1 stop9h 30m

Washington, D.C. Dulles Intl

Sun 8/31

6:15 am-5:43 pm

2 stops11h 28m

$297

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 11/21

6:00 am-11:00 pm

1 stop17h 00m

Washington, D.C. Dulles Intl

Tue 11/25

6:10 am-12:15 pm

1 stop6h 05m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 32 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, July is the cheapest month in which you can book a flight from Quebec to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Quebec to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 August 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Quebec to Washington, D.C. Dulles Intl Airport as you normally would.

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 August 1, 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 August 1, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta, and United Airlines from Quebec to Washington, D.C. Dulles Intl Airport to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

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

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

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
8.0
Very good

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

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

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

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

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

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

Entertainment

7.0

Food

7.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

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?

    The cheapest airlines for a one-way flight from Quebec to Washington, D.C. Dulles Intl Airport are Air Canada ($151), Porter Airlines ($152), and Delta ($170).

  • What are the most popular routes 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 Avianca (85%), Copa Airlines (77%) or Republic Airways (77%) 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 $184. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl) can be booked for $225 on average our data indicates $678 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, July is the cheapest month in which you can book a flight from Quebec to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Quebec to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

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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.

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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$202Average$369FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$220Average$322FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$225Average$436FlexibilityNo cancel feeOn-time69%

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