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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 287

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
20 Aug — 27 Aug1
1 adult

Cheap flight deals from Québec City to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Québec City (YQB) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 August 2025.

Round-trip from

C$ 498

One-way from

C$ 287

Popular in

January

Cheapest in

March

Average price

C$ 798
Porter Airlines
  • Porter Airlines
  • 10/10-13/10
  • 2 total stops
  • 8h 26m total
  • Québec City to Washington, D.C.
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/9
  • 1 total stop
  • 4h 06m total
  • Québec City to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 67 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Québec City to Dulles Intl

Cheapest flights from Québec City to Dulles Intl
Explore the most affordable flight options available from Québec City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Fri 10/1011:00 a.m.YQB - IAD
1 stop4h 06mPorter Airlines
Mon 13/1011:35 a.m.IAD - YQB
1 stop4h 20mPorter Airlines
Deal found 13/8C$ 498
Fri 10/1011:00 a.m.YQB - IAD
1 stop4h 06mPorter Airlines
Sun 12/1011:35 a.m.IAD - YQB
1 stop4h 20mPorter Airlines
Deal found 13/8C$ 622
Fri 10/1011:00 a.m.YQB - IAD
1 stop4h 06mMultiple Airlines
Mon 13/1011:35 a.m.IAD - YQB
1 stop4h 20mMultiple Airlines
Deal found 13/8C$ 720
Thu 9/1011:00 a.m.YQB - IAD
1 stop4h 06mPorter Airlines
Mon 13/1011:35 a.m.IAD - YQB
1 stop4h 20mPorter Airlines
Deal found 13/8C$ 724
Fri 5/95:20 a.m.YQB - IAD
1 stop8h 18mAir Canada
Sat 6/92:25 p.m.IAD - YQB
1 stop7h 45mAir Canada
Deal found 13/8C$ 735
Fri 5/911:00 a.m.YQB - IAD
1 stop4h 06mMultiple Airlines
Sat 6/96:15 a.m.IAD - YQB
2 stops26h 45mMultiple Airlines
Deal found 13/8C$ 762
Thu 9/104:55 p.m.YQB - IAD
1 stop5h 33mUnited Airlines
Tue 14/105:10 p.m.IAD - YQB
1 stop5h 31mUnited Airlines
Deal found 13/8C$ 824
Sat 20/1211:50 a.m.YQB - IAD
1 stop11h 17mMultiple Airlines
Sat 3/19:00 a.m.IAD - YQB
2 stops9h 07mMultiple Airlines
Deal found 12/8C$ 833
Sat 11/105:20 a.m.YQB - IAD
1 stop8h 18mAir Canada
Sun 12/102:25 p.m.IAD - YQB
1 stop4h 30mAir Canada
Deal found 13/8C$ 885

Cheapflights Fare Finder

 
Customize your flight search to find flights from Québec City 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 15 August 2025.
Use the filters below to find and compare flights from Québec City to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Québec City

Fly to

Dulles Intl

Route

Depart

Return

Price

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 11/10

11:00 a.m.-3:06 p.m.

1 stop4h 06m

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-3:55 p.m.

1 stop4h 20m

C$ 498

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 10/10

11:00 a.m.-3:06 p.m.

1 stop4h 06m

Washington, D.C. Dulles Intl

Mon 13/10

11:35 a.m.-3:55 p.m.

1 stop4h 20m

C$ 498

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 10/10

11:00 a.m.-3:06 p.m.

1 stop4h 06m

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-3:55 p.m.

1 stop4h 20m

C$ 622

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 10/10

11:00 a.m.-3:06 p.m.

1 stop4h 06m

Washington, D.C. Dulles Intl

Mon 13/10

11:35 a.m.-3:55 p.m.

1 stop4h 20m

C$ 720

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 9/10

11:00 a.m.-3:06 p.m.

1 stop4h 06m

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-3:55 p.m.

1 stop4h 20m

C$ 724

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 9/10

11:00 a.m.-3:06 p.m.

1 stop4h 06m

Washington, D.C. Dulles Intl

Mon 13/10

11:35 a.m.-3:55 p.m.

1 stop4h 20m

C$ 724

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 23/9

5:20 a.m.-1:38 p.m.

1 stop8h 18m

Washington, D.C. Dulles Intl

Sat 27/9

2:25 p.m.-10:10 p.m.

1 stop7h 45m

C$ 735

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 5/9

5:20 a.m.-1:38 p.m.

1 stop8h 18m

Washington, D.C. Dulles Intl

Sat 6/9

2:25 p.m.-10:10 p.m.

1 stop7h 45m

C$ 735

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 5/9

11:00 a.m.-3:06 p.m.

1 stop4h 06m

Washington, D.C. Dulles Intl

Sat 6/9

6:15 a.m.-9:00 a.m.

2 stops26h 45m

C$ 762

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 9/10

4:55 p.m.-10:28 p.m.

1 stop5h 33m

Washington, D.C. Dulles Intl

Tue 14/10

5:10 p.m.-10:41 p.m.

1 stop5h 31m

C$ 824

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/8

Showing 1-10 of 20 results
1
2

Best time to book a flight from Québec City to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Québec City 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 Québec City to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from YQB to IAD?

Find hourly flight availability from Québec City 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 15 August 2025.

One of the essential ways to save on airfare from Québec City to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

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 15 August 2025.
Read through reviews of airlines operating flights from Québec City to Washington, D.C. Dulles Intl Airport, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
9,949 reviews
Check prices

Overall

7.1

Entertainment

6.8

Boarding

7.3

Crew

7.8

Comfort

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2024

YUL - YYZ

Was able to check the smaller carryon suitcase in Montreal but it was tagged incorrectly and we still have not received it or heard where it is.
Air Canada
7.1
Good
9,949 reviews
Air Canada
7.1
Good
9,949 reviews
Check prices

Overall

7.1

Entertainment

6.8

Boarding

7.3

Crew

7.8

Comfort

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2024

YUL - YYZ

Was able to check the smaller carryon suitcase in Montreal but it was tagged incorrectly and we still have not received it or heard where it is.

Related info for your journey

Find useful and relevant information for your journey from Québec City 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 airport do you fly from for flights from Québec City to Washington, D.C. Dulles Intl?

    For a flight from Québec City to Washington, D.C. Dulles Intl, you will be flying from Quebec. Québec City (YQB) is just 13.5 km from the centre of the city. Quebec is the only Québec City airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 1 airline has flights to Washington, D.C. Dulles Intl from Québec City on a regular basis.

  • What is the cheapest airline to fly from Québec City to Washington, D.C. Dulles Intl Airport round-trip?

    Air Canada, at C$ 730, was found to be the cheapest airline from Québec City to Washington, D.C. Dulles Intl Airport..

  • Can I find deals for flights from Québec City to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Québec City to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Québec City to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Québec City to Dulles Intl.

  • Can I find deals for business class flights from Québec City to Dulles Intl?

    Yes. Cheapflights offers flight deals from Québec City 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 Québec City to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Québec City to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Québec City 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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Top airline flying from Québec City to Dulles Intl

Discover the top airline that operate flights from Québec City 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 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 730AverageC$ 917FlexibilityNo 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 Québec City to Dulles Intl?

When you search for this flight from Québec City to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Dulles Intl from Québec City by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Québec City to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Québec City to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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