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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 311

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
12 Aug — 19 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Québec City to Dulles Intl

Enter your travel dates to find the best prices.

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 13 July 2026.

Sat 19/95:00 a.m.
YQB
-
IAD
1 stop6h 21m
United Airlines
Sat 19/93:40 p.m.
IAD
-
YQB
2 stops7h 57m
United Airlines
Deal found 8/7C$ 524
Tue 4/810:25 a.m.
YQB
-
IAD
1 stop11h 01m
Air Canada
Wed 5/86:10 a.m.
IAD
-
YQB
2 stops7h 45m
Air Canada
Deal found 8/7C$ 583
Mon 24/81:56 p.m.
YQB
-
IAD
2 stops22h 52m
American Airlines
Mon 31/85:34 p.m.
IAD
-
YQB
2 stops19h 41m
American Airlines
Deal found 10/7C$ 781
Mon 3/81:20 p.m.
YQB
-
IAD
1 stop5h 41m
Air Canada
Tue 4/86:10 a.m.
IAD
-
YQB
1 stop7h 58m
Air Canada
Deal found 8/7C$ 814
Mon 24/84:55 p.m.
YQB
-
IAD
2 stops17h 50m
Multiple Airlines
Mon 31/811:25 a.m.
IAD
-
YQB
2 stops8h 35m
Multiple Airlines
Deal found 10/7C$ 848
Thu 30/73:10 p.m.
YQB
-
IAD
1 stop24h 01m
Porter Airlines
Sat 8/811:25 a.m.
IAD
-
YQB
2 stops8h 35m
Porter Airlines
Deal found 8/7C$ 856
Mon 24/83:10 p.m.
YQB
-
IAD
1 stop19h 35m
Porter Airlines
Mon 31/83:50 p.m.
IAD
-
YQB
1 stop22h 37m
Porter Airlines
Deal found 10/7C$ 861

Find 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 13 July 2026.

Round-trip from

C$ 524

One-way from

C$ 311
United Airlines
  • United Airlines
  • 19/9-19/9
  • 3 total stops
  • 14h 18m total
  • Québec City to Washington, D.C.
Search Deals
7/10
  • 7/10
  • 2 total stops
  • 13h 41m total
  • Québec City to Washington, D.C.
Search Deals

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 13 July 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 19/9

10:30 a.m.-3:25 p.m.

1 stop4h 55m

Washington, D.C. Dulles Intl

Sat 19/9

10:27 p.m.-2:08 p.m.

1 stop15h 41m

C$ 661

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 24/8

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

1 stop19h 35m

Washington, D.C. Dulles Intl

Mon 31/8

3:50 p.m.-2:27 p.m.

1 stop22h 37m

C$ 861

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 2/10

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

1 stop19h 35m

Washington, D.C. Dulles Intl

Mon 5/10

11:25 a.m.-8:00 p.m.

2 stops8h 35m

C$ 900
Quickest round-trip

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 4/8

3:00 p.m.-12:45 a.m.

1 stop9h 45m

Washington, D.C. Dulles Intl

Wed 5/8

9:55 a.m.-4:01 p.m.

1 stop6h 06m

C$ 902

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 30/7

3:10 p.m.-10:25 a.m.

1 stop19h 15m

Washington, D.C. Dulles Intl

Mon 3/8

11:25 a.m.-8:00 p.m.

2 stops8h 35m

C$ 912

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 2/9

3:10 p.m.-3:10 p.m.

1 stop24h 00m

Washington, D.C. Dulles Intl

Sun 6/9

3:50 p.m.-2:27 p.m.

1 stop22h 37m

C$ 924

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 2/9

3:00 p.m.-9:23 a.m.

1 stop18h 23m

Washington, D.C. Dulles Intl

Sun 6/9

8:20 a.m.-2:08 p.m.

1 stop5h 48m

C$ 936

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 7/8

10:25 a.m.-7:34 a.m.

2 stops21h 09m

Washington, D.C. Dulles Intl

Thu 13/8

8:20 a.m.-11:36 p.m.

2 stops15h 16m

C$ 936

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 22/8

4:15 p.m.-7:19 a.m.

1 stop15h 04m

Washington, D.C. Dulles Intl

Sat 29/8

1:15 p.m.-3:25 p.m.

Nonstop2h 10m

C$ 941
Cheapest one-way
Quickest one-way

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 6/10

6:40 a.m.-8:21 p.m.

2 stops13h 41m

C$ 327

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

Showing 1-10 of 20 resultsSorted by cheapest first
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 13 July 2026.

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

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. 0 airlines have flights to Washington, D.C. Dulles Intl from Québec City on a regular basis.

  • How long is the flight from Québec City to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Québec City to Washington, D.C. Dulles Intl Airport in 4h 55m. Fly via United Airlines or Porter Airlines to get the fastest option. The distance between Québec City and Washington, D.C. Dulles Intl Airport is about 1001 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

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
Oxon Hill
Gaithersburg
Reston
Chantilly
Herndon
Ellicott City
Arlington
Fredericksburg
Alexandria
Rockville

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