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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 343

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
1 May — 8 May1
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 1 April 2026.

Tue 28/46:15 a.m.
YQB
-
IAD
2 stops18h 21m
Multiple Airlines
Tue 5/511:30 a.m.
IAD
-
YQB
1 stop26h 57m
Multiple Airlines
Deal found 31/3C$ 720
Tue 12/53:10 p.m.
YQB
-
IAD
1 stop24h 11m
Multiple Airlines
Tue 19/511:30 a.m.
IAD
-
YQB
1 stop26h 57m
Multiple Airlines
Deal found 28/3C$ 752
Tue 28/43:15 p.m.
YQB
-
IAD
1 stop4h 25m
Air Canada
Tue 5/59:45 a.m.
IAD
-
YQB
1 stop4h 15m
Air Canada
Deal found 31/3C$ 804
Thu 2/46:30 a.m.
YQB
-
IAD
1 stop11h 24m
Multiple Airlines
Thu 16/412:35 p.m.
IAD
-
YQB
1 stop26h 05m
Multiple Airlines
Deal found 28/3C$ 805
Wed 1/73:05 p.m.
YQB
-
IAD
1 stop9h 40m
United Airlines
Wed 8/76:33 a.m.
IAD
-
YQB
1 stop5h 29m
United Airlines
Deal found 31/3C$ 839
Sat 3/101:40 p.m.
YQB
-
IAD
2 stops6h 45m
Air Canada
Tue 6/109:45 a.m.
IAD
-
YQB
1 stop4h 15m
Air Canada
Deal found 30/3C$ 846
Thu 14/51:05 p.m.
YQB
-
IAD
1 stop5h 53m
Air Canada
Mon 18/58:15 a.m.
IAD
-
YQB
1 stop4h 46m
Air Canada
Deal found 1/4C$ 848
Thu 9/46:30 a.m.
YQB
-
IAD
1 stop29h 40m
Multiple Airlines
Sun 12/46:00 p.m.
IAD
-
YQB
1 stop21h 20m
Multiple Airlines
Deal found 27/3C$ 853
Wed 1/73:10 p.m.
YQB
-
IAD
1 stop24h 06m
Multiple Airlines
Wed 8/711:30 a.m.
IAD
-
YQB
2 stops8h 30m
Multiple Airlines
Deal found 31/3C$ 855

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 1 April 2026.

Round-trip from

C$ 720

One-way from

C$ 343
Porter Airlines
  • Porter Airlines
  • 28/4-5/5
  • 3 total stops
  • 45h 18m total
  • Québec City to Washington, D.C.
Search Deals
Porter Airlines
  • Porter Airlines
  • 3/6
  • 1 total stop
  • 19h 36m 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 1 April 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

Tue 12/5

3:10 p.m.-3:21 p.m.

1 stop24h 11m

Washington, D.C. Dulles Intl

Tue 19/5

11:30 a.m.-2:27 p.m.

1 stop26h 57m

C$ 752

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 1/7

3:05 p.m.-12:45 a.m.

1 stop9h 40m

Washington, D.C. Dulles Intl

Wed 8/7

6:33 a.m.-12:02 p.m.

1 stop5h 29m

C$ 839
Quickest round-trip

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 14/5

1:05 p.m.-6:58 p.m.

1 stop5h 53m

Washington, D.C. Dulles Intl

Mon 18/5

8:15 a.m.-1:01 p.m.

1 stop4h 46m

C$ 848

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 1/7

3:10 p.m.-3:16 p.m.

1 stop24h 06m

Washington, D.C. Dulles Intl

Wed 8/7

11:30 a.m.-8:00 p.m.

2 stops8h 30m

C$ 855

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 1/7

6:30 a.m.-3:16 p.m.

2 stops8h 46m

Washington, D.C. Dulles Intl

Wed 8/7

11:30 a.m.-4:40 p.m.

2 stops5h 10m

C$ 865

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 15/5

3:10 p.m.-10:46 a.m.

1 stop19h 36m

Washington, D.C. Dulles Intl

Fri 22/5

9:36 p.m.-10:25 p.m.

2 stops24h 49m

C$ 890

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 12/5

10:20 a.m.-7:28 p.m.

2 stops9h 08m

Washington, D.C. Dulles Intl

Tue 19/5

6:00 a.m.-1:30 p.m.

2 stops7h 30m

C$ 979

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 14/5

3:10 p.m.-3:21 p.m.

1 stop24h 11m

Washington, D.C. Dulles Intl

Mon 18/5

11:30 a.m.-8:00 p.m.

2 stops8h 30m

C$ 1,007

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 9/8

3:10 p.m.-10:46 a.m.

1 stop19h 36m

Washington, D.C. Dulles Intl

Fri 21/8

4:00 p.m.-2:27 p.m.

1 stop22h 27m

C$ 1,078

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 14/5

4:55 p.m.-10:46 a.m.

2 stops17h 51m

Washington, D.C. Dulles Intl

Mon 18/5

11:30 a.m.-8:00 p.m.

2 stops8h 30m

C$ 1,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 21 resultsSorted by cheapest first
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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.

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 5h 53m. Fly via United Airlines or Air Canada 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
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

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