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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 337

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
10 Jul — 17 Jul1
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 10 June 2026.

Sat 11/76:00 p.m.
YQB
-
IAD
Nonstop2h 18m
United Airlines
Sun 12/76:10 a.m.
IAD
-
YQB
2 stops9h 46m
United Airlines
Deal found 7/6C$ 633
Sat 20/66:40 a.m.
YQB
-
IAD
2 stops13h 22m
Multiple Airlines
Sat 27/64:00 p.m.
IAD
-
YQB
1 stop22h 27m
Multiple Airlines
Deal found 5/6C$ 746
Wed 22/710:25 a.m.
YQB
-
IAD
1 stop4h 36m
Air Canada
Sun 26/79:45 a.m.
IAD
-
YQB
1 stop4h 10m
Air Canada
Deal found 7/6C$ 785
Fri 2/101:05 p.m.
YQB
-
IAD
1 stop5h 55m
Air Canada
Mon 5/109:45 a.m.
IAD
-
YQB
1 stop4h 15m
Air Canada
Deal found 6/6C$ 786
Sat 11/76:40 a.m.
YQB
-
IAD
1 stop8h 31m
Porter Airlines
Sun 12/73:55 p.m.
IAD
-
YQB
1 stop22h 32m
Porter Airlines
Deal found 9/6C$ 799
Wed 22/73:10 p.m.
YQB
-
IAD
1 stop19h 15m
Porter Airlines
Wed 29/711:05 a.m.
IAD
-
YQB
2 stops8h 55m
Porter Airlines
Deal found 7/6C$ 812
Sat 20/66:40 a.m.
YQB
-
IAD
2 stops13h 22m
Multiple Airlines
Fri 26/64:00 p.m.
IAD
-
YQB
1 stop22h 27m
Multiple Airlines
Deal found 5/6C$ 823
Sat 20/66:40 a.m.
YQB
-
IAD
2 stops13h 22m
Multiple Airlines
Tue 23/64:00 p.m.
IAD
-
YQB
1 stop22h 27m
Multiple Airlines
Deal found 5/6C$ 832
Sat 20/66:40 a.m.
YQB
-
IAD
2 stops13h 22m
Multiple Airlines
Wed 24/64:00 p.m.
IAD
-
YQB
1 stop22h 27m
Multiple Airlines
Deal found 5/6C$ 858
Sat 20/66:40 a.m.
YQB
-
IAD
2 stops13h 22m
Multiple Airlines
Thu 25/64:00 p.m.
IAD
-
YQB
1 stop22h 27m
Multiple Airlines
Deal found 5/6C$ 866

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 10 June 2026.

Round-trip from

C$ 633

One-way from

C$ 337

Good round-trip deal

C$ 329 or less

Good one-way deal

C$ 444 or less
United Airlines
  • United Airlines
  • 11/7-12/7
  • 2 total stops
  • 12h 04m total
  • Québec City to Washington, D.C.
Search Deals
31/8
  • 31/8
  • 2 total stops
  • 13h 12m total
  • Québec City to Washington, D.C.
Search Deals
Price to beat on a round-trip flight from Québec City to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Québec City to Washington, D.C. Dulles Intl.
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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 10 June 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

Wed 22/7

6:40 a.m.-7:38 p.m.

2 stops12h 58m

Washington, D.C. Dulles Intl

Sun 26/7

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

1 stop22h 27m

C$ 785

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 22/7

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

1 stop19h 15m

Washington, D.C. Dulles Intl

Wed 29/7

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

1 stop22h 27m

C$ 846

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 17/9

4:55 p.m.-7:20 a.m.

2 stops14h 25m

Washington, D.C. Dulles Intl

Mon 21/9

10:15 p.m.-12:02 p.m.

2 stops13h 47m

C$ 911

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 24/7

10:25 a.m.-3:01 p.m.

1 stop4h 36m

Washington, D.C. Dulles Intl

Fri 31/7

9:45 a.m.-1:55 p.m.

1 stop4h 10m

C$ 912

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 24/7

4:55 p.m.-7:22 a.m.

1 stop14h 27m

Washington, D.C. Dulles Intl

Fri 31/7

6:33 a.m.-4:00 p.m.

1 stop9h 27m

C$ 943
Quickest round-trip

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 11/7

6:00 p.m.-8:18 p.m.

Nonstop2h 18m

Washington, D.C. Dulles Intl

Sun 12/7

9:45 a.m.-1:55 p.m.

1 stop4h 10m

C$ 952

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 11/7

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

1 stop19h 15m

Washington, D.C. Dulles Intl

Sun 12/7

3:55 p.m.-8:00 p.m.

2 stops28h 05m

C$ 955
Cheapest one-way

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 15/7

6:40 a.m.-7:38 p.m.

2 stops12h 58m

C$ 339

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 16/7

6:40 a.m.-11:20 a.m.

3 stops28h 40m

C$ 427

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 23/7

4:55 p.m.-3:11 p.m.

2 stops22h 16m

C$ 435

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 18 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.

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 10 June 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 36m. Fly via Porter Airlines, 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.

  • What are the cheapest flights from Québec City to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay C$ 465 for a flight from Québec City to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is C$ 329 while the most popular route, (Québec City - Washington, D.C. Dulles Intl) is currently priced at C$ 785.

  • 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
Chantilly
Herndon
Arlington
Fredericksburg
Alexandria
Rockville

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