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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 358

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
8 Sep — 15 Sep1
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 9 August 2026.

Sat 19/96:00 p.m. -
Nonstop2h 05m
Sat 19/910:27 p.m. -
1 stop15h 41m
Deal found 5/8C$ 566
Fri 4/96:40 a.m. -
1 stop9h 05m
Sun 6/912:05 p.m. -
1 stop10h 15m
Deal found 6/8C$ 727
Sat 19/93:10 p.m. -
1 stop19h 35m
Sat 26/911:25 a.m. -
2 stops8h 35m
Deal found 7/8C$ 730
Fri 4/94:55 p.m. -
2 stops14h 25m
Sun 6/910:15 p.m. -
2 stops13h 47m
Deal found 6/8C$ 747
Wed 2/94:55 p.m. -
2 stops14h 25m
Sun 6/910:15 p.m. -
2 stops13h 47m
Deal found 5/8C$ 769
Fri 28/83:10 p.m. -
1 stop19h 35m
Wed 2/93:50 p.m. -
1 stop22h 37m
Deal found 8/8C$ 775

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 9 August 2026.

Round-trip from

C$ 566

One-way from

C$ 358

Good round-trip deal

C$ 574 or less
United Airlines
  • United Airlines
  • 19/9-19/9
  • 1 total stop
  • 17h 46m total
  • Québec City to Washington, D.C.
Search Deals
Porter Airlines
  • Porter Airlines
  • 24/9
  • 1 total stop
  • 8h 30m 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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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 9 August 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 Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 19/9

6:00 p.m.-8:05 p.m.

Nonstop2h 05m

Washington, D.C. Dulles Intl

Sat 19/9

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

1 stop15h 41m

C$ 566

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Wed 2/9

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

2 stops14h 25m

Washington, D.C. Dulles Intl

Sun 6/9

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

2 stops13h 47m

C$ 769

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 19/9

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

1 stop19h 35m

Washington, D.C. Dulles Intl

Sat 26/9

11:25 a.m.-2:27 p.m.

1 stop27h 02m

C$ 810

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

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$ 828

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 17/10

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

1 stop19h 35m

Washington, D.C. Dulles Intl

Mon 19/10

11:25 a.m.-2:27 p.m.

1 stop27h 02m

C$ 832

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Fri 4/9

3:35 p.m.-11:20 a.m.

2 stops19h 45m

Washington, D.C. Dulles Intl

Sun 6/9

12:05 p.m.-8:00 p.m.

2 stops7h 55m

C$ 838

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 17/10

10:30 a.m.-9:27 p.m.

2 stops10h 57m

Washington, D.C. Dulles Intl

Mon 19/10

10:25 p.m.-7:10 p.m.

2 stops20h 45m

C$ 943
Quickest round-trip

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 19/9

6:00 p.m.-8:05 p.m.

Nonstop2h 05m

Washington, D.C. Dulles Intl

Sat 26/9

6:45 a.m.-4:12 p.m.

1 stop9h 27m

C$ 964
Cheapest one-way
Quickest one-way

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Thu 24/9

6:40 a.m.-3:10 p.m.

1 stop8h 30m

C$ 358

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Thu 24/9

4:55 p.m.-10:45 a.m.

2 stops17h 50m

C$ 404

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 16 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 9 August 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 2h 05m. Fly via United Airlines, Porter 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$ 574 for a flight from Québec City to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is C$ 423 while the most popular route, (Québec City - Washington, D.C. Dulles Intl) is currently priced at C$ 727.

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

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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.

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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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