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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 438

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
6 Jan — 13 Jan1
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 7 December 2025.

Sat 13/125:00 a.m.YQB - IAD
2 stops16h 18mUnited Airlines
Sun 14/129:00 a.m.IAD - YQB
1 stop6h 58mUnited Airlines
Deal found 6/12C$ 768
Sat 20/124:00 p.m.YQB - IAD
1 stop18h 24mMultiple Airlines
Fri 2/16:30 p.m.IAD - YQB
2 stops13h 45mMultiple Airlines
Deal found 5/12C$ 851
Sat 20/124:00 p.m.YQB - IAD
1 stop18h 24mPorter Airlines
Fri 2/16:30 p.m.IAD - YQB
1 stop20h 50mPorter Airlines
Deal found 5/12C$ 923
Fri 19/1210:45 p.m.YQB - IAD
2 stops11h 39mMultiple Airlines
Sat 3/16:30 p.m.IAD - YQB
2 stops15h 30mMultiple Airlines
Deal found 5/12C$ 949
Fri 19/125:10 p.m.YQB - IAD
1 stop5h 56mUnited Airlines
Sat 3/16:00 a.m.IAD - YQB
1 stop5h 08mUnited Airlines
Deal found 5/12C$ 1,010
Sat 13/1210:40 a.m.YQB - IAD
1 stop5h 06mAir Canada
Sun 14/129:45 a.m.IAD - YQB
1 stop4h 44mAir Canada
Deal found 6/12C$ 1,104
Sat 13/1210:40 a.m.YQB - IAD
1 stop5h 06mMultiple Airlines
Sun 14/121:20 p.m.IAD - YQB
1 stop18h 55mMultiple Airlines
Deal found 5/12C$ 1,129

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 7 December 2025.

Round-trip from

C$ 800

One-way from

C$ 438

Popular in

January

Cheapest in

March

Average price

C$ 1,097
Air Canada
  • Air Canada
  • 30/1-31/1
  • 2 total stops
  • 13h 41m total
  • Québec City to Washington, D.C.
Search Deals
4/1
  • 4/1
  • 2 total stops
  • 17h 34m total
  • Québec City to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 259 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 7 December 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

Fri 30/1

5:00 a.m.-11:48 a.m.

1 stop6h 48m

Washington, D.C. Dulles Intl

Sat 31/1

9:00 a.m.-3:53 p.m.

1 stop6h 53m

C$ 800

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 21/4

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

1 stop9h 12m

Washington, D.C. Dulles Intl

Tue 5/5

5:20 p.m.-10:43 p.m.

1 stop5h 23m

C$ 818

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 13/1

3:15 p.m.-8:54 p.m.

1 stop5h 39m

Washington, D.C. Dulles Intl

Fri 16/1

9:45 a.m.-2:19 p.m.

1 stop4h 34m

C$ 830

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 20/12

4:00 p.m.-10:24 a.m.

1 stop18h 24m

Washington, D.C. Dulles Intl

Fri 2/1

6:30 p.m.-8:15 a.m.

2 stops13h 45m

C$ 851

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 21/4

10:45 p.m.-10:24 a.m.

2 stops11h 39m

Washington, D.C. Dulles Intl

Tue 5/5

1:45 p.m.-8:20 a.m.

2 stops18h 35m

C$ 866

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 13/1

6:00 a.m.-8:53 p.m.

2 stops14h 53m

Washington, D.C. Dulles Intl

Fri 16/1

10:12 p.m.-10:43 p.m.

2 stops24h 31m

C$ 888

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 13/2

5:00 a.m.-4:28 p.m.

2 stops11h 28m

Washington, D.C. Dulles Intl

Tue 17/2

8:15 a.m.-10:28 p.m.

2 stops14h 13m

C$ 908

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 20/12

4:00 p.m.-10:24 a.m.

1 stop18h 24m

Washington, D.C. Dulles Intl

Fri 2/1

6:30 p.m.-3:20 p.m.

1 stop20h 50m

C$ 923

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 4/1

4:45 p.m.-10:19 a.m.

2 stops17h 34m

C$ 438

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 5/1

10:45 p.m.-10:19 a.m.

2 stops35h 34m

C$ 489

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 14 results
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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 7 December 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 in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.

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 6h 48m. Fly via Air Canada or United 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
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Herndon
Arlington
Manassas
Fredericksburg
Alexandria
Rockville

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

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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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