Find flights
When to book
FAQs

Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 392

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 November 2025.

Fri 19/126:30 a.m.YQB - IAD
1 stop9h 16mMultiple Airlines
Mon 22/126:30 p.m.IAD - YQB
2 stops15h 30mMultiple Airlines
Deal found 13/11C$ 742
Fri 19/1210:55 a.m.YQB - IAD
1 stop5h 29mAir Canada
Mon 22/1212:35 p.m.IAD - YQB
1 stop10h 08mAir Canada
Deal found 11/11C$ 1,000

Cheap 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 November 2025.

Round-trip from

C$ 742

One-way from

C$ 392

Popular in

January

Cheapest in

March
19/12-22/12
  • 19/12-22/12
  • 3 total stops
  • 24h 46m total
  • Québec City to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 17/1
  • 1 total stop
  • 10h 46m total
  • Québec City to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 251 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 74 potential savings vs. average RT price).
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 November 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 19/12

6:30 a.m.-3:46 p.m.

1 stop9h 16m

Washington, D.C. Dulles Intl

Mon 22/12

6:30 p.m.-10:00 a.m.

2 stops15h 30m

C$ 742

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 8/2

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

1 stop18h 24m

Washington, D.C. Dulles Intl

Thu 26/2

11:40 a.m.-3:40 p.m.

1 stop4h 00m

C$ 813

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 27/2

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

1 stop5h 39m

Washington, D.C. Dulles Intl

Tue 3/3

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

1 stop4h 34m

C$ 870

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 19/12

10:55 a.m.-4:24 p.m.

1 stop5h 29m

Washington, D.C. Dulles Intl

Mon 22/12

12:35 p.m.-10:43 p.m.

1 stop10h 08m

C$ 1,000

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 17/1

5:00 a.m.-3:46 p.m.

1 stop10h 46m

C$ 392

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 6/12

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

1 stop18h 24m

C$ 415

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 6/12

4:30 p.m.-10:24 a.m.

2 stops17h 54m

C$ 460

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 22/2

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

1 stop18h 24m

C$ 481

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 17/1

6:00 a.m.-9:08 p.m.

2 stops15h 08m

C$ 489

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 22/2

5:00 a.m.-5:25 p.m.

2 stops12h 25m

C$ 552

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results
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 November 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 5h 39m. Fly via 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 airlines to fly from Québec City to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Québec City to Washington, D.C. Dulles Intl Airport are Air Canada (C$ 392), Porter Airlines (C$ 415), and United Airlines (C$ 489).

  • 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
Warrenton
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Herndon
Arlington
Winchester
Manassas
Fredericksburg
Alexandria
Rockville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Québec City to Dulles Intl?

When you search for this flight from Québec City to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Dulles Intl from Québec City by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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.

Can Cheapflights notify me if prices for flights from Québec City to Dulles Intl become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.