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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 344

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
30 Dec — 6 Jan1
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 30 November 2025.

Sat 13/126:00 a.m.YQB - IAD
2 stops15h 25mUnited Airlines
Sun 14/129:00 a.m.IAD - YQB
1 stop6h 58mUnited Airlines
Deal found 29/11C$ 708
Sat 13/126:00 a.m.YQB - IAD
2 stops9h 46mAir Canada
Sun 14/129:45 a.m.IAD - YQB
1 stop4h 44mAir Canada
Deal found 27/11C$ 715
Thu 11/123:15 p.m.YQB - IAD
1 stop5h 44mAir Canada
Tue 16/129:45 a.m.IAD - YQB
1 stop4h 34mAir Canada
Deal found 29/11C$ 813
Thu 11/124:00 p.m.YQB - IAD
1 stop25h 14mMultiple Airlines
Tue 16/126:30 p.m.IAD - YQB
2 stops13h 45mMultiple Airlines
Deal found 29/11C$ 880
Fri 26/125:00 p.m.YQB - IAD
2 stops17h 24mMultiple Airlines
Fri 2/16:30 p.m.IAD - YQB
1 stop20h 50mMultiple Airlines
Deal found 28/11C$ 921
Fri 19/121:40 p.m.YQB - IAD
2 stops7h 45mAir Canada
Mon 22/129:00 a.m.IAD - YQB
2 stops9h 14mAir Canada
Deal found 29/11C$ 926
Fri 26/125:00 a.m.YQB - IAD
1 stop6h 48mAir Canada
Fri 2/19:45 a.m.IAD - YQB
1 stop4h 34mAir Canada
Deal found 28/11C$ 932

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 30 November 2025.

Round-trip from

C$ 708

One-way from

C$ 344

Popular in

January

Cheapest in

March
United Airlines
  • United Airlines
  • 13/12-14/12
  • 3 total stops
  • 22h 23m total
  • Québec City to Washington, D.C.
Search Deals
8/12
  • 8/12
  • 2 total stops
  • 55h 59m total
  • Québec City to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 249 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 73 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 30 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

Sat 13/12

6:00 a.m.-9:25 p.m.

2 stops15h 25m

Washington, D.C. Dulles Intl

Sun 14/12

9:00 a.m.-3:58 p.m.

1 stop6h 58m

C$ 708

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 13/12

6:00 a.m.-3:46 p.m.

2 stops9h 46m

Washington, D.C. Dulles Intl

Sun 14/12

9:45 a.m.-2:29 p.m.

1 stop4h 44m

C$ 715

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 3/3

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

1 stop5h 39m

Washington, D.C. Dulles Intl

Thu 19/3

9:55 a.m.-2:19 p.m.

1 stop4h 24m

C$ 721

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 13/2

1:40 p.m.-8:29 p.m.

2 stops6h 49m

Washington, D.C. Dulles Intl

Tue 17/2

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

1 stop4h 34m

C$ 777

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 8/12

6:30 a.m.-2:29 p.m.

2 stops55h 59m

C$ 344

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 4/1

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

2 stops17h 34m

C$ 406

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 8/12

6:00 a.m.-8:59 p.m.

1 stop14h 59m

C$ 534

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 31/12

3:20 p.m.-5:14 p.m.

2 stops25h 54m

C$ 538

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 30/12

3:20 p.m.-10:24 a.m.

2 stops19h 04m

C$ 555

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 4/1

4:00 p.m.-10:19 a.m.

1 stop18h 19m

C$ 581

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/11

Showing 1-10 of 13 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 30 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 9h 46m. 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
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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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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