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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 327

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

C$ 664

One-way from

C$ 327

Popular in

January

Cheapest in

March

Average price

C$ 769
Air Canada
  • Air Canada
  • 23/10-29/10
  • 2 total stops
  • 12h 52m total
  • Québec City to Washington, D.C.
Search Deals
Porter Airlines
  • Porter Airlines
  • 18/10
  • 1 total stop
  • 4h 06m total
  • Québec City to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Québec City to Dulles Intl

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 18 September 2025.

Thu 23/105:20 a.m.YQB - IAD
1 stop8h 18mAir Canada
Wed 29/109:45 a.m.IAD - YQB
1 stop4h 34mAir Canada
Deal found 17/9C$ 664
Fri 31/106:30 a.m.YQB - IAD
1 stop13h 21mMultiple Airlines
Fri 7/116:30 p.m.IAD - YQB
2 stops13h 45mMultiple Airlines
Deal found 16/9C$ 688
Thu 23/1011:00 a.m.YQB - IAD
1 stop4h 06mMultiple Airlines
Wed 29/106:30 p.m.IAD - YQB
2 stops13h 45mMultiple Airlines
Deal found 17/9C$ 735
Tue 2/125:10 p.m.YQB - IAD
1 stop6h 11mMultiple Airlines
Sun 7/129:00 a.m.IAD - YQB
2 stops9h 14mMultiple Airlines
Deal found 16/9C$ 864
Fri 31/104:05 p.m.YQB - IAD
1 stop20h 24mPorter Airlines
Mon 3/116:30 p.m.IAD - YQB
1 stop20h 55mPorter Airlines
Deal found 16/9C$ 908

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 18 September 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

Thu 23/10

5:20 a.m.-1:38 p.m.

1 stop8h 18m

Washington, D.C. Dulles Intl

Wed 29/10

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

1 stop4h 34m

C$ 664

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 31/10

6:30 a.m.-7:51 p.m.

1 stop13h 21m

Washington, D.C. Dulles Intl

Fri 7/11

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

2 stops13h 45m

C$ 688

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 23/10

11:00 a.m.-3:06 p.m.

1 stop4h 06m

Washington, D.C. Dulles Intl

Wed 29/10

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

2 stops13h 45m

C$ 735

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 27/2

3:20 p.m.-8:59 p.m.

1 stop5h 39m

Washington, D.C. Dulles Intl

Tue 3/3

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

1 stop4h 44m

C$ 824

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 2/12

5:10 p.m.-11:21 p.m.

1 stop6h 11m

Washington, D.C. Dulles Intl

Sun 7/12

9:00 a.m.-6:14 p.m.

2 stops9h 14m

C$ 864

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 18/10

11:00 a.m.-3:06 p.m.

1 stop4h 06m

C$ 327

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 18/10

4:25 p.m.-10:16 a.m.

2 stops17h 51m

C$ 417

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 26/10

4:45 p.m.-10:24 a.m.

2 stops17h 39m

C$ 418

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 27/10

4:05 p.m.-10:24 a.m.

1 stop18h 19m

C$ 446

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 20/10

10:15 p.m.-3:06 p.m.

2 stops16h 51m

C$ 451

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 16 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 18 September 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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 18 September 2025.
Read through reviews of airlines operating flights from Québec City to Washington, D.C. Dulles Intl Airport, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews
Check prices

Crew

7.8

Entertainment

6.8

Food

6.3

Comfort

7.1

Boarding

7.3

Overall

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2024

YUL - YYZ

Was able to check the smaller carryon suitcase in Montreal but it was tagged incorrectly and we still have not received it or heard where it is.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Crew

7.8

Entertainment

6.8

Food

6.3

Comfort

7.1

Boarding

7.3

Overall

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2024

YUL - YYZ

Was able to check the smaller carryon suitcase in Montreal but it was tagged incorrectly and we still have not received it or heard where it is.

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. 1 airline has 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 8h 18m. Fly via Air Canada to get the fastest option. The distance between Québec City and Washington, D.C. Dulles Intl Airport is about 1001 km.

  • What is the cheapest airline to fly from Québec City to Washington, D.C. Dulles Intl Airport round-trip?

    Air Canada, at C$ 729, was found to be the cheapest airline from Québec City to Washington, D.C. Dulles Intl Airport..

  • 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.

  • What is the cheapest month to book a flight from Québec City to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Québec City to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Québec City to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Québec City to Dulles Intl

Discover the top airline that operate flights from Québec City to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 729AverageC$ 915FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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.

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