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Dulles Intl

$197+ Cheap flights from Québec City (YQB) to Dulles Intl (IAD)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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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 August 20, 2025.

Round-trip from

$218
(United Airlines)

One-way from

$197
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$579
From Québec City to Washington, D.C. Dulles Intl
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One-way flight from Québec City to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 10% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:20 amYQB - IAD
1 stop6h 25mUnited Airlines
Sat 10/1110:10 pmIAD - YQB
1 stop16h 06mUnited Airlines
Deal found 8/19$218
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Thu 10/2311:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Deal found 8/18$361
This Trip.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Fri 10/1011:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Deal found 8/19$520
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:55 pmYQB - IAD
1 stop6h 04mUnited Airlines
Sun 9/286:15 amIAD - YQB
1 stop3h 45mUnited Airlines
Deal found 8/20$524
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:00 amYQB - IAD
1 stop28h 06mMultiple Airlines
Fri 10/104:20 pmIAD - YQB
2 stops15h 40mMultiple Airlines
Deal found 8/19$528
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:20 amYQB - IAD
2 stops8h 31mUnited Airlines
Thu 10/2310:10 pmIAD - YQB
1 stop16h 06mUnited Airlines
Deal found 8/18$554
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:35 pmYQB - IAD
1 stop17h 41mMultiple Airlines
Thu 10/234:20 pmIAD - YQB
2 stops15h 40mMultiple Airlines
Deal found 8/20$577
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:35 pmYQB - IAD
1 stop17h 41mMultiple Airlines
Sun 9/284:20 pmIAD - YQB
2 stops23h 35mMultiple Airlines
Deal found 8/20$585

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 2,558,603 searches. Data last updated August 20, 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 10/11

5:20 am-11:45 am

1 stop6h 25m

Washington, D.C. Dulles Intl

Sat 10/11

10:10 pm-2:16 pm

1 stop16h 06m

$218

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 9/27

11:00 am-3:06 pm

1 stop4h 06m

Washington, D.C. Dulles Intl

Thu 10/23

11:35 am-3:55 pm

1 stop4h 20m

$361

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 10/3

11:00 am-3:06 pm

1 stop4h 06m

Washington, D.C. Dulles Intl

Fri 10/10

11:35 am-3:55 pm

1 stop4h 20m

$520

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 9/24

4:55 pm-10:59 pm

1 stop6h 04m

Washington, D.C. Dulles Intl

Sun 9/28

6:15 am-10:00 am

1 stop3h 45m

$524

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 10/3

11:00 am-3:06 pm

1 stop28h 06m

Washington, D.C. Dulles Intl

Fri 10/10

4:20 pm-8:00 am

2 stops15h 40m

$528

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 9/27

5:20 am-1:51 pm

2 stops8h 31m

Washington, D.C. Dulles Intl

Thu 10/23

10:10 pm-2:16 pm

1 stop16h 06m

$554

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 2/5

3:20 pm-8:59 pm

1 stop5h 39m

Washington, D.C. Dulles Intl

Sun 2/8

4:30 pm-10:43 pm

1 stop6h 13m

$567

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 10/2

11:00 am-6:19 pm

3 stops31h 19m

$197

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 10/2

11:00 am-3:06 pm

1 stop4h 06m

$208

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 10/6

11:00 am-3:06 pm

1 stop4h 06m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 18 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.

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?

    Québec City (YQB) is the airport you will fly out of if you book a flight from Québec City to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Quebec; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Québec City airport to Washington, D.C. Dulles Intl. It is only a 8.4 mi journey to Quebec (YQB) from Québec City’s city center.

  • How long is the flight from Québec City to Washington, D.C. Dulles Intl Airport?

    Airlines like United Airlines and Porter Airlines fly from Québec City to Washington, D.C. Dulles Intl Airport in about 4h 06m. The time it takes to get you to your destination can typically vary by up to 2h 19m. Airlines will cover a distance of 622 mi. Both multi-stop and nonstop 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?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at $208. United Airlines flights start at $258 while deals on Air Canada start at $262 one-way.

  • 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, July is the cheapest month in which you can book a flight from Québec City to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Québec City to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Traveling 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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