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Québec City

$166+ Cheap flights from Dulles Intl (IAD) to Québec City (YQB)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to Québec City

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Québec City (YQB). 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 September 17, 2025.

Round-trip from

$428
(Kiwi.com)

One-way from

$166
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$717
From Washington, D.C. Dulles Intl to Québec City
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One-way flight from Washington, D.C. Dulles Intl to Québec City
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Highest demand for flights based on searches. 12% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to Québec City

Cheapest flights from Dulles Intl to Québec City
Explore the most affordable flight options available from Dulles Intl to Québec City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/259:38 pmIAD - YQB
2 stops17h 42mMultiple Airlines
Fri 10/316:30 amYQB - IAD
1 stop13h 21mMultiple Airlines
Deal found 9/15$428
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/1611:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Thu 10/2311:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 9/16$475
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1711:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Sat 10/1811:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 9/16$481
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/1611:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Sat 10/1811:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 9/16$486
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/3111:40 amIAD - YQB
1 stop27h 45mMultiple Airlines
Fri 11/76:30 amYQB - IAD
1 stop13h 21mMultiple Airlines
Deal found 9/16$488
This Flightnetwork deal was found by Cheapflights users on 9/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:45 amIAD - YQB
1 stop4h 34mAir Canada
Fri 11/75:00 amYQB - IAD
1 stop10h 51mAir Canada
Deal found 9/16$507
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Thu 10/1611:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 9/15$510
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:13 pmIAD - YQB
2 stops19h 07mMultiple Airlines
Mon 11/310:45 pmYQB - IAD
2 stops18h 29mMultiple Airlines
Deal found 9/16$519
This Trip.com deal was found by Cheapflights users on 9/16. 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 10/1711:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Mon 10/2011:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 9/16$528
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Tue 10/74:20 pmIAD - YQB
2 stops15h 40mMultiple Airlines
Fri 10/1011:00 amYQB - IAD
1 stop4h 06mMultiple Airlines
Deal found 9/17$532
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/154:20 pmIAD - YQB
2 stops16h 20mMultiple Airlines
Sat 10/1811:00 amYQB - IAD
1 stop4h 06mMultiple Airlines
Deal found 9/16$534

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Québec City 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 September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Québec City that are best for you.

Fly from

Dulles Intl

Fly to

Québec City

Route

Depart

Return

Price

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 10/16

4:20 pm-8:40 am

2 stops16h 20m

Québec City

Thu 10/23

11:00 am-3:06 pm

1 stop4h 06m

$530

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 11/10

6:30 pm-8:15 am

2 stops13h 45m

Québec City

Thu 11/13

4:05 pm-10:24 am

1 stop18h 19m

$558

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 10/30

10:35 pm-2:13 pm

1 stop15h 38m

Québec City

Mon 11/3

2:55 pm-11:59 pm

1 stop9h 04m

$563

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 10/19

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Mon 10/20

10:15 pm-3:06 pm

2 stops16h 51m

$563

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 11/4

5:15 pm-2:13 pm

1 stop20h 58m

Québec City

Mon 11/10

2:55 pm-5:30 pm

1 stop26h 35m

$564

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 10/18

8:20 am-2:16 pm

1 stop5h 56m

Québec City

Tue 10/21

5:20 am-5:37 pm

2 stops12h 17m

$584

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 10/30

10:35 pm-2:13 pm

1 stop15h 38m

Québec City

Thu 11/6

2:55 pm-11:59 pm

1 stop9h 04m

$590

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 11/10

10:35 pm-2:13 pm

1 stop15h 38m

Québec City

Thu 11/13

2:55 pm-11:59 pm

1 stop9h 04m

$590

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 10/18

6:30 am-4:00 pm

2 stops9h 30m

Québec City

Wed 10/22

5:20 am-5:37 pm

2 stops12h 17m

$594

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 12/2

6:30 am-10:28 pm

2 stops15h 58m

Québec City

Wed 12/10

6:00 am-9:18 pm

2 stops15h 18m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 results
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Best time to book a flight from Dulles Intl to Québec City

Have a flexible travel schedule? Discover the best time to fly to Québec City from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Québec City

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of $363). Flying from Washington, D.C. Dulles Intl Airport to Québec City in September is currently the most expensive (average of $584). 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.

What is the cheapest time of day to fly from IAD to YQB?

Find hourly flight availability from Dulles Intl to Québec City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Québec City in the morning. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Québec City

Get insights into the airlines that provide service to Québec City. 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 Québec City. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown Porter Airlines, United Airlines, and Air Canada from Washington, D.C. Dulles Intl Airport to Québec City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
365 reviews

Boarding

8.2

Comfort

7.9

Food

7.6

Entertainment

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews

Boarding

8.2

Comfort

7.9

Food

7.6

Entertainment

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,926 reviews
Porter Airlines
7.9
Good
365 reviews

Boarding

8.2

Comfort

7.9

Food

7.6

Entertainment

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews

Boarding

8.2

Comfort

7.9

Food

7.6

Entertainment

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Québec City. 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 into for flights to Québec City from Washington, D.C. Dulles Intl?

    If you book a flight to Québec City from Washington, D.C. Dulles Intl, you will be flying to Quebec, which is the city’s only airport. Québec City (YQB) is located 8.4 mi from the center of Québec City. There are 0 flights from Washington, D.C. Dulles Intl to Quebec per day from 3 different airlines.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Québec City in 15h 38m. Fly via United Airlines to get the fastest option. There are 622 mi between Washington, D.C. Dulles Intl Airport and Québec City.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Québec City round-trip?

    Porter Airlines, at $294, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Québec City.Alternate airlines to your destination round-trip include Air Canada and United Airlines. You may be able to fly from Washington, D.C. Dulles Intl Airport to Québec City for 61% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Québec City one-way?

    One-way options have recently been found by users for as low as $310 on United Airlines. Other airlines that offer cheap prices include Porter Airlines from $310 and Air Canada from $318 one-way.

  • Can I find deals for flights from Dulles Intl to Québec City that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Québec City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Québec City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Québec City.

  • Can I find deals for business class flights from Dulles Intl to Québec City?

    Yes. Cheapflights offers flight deals from Dulles Intl to Québec City 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 Washington, D.C. Dulles Intl Airport to Québec City?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of $363). Flying from Washington, D.C. Dulles Intl Airport to Québec City in September is currently the most expensive (average of $584). 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

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Top 3 airlines flying from Dulles Intl to Québec City

Discover the top 3 airlines that operate flights from Dulles Intl to Québec City. 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$294Average$519FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$341Average$802FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$619Average$842FlexibilityNo cancel feeOn-time69%

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