HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Québec City

$252+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Québec City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 21, 2026.

This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/209:00 am
IAD
-
YQB
1 stop6h 58m
Air Canada
Thu 2/269:15 am
YQB
-
IAD
2 stops11h 14m
Air Canada
Deal found 1/21$539
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:10 pm
IAD
-
YQB
2 stops15h 05m
Multiple Airlines
Tue 5/1910:45 pm
YQB
-
IAD
2 stops16h 36m
Multiple Airlines
Deal found 1/20$564
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Mon 4/136:30 pm
IAD
-
YQB
2 stops13h 45m
Multiple Airlines
Sat 4/181:45 pm
YQB
-
IAD
1 stop27h 29m
Multiple Airlines
Deal found 1/20$583
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:45 am
IAD
-
YQB
1 stop4h 34m
Air Canada
Tue 2/243:15 pm
YQB
-
IAD
1 stop5h 39m
Air Canada
Deal found 1/20$586
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 4/511:40 am
IAD
-
YQB
1 stop27h 40m
Multiple Airlines
Tue 4/1410:45 pm
YQB
-
IAD
2 stops11h 39m
Multiple Airlines
Deal found 1/21$588
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 3/2611:40 am
IAD
-
YQB
1 stop4h 00m
Porter Airlines
Sun 3/294:00 pm
YQB
-
IAD
1 stop18h 24m
Porter Airlines
Deal found 1/21$590
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Wed 5/611:35 am
IAD
-
YQB
1 stop4h 20m
Multiple Airlines
Sun 5/102:30 pm
YQB
-
IAD
2 stops24h 26m
Multiple Airlines
Deal found 1/19$598
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sun 2/226:30 pm
IAD
-
YQB
2 stops13h 45m
Multiple Airlines
Sat 2/281:45 pm
YQB
-
IAD
1 stop27h 29m
Multiple Airlines
Deal found 1/21$599
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Mon 2/238:54 am
IAD
-
YQB
2 stops23h 21m
Multiple Airlines
Thu 2/264:25 pm
YQB
-
IAD
1 stop24h 49m
Multiple Airlines
Deal found 1/20$601
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Fri 3/276:30 pm
IAD
-
YQB
2 stops13h 45m
Multiple Airlines
Sun 4/54:00 pm
YQB
-
IAD
1 stop25h 14m
Multiple Airlines
Deal found 1/20$604
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 3/2611:40 am
IAD
-
YQB
1 stop4h 00m
Multiple Airlines
Sun 3/296:15 am
YQB
-
IAD
2 stops25h 09m
Multiple Airlines
Deal found 1/21$608

Find 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$539
(Gotogate)

One-way from

$252
(Mytrip)

Popular in

January

Cheapest in

March

Average price

$1,154
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Québec City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Québec City flights.
Search Deals
From Washington, D.C. Dulles Intl to Québec City
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Québec City
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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 3/26

11:40 am-3:40 pm

1 stop4h 00m

Québec City

Sun 3/29

4:00 pm-10:24 am

1 stop18h 24m

$590

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 3/14

9:55 am-10:00 am

1 stop24h 05m

Québec City

Mon 3/16

3:15 pm-8:54 pm

1 stop5h 39m

$615

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 5/13

4:10 pm-7:15 am

2 stops15h 05m

Québec City

Tue 5/19

3:15 pm-3:21 pm

1 stop24h 06m

$648

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 4/8

6:01 am-4:25 pm

2 stops10h 24m

Québec City

Sat 4/11

1:45 pm-5:14 pm

1 stop27h 29m

$652

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 3/8

6:30 pm-8:15 am

2 stops13h 45m

Québec City

Sun 3/15

4:00 pm-10:24 am

1 stop18h 24m

$655

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 4/9

6:30 pm-3:20 pm

1 stop20h 50m

Québec City

Sun 4/12

4:00 pm-10:24 am

1 stop18h 24m

$680

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 6/20

1:20 pm-3:18 pm

Nonstop1h 58m

Québec City

Sat 6/27

6:00 pm-8:18 pm

Nonstop2h 18m

$708

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 6/3

5:20 pm-10:43 pm

1 stop5h 23m

Québec City

Sat 6/6

6:00 pm-8:18 pm

Nonstop2h 18m

$718

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 4/10

4:30 pm-10:25 pm

1 stop5h 55m

Québec City

Tue 4/14

10:40 am-3:39 pm

1 stop4h 59m

$724

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 7/4

1:20 pm-3:18 pm

Nonstop1h 58m

Québec City

Wed 7/8

4:55 pm-11:00 pm

1 stop6h 05m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Dulles Intl to Québec City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Québec City in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Québec City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Québec City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Québec City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Québec City flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Québec City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of $288). Flying from Washington, D.C. Dulles Intl Airport to Québec City in January is currently the most expensive (average of $800). 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.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Québec City?

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 January 21, 2026.
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
412 reviews

Boarding

8.2

Crew

8.6

Overall

7.9

Entertainment

6.9

Food

7.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Crew

8.6

Overall

7.9

Entertainment

6.9

Food

7.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,190 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Crew

8.6

Overall

7.9

Entertainment

6.9

Food

7.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,646 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Crew

8.6

Overall

7.9

Entertainment

6.9

Food

7.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 4h. Fly via Porter 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 $235, 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 United Airlines and Air Canada. You may be able to fly from Washington, D.C. Dulles Intl Airport to Québec City for 71% less than the average price by searching for these airlines.

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of $288). Flying from Washington, D.C. Dulles Intl Airport to Québec City in January is currently the most expensive (average of $800). 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

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.

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$235Average$501FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$288Average$826FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$428Average$766FlexibilityNo cancel feeOn-time67%

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.