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Québec City

$182+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$410
(Trip.com)

One-way from

$182
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$799
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. 10% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 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 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 August 14, 2025.

This Trip.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/1511:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Mon 9/2211:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/12$410
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/811:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Mon 9/1511:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/13$412
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Thu 10/911:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Mon 10/1311:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/12$451
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/1211:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Fri 9/1911:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/13$468
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 10/311:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Mon 10/611:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/13$479
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/1111:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Fri 9/1911:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/11$480
This Gotogate deal was found by Cheapflights users on 8/12. 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 9/2611:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Fri 10/311:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/12$493
This FlightHub deal was found by Cheapflights users on 8/13. 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.
Thu 9/1111:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Mon 9/1511:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/13$494
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Sun 9/2811:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/13$498
This FlightHub deal was found by Cheapflights users on 8/12. 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.
Fri 9/1211:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Mon 9/2211:00 amYQB - IAD
1 stop4h 06mPorter Airlines
Deal found 8/12$505
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:26 pmIAD - YQB
2 stops20h 18mAmerican Airlines
Wed 9/174:14 pmYQB - IAD
2 stops21h 09mAmerican Airlines
Deal found 8/12$506

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 August 14, 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

Mon 9/15

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Mon 9/22

11:00 am-3:06 pm

1 stop4h 06m

$410

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 9/8

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Mon 9/15

11:00 am-3:06 pm

1 stop4h 06m

$412

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 10/9

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Mon 10/13

11:00 am-3:06 pm

1 stop4h 06m

$451

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 9/12

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Fri 9/19

11:00 am-3:06 pm

1 stop4h 06m

$468

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 10/3

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Mon 10/6

11:00 am-3:06 pm

1 stop4h 06m

$479

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 9/11

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Thu 9/18

11:00 am-3:06 pm

1 stop4h 06m

$480

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 9/11

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Fri 9/19

11:00 am-3:06 pm

1 stop4h 06m

$480

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 9/15

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Sat 9/20

11:00 am-3:06 pm

1 stop4h 06m

$480

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 9/12

11:35 am-3:55 pm

1 stop4h 20m

Québec City

Thu 9/18

11:00 am-3:06 pm

1 stop4h 06m

$480

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 10/15

9:00 am-3:55 pm

3 stops30h 55m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 18 results
1
2

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 August 14, 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 August 14, 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
8.0
Very good
332 reviews

Crew

8.7

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
332 reviews
Porter Airlines
8.0
Very good
332 reviews

Crew

8.7

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,916 reviews
Porter Airlines
8.0
Very good
332 reviews

Crew

8.7

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,949 reviews
Porter Airlines
8.0
Very good
332 reviews

Crew

8.7

Entertainment

7.0

Food

7.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

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

    Porter Airlines, at $285, 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 60% 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, 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$285Average$519FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$341Average$756FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$619Average$826FlexibilityNo cancel feeOn-time69%

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