Find flights
When to book
FAQs

Cheap flights from Washington, D.C. Dulles Intl Airport to Québec City from C$ 175

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 558

One-way from

C$ 175

Popular in

August

Cheapest in

March

Average price

C$ 942
Porter Airlines
  • Porter Airlines
  • 12/10-16/10
  • 2 total stops
  • 8h 26m total
  • Washington, D.C. to Québec City
Search Deals
22/10
  • 22/10
  • 3 total stops
  • 30h 55m total
  • Washington, D.C. to Québec City
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 11 September 2025.

Sun 12/1011:35 a.m.IAD - YQB
1 stop4h 20mPorter Airlines
Thu 16/1011:00 a.m.YQB - IAD
1 stop4h 06mPorter Airlines
Deal found 9/9C$ 558
Sat 25/104:22 p.m.IAD - YQB
2 stops22h 58mMultiple Airlines
Fri 31/106:30 a.m.YQB - IAD
1 stop13h 21mMultiple Airlines
Deal found 10/9C$ 568
Sat 25/105:15 p.m.IAD - YQB
1 stop20h 58mUnited Airlines
Fri 31/102:55 p.m.YQB - IAD
1 stop26h 35mUnited Airlines
Deal found 10/9C$ 607
Sat 25/106:34 a.m.IAD - YQB
2 stops31h 02mAmerican Airlines
Fri 31/104:14 p.m.YQB - IAD
2 stops27h 31mAmerican Airlines
Deal found 10/9C$ 619
Fri 31/1010:35 p.m.IAD - YQB
1 stop15h 38mUnited Airlines
Mon 3/112:55 p.m.YQB - IAD
1 stop20h 54mUnited Airlines
Deal found 10/9C$ 637
Fri 3/1011:35 a.m.IAD - YQB
1 stop4h 20mPorter Airlines
Mon 6/1011:00 a.m.YQB - IAD
1 stop4h 06mPorter Airlines
Deal found 10/9C$ 654
Sat 25/106:34 a.m.IAD - YQB
2 stops31h 02mAmerican Airlines
Sat 1/114:14 p.m.YQB - IAD
2 stops24h 48mAmerican Airlines
Deal found 9/9C$ 664
Mon 20/104:20 p.m.IAD - YQB
2 stops16h 20mMultiple Airlines
Fri 24/1011:00 a.m.YQB - IAD
1 stop4h 06mMultiple Airlines
Deal found 9/9C$ 668
Fri 5/1210:35 p.m.IAD - YQB
2 stops24h 08mUnited Airlines
Tue 9/125:00 a.m.YQB - IAD
2 stops12h 30mUnited Airlines
Deal found 10/9C$ 671
Wed 1/104:20 p.m.IAD - YQB
1 stop23h 35mPorter Airlines
Mon 6/1011:00 a.m.YQB - IAD
1 stop4h 06mPorter Airlines
Deal found 9/9C$ 676

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 629,999 searches. Data last updated 11 September 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 20/10

11:35 a.m.-3:55 p.m.

1 stop4h 20m

Québec City

Fri 24/10

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

1 stop4h 06m

C$ 578

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 25/10

5:15 p.m.-2:13 p.m.

1 stop20h 58m

Québec City

Fri 31/10

2:55 p.m.-5:30 p.m.

1 stop26h 35m

C$ 607

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-6:40 p.m.

2 stops7h 05m

Québec City

Thu 16/10

11:00 a.m.-10:16 a.m.

1 stop23h 16m

C$ 632

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 21/10

4:20 p.m.-6:40 p.m.

2 stops26h 20m

Québec City

Sat 25/10

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

1 stop4h 06m

C$ 636

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 14/11

10:35 p.m.-2:13 p.m.

1 stop15h 38m

Québec City

Mon 17/11

2:55 p.m.-11:49 a.m.

1 stop20h 54m

C$ 637

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 31/10

10:35 p.m.-2:13 p.m.

1 stop15h 38m

Québec City

Mon 3/11

2:55 p.m.-11:49 a.m.

1 stop20h 54m

C$ 637

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 5/12

10:35 p.m.-10:43 p.m.

2 stops24h 08m

Québec City

Tue 9/12

5:00 a.m.-5:30 p.m.

2 stops12h 30m

C$ 671

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 1/10

4:20 p.m.-3:55 p.m.

1 stop23h 35m

Québec City

Mon 6/10

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

1 stop4h 06m

C$ 676

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 20/10

4:20 p.m.-8:00 a.m.

2 stops15h 40m

Québec City

Fri 24/10

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

1 stop28h 06m

C$ 686

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 15/11

9:00 a.m.-6:07 p.m.

2 stops9h 07m

Québec City

Wed 19/11

3:10 p.m.-8:54 p.m.

1 stop5h 44m

C$ 693

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 22 results
1
2
3

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Québec City?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Québec City. Price data was last updated on 29 August 2025.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Québec City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of C$ 258). Flying from Washington, D.C. Dulles Intl Airport to Québec City in December is currently the most expensive (average of C$ 432). 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?

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?

    Most people fly into Québec City (YQB) if they book a flight to Québec City from Washington, D.C. Dulles Intl. On average, Quebec has 0 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. Québec City is conveniently located just 13.5 km from Québec City’s city centre.

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

    Departing from Washington, D.C. Dulles Intl Airport to Québec City will take you 4h 20m. The distance between Washington, D.C. Dulles Intl Airport and Québec City is about 1001 km. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of C$ 258). Flying from Washington, D.C. Dulles Intl Airport to Québec City in December is currently the most expensive (average of C$ 432). 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 Québec City?

Book flights to Québec City if you plan to visit one of these locations
Victoriaville

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Québec City?

When you search for this flight from Dulles Intl to Québec City, 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 Dulles Intl to Québec City?

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Québec City by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dulles Intl to Québec City with no change fees?

Yes, we can. To see specific flights from Dulles Intl to Québec City 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 Dulles Intl to Québec City become cheaper?

Yes, Cheapflights offers price alerts on Dulles Intl to Québec City flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.