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Cheap flights from Washington, D.C. Dulles Intl Airport to Québec City from C$ 347

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Québec City

Enter your travel dates to find the best prices.

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 29 July 2026.

Fri 18/93:50 p.m.
IAD
-
YQB
1 stop22h 37m
Multiple Airlines
Wed 23/96:40 a.m.
YQB
-
IAD
2 stops13h 29m
Multiple Airlines
Deal found 28/7C$ 734
Mon 26/1011:20 a.m.
IAD
-
YQB
1 stop25h 50m
Porter Airlines
Fri 30/105:25 p.m.
YQB
-
IAD
1 stop17h 13m
Porter Airlines
Deal found 27/7C$ 742
Mon 21/93:50 p.m.
IAD
-
YQB
1 stop22h 37m
Multiple Airlines
Sat 26/96:40 a.m.
YQB
-
IAD
2 stops13h 29m
Multiple Airlines
Deal found 28/7C$ 752
Sat 29/811:25 a.m.
IAD
-
YQB
2 stops11h 21m
Multiple Airlines
Mon 31/84:55 p.m.
YQB
-
IAD
3 stops17h 50m
Multiple Airlines
Deal found 25/7C$ 760
Mon 28/93:50 p.m.
IAD
-
YQB
1 stop22h 37m
Multiple Airlines
Mon 5/106:40 a.m.
YQB
-
IAD
2 stops13h 29m
Multiple Airlines
Deal found 26/7C$ 762
Thu 24/93:50 p.m.
IAD
-
YQB
1 stop22h 37m
Multiple Airlines
Mon 28/96:40 a.m.
YQB
-
IAD
2 stops13h 29m
Multiple Airlines
Deal found 26/7C$ 766
Tue 15/911:25 a.m.
IAD
-
YQB
1 stop27h 02m
Multiple Airlines
Mon 21/96:40 a.m.
YQB
-
IAD
2 stops13h 29m
Multiple Airlines
Deal found 26/7C$ 769
Sat 19/99:55 a.m.
IAD
-
YQB
2 stops7h 31m
Multiple Airlines
Mon 21/96:25 p.m.
YQB
-
IAD
2 stops16h 20m
Multiple Airlines
Deal found 26/7C$ 776
Sun 23/83:50 p.m.
IAD
-
YQB
1 stop25h 00m
Porter Airlines
Thu 27/85:45 p.m.
YQB
-
IAD
1 stop17h 00m
Porter Airlines
Deal found 28/7C$ 782
Sat 22/83:50 p.m.
IAD
-
YQB
1 stop25h 00m
Porter Airlines
Thu 27/85:45 p.m.
YQB
-
IAD
1 stop17h 00m
Porter Airlines
Deal found 28/7C$ 783
Sat 22/811:25 a.m.
IAD
-
YQB
2 stops8h 35m
Porter Airlines
Mon 24/84:55 p.m.
YQB
-
IAD
2 stops17h 50m
Porter Airlines
Deal found 24/7C$ 786

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 29 July 2026.

Round-trip from

C$ 734

One-way from

C$ 341

Popular in

August

Cheapest in

November

Average price

C$ 1,432
18/9-23/9
  • 18/9-23/9
  • 3 total stops
  • 36h 06m total
  • Washington, D.C. to Québec City
Search Deals
Porter Airlines
  • Porter Airlines
  • 31/8
  • 2 total stops
  • 8h 35m total
  • Washington, D.C. to Québec City
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 245 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 629,999 searches. Data last updated 29 July 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 24/10

11:25 a.m.-8:00 p.m.

2 stops8h 35m

Québec City

Mon 26/10

5:25 p.m.-10:38 a.m.

1 stop17h 13m

C$ 1,026

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 8/8

11:25 a.m.-8:00 p.m.

2 stops8h 35m

Québec City

Fri 14/8

3:35 p.m.-10:45 a.m.

2 stops19h 10m

C$ 1,040

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 21/8

3:50 p.m.-8:00 p.m.

2 stops28h 10m

Québec City

Fri 28/8

3:35 p.m.-3:10 p.m.

2 stops23h 35m

C$ 1,054

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 24/9

11:25 a.m.-2:27 p.m.

1 stop27h 02m

Québec City

Mon 28/9

4:55 p.m.-10:45 a.m.

2 stops17h 50m

C$ 1,081

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 17/10

11:25 a.m.-2:27 p.m.

1 stop27h 02m

Québec City

Sat 24/10

3:10 p.m.-10:38 a.m.

1 stop19h 28m

C$ 1,096

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 12/9

11:25 a.m.-8:00 p.m.

2 stops8h 35m

Québec City

Sun 20/9

4:55 p.m.-10:45 a.m.

2 stops17h 50m

C$ 1,105

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 9/10

3:50 p.m.-8:00 p.m.

2 stops28h 10m

Québec City

Mon 12/10

4:55 p.m.-10:45 a.m.

2 stops17h 50m

C$ 1,151

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 29/8

1:15 p.m.-3:25 p.m.

Nonstop2h 10m

Québec City

Mon 31/8

8:10 p.m.-4:38 p.m.

1 stop20h 28m

C$ 1,230

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 12/9

1:20 p.m.-3:30 p.m.

Nonstop2h 10m

Québec City

Sun 20/9

5:00 a.m.-4:38 p.m.

1 stop11h 38m

C$ 1,246
Quickest round-trip

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 3/10

1:20 p.m.-3:25 p.m.

Nonstop2h 05m

Québec City

Sat 10/10

6:00 p.m.-8:15 p.m.

Nonstop2h 15m

C$ 1,256

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/7

Showing 1-10 of 20 resultsSorted by cheapest first
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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of C$ 896). Flying from Washington, D.C. Dulles Intl Airport to Québec City in August is currently the most expensive (average of C$ 1,706). 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 29 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Québec City as you normally would.

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 25h 50m. The distance between Washington, D.C. Dulles Intl Airport and Québec City is about 1001 km.

  • 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 C$ 896). Flying from Washington, D.C. Dulles Intl Airport to Québec City in August is currently the most expensive (average of C$ 1,706). 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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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.

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