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Cheap flights from Washington, D.C. Dulles Intl Airport to Québec City from C$ 323

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
28 May — 4 Jun1
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 28 April 2026.

Sat 6/65:15 p.m.
IAD
-
YQB
2 stops16h 16m
Multiple Airlines
Mon 8/64:55 p.m.
YQB
-
IAD
2 stops17h 51m
Multiple Airlines
Deal found 23/4C$ 607
Sat 6/611:30 a.m.
IAD
-
YQB
2 stops8h 30m
Porter Airlines
Mon 8/610:55 a.m.
YQB
-
IAD
1 stop23h 51m
Porter Airlines
Deal found 25/4C$ 639
Sat 30/511:30 a.m.
IAD
-
YQB
2 stops8h 30m
Porter Airlines
Mon 8/63:10 p.m.
YQB
-
IAD
1 stop19h 36m
Porter Airlines
Deal found 24/4C$ 650
Thu 28/511:30 a.m.
IAD
-
YQB
1 stop22h 25m
Porter Airlines
Mon 1/64:55 p.m.
YQB
-
IAD
2 stops17h 51m
Porter Airlines
Deal found 27/4C$ 668
Sat 30/511:30 a.m.
IAD
-
YQB
2 stops8h 30m
Porter Airlines
Sat 6/63:10 p.m.
YQB
-
IAD
1 stop19h 36m
Porter Airlines
Deal found 24/4C$ 683
Sat 16/511:30 a.m.
IAD
-
YQB
1 stop26h 57m
Multiple Airlines
Sat 23/51:35 p.m.
YQB
-
IAD
1 stop30h 15m
Multiple Airlines
Deal found 24/4C$ 684

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 28 April 2026.

Round-trip from

C$ 607

One-way from

C$ 323

Popular in

August

Cheapest in

September

Average price

C$ 1,190
Porter Airlines
  • Porter Airlines
  • 6/6-8/6
  • 4 total stops
  • 34h 07m total
  • Washington, D.C. to Québec City
Search Deals
Porter Airlines
  • Porter Airlines
  • 16/6
  • 1 total stop
  • 10h 40m total
  • Washington, D.C. to Québec City
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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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 28 April 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

Fri 17/7

11:30 a.m.-4:40 p.m.

2 stops5h 10m

Québec City

Fri 24/7

6:30 a.m.-3:16 p.m.

2 stops8h 46m

C$ 935

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 26/6

4:00 p.m.-2:27 p.m.

1 stop22h 27m

Québec City

Fri 3/7

6:30 a.m.-3:16 p.m.

2 stops8h 46m

C$ 996

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 13/6

11:30 a.m.-8:00 p.m.

2 stops8h 30m

Québec City

Wed 17/6

6:30 a.m.-3:21 p.m.

2 stops8h 51m

C$ 1,002

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 24/5

11:30 a.m.-8:00 p.m.

2 stops8h 30m

Québec City

Sun 31/5

4:55 p.m.-10:46 a.m.

2 stops17h 51m

C$ 1,056

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 6/6

1:20 p.m.-3:18 p.m.

Nonstop1h 58m

Québec City

Mon 8/6

4:55 p.m.-11:19 p.m.

1 stop6h 24m

C$ 1,085

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 11/8

10:10 p.m.-2:17 p.m.

1 stop16h 07m

Québec City

Wed 12/8

4:55 p.m.-10:59 p.m.

1 stop6h 04m

C$ 1,086

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 15/8

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

Nonstop2h 10m

Québec City

Sat 22/8

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

Nonstop2h 15m

C$ 1,099
Quickest round-trip

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 13/6

1:20 p.m.-3:18 p.m.

Nonstop1h 58m

Québec City

Sat 20/6

6:00 p.m.-8:18 p.m.

Nonstop2h 18m

C$ 1,099

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 20/6

1:20 p.m.-3:18 p.m.

Nonstop1h 58m

Québec City

Sat 27/6

6:00 p.m.-8:18 p.m.

Nonstop2h 18m

C$ 1,099

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 3/6

5:42 p.m.-10:41 p.m.

1 stop4h 59m

Québec City

Sat 6/6

6:00 p.m.-8:18 p.m.

Nonstop2h 18m

C$ 1,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 22 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of C$ 877). Flying from Washington, D.C. Dulles Intl Airport to Québec City in August is currently the most expensive (average of C$ 1,407). 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 1h 58m. 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of C$ 877). Flying from Washington, D.C. Dulles Intl Airport to Québec City in August is currently the most expensive (average of C$ 1,407). 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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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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