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Cheap flights from Washington, D.C. Dulles Intl Airport to Québec City from C$ 309

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
14 Jul — 21 Jul1
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 14 June 2026.

Tue 21/75:40 p.m.
IAD
-
YQB
2 stops28h 40m
Multiple Airlines
Tue 28/73:10 p.m.
YQB
-
IAD
1 stop19h 15m
Multiple Airlines
Deal found 13/6C$ 709
Mon 21/911:25 a.m.
IAD
-
YQB
1 stop10h 55m
Multiple Airlines
Mon 28/96:40 a.m.
YQB
-
IAD
2 stops13h 41m
Multiple Airlines
Deal found 11/6C$ 726
Tue 18/85:30 p.m.
IAD
-
YQB
2 stops28h 50m
Multiple Airlines
Tue 25/83:10 p.m.
YQB
-
IAD
1 stop19h 35m
Multiple Airlines
Deal found 10/6C$ 740
Wed 8/73:55 p.m.
IAD
-
YQB
1 stop24h 55m
Multiple Airlines
Wed 15/76:40 a.m.
YQB
-
IAD
2 stops12h 58m
Multiple Airlines
Deal found 10/6C$ 759
Mon 14/93:50 p.m.
IAD
-
YQB
1 stop22h 37m
Multiple Airlines
Mon 28/96:40 a.m.
YQB
-
IAD
2 stops13h 41m
Multiple Airlines
Deal found 13/6C$ 765
Sun 20/911:25 a.m.
IAD
-
YQB
1 stop10h 55m
Multiple Airlines
Tue 29/96:40 a.m.
YQB
-
IAD
2 stops13h 41m
Multiple Airlines
Deal found 9/6C$ 768
Mon 6/76:09 p.m.
IAD
-
YQB
2 stops28h 11m
Multiple Airlines
Sat 11/76:40 a.m.
YQB
-
IAD
1 stop8h 31m
Multiple Airlines
Deal found 12/6C$ 771
Sat 25/75:29 p.m.
IAD
-
YQB
2 stops28h 51m
Multiple Airlines
Sat 1/86:40 a.m.
YQB
-
IAD
1 stop8h 30m
Multiple Airlines
Deal found 12/6C$ 780
Mon 6/73:55 p.m.
IAD
-
YQB
1 stop22h 32m
Porter Airlines
Thu 9/73:10 p.m.
YQB
-
IAD
1 stop24h 01m
Porter Airlines
Deal found 12/6C$ 792

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 14 June 2026.

Round-trip from

C$ 709

One-way from

C$ 309

Popular in

August

Cheapest in

November

Average price

C$ 1,373
Porter Airlines
  • Porter Airlines
  • 21/7-28/7
  • 3 total stops
  • 47h 55m total
  • Washington, D.C. to Québec City
Search Deals
25/7
  • 25/7
  • 2 total stops
  • 28h 51m total
  • Washington, D.C. to Québec City
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 236 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 14 June 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 4/7

3:55 p.m.-2:27 p.m.

1 stop22h 32m

Québec City

Fri 10/7

6:40 a.m.-3:11 p.m.

1 stop8h 31m

C$ 829

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 26/7

3:55 p.m.-2:27 p.m.

1 stop22h 32m

Québec City

Wed 29/7

3:10 p.m.-3:11 p.m.

1 stop24h 01m

C$ 1,020

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 25/7

3:55 p.m.-8:00 p.m.

2 stops28h 05m

Québec City

Tue 28/7

4:55 p.m.-10:25 a.m.

2 stops17h 30m

C$ 1,043

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 28/6

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

2 stops8h 30m

Québec City

Thu 2/7

4:55 p.m.-3:11 p.m.

2 stops22h 16m

C$ 1,120

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 12/9

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

1 stop27h 02m

Québec City

Mon 14/9

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

1 stop19h 35m

C$ 1,122

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sat 19/9

8:20 a.m.-2:08 p.m.

1 stop5h 48m

Québec City

Sat 19/9

6:00 p.m.-8:05 p.m.

Nonstop2h 05m

C$ 1,183

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 20/7

6:10 a.m.-2:08 p.m.

1 stop7h 58m

Québec City

Mon 20/7

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

1 stop6h 24m

C$ 1,204

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 12/8

10:27 p.m.-2:08 p.m.

1 stop15h 41m

Québec City

Sun 16/8

10:25 a.m.-3:01 p.m.

1 stop4h 36m

C$ 1,210
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$ 1,215
Cheapest one-way

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 22/6

6:26 p.m.-10:20 p.m.

2 stops27h 54m

C$ 323

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/6

Showing 1-10 of 18 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$ 899). Flying from Washington, D.C. Dulles Intl Airport to Québec City in August is currently the most expensive (average of C$ 1,674). 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 14 June 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.

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 22h 32m. 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$ 899). Flying from Washington, D.C. Dulles Intl Airport to Québec City in August is currently the most expensive (average of C$ 1,674). 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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