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Cheap flights from Washington, D.C. Dulles Intl Airport to Québec City from C$ 261

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
11 Apr — 18 Apr1
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 12 March 2026.

Wed 8/48:30 p.m.
IAD
-
YQB
1 stop18h 10m
Multiple Airlines
Mon 13/44:00 p.m.
YQB
-
IAD
1 stop18h 54m
Multiple Airlines
Deal found 11/3C$ 665
Wed 8/48:30 p.m.
IAD
-
YQB
1 stop18h 10m
Multiple Airlines
Sun 12/44:00 p.m.
YQB
-
IAD
1 stop18h 54m
Multiple Airlines
Deal found 11/3C$ 678
Wed 1/48:30 p.m.
IAD
-
YQB
1 stop18h 10m
Multiple Airlines
Thu 16/46:30 a.m.
YQB
-
IAD
2 stops18h 06m
Multiple Airlines
Deal found 10/3C$ 683
Thu 23/411:40 a.m.
IAD
-
YQB
1 stop27h 40m
Multiple Airlines
Thu 30/46:30 a.m.
YQB
-
IAD
2 stops18h 06m
Multiple Airlines
Deal found 8/3C$ 699
Sat 6/611:30 a.m.
IAD
-
YQB
2 stops8h 30m
Porter Airlines
Wed 17/65:35 p.m.
YQB
-
IAD
1 stop17h 11m
Porter Airlines
Deal found 7/3C$ 705
Sat 9/511:30 a.m.
IAD
-
YQB
2 stops8h 30m
Multiple Airlines
Sat 23/53:10 p.m.
YQB
-
IAD
1 stop19h 36m
Multiple Airlines
Deal found 10/3C$ 713
Mon 8/611:30 a.m.
IAD
-
YQB
2 stops8h 30m
Porter Airlines
Wed 17/65:35 p.m.
YQB
-
IAD
1 stop17h 11m
Porter Airlines
Deal found 7/3C$ 717
Sun 14/611:30 a.m.
IAD
-
YQB
2 stops8h 30m
Multiple Airlines
Sun 21/65:35 p.m.
YQB
-
IAD
1 stop17h 11m
Multiple Airlines
Deal found 10/3C$ 725
Thu 9/411:40 a.m.
IAD
-
YQB
1 stop27h 40m
Multiple Airlines
Thu 16/46:30 a.m.
YQB
-
IAD
2 stops18h 06m
Multiple Airlines
Deal found 10/3C$ 728
Tue 19/511:30 a.m.
IAD
-
YQB
1 stop26h 57m
Multiple Airlines
Mon 25/54:55 p.m.
YQB
-
IAD
2 stops17h 51m
Multiple Airlines
Deal found 7/3C$ 729

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 12 March 2026.

Round-trip from

C$ 665

One-way from

C$ 261

Popular in

August

Cheapest in

November

Average price

C$ 1,291
Porter Airlines
  • Porter Airlines
  • 8/4-13/4
  • 2 total stops
  • 37h 04m total
  • Washington, D.C. to Québec City
Search Deals
1/4
  • 1/4
  • 1 total stop
  • 18h 10m total
  • Washington, D.C. to Québec City
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 12 March 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

Tue 19/5

11:30 a.m.-2:27 p.m.

1 stop26h 57m

Québec City

Tue 26/5

4:55 p.m.-3:21 p.m.

2 stops22h 26m

C$ 764

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 12/5

11:30 a.m.-2:27 p.m.

1 stop26h 57m

Québec City

Tue 19/5

4:55 p.m.-3:21 p.m.

2 stops22h 26m

C$ 930

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 12/5

11:30 a.m.-2:27 p.m.

1 stop26h 57m

Québec City

Wed 20/5

3:10 p.m.-3:21 p.m.

1 stop24h 11m

C$ 940

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 20/5

4:05 p.m.-2:27 p.m.

1 stop22h 22m

Québec City

Mon 25/5

3:10 p.m.-10:46 a.m.

1 stop19h 36m

C$ 961

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 7/6

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

2 stops8h 30m

Québec City

Sun 14/6

3:10 p.m.-10:46 a.m.

1 stop19h 36m

C$ 994

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 8/6

4:05 p.m.-2:27 p.m.

1 stop22h 22m

Québec City

Tue 16/6

3:10 p.m.-3:21 p.m.

1 stop24h 11m

C$ 1,014

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 8/6

4:05 p.m.-2:27 p.m.

1 stop22h 22m

Québec City

Wed 17/6

3:10 p.m.-10:46 a.m.

1 stop19h 36m

C$ 1,014

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 9/6

11:30 a.m.-2:27 p.m.

1 stop26h 57m

Québec City

Mon 15/6

3:10 p.m.-10:46 a.m.

1 stop19h 36m

C$ 1,014

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 7/6

4:05 p.m.-2:27 p.m.

1 stop22h 22m

Québec City

Fri 19/6

3:10 p.m.-10:46 a.m.

1 stop19h 36m

C$ 1,014

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 2/6

10:15 p.m.-2:08 p.m.

1 stop15h 53m

Québec City

Sat 6/6

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

Nonstop2h 18m

C$ 1,020

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

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, 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$ 391). Flying from Washington, D.C. Dulles Intl Airport to Québec City in March is currently the most expensive (average of C$ 1,291). 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.

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 26h 57m. 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$ 391). Flying from Washington, D.C. Dulles Intl Airport to Québec City in March is currently the most expensive (average of C$ 1,291). 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?

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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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