Find flights
Deals
When to book
FAQs

Cheap flights from Washington, D.C. Dulles Intl Airport to Québec City from C$ 348

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
25 Feb — 4 Mar1
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 26 January 2026.

Thu 26/211:40 a.m.
IAD
-
YQB
1 stop4h 00m
Multiple Airlines
Fri 6/36:30 a.m.
YQB
-
IAD
1 stop24h 54m
Multiple Airlines
Deal found 25/1C$ 644
Thu 26/211:40 a.m.
IAD
-
YQB
1 stop4h 00m
Multiple Airlines
Thu 5/36:30 a.m.
YQB
-
IAD
1 stop24h 54m
Multiple Airlines
Deal found 25/1C$ 667
Sun 1/36:30 p.m.
IAD
-
YQB
1 stop20h 50m
Multiple Airlines
Fri 6/36:30 a.m.
YQB
-
IAD
1 stop24h 54m
Multiple Airlines
Deal found 25/1C$ 711
Mon 4/511:30 a.m.
IAD
-
YQB
2 stops8h 30m
Porter Airlines
Fri 8/53:15 p.m.
YQB
-
IAD
1 stop19h 31m
Porter Airlines
Deal found 25/1C$ 807
Thu 7/54:05 p.m.
IAD
-
YQB
1 stop22h 27m
Porter Airlines
Sun 10/54:35 p.m.
YQB
-
IAD
1 stop17h 41m
Porter Airlines
Deal found 26/1C$ 837
Sun 31/511:30 a.m.
IAD
-
YQB
2 stops8h 30m
Multiple Airlines
Thu 4/67:30 p.m.
YQB
-
IAD
1 stop22h 40m
Multiple Airlines
Deal found 25/1C$ 845
Sun 29/36:30 p.m.
IAD
-
YQB
1 stop20h 50m
Multiple Airlines
Mon 6/46:30 a.m.
YQB
-
IAD
2 stops18h 06m
Multiple Airlines
Deal found 24/1C$ 846
Mon 25/54:05 p.m.
IAD
-
YQB
1 stop22h 27m
Porter Airlines
Fri 29/53:15 p.m.
YQB
-
IAD
1 stop19h 31m
Porter Airlines
Deal found 25/1C$ 848
Thu 12/39:55 a.m.
IAD
-
YQB
1 stop4h 24m
Air Canada
Thu 19/33:15 p.m.
YQB
-
IAD
1 stop5h 39m
Air Canada
Deal found 26/1C$ 852

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 26 January 2026.

Round-trip from

C$ 644

One-way from

C$ 348

Popular in

January

Cheapest in

March

Average price

C$ 1,581
26/2-6/3
  • 26/2-6/3
  • 2 total stops
  • 28h 54m total
  • Washington, D.C. to Québec City
Search Deals
Porter Airlines
  • Porter Airlines
  • 12/4
  • 1 total stop
  • 27h 40m total
  • Washington, D.C. to Québec City
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 26 January 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

Dulles Intl

Fly to

Québec City

Route

Depart

Return

Price

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 25/5

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

2 stops8h 30m

Québec City

Mon 1/6

3:15 p.m.-10:46 a.m.

1 stop19h 31m

C$ 867

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 28/5

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

2 stops8h 30m

Québec City

Mon 1/6

3:15 p.m.-10:46 a.m.

1 stop19h 31m

C$ 867

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 24/5

4:05 p.m.-2:32 p.m.

1 stop22h 27m

Québec City

Fri 29/5

3:15 p.m.-10:46 a.m.

1 stop19h 31m

C$ 888

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Mon 25/5

11:30 a.m.-2:32 p.m.

1 stop27h 02m

Québec City

Thu 28/5

3:15 p.m.-3:21 p.m.

1 stop24h 06m

C$ 888

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 26/5

11:30 a.m.-2:32 p.m.

1 stop27h 02m

Québec City

Mon 1/6

3:15 p.m.-10:46 a.m.

1 stop19h 31m

C$ 888

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 12/3

11:40 a.m.-6:25 p.m.

2 stops6h 45m

Québec City

Sun 15/3

4:00 p.m.-10:24 a.m.

1 stop18h 24m

C$ 915

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Tue 3/3

9:00 a.m.-3:58 p.m.

1 stop6h 58m

Québec City

Fri 6/3

5:00 a.m.-8:26 p.m.

1 stop15h 26m

C$ 918

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 24/5

11:30 a.m.-2:32 p.m.

1 stop27h 02m

Québec City

Thu 28/5

3:15 p.m.-10:46 a.m.

1 stop19h 31m

C$ 918

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 27/5

4:05 p.m.-2:32 p.m.

1 stop22h 27m

Québec City

Sat 30/5

3:15 p.m.-3:21 p.m.

1 stop24h 06m

C$ 929

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Sun 24/5

11:30 a.m.-2:32 p.m.

1 stop27h 02m

Québec City

Sat 30/5

3:15 p.m.-10:46 a.m.

1 stop19h 31m

C$ 929

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 20 results
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$ 394). Flying from Washington, D.C. Dulles Intl Airport to Québec City in January is currently the most expensive (average of C$ 1,096). 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 8h 30m. 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$ 394). Flying from Washington, D.C. Dulles Intl Airport to Québec City in January is currently the most expensive (average of C$ 1,096). 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

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.