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Cheap flights from Washington, D.C. Dulles Intl Airport to Québec City from C$ 270

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQB
3 Aug — 10 Aug1
1 adult

Cheap 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 2025.

Round-trip from

C$ 554

One-way from

C$ 270

Popular in

May

Cheapest in

March

Average price

C$ 1,102
Porter Airlines
  • Porter Airlines
  • 11/9-18/9
  • 2 total stops
  • 8h 26m total
  • Washington, D.C. to Québec City
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Porter Airlines
  • Porter Airlines
  • 21/8
  • 1 total stop
  • 4h 20m total
  • Washington, D.C. to Québec City
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Dulles Intl to Québec City

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 2025.

Thu 11/911:35 a.m.IAD - YQB
1 stop4h 20mPorter Airlines
Thu 18/911:00 a.m.YQB - IAD
1 stop4h 06mPorter Airlines
Deal found 28/7C$ 554
Sat 27/94:20 p.m.IAD - YQB
2 stops15h 40mMultiple Airlines
Sat 4/1011:00 a.m.YQB - IAD
1 stop4h 06mMultiple Airlines
Deal found 28/7C$ 701

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 2025.
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

Thu 11/9

11:35 a.m.-3:55 p.m.

1 stop4h 20m

Québec City

Thu 18/9

11:00 a.m.-3:06 p.m.

1 stop4h 06m

C$ 554

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 4/9

4:20 p.m.-8:40 a.m.

2 stops16h 20m

Québec City

Thu 11/9

11:00 a.m.-3:06 p.m.

1 stop4h 06m

C$ 701

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 21/8

11:35 a.m.-3:55 p.m.

1 stop4h 20m

C$ 270

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 27/8

6:45 p.m.-5:27 p.m.

1 stop22h 42m

C$ 344

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Fri 5/9

4:20 p.m.-8:00 a.m.

2 stops15h 40m

C$ 355

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 21/8

2:25 p.m.-6:55 p.m.

1 stop4h 30m

C$ 423

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Thu 9/10

6:15 a.m.-12:02 p.m.

1 stop5h 47m

C$ 492

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Québec City?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Québec City. Price data was last updated on 25 July 2025.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Québec City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Québec City?

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of C$ 258). Flying from Washington, D.C. Dulles Intl Airport to Québec City in December is currently the most expensive (average of C$ 432). 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.

Reviews of airlines servicing Québec City

Get insights into the airlines that provide service to Québec City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Québec City. Reviews last updated 29 July 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Québec City, such as Porter Airlines,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,899 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,973 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,822 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Québec City round-trip?

    Currently priced at C$ 554, Porter Airlines will fly you from Washington, D.C. Dulles Intl Airport to Québec City and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Porter Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Québec City one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 270. However, be on the lookout for offers from WestJet and Air Canada, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Québec City for a low price.

  • 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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Québec City (average of C$ 258). Flying from Washington, D.C. Dulles Intl Airport to Québec City in December is currently the most expensive (average of C$ 432). 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

Travelling to a place near Québec City?

Book flights to Québec City if you plan to visit one of these locations
Victoriaville

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Can Cheapflights find flights from Dulles Intl to Québec City with no change fees?

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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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