Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Washington, D.C. Dulles Intl Airport to Quebec from C$ 161

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YUL
4 Aug — 11 Aug1
1 adult

Cheap flight deals from Dulles Intl to Quebec

Keep the following information in mind while searching for Dulles Intl to Quebec flight deals. Data was last updated 30 July 2025.

Round-trip from

C$ 361

One-way from

C$ 161

Popular in

December

Cheapest in

March

Average price

C$ 574

Good one-way deal

C$ 362 or less
Porter Airlines
  • Porter Airlines
  • 13/9-20/9
  • 2 total stops
  • 8h 11m total
  • Washington, D.C. to Quebec
Search Deals
Porter Airlines
  • Porter Airlines
  • 10/8
  • 1 total stop
  • 4h 25m total
  • Washington, D.C. to Quebec
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Quebec.
Search Deals

Find flight deals from Dulles Intl to Quebec

Cheapest flights from Dulles Intl to Quebec
Explore the most affordable flight options available from Dulles Intl to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Sat 13/94:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Sat 20/910:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Deal found 28/7C$ 361
Thu 11/910:20 a.m.IAD - YUL
1 stop11h 21mMultiple Airlines
Mon 15/910:45 a.m.YUL - IAD
1 stop4h 21mMultiple Airlines
Deal found 29/7C$ 363
Wed 3/99:35 a.m.IAD - YUL
Nonstop1h 53mAir Canada
Fri 12/97:10 p.m.YUL - IAD
Nonstop1h 55mAir Canada
Deal found 29/7C$ 370
Wed 27/84:10 p.m.IAD - YOW
1 stop3h 28mPorter Airlines
Wed 3/911:00 a.m.YOW - IAD
1 stop4h 06mPorter Airlines
Deal found 29/7C$ 382
Sun 21/94:20 p.m.IAD - YOW
1 stop3h 39mMultiple Airlines
Fri 26/95:55 a.m.YOW - IAD
1 stop9h 11mMultiple Airlines
Deal found 30/7C$ 440
Sat 27/910:20 a.m.IAD - YOW
1 stop4h 44mAir Canada
Tue 30/92:40 p.m.YOW - IAD
1 stop6h 25mAir Canada
Deal found 29/7C$ 443
Fri 5/96:45 p.m.IAD - YOW
1 stop20h 11mWestJet
Fri 12/96:00 a.m.YOW - IAD
1 stop11h 50mWestJet
Deal found 28/7C$ 462
Mon 8/911:35 a.m.IAD - YQB
1 stop4h 20mPorter Airlines
Fri 12/911:00 a.m.YQB - IAD
1 stop4h 06mPorter Airlines
Deal found 29/7C$ 680
Wed 3/910:20 a.m.IAD - YQB
2 stops12h 36mMultiple Airlines
Fri 5/911:00 a.m.YQB - IAD
1 stop4h 06mMultiple Airlines
Deal found 30/7C$ 698
Wed 29/109:55 a.m.IAD - YQB
1 stop4h 34mAir Canada
Sun 2/113:20 p.m.YQB - IAD
1 stop5h 39mAir Canada
Deal found 29/7C$ 822

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Quebec 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 30 July 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Quebec that are best for you.

Fly from

Dulles Intl

Fly to

Quebec

Route

Depart

Return

Price

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 13/9

4:20 p.m.-8:10 p.m.

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

10:45 a.m.-3:06 p.m.

1 stop4h 21m

C$ 361

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/9

10:20 a.m.-9:41 p.m.

1 stop11h 21m

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

10:45 a.m.-3:06 p.m.

1 stop4h 21m

C$ 363

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 3/9

9:35 a.m.-11:28 a.m.

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

7:10 p.m.-9:05 p.m.

Nonstop1h 55m

C$ 370

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 27/8

4:10 p.m.-7:38 p.m.

1 stop3h 28m

Ottawa

Wed 3/9

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

1 stop4h 06m

C$ 382

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 21/9

4:20 p.m.-7:59 p.m.

1 stop3h 39m

Ottawa

Fri 26/9

5:55 a.m.-3:06 p.m.

1 stop9h 11m

C$ 440

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 27/9

10:20 a.m.-3:04 p.m.

1 stop4h 44m

Ottawa

Tue 30/9

2:40 p.m.-9:05 p.m.

1 stop6h 25m

C$ 443

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 5/9

6:45 p.m.-2:56 p.m.

1 stop20h 11m

Ottawa

Fri 12/9

6:00 a.m.-5:50 p.m.

1 stop11h 50m

C$ 462

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$ 557

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 3/9

9:35 a.m.-3:55 p.m.

1 stop6h 20m

Québec City

Fri 5/9

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

1 stop4h 06m

C$ 698

Washington, D.C.Québec City

IAD - YQB

IADYQB

Washington, D.C. Dulles Intl

Wed 29/10

9:55 a.m.-2:29 p.m.

1 stop4h 34m

Québec City

Sun 2/11

3:20 p.m.-8:59 p.m.

1 stop5h 39m

C$ 822

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Dulles Intl to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec 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 Quebec

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Quebec (average of C$ 241). Flying from Washington, D.C. Dulles Intl Airport to Quebec in April is currently the most expensive (average of C$ 316). 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 QC?

Find hourly flight availability from Dulles Intl to Quebec. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 July 2025.

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 Quebec as you normally would.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Quebec

Explore weekly flight availability from Dulles Intl to Quebec. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 July 2025.

The most flights from IAD to CAQC are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Quebec

Get insights into the airlines that provide service to Quebec. 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 Quebec. Reviews last updated 30 July 2025.
Get a feel of what it's like to fly with Porter Airlines,Delta, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Quebec by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

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
318 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

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
Delta
8.0
Very good
7,980 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

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
8,896 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

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
2,975 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

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
9,837 reviews
Porter Airlines
8.0
Very good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Overall

8.0

Entertainment

7.0

Crew

8.7

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 Quebec. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 161. Air Canada flights start at C$ 163 while deals on Delta start at C$ 168 one-way.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Quebec?

    While some choose either Washington, D.C. Dulles Intl - Québec City or Washington, D.C. Dulles Intl - Ottawa, Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl is the most popular route from Washington, D.C. Dulles Intl Airport to Quebec.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Quebec?

    Before booking your flight to Quebec from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Jazz (84%), Air Canada (71%), United Airlines( 70%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Quebec?

    While on average a flight from Washington, D.C. Dulles Intl Airport to Quebec is generally C$ 372, our data shows the cheapest flight currently is C$ 186. When looking at the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay C$ 314 for that flight.

  • Can I find deals for flights from Dulles Intl to Quebec that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Quebec flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Quebec?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Quebec.

  • Can I find deals for business class flights from Dulles Intl to Quebec?

    Yes. Cheapflights offers flight deals from Dulles Intl to Quebec 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 Quebec?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Quebec (average of C$ 241). Flying from Washington, D.C. Dulles Intl Airport to Quebec in April is currently the most expensive (average of C$ 316). 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.

Alternative routes for Dulles Intl to Quebec

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pearson Intl flights
Dulles Intl to Toronto Island flights
Reagan-National to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Vancouver Intl flights
Baltimore to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Dulles Intl to Calgary flights
Reagan-National to Vancouver Intl flights
Baltimore to Vancouver Intl flights
Baltimore to Calgary flights
Dulles Intl to Halifax flights
Reagan-National to Calgary flights
Baltimore to Toronto Island flights
Dulles Intl to Québec City flights
Reagan-National to Québec City flights
Baltimore to Halifax flights
Dulles Intl to Ottawa flights
Dulles Intl to Abbotsford flights
Baltimore to Québec City flights
Reagan-National to Ottawa flights
Dulles Intl to Edmonton flights
Baltimore to Winnipeg flights
Baltimore to Edmonton flights
Dulles Intl to Winnipeg flights
Baltimore to Ottawa flights
Dulles Intl to Hamilton flights
Reagan-National to Edmonton flights
Dulles Intl to Charlottetown flights
Dulles Intl to Victoria flights
Reagan-National to Winnipeg flights
Reagan-National to Toronto Island flights
Baltimore to Charlottetown flights
Baltimore to Victoria flights
Baltimore to Saskatoon flights
Reagan-National to Victoria flights
Dulles Intl to Kelowna flights
Dulles Intl to Sault Ste Marie flights

Top 2 airlines flying from Dulles Intl to Quebec

Discover the top 2 airlines that operate flights from Dulles Intl to Quebec. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 178AverageC$ 492FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 326AverageC$ 449FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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 Quebec?

Cheapflights helps you search for flights from Dulles Intl to Quebec via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Quebec?

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Quebec 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 Quebec with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dulles Intl to Quebec flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Dulles Intl to Quebec become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Quebec from Dulles Intl today and book when prices fit your budget.

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.