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Cheap flights from Québec City to Washington, D.C. Dulles Intl Airport from C$ 409

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
4 May — 11 May1
1 adult

Cheap flight deals from Québec City to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Québec City (YQB) to Dulles Intl (IAD). 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 April 2025.

Round-trip from

C$ 716

One-way from

C$ 409

Popular in

January

Cheapest in

March

Average price

C$ 913
Porter Airlines
  • Porter Airlines
  • 12/6-19/6
  • 2 total stops
  • 22h 01m total
  • Québec City to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 27/6
  • 1 total stop
  • 22h 31m total
  • Québec City to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 67 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Québec City to Dulles Intl

Cheapest flights from Québec City to Dulles Intl
Explore the most affordable flight options available from Québec City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Thu 12/64:35 p.m.YQB - IAD
1 stop17h 41mPorter Airlines
Thu 19/611:35 a.m.IAD - YQB
1 stop4h 20mPorter Airlines
Deal found 28/4C$ 716
Thu 12/610:15 p.m.YQB - IAD
2 stops16h 51mMultiple Airlines
Thu 19/611:35 a.m.IAD - YQB
1 stop4h 20mMultiple Airlines
Deal found 28/4C$ 780
Thu 5/67:25 a.m.YQB - IAD
2 stops6h 16mAir Canada
Mon 9/63:30 p.m.IAD - YQB
1 stop6h 35mAir Canada
Deal found 28/4C$ 830
Mon 26/55:20 a.m.YQB - IAD
2 stops9h 08mUnited Airlines
Mon 2/68:25 a.m.IAD - YQB
2 stops13h 40mUnited Airlines
Deal found 28/4C$ 895

Cheapflights Fare Finder

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

Fly from

Québec City

Fly to

Dulles Intl

Route

Depart

Return

Price

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 12/6

4:35 p.m.-10:16 a.m.

1 stop17h 41m

Washington, D.C. Dulles Intl

Thu 19/6

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

1 stop4h 20m

C$ 716

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 12/6

10:15 p.m.-3:06 p.m.

2 stops16h 51m

Washington, D.C. Dulles Intl

Thu 19/6

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

1 stop4h 20m

C$ 780

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 5/6

7:25 a.m.-1:41 p.m.

2 stops6h 16m

Washington, D.C. Dulles Intl

Mon 9/6

3:30 p.m.-10:05 p.m.

1 stop6h 35m

C$ 830

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 26/5

5:20 a.m.-2:28 p.m.

2 stops9h 08m

Washington, D.C. Dulles Intl

Mon 2/6

8:25 a.m.-10:05 p.m.

2 stops13h 40m

C$ 895

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 27/6

4:35 p.m.-3:06 p.m.

1 stop22h 31m

C$ 409

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 27/6

10:15 p.m.-3:06 p.m.

2 stops16h 51m

C$ 424

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 1/7

5:50 a.m.-11:14 a.m.

1 stop5h 24m

C$ 446

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 28/6

5:20 a.m.-9:37 a.m.

1 stop4h 17m

C$ 449

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 7/7

4:10 p.m.-8:33 a.m.

3 stops16h 23m

C$ 708

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Best time to book a flight from Québec City to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Québec City 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 Québec City to Washington, D.C. Dulles Intl Airport

What is the cheapest time of day to fly from YQB to IAD?

Find hourly flight availability from Québec City to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

One of the essential ways to save on airfare from Québec City to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 11% on airfare.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 29 April 2025.
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.8

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.8

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.8

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.8

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Air Canada
7.0
Good
9,240 reviews
Porter Airlines
8.0
Very good
285 reviews
Check prices

Boarding

8.2

Comfort

8.1

Food

7.6

Entertainment

7.0

Crew

8.8

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Related info for your journey

Find useful and relevant information for your journey from Québec City to Dulles Intl. 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 from for flights from Québec City to Washington, D.C. Dulles Intl?

    For a flight from Québec City to Washington, D.C. Dulles Intl, you will be flying from Quebec. Québec City (YQB) is just 13.5 km from the centre of the city. Quebec is the only Québec City airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from Québec City on a regular basis.

  • What are the cheapest airlines flying from Québec City to Washington, D.C. Dulles Intl Airport round-trip?

    Porter Airlines, at C$ 716, was found to be the cheapest airline from Québec City to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Air Canada and United Airlines.

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

    The cheapest airlines for a one-way flight from Québec City to Washington, D.C. Dulles Intl Airport are Porter Airlines (C$ 409), Air Canada (C$ 446), and United Airlines (C$ 449).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Québec City to Dulles Intl 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 Québec City to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Québec City to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Québec City to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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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