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Dulles Intl

$235+ Cheap flights from Québec City (YQB) to Dulles Intl (IAD)

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
May 28 — Jun 41
Wed 5/28
Wed 6/4
1 adult, Economy
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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 May 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$343
(Air Canada)

One-way from

$235
(SmartFares)

Popular in

January

Cheapest in

March

Average price

$586
Provider with most accurate pricing for Québec City-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Québec City-Washington, D.C. Dulles Intl flights.
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From Québec City to Washington, D.C. Dulles Intl
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One-way flight from Québec City to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 14% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 23, 2025.

This Air Canada deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:15 pmYQB - IAD
1 stop8h 42mAir Canada
Fri 11/149:55 amIAD - YQB
1 stop4h 18mAir Canada
Deal found 5/20$343
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/174:35 pmYQB - IAD
1 stop22h 31mPorter Airlines
Tue 6/244:20 pmIAD - YQB
1 stop23h 35mPorter Airlines
Deal found 5/20$452
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:20 pmYQB - IAD
1 stop4h 45mUnited Airlines
Sat 11/156:20 amIAD - YQB
2 stops9h 11mUnited Airlines
Deal found 5/20$490
This United deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/55:20 amYQB - IAD
1 stop4h 17mMultiple Airlines
Fri 7/118:18 amIAD - YQB
1 stop4h 44mMultiple Airlines
Deal found 5/21$540
This American Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:03 pmYQB - IAD
2 stops20h 44mAmerican Airlines
Thu 9/118:19 pmIAD - YQB
1 stop15h 30mAmerican Airlines
Deal found 5/22$979
This WestJet deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:30 pmYQB - IAD
2 stops23h 43mWestJet
Fri 7/1112:00 pmIAD - YQB
2 stops29h 27mWestJet
Deal found 5/21$2,400

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 2,558,603 searches. Data last updated May 23, 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 11/13

3:15 pm-11:57 pm

1 stop8h 42m

Washington, D.C. Dulles Intl

Fri 11/14

9:55 am-2:13 pm

1 stop4h 18m

$343

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 6/17

4:35 pm-3:06 pm

1 stop22h 31m

Washington, D.C. Dulles Intl

Tue 6/24

4:20 pm-3:55 pm

1 stop23h 35m

$452

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 11/14

4:20 pm-9:05 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

Sat 11/15

6:20 am-3:31 pm

2 stops9h 11m

$490

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 7/5

5:20 am-9:37 am

1 stop4h 17m

Washington, D.C. Dulles Intl

Fri 7/11

8:18 am-1:02 pm

1 stop4h 44m

$540

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 9/8

12:03 pm-8:47 am

2 stops20h 44m

Washington, D.C. Dulles Intl

Thu 9/11

8:19 pm-11:49 am

1 stop15h 30m

$979

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 7/5

6:30 pm-6:13 pm

2 stops23h 43m

Washington, D.C. Dulles Intl

Fri 7/11

12:00 pm-5:27 pm

2 stops29h 27m

$2,400

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 10/6

11:00 am-3:06 pm

1 stop4h 06m

$235

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 6/17

7:25 am-11:29 am

1 stop4h 04m

$272

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sun 6/8

4:10 pm-3:06 pm

2 stops22h 56m

$278

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Fri 7/11

3:18 pm-12:30 am

1 stop9h 12m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/21

Showing 1-10 of 11 results
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Compare providers for flights from Québec City to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Québec City to Dulles Intl in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Québec City-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Québec City-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Québec City-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Québec City-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Québec City-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 May 23, 2025.
Porter Airlines
8.0
Very good
286 reviews

Boarding

8.2

Entertainment

7.0

Crew

8.7

Comfort

8.1

Food

7.6

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
286 reviews
Porter Airlines
8.0
Very good
286 reviews

Boarding

8.2

Entertainment

7.0

Crew

8.7

Comfort

8.1

Food

7.6

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
8,745 reviews
Porter Airlines
8.0
Very good
286 reviews

Boarding

8.2

Entertainment

7.0

Crew

8.7

Comfort

8.1

Food

7.6

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
286 reviews

Boarding

8.2

Entertainment

7.0

Crew

8.7

Comfort

8.1

Food

7.6

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
WestJet
7.2
Good
2,848 reviews
Porter Airlines
8.0
Very good
286 reviews

Boarding

8.2

Entertainment

7.0

Crew

8.7

Comfort

8.1

Food

7.6

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
9,393 reviews
Porter Airlines
8.0
Very good
286 reviews

Boarding

8.2

Entertainment

7.0

Crew

8.7

Comfort

8.1

Food

7.6

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?

    Québec City (YQB) is the airport you will fly out of if you book a flight from Québec City to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Quebec; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Québec City airport to Washington, D.C. Dulles Intl. It is only a 8.4 mi journey to Quebec (YQB) from Québec City’s city center.

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

    Cheapflights users have booked flights from Québec City to Washington, D.C. Dulles Intl Airport round-trip from $343. Other airlines that can offer you cheap pricing are Porter Airlines, from $452, and United Airlines, from $490.

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

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at $235. Air Canada flights start at $272 while deals on United Airlines start at $299 one-way.

  • 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, August is the cheapest month in which you can book a flight from Québec City to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Québec City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $363). 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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