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Dulles Intl

$181+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — IAD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(Trip.com)

One-way from

$181
(Trip.com)

Popular in

January

Cheapest in

March

Average price

$376
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. 18% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/242:15 pmYQB - IAD
1 stop8h 09mPorter Airlines
Thu 5/111:35 amIAD - YQB
1 stop4h 20mPorter Airlines
Deal found 3/27$317
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Thu 4/242:15 pmYQB - IAD
1 stop8h 09mMultiple Airlines
Thu 5/111:35 amIAD - YQB
1 stop4h 20mMultiple Airlines
Deal found 3/27$443
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/224:35 pmYQB - IAD
1 stop17h 41mAir Transat
Thu 5/294:20 pmIAD - YQB
1 stop23h 35mAir Transat
Deal found 3/27$504
This Air Canada deal was found by Cheapflights users on 3/27. 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.
Wed 5/147:25 amYQB - IAD
2 stops6h 54mAir Canada
Sun 5/1810:30 amIAD - YQB
1 stop11h 35mAir Canada
Deal found 3/27$553
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 7/244:55 pmYQB - IAD
1 stop5h 32mUnited Airlines
Mon 7/286:15 amIAD - YQB
1 stop5h 47mUnited Airlines
Deal found 3/27$580
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 5/222:15 pmYQB - IAD
3 stops18h 23mAmerican Airlines
Thu 5/298:02 pmIAD - YQB
3 stops17h 28mAmerican Airlines
Deal found 3/27$913

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 March 28, 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 4/24

2:15 pm-10:24 pm

1 stop8h 09m

Washington, D.C. Dulles Intl

Thu 5/1

11:35 am-3:55 pm

1 stop4h 20m

$317

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 4/24

2:15 pm-10:24 pm

1 stop8h 09m

Washington, D.C. Dulles Intl

Thu 5/1

11:35 am-3:55 pm

1 stop4h 20m

$443

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 5/22

4:35 pm-10:16 am

1 stop17h 41m

Washington, D.C. Dulles Intl

Thu 5/29

4:20 pm-3:55 pm

1 stop23h 35m

$504

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Wed 5/14

7:25 am-2:19 pm

2 stops6h 54m

Washington, D.C. Dulles Intl

Sun 5/18

10:30 am-10:05 pm

1 stop11h 35m

$553

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 7/24

4:55 pm-10:27 pm

1 stop5h 32m

Washington, D.C. Dulles Intl

Mon 7/28

6:15 am-12:02 pm

1 stop5h 47m

$580

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 5/22

2:15 pm-8:38 am

3 stops18h 23m

Washington, D.C. Dulles Intl

Thu 5/29

8:02 pm-1:30 pm

3 stops17h 28m

$913

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 4/22

2:15 pm-10:24 pm

1 stop8h 09m

$181

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Tue 4/22

10:30 pm-12:59 pm

2 stops14h 29m

$272

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 7/7

3:18 pm-12:30 am

1 stop9h 12m

$319

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 7/7

1:05 pm-11:58 pm

3 stops10h 53m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 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 FlightHub the most. FlightHub 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 March 28, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Air Transat and United Airlines from Québec City to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
277 reviews

Boarding

8.2

Entertainment

6.9

Crew

8.7

Food

7.6

Comfort

8.1

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
7.9
Good
277 reviews
Porter Airlines
7.9
Good
277 reviews

Boarding

8.2

Entertainment

6.9

Crew

8.7

Food

7.6

Comfort

8.1

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
381 reviews
Porter Airlines
7.9
Good
277 reviews

Boarding

8.2

Entertainment

6.9

Crew

8.7

Food

7.6

Comfort

8.1

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,603 reviews
Porter Airlines
7.9
Good
277 reviews

Boarding

8.2

Entertainment

6.9

Crew

8.7

Food

7.6

Comfort

8.1

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
277 reviews

Boarding

8.2

Entertainment

6.9

Crew

8.7

Food

7.6

Comfort

8.1

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Canada
7.0
Good
8,981 reviews
Porter Airlines
7.9
Good
277 reviews

Boarding

8.2

Entertainment

6.9

Crew

8.7

Food

7.6

Comfort

8.1

Overall

7.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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 $317. Other airlines that can offer you cheap pricing are Air Transat, from $504, and Air Canada, from $553.

  • 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 $181. United Airlines flights start at $319 while deals on American Airlines start at $445 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 $385). 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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