Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Québec City to Washington, D.C. from $242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Québec City to Washington, D.C. departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Québec City to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:00 pm - 12:45 am
YQB
-
IAD
9h 45m
1 stop
Air Canada Logo
8:18 am - 1:55 pm
IAD
-
YQB
5h 37m
2 stops
$504Air Canada
Sat, Jul 11 - Sun, Jul 12
Air Canada Logo
3:00 pm - 12:45 am
YQB
-
IAD
9h 45m
1 stop
Air Canada Logo
9:55 am - 3:56 pm
IAD
-
YQB
6h 01m
1 stop
$509Air Canada
Sat, Jul 11 - Sun, Jul 12
Porter Airlines Logo
3:10 pm - 10:25 am
YQB
-
IAD
19h 15m
1 stop
Porter Airlines Logo
11:05 am - 8:00 pm
IAD
-
YQB
8h 55m
2 stops
$577Porter Airlines
Mon, Jul 20 - Wed, Jul 22
Porter Airlines Logo
3:10 pm - 10:25 am
YQB
-
IAD
19h 15m
1 stop
Porter Airlines Logo
11:05 am - 10:20 pm
IAD
-
YQB
11h 15m
1 stop
$581Porter Airlines
Mon, Jul 20 - Wed, Jul 22
Multiple Airlines Logo
3:10 pm - 10:25 am
YQB
-
IAD
19h 15m
1 stop
Multiple Airlines Logo
11:05 am - 8:00 pm
IAD
-
YQB
8h 55m
2 stops
$588Multiple Airlines
Mon, Jul 20 - Wed, Jul 22
Porter Airlines Logo
3:10 pm - 10:45 am
YQB
-
IAD
19h 35m
1 stop
Porter Airlines Logo
3:50 pm - 2:27 pm
IAD
-
YQB
22h 37m
1 stop
$606Porter Airlines
Mon, Aug 24 - Sun, Aug 30
Multiple Airlines Logo
3:10 pm - 10:45 am
YQB
-
IAD
19h 35m
1 stop
Multiple Airlines Logo
11:25 am - 8:00 pm
IAD
-
YQB
8h 35m
2 stops
$608Multiple Airlines
Mon, Aug 24 - Sun, Aug 30
United Airlines Logo
4:55 pm - 7:20 am
YQB
-
IAD
14h 25m
2 stops
United Airlines Logo
10:15 pm - 12:02 pm
IAD
-
YQB
13h 47m
2 stops
$613United Airlines
Mon, Aug 24 - Sun, Aug 30
Porter Airlines Logo
6:40 am - 3:10 pm
YQB
-
IAD
8h 30m
1 stop
Porter Airlines Logo
11:25 am - 10:20 pm
IAD
-
YQB
10h 55m
1 stop
$629Porter Airlines
Thu, Oct 1 - Mon, Oct 5
Multiple Airlines Logo
4:55 pm - 10:25 am
YQB
-
IAD
17h 30m
2 stops
Multiple Airlines Logo
11:05 am - 8:00 pm
IAD
-
YQB
8h 55m
2 stops
$635Multiple Airlines
Mon, Jul 20 - Wed, Jul 22

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Québec City to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Québec City to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Aug 24
YQB4:55 pmQuébec City
14h 25m
2 stops
IAD7:20 amWashington, D.C. Dulles Intl
Aug 30
IAD10:15 pmWashington, D.C. Dulles Intl
13h 47m
2 stops
YQB12:02 pmQuébec City
$613
United Airlines
Oct 1
YQB12:45 pmQuébec City
10h 14m
1 stop
IAD10:59 pmWashington, D.C. Dulles Intl
Oct 4
IAD6:45 amWashington, D.C. Dulles Intl
9h 27m
1 stop
YQB4:12 pmQuébec City
$666
United Airlines
Aug 9
YQB12:45 pmQuébec City
10h 36m
1 stop
IAD11:21 pmWashington, D.C. Dulles Intl
Aug 16
IAD6:15 amWashington, D.C. Dulles Intl
8h 53m
1 stop
YQB3:08 pmQuébec City
$671

Porter Airlines flights from Québec City to Washington, D.C. Dulles Intl Airport

Our best Porter Airlines deals on Québec City to Washington, D.C. Dulles Intl Airport flight tickets
Porter Airlines
Jul 20
YQB3:10 pmQuébec City
19h 15m
1 stop
IAD10:25 amWashington, D.C. Dulles Intl
Jul 22
IAD11:05 amWashington, D.C. Dulles Intl
8h 55m
2 stops
YQB8:00 pmQuébec City
$577
Porter Airlines
Jul 20
YQB3:10 pmQuébec City
19h 15m
1 stop
IAD10:25 amWashington, D.C. Dulles Intl
Jul 22
IAD11:05 amWashington, D.C. Dulles Intl
11h 15m
1 stop
YQB10:20 pmQuébec City
$581
Porter Airlines
Aug 24
YQB3:10 pmQuébec City
19h 35m
1 stop
IAD10:45 amWashington, D.C. Dulles Intl
Aug 30
IAD3:50 pmWashington, D.C. Dulles Intl
22h 37m
1 stop
YQB2:27 pmQuébec City
$606

momondo Fare Finder

 
Customize your flight search to find flights from Québec City to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated June 28, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 7/11

3:00 pm-12:45 am

1 stop9h 45m

Washington, D.C. Dulles Intl

Sun 7/12

8:18 am-1:55 pm

2 stops5h 37m

$504

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Sat 7/11

3:00 pm-12:45 am

1 stop9h 45m

Washington, D.C. Dulles Intl

Sun 7/12

9:55 am-3:56 pm

1 stop6h 01m

$509

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 7/20

3:10 pm-10:25 am

1 stop19h 15m

Washington, D.C. Dulles Intl

Wed 7/22

11:05 am-8:00 pm

2 stops8h 55m

$577

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 7/20

3:10 pm-10:25 am

1 stop19h 15m

Washington, D.C. Dulles Intl

Wed 7/22

11:05 am-10:20 pm

1 stop11h 15m

$581

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 7/20

3:10 pm-10:25 am

1 stop19h 15m

Washington, D.C. Dulles Intl

Wed 7/22

11:05 am-8:00 pm

2 stops8h 55m

$588

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 8/24

3:10 pm-10:45 am

1 stop19h 35m

Washington, D.C. Dulles Intl

Sun 8/30

3:50 pm-2:27 pm

1 stop22h 37m

$606

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 8/24

3:10 pm-10:45 am

1 stop19h 35m

Washington, D.C. Dulles Intl

Sun 8/30

11:25 am-8:00 pm

2 stops8h 35m

$608

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 8/24

4:55 pm-7:20 am

2 stops14h 25m

Washington, D.C. Dulles Intl

Sun 8/30

10:15 pm-12:02 pm

2 stops13h 47m

$613

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Thu 10/1

6:40 am-3:10 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Mon 10/5

11:25 am-10:20 pm

1 stop10h 55m

$629

Québec CityWashington, D.C.

YQB - IAD

YQBIAD

Québec City

Mon 7/20

4:55 pm-10:25 am

2 stops17h 30m

Washington, D.C. Dulles Intl

Wed 7/22

11:05 am-8:00 pm

2 stops8h 55m

$635

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Québec City to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest Québec City to Washington, D.C. Dulles Intl flight route?

Fly from Québec City to Washington, D.C. Dulles Intl for the best Québec City - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Québec City to Washington, D.C. Dulles Intl Airport flights?

There is only 1 cabin class available to choose from on Québec City to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Québec City to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Québec City to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Québec City to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Québec City to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Québec City to Washington, D.C. Dulles Intl Airport (YQB to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Québec City to Washington, D.C. Dulles Intl Airport

Best Price Found

$742

Fastest flight time

12h 58m

Direct flights

Sun
The best flight deal from Québec City to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $742
The fastest flight from Québec City to Washington, D.C. Dulles Intl Airport takes 12h 58m
Direct flights go from Québec City to Washington, D.C. Dulles Intl Airport on Sunday. There are no airlines offering direct flights.
Search flight deals

Frequently asked questions about flying from Québec City to Washington, D.C. Dulles Intl Airport

  • How far is Québec City to Washington, D.C. Dulles Intl by plane?

    Québec City and Washington, D.C. Dulles Intl are 627.4 mi apart from one another. A reasonable flight in good conditions will take 12h 58m.

  • When did momondo last update prices for flights from Québec City Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Québec City Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from Québec City Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Québec City Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
Springfield
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Québec City to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Québec City to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Québec City to Washington, D.C. with flexible booking policies on momondo?

Flights from Québec City to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Québec City to Washington, D.C.?

Once you have performed a search for Québec City to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Québec City to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Québec City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/28
Tue 8/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.