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Cheap flights from Québec City to Washington, D.C. from $272

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 10/2. 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.
Porter Airlines Logo
6:40 am - 3:10 pmYQB  Québec City-IAD Washington, D.C. Dulles Intl
8h 30m1 stop Toronto Pearson Intl
Porter Airlines Logo
3:50 pm - 4:50 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
25h 00m1 stop Toronto Island
$524Porter Airlines
Fri, Sep 25 - Sun, Sep 27
Air Canada Logo
3:00 pm - 12:44 amYQB  Québec City-IAD Washington, D.C. Dulles Intl
9h 44m1 stop Chicago O'Hare Intl
Air Canada Logo
9:45 am - 1:55 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
4h 10m1 stop Montreal Pierre Elliott Trudeau Intl
$534Air Canada
Sat, Sep 19 - Sun, Sep 20
Air Canada Logo
3:00 pm - 12:44 amYQB  Québec City-IAD Washington, D.C. Dulles Intl
9h 44m1 stop Chicago O'Hare Intl
Air Canada Logo
9:55 am - 4:07 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
6h 12m1 stop Toronto Pearson Intl
$538Air Canada
Sat, Sep 19 - Sun, Sep 20
Multiple Airlines Logo
6:40 am - 7:44 pmYQB  Québec City-IAD Washington, D.C. Dulles Intl
13h 04m2 stops Toronto Pearson Intl Fort Lauderdale
Multiple Airlines Logo
3:50 pm - 2:27 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
22h 37m1 stop Toronto Island
$544Multiple Airlines
Sat, Sep 5 - Tue, Sep 8
Multiple Airlines Logo
6:40 am - 3:10 pmYQB  Québec City-IAD Washington, D.C. Dulles Intl
8h 30m1 stop Toronto Pearson Intl
Multiple Airlines Logo
11:25 am - 8:00 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
8h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
$548Multiple Airlines
Fri, Sep 25 - Sun, Sep 27
Porter Airlines Logo
3:10 pm - 10:45 amYQB  Québec City-IAD Washington, D.C. Dulles Intl
19h 35m1 stop Toronto Island
Porter Airlines Logo
11:25 am - 8:00 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
8h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
$575Porter Airlines
Fri, Sep 25 - Mon, Sep 28
Multiple Airlines Logo
6:40 am - 3:25 pmYQB  Québec City-IAD Washington, D.C. Dulles Intl
8h 45m1 stop Toronto Pearson Intl
Multiple Airlines Logo
11:25 am - 8:00 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
8h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
$585Multiple Airlines
Sat, Sep 19 - Sun, Sep 20
Multiple Airlines Logo
6:40 am - 4:38 pmYQB  Québec City-IAD Washington, D.C. Dulles Intl
9h 58m1 stop Toronto Pearson Intl
Multiple Airlines Logo
11:25 am - 8:00 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
8h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
$588Multiple Airlines
Sat, Sep 19 - Sun, Sep 20
Multiple Airlines Logo
10:25 am - 8:25 pmYQB  Québec City-IAD Washington, D.C. Dulles Intl
10h 00m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
11:25 am - 8:00 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
8h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
$593Multiple Airlines
Sat, Sep 19 - Sun, Sep 20
Porter Airlines Logo
3:10 pm - 10:45 amYQB  Québec City-IAD Washington, D.C. Dulles Intl
19h 35m1 stop Toronto Island
Porter Airlines Logo
11:25 am - 8:00 pmIAD  Washington, D.C. Dulles Intl-YQB Québec City
8h 35m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
$602Porter Airlines
Fri, Oct 2 - Mon, Oct 5

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Air Canada flights from Québec City to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Québec City to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Sep 19
YQB3:00 pmQuébec City
9h 44m
1 stop
IAD12:44 amWashington, D.C. Dulles Intl
Sep 20
IAD9:45 amWashington, D.C. Dulles Intl
4h 10m
1 stop
YQB1:55 pmQuébec City
$534
Air Canada
Sep 19
YQB3:00 pmQuébec City
9h 44m
1 stop
IAD12:44 amWashington, D.C. Dulles Intl
Sep 20
IAD9:45 amWashington, D.C. Dulles Intl
4h 10m
1 stop
YQB1:55 pmQuébec City
$535
Air Canada
Sep 19
YQB3:00 pmQuébec City
9h 44m
1 stop
IAD12:44 amWashington, D.C. Dulles Intl
Sep 20
IAD9:55 amWashington, D.C. Dulles Intl
6h 12m
1 stop
YQB4:07 pmQuébec City
$538

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
Sep 19
YQB6:00 pmQuébec City
2h 05m
IAD8:05 pmWashington, D.C. Dulles Intl
Sep 20
IAD6:15 amWashington, D.C. Dulles Intl
5h 47m
1 stop
YQB12:02 pmQuébec City
$704
United Airlines
Sep 19
YQB6:00 pmQuébec City
2h 05m
IAD8:05 pmWashington, D.C. Dulles Intl
Sep 20
IAD6:15 amWashington, D.C. Dulles Intl
5h 47m
1 stop
YQB12:02 pmQuébec City
$705
United Airlines
Nov 2
YQB6:00 amQuébec City
5h 44m
1 stop
IAD11:44 amWashington, D.C. Dulles Intl
Nov 4
IAD8:37 amWashington, D.C. Dulles Intl
14h 10m
1 stop
YQB10:47 pmQuébec City
$710

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 August 18, 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

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Fri 9/25

6:40 am-3:10 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Sun 9/27

3:50 pm-4:50 pm

1 stop25h 00m

$524
Quickest round-trip

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 9/19

3:00 pm-12:44 am

1 stop9h 44m

Washington, D.C. Dulles Intl

Sun 9/20

9:45 am-1:55 pm

1 stop4h 10m

$534

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 9/19

3:00 pm-12:44 am

1 stop9h 44m

Washington, D.C. Dulles Intl

Sun 9/20

9:55 am-4:07 pm

1 stop6h 12m

$538

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 9/5

6:40 am-7:44 pm

2 stops13h 04m

Washington, D.C. Dulles Intl

Tue 9/8

3:50 pm-2:27 pm

1 stop22h 37m

$544

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Fri 9/25

6:40 am-3:10 pm

1 stop8h 30m

Washington, D.C. Dulles Intl

Sun 9/27

11:25 am-8:00 pm

2 stops8h 35m

$548

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Fri 9/25

3:10 pm-10:45 am

1 stop19h 35m

Washington, D.C. Dulles Intl

Mon 9/28

11:25 am-8:00 pm

2 stops8h 35m

$575

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 9/19

6:40 am-3:25 pm

1 stop8h 45m

Washington, D.C. Dulles Intl

Sun 9/20

11:25 am-8:00 pm

2 stops8h 35m

$585

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 9/19

6:40 am-4:38 pm

1 stop9h 58m

Washington, D.C. Dulles Intl

Sun 9/20

11:25 am-8:00 pm

2 stops8h 35m

$588

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Sat 9/19

10:25 am-8:25 pm

2 stops10h 00m

Washington, D.C. Dulles Intl

Sun 9/20

11:25 am-8:00 pm

2 stops8h 35m

$593

Québec CityWashington, D.C.

YQB Québec City - IAD Washington, D.C. Dulles Intl

YQBIAD

Québec City

Fri 10/2

3:10 pm-10:45 am

1 stop19h 35m

Washington, D.C. Dulles Intl

Mon 10/5

11:25 am-8:00 pm

2 stops8h 35m

$602

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 23% 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

$272

Fastest flight time

5h 44m

Direct flights

Sun
The best one-way flight to Washington, D.C. Dulles Intl Airport from Québec City in the past 72 hours is $272. The best round-trip flight deal from Québec City to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $524.
The fastest flight from Québec City to Washington, D.C. Dulles Intl Airport takes 5h 44m
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 5h 44m.

  • 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
Silver Spring
Towson
Sterling
Springfield
Colonial Beach
Fairfax
Edgewood
Tysons

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.

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