HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$287+ Cheap flights from London, ON (YXU) to District of Columbia

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — IAD
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from London to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from London to District of Columbia

Cheapest flights from London to District of Columbia
Explore the most affordable flight options available from London to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Air Canada deal was found by Cheapflights users on 2/2. 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.
Mon 3/305:10 am
YXU
-
DCA
2 stops6h 51m
Air Canada
Tue 3/3112:55 pm
DCA
-
YXU
2 stops8h 23m
Air Canada
Deal found 2/2$473
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Mon 3/309:40 am
YXU
-
IAD
1 stop5h 54m
Air Canada
Tue 3/314:30 pm
IAD
-
YXU
1 stop4h 48m
Air Canada
Deal found 2/3$473

Find flight deals from London to District of Columbia

Keep the following information in mind while searching for London to District of Columbia flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$473
(Air Canada)

One-way from

$287
(Air Canada)
Provider with most accurate pricing for London-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London-Washington, D.C. (WAS) flights.
Search Deals
From London to District of Columbia
Search Deals
One-way flight from London to District of Columbia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to District of Columbia 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 February 4, 2026.
Use the filters below to find and compare flights from London to District of Columbia that are best for you.

Fly from

London

Fly to

District of Columbia

Route

Depart

Return

Price

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Mon 3/30

5:10 am-12:01 pm

2 stops6h 51m

Washington, D.C. Reagan-National

Tue 3/31

12:55 pm-9:18 pm

2 stops8h 23m

$473

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Mon 3/30

9:40 am-3:34 pm

1 stop5h 54m

Washington, D.C. Dulles Intl

Tue 3/31

4:30 pm-9:18 pm

1 stop4h 48m

$473

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 3/4

5:10 am-8:55 am

1 stop3h 45m

$287

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Wed 3/4

9:40 am-3:46 pm

1 stop6h 06m

$287

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Wed 3/4

9:40 am-9:18 pm

2 stops11h 38m

$320

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 3/4

8:10 pm-1:02 pm

3 stops40h 52m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Best time to book a flight from London to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from London 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 London to District of Columbia

What is the cheapest month to book a flight from London, Ontario to District of Columbia?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to District of Columbia (average of $101). Flying from London, Ontario to District of Columbia in August is currently the most expensive (average of $181). 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.

Related info for your journey

Find useful and relevant information for your journey from London to District of Columbia. 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 London to District of Columbia?

    London (YXU) is the airport you will fly out of if you book a flight from London to District of Columbia. It is only a 5.3 mi journey to London (YXU) from London’s city center.

  • How long is the flight from London, Ontario to District of Columbia?

    There are many flights that can get you from London, Ontario to District of Columbia in 6h 51m. Fly via Air Canada to get the fastest option. Airlines will cover a distance of 359 mi.

  • Can I find deals for flights from London to District of Columbia that include hotel bookings?

    Yes. In addition to deals on London to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to District of Columbia.

  • Can I find deals for business class flights from London to District of Columbia?

    Yes. Cheapflights offers flight deals from London to District of Columbia 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 London, Ontario to District of Columbia?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to District of Columbia (average of $101). Flying from London, Ontario to District of Columbia in August is currently the most expensive (average of $181). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Miami flights
Pearson Intl to LaGuardia flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Orlando flights
Pierre Elliott Trudeau Intl to Newark flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Los Angeles flights
Pearson Intl to Tampa flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to San Francisco flights
Pearson Intl to Seattle flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Hobby flights
Toronto Island to Orlando flights
Toronto Island to Fort Lauderdale flights
Toronto Island to Miami flights
Pearson Intl to Sky Harbor Intl flights
Pearson Intl to Boston flights
Pearson Intl to Fort Myers flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Reagan-National flights
Pearson Intl to Nashville flights
Pearson Intl to Atlanta flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Boston flights
Hamilton to Fort Lauderdale flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to San Diego flights
Pierre Elliott Trudeau Intl to Boston flights
Pierre Elliott Trudeau Intl to Nashville flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Ontario flights
Pearson Intl to West Palm Beach flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Toronto Island to LaGuardia flights
Toronto Island to Midway flights
Pearson Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Tampa flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.