Cheap flights from London, ON to District of Columbia from C$ 330

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — IAD
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap 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 23 October 2025.

Round-trip from

C$ 704

One-way from

C$ 330
Air Canada
  • Air Canada
  • 26/11-30/11
  • 2 total stops
  • 14h 26m total
  • London to District of Columbia
Air Canada
  • Air Canada
  • 5/12
  • 2 total stops
  • 7h 04m total
  • London to District of Columbia

Find flight deals from London to District of Columbia

Enter your travel dates to find the best prices.

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 23 October 2025.

Wed 26/119:25 a.m.YXU - IAD
1 stop6h 21mAir Canada
Sun 30/119:00 a.m.IAD - YXU
1 stop8h 05mAir Canada
Deal found 23/10C$ 704
Sat 6/125:40 p.m.YXU - DCA
1 stop4h 55mUnited Airlines
Sat 13/126:30 a.m.DCA - YXU
2 stops10h 35mUnited Airlines
Deal found 22/10C$ 738
Sat 6/125:40 p.m.YXU - IAD
1 stop3h 40mUnited Airlines
Sat 13/1212:35 p.m.IAD - YXU
1 stop4h 30mUnited Airlines
Deal found 22/10C$ 738
Sun 7/125:15 a.m.YXU - DCA
1 stop3h 40mUnited Airlines
Sun 14/126:30 a.m.DCA - YXU
2 stops10h 35mUnited Airlines
Deal found 23/10C$ 739
Wed 26/119:25 a.m.YXU - DCA
2 stops7h 31mMultiple Airlines
Sun 30/116:00 a.m.DCA - YXU
2 stops11h 05mMultiple Airlines
Deal found 23/10C$ 748
Wed 26/119:25 a.m.YXU - DCA
1 stop13h 10mAir Canada
Sun 30/116:59 a.m.DCA - YXU
1 stop10h 06mAir Canada
Deal found 23/10C$ 755
Sat 15/115:15 a.m.YXU - IAD
1 stop10h 31mAir Canada
Sun 16/119:00 a.m.IAD - YXU
1 stop12h 21mAir Canada
Deal found 21/10C$ 787
Wed 26/119:25 a.m.YXU - DCA
2 stops9h 42mUnited Airlines
Sun 30/116:59 a.m.DCA - YXU
1 stop10h 06mUnited Airlines
Deal found 23/10C$ 797
Sat 15/115:15 a.m.YXU - IAD
2 stops12h 15mUnited Airlines
Sun 16/114:30 p.m.IAD - YXU
1 stop4h 51mUnited Airlines
Deal found 21/10C$ 848
Sat 15/115:15 a.m.YXU - IAD
2 stops17h 43mMultiple Airlines
Sun 16/119:45 a.m.IAD - YXU
2 stops11h 36mMultiple Airlines
Deal found 21/10C$ 865
Wed 26/115:15 a.m.YXU - IAD
2 stops15h 42mMultiple Airlines
Sun 30/119:45 a.m.IAD - YXU
2 stops7h 20mMultiple Airlines
Deal found 23/10C$ 1,068

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 629,999 searches. Data last updated 23 October 2025.
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 - IAD

YXUIAD

London

Wed 26/11

9:25 a.m.-3:46 p.m.

1 stop6h 21m

Washington, D.C. Dulles Intl

Sun 30/11

9:00 a.m.-5:05 p.m.

1 stop8h 05m

C$ 704

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 6/12

5:40 p.m.-10:35 p.m.

1 stop4h 55m

Washington, D.C. Reagan-National

Sat 13/12

6:30 a.m.-5:05 p.m.

2 stops10h 35m

C$ 738

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sat 6/12

9:25 a.m.-3:46 p.m.

1 stop6h 21m

Washington, D.C. Dulles Intl

Sat 13/12

8:20 a.m.-9:21 p.m.

2 stops13h 01m

C$ 738

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 7/12

5:15 a.m.-8:55 a.m.

1 stop3h 40m

Washington, D.C. Reagan-National

Sun 14/12

6:30 a.m.-5:05 p.m.

2 stops10h 35m

C$ 739

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 26/11

9:25 a.m.-4:56 p.m.

2 stops7h 31m

Washington, D.C. Reagan-National

Sun 30/11

6:00 a.m.-5:05 p.m.

2 stops11h 05m

C$ 748

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 26/11

9:25 a.m.-10:35 p.m.

1 stop13h 10m

Washington, D.C. Reagan-National

Sun 30/11

6:59 a.m.-5:05 p.m.

1 stop10h 06m

C$ 755

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Wed 26/11

9:25 a.m.-7:07 p.m.

2 stops9h 42m

Washington, D.C. Reagan-National

Sun 30/11

6:59 a.m.-5:05 p.m.

1 stop10h 06m

C$ 797

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sat 15/11

5:15 a.m.-5:30 p.m.

2 stops12h 15m

Washington, D.C. Dulles Intl

Sun 16/11

4:30 p.m.-9:21 p.m.

1 stop4h 51m

C$ 848

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sat 15/11

5:15 a.m.-10:58 p.m.

2 stops17h 43m

Washington, D.C. Dulles Intl

Sun 16/11

9:45 a.m.-9:21 p.m.

2 stops11h 36m

C$ 865

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Wed 26/11

5:15 a.m.-8:57 p.m.

2 stops15h 42m

Washington, D.C. Dulles Intl

Sun 30/11

9:45 a.m.-5:05 p.m.

2 stops7h 20m

C$ 1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/10

Showing 1-10 of 13 results
1
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, February is the cheapest month in which you can book a flight from London, Ontario to District of Columbia (average of C$ 185). Flying from London, Ontario to District of Columbia in January is currently the most expensive (average of C$ 274). 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), located 8.6 km from the city centre, is the airport you fly out of when you book flights from London to District of Columbia.

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

    A quick flight from London, Ontario to District of Columbia can take about 4h 55m. Air Canada provides one of the quickest options available for as low as C$ 738. The distance between London, Ontario and District of Columbia is about 578 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, February is the cheapest month in which you can book a flight from London, Ontario to District of Columbia (average of C$ 185). Flying from London, Ontario to District of Columbia in January is currently the most expensive (average of C$ 274). 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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to District of Columbia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to District of Columbia from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to District of Columbia?

Cheapflights simply makes it quick and affordable to book flights from London to District of Columbia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to District of Columbia with no change fees?

Yes, we can. To see specific flights from London to District of Columbia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to District of Columbia become cheaper?

Of course! You can now track prices for flights from London to District of Columbia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.