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Cheap flights from London, ON to District of Columbia from C$ 631

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — IAD
6 Dec — 13 Dec1
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 6 November 2025.

Round-trip from

C$ 655

One-way from

C$ 631
Air Canada
  • Air Canada
  • 24/4-27/4
  • 4 total stops
  • 18h 37m total
  • London to District of Columbia
Search Deals
Air Canada
  • Air Canada
  • 21/12
  • 1 total stop
  • 3h 45m total
  • London to District of Columbia
Search Deals

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 6 November 2025.

Sat 20/129:25 a.m.YXU - IAD
2 stops14h 50mUnited Airlines
Sat 27/128:15 a.m.IAD - YXU
2 stops13h 06mUnited Airlines
Deal found 5/11C$ 1,054
Sat 20/129:25 a.m.YXU - DCA
2 stops11h 34mUnited Airlines
Sat 27/127:30 a.m.DCA - YXU
2 stops13h 51mUnited Airlines
Deal found 5/11C$ 1,123

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 6 November 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 - DCA

YXUDCA

London

Fri 24/4

5:10 a.m.-3:24 p.m.

2 stops10h 14m

Washington, D.C. Reagan-National

Mon 27/4

12:55 p.m.-9:18 p.m.

2 stops8h 23m

C$ 655

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Fri 24/4

9:25 a.m.-3:39 p.m.

1 stop6h 14m

Washington, D.C. Dulles Intl

Tue 28/4

9:55 a.m.-9:18 p.m.

2 stops11h 23m

C$ 655

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sat 20/12

9:25 a.m.-12:15 a.m.

2 stops14h 50m

Washington, D.C. Dulles Intl

Sat 27/12

8:15 a.m.-9:21 p.m.

2 stops13h 06m

C$ 1,054

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sat 20/12

9:25 a.m.-8:59 p.m.

2 stops11h 34m

Washington, D.C. Reagan-National

Sat 27/12

7:30 a.m.-9:21 p.m.

2 stops13h 51m

C$ 1,123

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 21/12

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 631

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 21/12

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

1 stop6h 21m

C$ 700

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 21/12

8:10 p.m.-11:38 a.m.

3 stops39h 28m

C$ 773

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 21/12

9:25 a.m.-8:59 a.m.

2 stops23h 34m

C$ 820

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 21/12

8:10 p.m.-4:59 p.m.

3 stops44h 49m

C$ 1,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

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$ 186). Flying from London, Ontario to District of Columbia in January is currently the most expensive (average of C$ 276). 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 10h 14m. Air Canada provides one of the quickest options available for as low as C$ 655. The distance between London, Ontario and District of Columbia is about 578 km.

  • 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$ 186). Flying from London, Ontario to District of Columbia in January is currently the most expensive (average of C$ 276). 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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How does Cheapflights help users find flights from London to District of Columbia?

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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.

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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.

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