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Cheap flights from London, ON to District of Columbia from C$ 380

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — IAD
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 1 March 2026.

Mon 30/35:10 a.m.
YXU
-
DCA
2 stops6h 51m
Air Canada
Tue 31/36:00 a.m.
DCA
-
YXU
2 stops11h 03m
Air Canada
Deal found 25/2C$ 612
Mon 30/39:40 a.m.
YXU
-
IAD
1 stop5h 54m
Air Canada
Tue 31/39:00 a.m.
IAD
-
YXU
1 stop8h 03m
Air Canada
Deal found 25/2C$ 657
Thu 9/45:10 a.m.
YXU
-
IAD
2 stops6h 40m
Air Canada
Sun 12/410:14 p.m.
IAD
-
YXU
1 stop10h 30m
Air Canada
Deal found 26/2C$ 751
Thu 14/59:30 a.m.
YXU
-
IAD
1 stop5h 59m
United Airlines
Mon 18/56:00 a.m.
IAD
-
YXU
2 stops11h 33m
United Airlines
Deal found 28/2C$ 753
Thu 14/59:30 a.m.
YXU
-
IAD
1 stop5h 59m
Air Canada
Mon 18/54:05 p.m.
IAD
-
YXU
1 stop5h 33m
Air Canada
Deal found 28/2C$ 901

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 1 March 2026.

Round-trip from

C$ 612

One-way from

C$ 380
Air Canada
  • Air Canada
  • 30/3-31/3
  • 4 total stops
  • 17h 54m total
  • London to District of Columbia
Search Deals
United Airlines
  • United Airlines
  • 12/4
  • 1 total stop
  • 3h 43m total
  • 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 629,999 searches. Data last updated 1 March 2026.
Use the filters below to find and compare flights from London to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Mon 30/3

5:10 a.m.-12:01 p.m.

2 stops6h 51m

Washington, D.C. Reagan-National

Tue 31/3

6:00 a.m.-5:03 p.m.

2 stops11h 03m

C$ 612

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Mon 30/3

9:40 a.m.-3:34 p.m.

1 stop5h 54m

Washington, D.C. Dulles Intl

Tue 31/3

9:00 a.m.-5:03 p.m.

1 stop8h 03m

C$ 657

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Thu 9/4

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

1 stop6h 14m

Washington, D.C. Dulles Intl

Sun 12/4

10:14 p.m.-8:44 a.m.

1 stop10h 30m

C$ 751

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Thu 14/5

9:30 a.m.-3:29 p.m.

1 stop5h 59m

Washington, D.C. Dulles Intl

Mon 18/5

6:00 a.m.-5:33 p.m.

2 stops11h 33m

C$ 753

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Sun 12/4

5:10 a.m.-8:53 a.m.

1 stop3h 43m

C$ 380

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Sun 12/4

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

1 stop6h 14m

C$ 380

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Mon 9/3

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

1 stop4h 55m

C$ 421

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Mon 9/3

9:40 a.m.-8:26 p.m.

1 stop10h 46m

C$ 455

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Mon 9/3

5:10 a.m.-2:23 p.m.

2 stops9h 13m

C$ 473

LondonWashington, D.C.

YXU - IAD

YXUIAD

London

Mon 9/3

9:40 a.m.-9:05 p.m.

2 stops11h 25m

C$ 473

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/2

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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 C$ 106). Flying from London, Ontario to District of Columbia in August is currently the most expensive (average of C$ 247). 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 6h 51m. Air Canada provides one of the quickest options available for as low as C$ 612. 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, January is the cheapest month in which you can book a flight from London, Ontario to District of Columbia (average of C$ 106). Flying from London, Ontario to District of Columbia in August is currently the most expensive (average of C$ 247). 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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