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Cheap flights from District of Columbia to London, ON from C$ 403

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YXU
27 May — 3 Haz1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from District of Columbia to London

Enter your travel dates to find the best prices.

Cheapest flights from District of Columbia to London
Explore the most affordable flight options available from District of Columbia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 Nisan 2026.

Per 24/911:00 a.m.
DCA
-
YXU
1 stop3h 55m
Air Canada
Paz 27/96:20 p.m.
YXU
-
DCA
1 stop4h 14m
Air Canada
Deal found 23/4C$ 839
Per 24/94:00 p.m.
IAD
-
YXU
1 stop5h 40m
Air Canada
Paz 27/93:30 p.m.
YXU
-
IAD
1 stop4h 55m
Air Canada
Deal found 23/4C$ 839
Cmt 4/711:00 a.m.
DCA
-
YXU
1 stop3h 55m
Air Canada
Pzt 6/75:10 a.m.
YXU
-
DCA
1 stop3h 42m
Air Canada
Deal found 27/4C$ 865
Cmt 4/74:20 p.m.
IAD
-
YXU
1 stop5h 20m
Air Canada
Pzt 6/73:30 p.m.
YXU
-
IAD
1 stop4h 54m
Air Canada
Deal found 27/4C$ 865
Pzt 20/711:00 a.m.
DCA
-
YXU
1 stop3h 55m
Air Canada
Per 23/75:10 a.m.
YXU
-
DCA
1 stop3h 42m
Air Canada
Deal found 26/4C$ 880
Pzt 20/79:55 a.m.
IAD
-
YXU
1 stop5h 00m
Air Canada
Per 23/73:30 p.m.
YXU
-
IAD
1 stop4h 54m
Air Canada
Deal found 26/4C$ 880
Pzt 13/79:45 a.m.
IAD
-
YXU
2 stops8h 00m
Air Canada
Cum 17/710:05 a.m.
YXU
-
IAD
1 stop5h 19m
Air Canada
Deal found 23/4C$ 892
Çar 10/66:59 a.m.
DCA
-
YXU
1 stop7h 59m
Air Canada
Çar 17/63:30 p.m.
YXU
-
DCA
1 stop4h 28m
Air Canada
Deal found 26/4C$ 914
Cum 1/56:59 a.m.
DCA
-
YXU
1 stop4h 44m
Air Canada
Cmt 9/56:10 p.m.
YXU
-
DCA
1 stop4h 18m
Air Canada
Deal found 22/4C$ 998
Cum 1/54:05 p.m.
IAD
-
YXU
1 stop5h 33m
Air Canada
Cmt 9/59:30 a.m.
YXU
-
IAD
1 stop5h 59m
Air Canada
Deal found 22/4C$ 998
Per 24/96:30 a.m.
DCA
-
YXU
2 stops8h 25m
United Airlines
Paz 27/93:30 p.m.
YXU
-
DCA
1 stop4h 30m
United Airlines
Deal found 23/4C$ 999
Cmt 4/76:33 a.m.
IAD
-
YXU
2 stops8h 22m
United Airlines
Pzt 6/73:30 p.m.
YXU
-
IAD
1 stop4h 54m
United Airlines
Deal found 27/4C$ 1,000

Find flight deals from District of Columbia to London

Keep the following information in mind while searching for District of Columbia to London flight deals. Data was last updated 27 Nisan 2026.

Round-trip from

C$ 839

One-way from

C$ 403
Air Canada
  • Air Canada
  • 24/9-27/9
  • 2 total stops
  • 8h 09m total
  • District of Columbia to London
Search Deals
Air Canada
  • Air Canada
  • 6/6
  • 1 total stop
  • 4h 44m total
  • District of Columbia to London
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to London 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 27 Nisan 2026.
Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Per 24/9

11:00 a.m.-2:55 p.m.

1 stop3h 55m

London

Paz 27/9

6:20 p.m.-10:34 p.m.

1 stop4h 14m

C$ 839

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Per 24/9

4:00 p.m.-9:40 p.m.

1 stop5h 40m

London

Paz 27/9

3:30 p.m.-8:25 p.m.

1 stop4h 55m

C$ 839
Quickest round-trip

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Cmt 4/7

11:00 a.m.-2:55 p.m.

1 stop3h 55m

London

Pzt 6/7

5:10 a.m.-8:52 a.m.

1 stop3h 42m

C$ 865

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Cmt 4/7

4:20 p.m.-9:40 p.m.

1 stop5h 20m

London

Pzt 6/7

3:30 p.m.-8:24 p.m.

1 stop4h 54m

C$ 865

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Pzt 20/7

11:00 a.m.-2:55 p.m.

1 stop3h 55m

London

Per 23/7

6:20 p.m.-10:31 p.m.

1 stop4h 11m

C$ 880

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sal 18/8

11:00 a.m.-2:55 p.m.

1 stop3h 55m

London

Çar 19/8

6:20 p.m.-10:31 p.m.

1 stop4h 11m

C$ 880

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Sal 9/6

11:00 a.m.-2:58 p.m.

1 stop3h 58m

London

Sal 16/6

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

1 stop3h 43m

C$ 880

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Pzt 20/7

4:20 p.m.-9:40 p.m.

1 stop5h 20m

London

Per 23/7

3:30 p.m.-8:24 p.m.

1 stop4h 54m

C$ 880

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Paz 7/6

4:05 p.m.-9:38 p.m.

1 stop5h 33m

London

Paz 14/6

10:05 a.m.-3:29 p.m.

1 stop5h 24m

C$ 880

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Pzt 13/7

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

2 stops8h 00m

London

Cum 17/7

9:30 a.m.-3:24 p.m.

1 stop5h 54m

C$ 891

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

Have a flexible travel schedule? Discover the best time to fly to London from District of Columbia 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 District of Columbia to London
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    London (YXU), located 8.6 km from the city centre, is the airport you fly into when you book flights from District of Columbia to London.

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

    There are many flights that can get you from District of Columbia to London, Ontario in 3h 55m. Fly via Air Canada to get the fastest option. Airlines will cover a distance of 578 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from District of Columbia to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Port Stanley
Grand Bend

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