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Cheap Flights from London to Washington D.C.

  • London Washington

    Sat, Apr 25 - Sun, Apr 26

    From US$347.43
  • London Washington

    Wed, Apr 29 - Thu, Apr 30

    From US$373.33
  • London Washington

    Tue, Apr 21 - Mon, Apr 27

    From US$457.37
  • London Washington

    Tue, Apr 21 - Mon, Apr 27

    From US$459.49
  • London Washington

    Tue, Apr 21 - Mon, Apr 27

    From US$459.49
  • London Washington

    Thu, Apr 16 - Wed, Apr 22

    From US$486.37

Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

London to Washington D.C. Flight Information

Below are some common questions asked about this flight route:

When can I book the cheapest flight from London to Washington D.C.?

Airlines adjust prices for plane tickets based on the day and time that you book your flight. After analyzing data from all airlines, we have discovered that the best days to book flights from London to Washington D.C. are Tuesdays, Wednesdays, and Saturdays.

What are the airlines flying from London to Washington D.C.?

What is the most popular airline for non-stop flights from London to Washington D.C.?

United Airlines provides 50 of the non-stop flights between London and Washington D.C..

How many airports are there in Washington D.C.?

Average duration of direct flights: 8h23m
Airports at destination:
Flight route:
Price starting from:

London to Washington D.C. Flight Schedule

Flight info. Departure
Arrival
Route Weekly Schedule
12:25 LHR 16:10 IAD
London to Washington D.C. -MT---- Search
16:40 LHR 20:00 IAD
London to Washington D.C. -M----- Search
11:15 LHR 14:15 IAD
London to Washington D.C. SMTWTFS Search
07:30 LHR 11:15 IAD
London to Washington D.C. -M----- Search
17:00 LHR 20:25 IAD
London to Washington D.C. SMTWTFS Search
AY5533
17:10 LHR 20:20 IAD
London to Washington D.C. SMTWTFS Search
PF047
15:55 STN 19:50 IAD
London to Washington D.C. -----F- Search
IB4657
17:10 LHR 20:20 IAD
London to Washington D.C. SMTWTFS Search
LH9266
16:40 LHR 20:00 IAD
London to Washington D.C. -M----- Search
12:15 LHR 15:30 IAD
London to Washington D.C. ----TF- Search
AY5417
11:50 LHR 15:15 IAD
London to Washington D.C. SMTWTFS Search
EI8917
11:00 LHR 14:05 IAD
London to Washington D.C. ----T-- Search
LH9260
12:15 LHR 15:30 IAD
London to Washington D.C. ----TF- Search
12:25 LHR 16:10 IAD
London to Washington D.C. -MT---- Search
EI8993
17:10 LHR 20:20 IAD
London to Washington D.C. -----F- Search
17:00 LHR 21:25 IAD
London to Washington D.C. SMTWTFS Search
12:15 LHR 15:30 IAD
London to Washington D.C. ----TF- Search
AC5345
12:15 LHR 15:15 IAD
London to Washington D.C. -----F- Search
LH9226
07:45 LHR 11:20 IAD
London to Washington D.C. -M----- Search
11:50 LHR 15:15 IAD
London to Washington D.C. -----F- Search

London to Washington Dulles International Airport (IAD)

17:10, Apr 21 - 22:20, Apr 28
AY | Finnair
8h 10m
LHR - IAD
Nonstop
US$508
Round-trip from
Search
17:10, Apr 21 - 22:20, Apr 28
AA | American Airlines
8h 10m
LHR - IAD
Nonstop
US$508
Round-trip from
Search
11:55, May 13 - 18:10, May 19
VS | Virgin Atlantic
8h 25m
LHR - IAD
Nonstop
US$522
Round-trip from
Search
11:15, Apr 18 - 18:35, Apr 23
BA | British Airways
8h 0m
LHR - IAD
Nonstop
US$528
Round-trip from
Search
11:55, May 6 - 18:10, May 11
DL | Delta Air Lines
8h 25m
LHR - IAD
Nonstop
US$537
Round-trip from
Search

London to Ronald Reagan Washington National Airport (DCA)

08:05, Apr 30 - 18:25, Apr 30
UA | United Airlines
11h 9m
LHR - DCA
1 stop
US$387
Round-trip from
Search
20:20, Apr 13 - 18:10, Apr 19
VS | Virgin Atlantic
17h 11m
LHR - DCA
1 stop
US$578
Round-trip from
Search
14:30, May 2 - 22:20, May 4
AY | Finnair
12h 45m
LHR - DCA
1 stop
US$638
Round-trip from
Search
11:15, Apr 13 - 22:20, Apr 19
AA | American Airlines
11h 27m
LHR - DCA
1 stop
US$657
Round-trip from
Search
20:05, Apr 13 - 18:35, Apr 19
BA | British Airways
16h 40m
LHR - DCA
1 stop
US$678
Round-trip from
Search

Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

Roundtrip vs One-Way Flights from London to Washington D.C.

There is usually no major price difference between buying a roundtrip flight versus a one-way flight. Increased flexibility is the main benefit when it comes to buying a one-way flight from London to Washington D.C.. However, booking a roundtrip flight is a simpler process. You can compare roundtrip and one-way flights by using our flight comparison tool.

Nonstop vs Connecting Flights from London to Washington D.C.

The average price for connecting flights from London to Washington D.C. is USD 574.82.The average price for nonstop flights from London to Washington D.C. is USD 799.72.

Travel from London to Washington D.C.

Washington D.C. attracts thousands of visitors every year for both business and pleasure. Planning a trip from London to Washington D.C. is easy when you use Trip.com to help you make travel arrangements. With Trip.com, you can search for available flights and hotel rooms, and then make your booking quickly and easily online.

A Trip to Remember

Make your journey from London to Washington D.C. a trip to remember when you use Trip.com to review city attractions before you arrive. With a preview of what's available at your destination, you can make any necessary reservations in advance for the best travel experience possible.