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Flights from Washington D.C. to London
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Find cheap one-way flights from Washington D.C. to London starting at US$201.

For as little as US$201, you can take your next adventure to London without breaking the bank. Choose between one-way and return tickets from Washington D.C. below.

  • One way
  • Round-trip
      • IAD18:50
        12h 50m
        1 stop
        LTN12:40
        Sun, Jul 28|Washington D.C. - London|PLAY Airline
        US$201US$314
        36% OFF
        36% OFF
        US$314US$201
      • IAD18:50
        10h 50m
        1 stop
        STN10:40
        Mon, Jul 29|Washington D.C. - London|PLAY Airline
        US$203US$314
        35% OFF
        35% OFF
        US$314US$203
      • IAD18:50
        10h 50m
        1 stop
        STN10:40
        Tue, Jul 30|Washington D.C. - London|PLAY Airline
        US$206US$314
        34% OFF
        34% OFF
        US$314US$206
      • DCA17:45
        14h 45m
        1 stop
        LGW13:30
        Sun, Aug 18|Washington D.C. - London|American Airlines
        US$214
        US$214
      • DCA20:12
        29h 48m
        1 stop
        LGW07:00
        Tue, Aug 6|Washington D.C. - London|American Airlines
        US$219
        US$219
      • DCA19:09
        30h 51m
        1 stop
        LGW07:00
        Mon, Aug 5|Washington D.C. - London|American Airlines
        US$223
        US$223
      • DCA11:42
        13h 38m
        1 stop
        LGW06:20
        Thu, Oct 3|Washington D.C. - London|American Airlines
        US$228
        US$228
      • IAD22:26
        26h 54m
        1 stop
        LGW06:20
        Sun, Sep 22|Washington D.C. - London|United Airlines
        US$229
        US$229
      • IAD22:26
        26h 54m
        1 stop
        LGW06:20
        Thu, Sep 19|Washington D.C. - London|United Airlines
        US$229
        US$229
      • IAD18:50
        13h 50m
        1 stop
        LTN13:40
        Tue, Aug 20|Washington D.C. - London|PLAY Airline
        US$233
        US$233
      • WAS13:00
        3h 5m
        Direct
        LON14:00
        Sat, Aug 3|Washington D.C. - London|PLAY Airline
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Washington D.C. to London?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to London from Washington D.C. have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Washington D.C. to London

Which airline provides the cheapest flights from Washington D.C. to London? Discover the option that best suits your travel needs before embarking on your journey.

Icelandair
From US$179
American Airlines
From US$194
Delta Air Lines
From US$198
PLAY Airline
From US$201
United Airlines
From US$229
Jetblue Airways
From US$239
TAP Air Portugal
From US$271
Alaska Airlines
From US$334
Air Canada
From US$352
Virgin Atlantic
From US$360
ANA airlines

Find more flights and airlines

Find cheap flights from Washington D.C. to London by different airports

There are various non-direct routes from Washington D.C. to London which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • Cheapest
    Icelandair
    IAD
    23:15
    16h 5m
    1 transfer
    LHR
    20:20
    Dulles International Airport - London Heathrow Airport
    Thu, Oct 3Icelandair
    US$179
  • Icelandair
    IAD
    20:30
    10h 15m
    1 transfer
    LGW
    11:45
    Dulles International Airport - Gatwick Airport
    Thu, Oct 3Icelandair
    US$186
  • American Airlines
    DCA
    12:34
    12h 46m
    1 transfer
    LGW
    06:20
    Ronald Reagan Washington National Airport - Gatwick Airport
    Mon, Oct 14American Airlines
    US$194
  • American Airlines
    DCA
    12:34
    12h 46m
    1 transfer
    LGW
    06:20
    Ronald Reagan Washington National Airport - Gatwick Airport
    Mon, Oct 14American Airlines
    US$194
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Washington D.C. (WAS) to London (LON) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to London based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Washington D.C. (WAS) to London (LON) cost?

    According to Trip.com's data, the lowest price is around $1,002.

  • How long does it take to fly from Washington D.C. (WAS) to London (LON) and what is the distance?

    It takes around 7 hours 16 minutes to fly from Washington D.C. (WAS) to London (LON).

  • What is the transportation method from the main airport to downtown in London?

    • The distance from Gatwick Airport to downtown is about 39km. It takes about 50 minutes by taxi.
    • The distance from London Heathrow Airport to downtown is about 23km. It takes about 40 minutes by taxi.
    • The distance from London Luton Airport to downtown is about 44km. It takes about 1 hour by taxi.

  • What are the most popular airlines that fly from Washington D.C. (WAS) to London (LON)?

How to find a cheap flight from Washington D.C. to London

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Washington D.C. to London Flight Information

Cheapest nonstop flight price

$201

Cheapest round-trip ticket price

$573

Off-season for travel

February

Peak season for travel

January

Flight distance

5,896.82km

Average flight time

7 hours 16 minutes

Popular airline

American Airlines

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