Flights from London to the United States from $ 470*

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Changed bag rules and optional services         Cruise Packages

Find United's best fares from London to the United States

$
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  • London (LHR)to

    Washington, D.C. (IAD)
    01/24/26 - 02/04/26
    from
    $ 555
    Viewed: 20 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Denver (DEN)
    10/30/26 - 11/20/26
    from
    $ 613
    Viewed: 21 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Houston (IAH)
    01/01/26 - 01/08/26
    from
    $ 1,021
    Viewed: 5 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Boston (BOS)
    03/01/26 - 03/06/26
    from
    $ 1,084
    Viewed: 22 hours ago
    Roundtrip
    Economy

  • London (LHR)to

    Miami (MIA)
    03/15/26 - 03/18/26
    from
    $ 1,318
    Viewed: 22 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Orlando (MCO)
    01/31/26 - 02/06/26
    from
    $ 538
    Viewed: 2 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Las Vegas (LAS)
    01/11/26 - 01/17/26
    from
    $ 615
    Viewed: 19 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Cleveland (CLE)
    08/01/26 - 08/12/26
    from
    $ 1,695
    Viewed: 1 hour ago
    Roundtrip
    Economy

  • London (LHR)to

    Austin (AUS)
    01/08/26 - 01/14/26
    from
    $ 845
    Viewed: 22 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Seattle (SEA)
    12/25/25 - 01/06/26
    from
    $ 563
    Viewed: 21 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Fort Myers (RSW)
    04/01/26 - 09/11/26
    from
    $ 1,019
    Viewed: 23 minutes ago
    Roundtrip
    Economy

    London (LHR)to

    Sacramento (SMF)
    12/22/25 - 01/20/26
    from
    $ 1,780
    Viewed: 1 day ago
    Roundtrip
    Economy

  • London (LHR)to

    Brownsville (BRO)
    06/23/26 - 07/08/26
    from
    $ 1,147
    Viewed: 2 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Charlotte (CLT)
    01/19/26 - 01/22/26
    from
    $ 2,310
    Viewed: 3 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Phoenix (PHX)
    12/21/25 - 01/04/26
    from
    $ 2,391
    Viewed: 19 hours ago
    Roundtrip
    Economy

    London (LHR)to

    New Orleans (MSY)
    02/14/26 - 02/25/26
    from
    $ 1,054
    Viewed: 1 day ago
    Roundtrip
    Economy

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Business class flights from London to the United States

$

London (LHR)to

Newark/New York (EWR)
07/16/26 - 08/09/26

Roundtrip

Business

from
$ 2,258
Viewed: 20 hours ago

London (LHR)to

San Francisco (SFO)
07/27/26 - 08/04/26

Roundtrip

Business

from
$ 2,882
Viewed: 1 day ago

London (LHR)to

Los Angeles (LAX)
12/20/25 - 01/09/26

Roundtrip

Business

from
$ 3,253
Viewed: 1 day ago

London (LHR)to

Chicago (ORD)
05/11/26 - 05/25/26

Roundtrip

Business

from
$ 3,062
Viewed: 1 day ago

London (LHR)to

Washington, D.C. (IAD)
05/19/26 - 05/22/26

Roundtrip

Business

from
$ 3,793
Viewed: 5 hours ago

London (LHR)to

Houston (IAH)
07/01/26 - 07/20/26

Roundtrip

Business

from
$ 3,873
Viewed: 1 day ago

London (LHR)to

Denver (DEN)
10/30/26 - 11/20/26

Roundtrip

Business

from
$ 3,793
Viewed: 21 hours ago

London (LHR)to

Boston (BOS)
03/01/26 - 03/06/26

Roundtrip

Business

from
$ 9,052
Viewed: 22 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.