Flights from London to the United States from $ 492*

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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

    Houston (IAH)
    12/27/25 - 01/03/26
    from
    $ 1,255
    Viewed: 18 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Washington, D.C. (IAD)
    01/04/26 - 01/18/26
    from
    $ 1,586
    Viewed: 8 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Denver (DEN)
    06/01/26 - 06/22/26
    from
    $ 786
    Viewed: 3 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Las Vegas (LAS)
    02/06/26 - 02/09/26
    from
    $ 613
    Viewed: 21 hours ago
    Roundtrip
    Economy

  • London (LHR)to

    Fort Myers (RSW)
    06/09/26 - 06/21/26
    from
    $ 900
    Viewed: 10 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Charlotte (CLT)
    04/18/26 - 04/25/26
    from
    $ 859
    Viewed: 17 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Pittsburgh (PIT)
    05/01/26 - 05/04/26
    from
    $ 663
    Viewed: 5 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Louisville (SDF)
    07/22/26 - 07/31/26
    from
    $ 1,308
    Viewed: 6 hours ago
    Roundtrip
    Economy

  • London (LHR)to

    Maui (OGG)
    01/03/26 - 01/23/26
    from
    $ 1,977
    Viewed: 22 hours ago
    Roundtrip
    Economy

    London (LHR)to

    State College (SCE)
    01/16/26 - 02/01/26
    from
    $ 847
    Viewed: 3 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Key West (EYW)
    02/07/26 - 02/14/26
    from
    $ 551
    Viewed: 9 hours 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)
04/13/26 - 04/20/26

Roundtrip

Business

from
$ 2,844
Viewed: 18 hours ago

London (LHR)to

San Francisco (SFO)
05/06/26 - 05/20/26

Roundtrip

Business

from
$ 4,787
Viewed: 4 hours ago

London (LHR)to

Los Angeles (LAX)
01/01/26 - 02/05/26

Roundtrip

Business

from
$ 11,401
Viewed: 2 hours ago

London (LHR)to

Chicago (ORD)
03/21/26 - 03/28/26

Roundtrip

Business

from
$ 3,036
Viewed: 1 hour ago

London (LHR)to

Houston (IAH)
01/08/26 - 08/11/26

Roundtrip

Business

from
$ 5,379
Viewed: 9 hours ago

London (LHR)to

Washington, D.C. (IAD)
01/04/26 - 01/18/26

Roundtrip

Business

from
$ 5,533
Viewed: 8 hours ago

London (LHR)to

Denver (DEN)
06/01/26 - 06/22/26

Roundtrip

Business

from
$ 5,148
Viewed: 3 hours ago

London (LHR)to

Las Vegas (LAS)
02/27/26 - 03/04/26

Roundtrip

Business

from
$ 6,364
Viewed: 21 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.