Flights from London to the United States from $ 477*

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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

    Denver (DEN)
    01/20/26 - 11/10/26
    from
    $ 775
    Viewed: 2 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Washington, D.C. (IAD)
    01/11/26 - 03/15/26
    from
    $ 595
    Viewed: 2 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Houston (IAH)
    09/24/26 - 10/08/26
    from
    $ 850
    Viewed: 54 minutes ago
    Roundtrip
    Economy

    London (LHR)to

    Boston (BOS)
    01/28/26 - 02/01/26
    from
    $ 477
    Viewed: 1 day ago
    Roundtrip
    Economy

  • London (LHR)to

    Las Vegas (LAS)
    11/04/26 - 11/13/26
    from
    $ 593
    Viewed: 29 minutes ago
    Roundtrip
    Economy

    London (LHR)to

    Miami (MIA)
    04/29/26 - 05/10/26
    from
    $ 710
    Viewed: 6 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Fort Lauderdale (FLL)
    04/29/26 - 05/10/26
    from
    $ 735
    Viewed: 6 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Maui (OGG)
    10/06/26 - 10/27/26
    from
    $ 1,556
    Viewed: 1 day ago
    Roundtrip
    Economy

  • London (LHR)to

    Honolulu (HNL)
    02/20/26 - 02/22/26
    from
    $ 1,510
    Viewed: 1 day ago
    Roundtrip
    Economy

    London (LHR)to

    New Orleans (MSY)
    01/28/26 - 02/01/26
    from
    $ 721
    Viewed: 1 day ago
    Roundtrip
    Economy

    London (LHR)to

    Dayton (DAY)
    01/05/26 - 01/08/26
    from
    $ 2,092
    Viewed: 15 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Charleston (CRW)
    01/09/26 - 01/09/26
    from
    $ 4,489
    Viewed: 4 hours ago
    Roundtrip
    Economy

  • London (LHR)to

    Jacksonville (JAX)
    10/08/26 - 10/22/26
    from
    $ 597
    Viewed: 11 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)
01/17/26 - 01/20/26

Roundtrip

Business

from
$ 4,211
Viewed: 1 day ago

London (LHR)to

San Francisco (SFO)
05/20/26 - 05/30/26

Roundtrip

Business

from
$ 5,250
Viewed: 1 hour ago

London (LHR)to

Los Angeles (LAX)
02/16/26 - 02/26/26

Roundtrip

Business

from
$ 6,551
Viewed: 8 hours ago

London (LHR)to

Chicago (ORD)
03/25/26 - 03/29/26

Roundtrip

Business

from
$ 3,046
Viewed: 17 hours ago

London (LHR)to

Denver (DEN)
01/20/26 - 11/10/26

Roundtrip

Business

from
$ 6,997
Viewed: 2 hours ago

London (LHR)to

Houston (IAH)
03/29/26 - 04/05/26

Roundtrip

Business

from
$ 3,723
Viewed: 19 hours ago

London (LHR)to

Washington, D.C. (IAD)
01/11/26 - 03/15/26

Roundtrip

Business

from
$ 5,548
Viewed: 2 hours ago

London (LHR)to

Boston (BOS)
01/28/26 - 02/01/26

Roundtrip

Business

from
$ 5,647
Viewed: 1 day 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.