Flights from London to the United States from $ 473*

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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: 13 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Washington, D.C. (IAD)
    01/11/26 - 03/15/26
    from
    $ 595
    Viewed: 14 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Houston (IAH)
    09/24/26 - 10/08/26
    from
    $ 850
    Viewed: 12 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Orlando (MCO)
    03/03/26 - 03/14/26
    from
    $ 567
    Viewed: 54 minutes ago
    Roundtrip
    Economy

  • London (LHR)to

    Boston (BOS)
    06/15/26 - 06/22/26
    from
    $ 748
    Viewed: 10 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Dallas (DFW)
    05/19/26 - 05/29/26
    from
    $ 1,067
    Viewed: 1 hour ago
    Roundtrip
    Economy

    London (LHR)to

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

    London (LHR)to

    Miami (MIA)
    01/30/26 - 02/07/26
    from
    $ 539
    Viewed: 9 hours ago
    Roundtrip
    Economy

  • London (LHR)to

    Fort Lauderdale (FLL)
    04/29/26 - 05/10/26
    from
    $ 735
    Viewed: 17 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Charleston (CRW)
    01/09/26 - 01/09/26
    from
    $ 4,489
    Viewed: 16 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Jacksonville (JAX)
    10/08/26 - 10/22/26
    from
    $ 597
    Viewed: 22 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)
05/28/26 - 06/03/26

Roundtrip

Business

from
$ 2,666
Viewed: 7 hours ago

London (LHR)to

San Francisco (SFO)
05/28/26 - 06/08/26

Roundtrip

Business

from
$ 5,082
Viewed: 9 hours ago

London (LHR)to

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

Roundtrip

Business

from
$ 6,551
Viewed: 19 hours ago

London (LHR)to

Chicago (ORD)
05/25/26 - 06/02/26

Roundtrip

Business

from
$ 4,776
Viewed: 18 hours ago

London (LHR)to

Denver (DEN)
03/27/26 - 04/11/26

Roundtrip

Business

from
$ 6,807
Viewed: 3 hours ago

London (LHR)to

Washington, D.C. (IAD)
06/03/26 - 07/15/26

Roundtrip

Business

from
$ 3,413
Viewed: 1 hour ago

London (LHR)to

Houston (IAH)
09/24/26 - 10/08/26

Roundtrip

Business

from
$ 5,553
Viewed: 12 hours ago

London (LHR)to

Orlando (MCO)
03/03/26 - 03/14/26

Roundtrip

Business

from
$ 4,627
Viewed: 54 minutes 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.