Flights from London to San Diego from £ 722*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from London (LHR) to San Diego (SAN)

May 2026
From£ 1,253*
Viewed: 3 hours ago
RoundTrip|Economy
Jun 2026
From£ 722*
Viewed: 3 hours ago
RoundTrip|Economy
Jul 2026
From£ 726*
Viewed: 3 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label £ 722
cmp-daily-histogram-bars-legend-max-price-aria-label £ 1.4K
Displaying fares for May-2026
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    • Range£ 722-£ 1,433

    *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.

    More United deals on London (LHR) to San Diego (SAN) flights

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    More United deals on London (LHR) to San Diego (SAN) flights
    From
    To
    Fare Type
    Dates
    Price
    London (LHR)San Diego (SAN)Roundtrip
    |
    Economy    		23/06/2026 - 30/06/2026

    from

    £ 722

    Viewed: 3 hours ago

    London (LHR)San Diego (SAN)Roundtrip
    |
    Economy    		23/06/2026 - 07/07/2026

    from

    £ 722

    Viewed: 3 hours ago

    London (LHR)San Diego (SAN)Roundtrip
    |
    Economy    		08/07/2026 - 12/07/2026

    from

    £ 726

    Viewed: 3 hours ago

    London (LHR)San Diego (SAN)Roundtrip
    |
    Economy    		01/07/2026 - 15/07/2026

    from

    £ 726

    Viewed: 3 hours ago

    London (LHR)San Diego (SAN)Roundtrip
    |
    Economy    		08/07/2026 - 22/07/2026

    from

    £ 726

    Viewed: 3 hours ago

    London (LHR)San Diego (SAN)Roundtrip
    |
    Economy    		13/07/2026 - 27/07/2026

    from

    £ 726

    Viewed: 3 hours ago

    London (LHR)San Diego (SAN)Roundtrip
    |
    Economy    		22/06/2026 - 29/06/2026

    from

    £ 726

    Viewed: 3 hours ago

    London (LHR)San Diego (SAN)Roundtrip
    |
    Economy    		01/07/2026 - 08/07/2026

    from

    £ 726

    Viewed: 3 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.

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