Flights from London to San Juan from £ 969*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from London (LHR) to San Juan (SJU)

Mar 2026
From£ 1,360*
Viewed: 1 hour ago
RoundTrip|Economy
Apr 2026
From£ 969*
Viewed: 1 hour ago
RoundTrip|Economy
May 2026
From£ 969*
Viewed: 1 hour ago
RoundTrip|Economy
£ 969
£ 1.8K
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    • Range£ 969-£ 1,752

    *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 Juan (SJU) flights

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    More United deals on London (LHR) to San Juan (SJU) flights
    From
    To
    Fare Type
    Dates
    Price
    London (LHR)San Juan (SJU)Roundtrip
    |
    Economy    		05/05/2026 - 19/05/2026

    from

    £ 969

    Viewed: 1 hour ago

    London (LHR)San Juan (SJU)Roundtrip
    |
    Economy    		11/05/2026 - 18/05/2026

    from

    £ 969

    Viewed: 1 hour ago

    London (LHR)San Juan (SJU)Roundtrip
    |
    Economy    		12/05/2026 - 19/05/2026

    from

    £ 969

    Viewed: 1 hour ago

    London (LHR)San Juan (SJU)Roundtrip
    |
    Economy    		27/04/2026 - 11/05/2026

    from

    £ 969

    Viewed: 1 hour ago

    London (LHR)San Juan (SJU)Roundtrip
    |
    Economy    		28/04/2026 - 05/05/2026

    from

    £ 969

    Viewed: 1 hour ago

    London (LHR)San Juan (SJU)Roundtrip
    |
    Economy    		22/04/2026 - 06/05/2026

    from

    £ 969

    Viewed: 1 hour ago

    London (LHR)San Juan (SJU)Roundtrip
    |
    Economy    		22/04/2026 - 29/04/2026

    from

    £ 969

    Viewed: 1 hour ago

    London (LHR)San Juan (SJU)Roundtrip
    |
    Economy    		28/04/2026 - 12/05/2026

    from

    £ 969

    Viewed: 1 hour 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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