Flights from San Juan to Buffalo from $ 338*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from San Juan (SJU) to Buffalo (BUF)

May 2026
From$ 425*
Viewed: 17 minutes ago
RoundTrip|Economy
Jun 2026
From$ 348*
Viewed: 17 minutes ago
RoundTrip|Economy
Jul 2026
From$ 338*
Viewed: 17 minutes ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 348
cmp-daily-histogram-bars-legend-max-price-aria-label $ 716
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    • Range$ 348-$ 716

    *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 San Juan (SJU) to Buffalo (BUF) flights

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    More United deals on San Juan (SJU) to Buffalo (BUF) flights
    From
    To
    Fare Type
    Dates
    Price
    San Juan (SJU)Buffalo (BUF)Roundtrip
    |
    Economy    		07/28/2026 - 08/04/2026

    from

    $ 338

    Viewed: 17 minutes ago

    San Juan (SJU)Buffalo (BUF)Roundtrip
    |
    Economy    		07/04/2026 - 07/08/2026

    from

    $ 341

    Viewed: 17 minutes ago

    San Juan (SJU)Buffalo (BUF)Roundtrip
    |
    Economy    		06/04/2026 - 06/08/2026

    from

    $ 348

    Viewed: 17 minutes ago

    San Juan (SJU)Buffalo (BUF)Roundtrip
    |
    Economy    		08/11/2026 - 08/25/2026

    from

    $ 354

    Viewed: 17 minutes ago

    San Juan (SJU)Buffalo (BUF)Roundtrip
    |
    Economy    		08/11/2026 - 08/15/2026

    from

    $ 354

    Viewed: 17 minutes ago

    San Juan (SJU)Buffalo (BUF)Roundtrip
    |
    Economy    		08/11/2026 - 08/18/2026

    from

    $ 354

    Viewed: 17 minutes ago

    San Juan (SJU)Buffalo (BUF)Roundtrip
    |
    Economy    		08/06/2026 - 08/20/2026

    from

    $ 356

    Viewed: 17 minutes ago

    San Juan (SJU)Buffalo (BUF)Roundtrip
    |
    Economy    		07/28/2026 - 08/11/2026

    from

    $ 374

    Viewed: 17 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.

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