Flights from Singapore to Seattle from S $ 966*

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Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Singapore (SIN) to Seattle (SEA)

May 2026
FromS $ 1,253*
Viewed: 19 hours ago
RoundTrip|Economy
Jun 2026
FromS $ 966*
Viewed: 19 hours ago
RoundTrip|Economy
Jul 2026
FromS $ 1,388*
Viewed: 19 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label S $ 966
cmp-daily-histogram-bars-legend-max-price-aria-label S $ 2.5K
Displaying fares for May-2026
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    • RangeS $ 966-S $ 2,505

    *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 Singapore (SIN) to Seattle (SEA) flights

    S $
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    More United deals on Singapore (SIN) to Seattle (SEA) flights
    From
    To
    Fare Type
    Dates
    Price
    Singapore (SIN)Seattle (SEA)Roundtrip
    |
    Economy    		17/06/2026 - 01/07/2026

    from

    S $ 966

    Viewed: 19 hours ago

    Singapore (SIN)Seattle (SEA)Roundtrip
    |
    Economy    		24/06/2026 - 01/07/2026

    from

    S $ 1,159

    Viewed: 19 hours ago

    Singapore (SIN)Seattle (SEA)Roundtrip
    |
    Economy    		24/06/2026 - 08/07/2026

    from

    S $ 1,249

    Viewed: 19 hours ago

    Singapore (SIN)Seattle (SEA)Roundtrip
    |
    Economy    		27/05/2026 - 03/06/2026

    from

    S $ 1,253

    Viewed: 19 hours ago

    Singapore (SIN)Seattle (SEA)Roundtrip
    |
    Economy    		26/05/2026 - 02/06/2026

    from

    S $ 1,263

    Viewed: 19 hours ago

    Singapore (SIN)Seattle (SEA)Roundtrip
    |
    Economy    		16/06/2026 - 30/06/2026

    from

    S $ 1,296

    Viewed: 19 hours ago

    Singapore (SIN)Seattle (SEA)Roundtrip
    |
    Economy    		23/06/2026 - 30/06/2026

    from

    S $ 1,301

    Viewed: 19 hours ago

    Singapore (SIN)Seattle (SEA)Roundtrip
    |
    Economy    		24/05/2026 - 28/05/2026

    from

    S $ 1,318

    Viewed: 19 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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