Flights from Porto to Sun Valley from € 948*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Porto (OPO) to Sun Valley (SUN)

Apr 2026
From€ 1.012*
Viewed: 7 hours ago
RoundTrip|Economy
May 2026
From€ 948*
Viewed: 7 hours ago
RoundTrip|Economy
Jun 2026
From€ 951*
Viewed: 7 hours ago
RoundTrip|Economy
€ 948
€ 1.3K
Displaying fares for April-2026
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    • Range€ 948-€ 1.325

    *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 Porto (OPO) to Sun Valley (SUN) flights

    €
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    More United deals on Porto (OPO) to Sun Valley (SUN) flights
    From
    To
    Fare Type
    Dates
    Price
    Porto (OPO)Sun Valley (SUN)Roundtrip
    |
    Economy    		28/05/2026 - 01/06/2026

    from

    € 948

    Viewed: 7 hours ago

    Porto (OPO)Sun Valley (SUN)Roundtrip
    |
    Economy    		28/05/2026 - 04/06/2026

    from

    € 948

    Viewed: 7 hours ago

    Porto (OPO)Sun Valley (SUN)Roundtrip
    |
    Economy    		21/05/2026 - 04/06/2026

    from

    € 948

    Viewed: 7 hours ago

    Porto (OPO)Sun Valley (SUN)Roundtrip
    |
    Economy    		20/05/2026 - 03/06/2026

    from

    € 951

    Viewed: 7 hours ago

    Porto (OPO)Sun Valley (SUN)Roundtrip
    |
    Economy    		03/06/2026 - 17/06/2026

    from

    € 951

    Viewed: 7 hours ago

    Porto (OPO)Sun Valley (SUN)Roundtrip
    |
    Economy    		24/05/2026 - 31/05/2026

    from

    € 963

    Viewed: 7 hours ago

    Porto (OPO)Sun Valley (SUN)Roundtrip
    |
    Economy    		22/05/2026 - 29/05/2026

    from

    € 963

    Viewed: 7 hours ago

    Porto (OPO)Sun Valley (SUN)Roundtrip
    |
    Economy    		22/05/2026 - 05/06/2026

    from

    € 966

    Viewed: 7 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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