Flights from Barcelona to Saint Louis from 773€ *

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Barcelona (BCN) to Saint Louis (STL)

Mar 2026
From1.028€ *
Viewed: 8 hours ago
RoundTrip|Economy
Apr 2026
From773€ *
Viewed: 8 hours ago
RoundTrip|Economy
May 2026
From773€ *
Viewed: 8 hours ago
RoundTrip|Economy
773€
1.3K€
Displaying fares for March-2026
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    • Range773€ -1.287€

    *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 Barcelona (BCN) to Saint Louis (STL) flights

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    More United deals on Barcelona (BCN) to Saint Louis (STL) flights
    From
    To
    Fare Type
    Dates
    Price
    Barcelona (BCN)Saint Louis (STL)Roundtrip
    |
    Economy    		06/05/2026 - 10/05/2026

    from

    773€ 

    Viewed: 8 hours ago

    Barcelona (BCN)Saint Louis (STL)Roundtrip
    |
    Economy    		29/04/2026 - 06/05/2026

    from

    773€ 

    Viewed: 8 hours ago

    Barcelona (BCN)Saint Louis (STL)Roundtrip
    |
    Economy    		08/04/2026 - 15/04/2026

    from

    773€ 

    Viewed: 8 hours ago

    Barcelona (BCN)Saint Louis (STL)Roundtrip
    |
    Economy    		17/04/2026 - 24/04/2026

    from

    773€ 

    Viewed: 8 hours ago

    Barcelona (BCN)Saint Louis (STL)Roundtrip
    |
    Economy    		22/04/2026 - 06/05/2026

    from

    773€ 

    Viewed: 8 hours ago

    Barcelona (BCN)Saint Louis (STL)Roundtrip
    |
    Economy    		10/04/2026 - 14/04/2026

    from

    773€ 

    Viewed: 8 hours ago

    Barcelona (BCN)Saint Louis (STL)Roundtrip
    |
    Economy    		22/04/2026 - 26/04/2026

    from

    773€ 

    Viewed: 8 hours ago

    Barcelona (BCN)Saint Louis (STL)Roundtrip
    |
    Economy    		10/06/2026 - 14/06/2026

    from

    773€ 

    Viewed: 8 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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