Flights from Lisbon to Boston from € 582*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Lisbon (LIS) to Boston (BOS)

Mar 2026
From€ 610*
Viewed: 12 hours ago
RoundTrip|Economy
Apr 2026
From€ 582*
Viewed: 12 hours ago
RoundTrip|Economy
May 2026
From€ 582*
Viewed: 12 hours ago
RoundTrip|Economy
€ 582
€ 850
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    • Range€ 582-€ 850

    *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 Lisbon (LIS) to Boston (BOS) flights

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    More United deals on Lisbon (LIS) to Boston (BOS) flights
    From
    To
    Fare Type
    Dates
    Price
    Lisbon (LIS)Boston (BOS)Roundtrip
    |
    Economy    		16/05/2026 - 30/05/2026

    from

    € 582

    Viewed: 12 hours ago

    Lisbon (LIS)Boston (BOS)Roundtrip
    |
    Economy    		11/05/2026 - 18/05/2026

    from

    € 582

    Viewed: 12 hours ago

    Lisbon (LIS)Boston (BOS)Roundtrip
    |
    Economy    		01/05/2026 - 05/05/2026

    from

    € 582

    Viewed: 12 hours ago

    Lisbon (LIS)Boston (BOS)Roundtrip
    |
    Economy    		22/04/2026 - 29/04/2026

    from

    € 582

    Viewed: 12 hours ago

    Lisbon (LIS)Boston (BOS)Roundtrip
    |
    Economy    		28/04/2026 - 05/05/2026

    from

    € 582

    Viewed: 12 hours ago

    Lisbon (LIS)Boston (BOS)Roundtrip
    |
    Economy    		30/04/2026 - 04/05/2026

    from

    € 582

    Viewed: 12 hours ago

    Lisbon (LIS)Boston (BOS)Roundtrip
    |
    Economy    		22/04/2026 - 26/04/2026

    from

    € 582

    Viewed: 12 hours ago

    Lisbon (LIS)Boston (BOS)Roundtrip
    |
    Economy    		12/05/2026 - 26/05/2026

    from

    € 582

    Viewed: 12 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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