Flights from Lisbon to San Francisco from $ 831*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Lisbon (LIS) to San Francisco (SFO)

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No result for this month
Apr 2026
From$ 922*
Viewed: 23 hours ago
RoundTrip|Economy
May 2026
No result for this month
$ 922
Displaying fares for March-2026
  • 26

    Th

    MAR

  • 27

    Fr

  • 28

    Sa

  • 29

    Su

  • 30

    Mo

  • 31

    Tu

  • 01

    We

    APR

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • 15

    We

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

    • Range$ 922

    *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 San Francisco (SFO) flights

    $
    keyboard_arrow_down
    More United deals on Lisbon (LIS) to San Francisco (SFO) flights
    From
    To
    Fare Type
    Dates
    Price
    Lisbon (LIS)San Francisco (SFO)Roundtrip
    |
    Economy    		02/07/27 - 02/21/27

    from

    $ 831

    Viewed: 1 day ago

    Lisbon (LIS)San Francisco (SFO)Roundtrip
    |
    Economy    		10/20/26 - 10/24/26

    from

    $ 921

    Viewed: 23 hours ago

    Lisbon (LIS)San Francisco (SFO)Roundtrip
    |
    Economy    		04/05/26 - 04/19/26

    from

    $ 922

    Viewed: 23 hours ago

    Lisbon (LIS)San Francisco (SFO)Roundtrip
    |
    Economy    		02/07/27 - 02/21/27

    from

    $ 1,058

    Viewed: 1 day ago

    Lisbon (LIS)San Francisco (SFO)Roundtrip
    |
    Economy    		10/20/26 - 10/24/26

    from

    $ 1,116

    Viewed: 23 hours ago

    Lisbon (LIS)San Francisco (SFO)Roundtrip
    |
    Economy    		06/17/26 - 07/01/26

    from

    $ 1,194

    Viewed: 19 hours ago

    Lisbon (LIS)San Francisco (SFO)Roundtrip
    |
    Economy    		10/20/26 - 10/24/26

    from

    $ 1,495

    Viewed: 23 hours ago

    Lisbon (LIS)San Francisco (SFO)Roundtrip
    |
    Economy    		04/05/26 - 04/19/26

    from

    $ 1,586

    Viewed: 23 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.

    Explore United Airlines's Top-Pick Destinations

    Explore more United flights