Flights from Portland, OR to San Juan from $ 496*

Promotion Code

Featured daily fares for flights from Portland, OR (PDX) to San Juan (SJU)

$ 496
$ 831
Displaying fares for April-2026
  • 16

    Th

    APR

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

  • 28

    Tu

  • 29

    We

  • 30

    Th

  • 01

    Fr

    MAY

  • 02

    Sa

  • 03

    Su

  • 04

    Mo

  • 05

    Tu

  • 06

    We

  • 07

    Th

  • 08

    Fr

  • 09

    Sa

  • 10

    Su

  • 11

    Mo

  • 12

    Tu

  • 13

    We

  • 14

    Th

  • 15

    Fr

  • Range$ 496-$ 831

    More United deals on Portland, OR (PDX) to San Juan (SJU) flights

    $
    keyboard_arrow_down
    More United deals on Portland, OR (PDX) to San Juan (SJU) flights
    From
    To
    Fare Type
    Dates
    Price
    Portland, OR (PDX)San Juan (SJU)Roundtrip
    |
    Economy
    08/15/26 - 08/22/26

    from

    $ 530

    Viewed: 1 day ago

    Portland, OR (PDX)San Juan (SJU)Roundtrip
    |
    Economy
    05/08/26 - 05/12/26

    from

    $ 496

    Viewed: 6 hours ago

    Portland, OR (PDX)San Juan (SJU)Roundtrip
    |
    Economy
    06/01/26 - 06/08/26

    from

    $ 530

    Viewed: 6 hours ago

    Portland, OR (PDX)San Juan (SJU)Roundtrip
    |
    Economy
    06/02/26 - 06/06/26

    from

    $ 530

    Viewed: 6 hours ago

    Portland, OR (PDX)San Juan (SJU)Roundtrip
    |
    Economy
    05/27/26 - 06/03/26

    from

    $ 530

    Viewed: 6 hours ago

    Portland, OR (PDX)San Juan (SJU)Roundtrip
    |
    Economy
    05/26/26 - 05/30/26

    from

    $ 530

    Viewed: 6 hours ago

    Portland, OR (PDX)San Juan (SJU)Roundtrip
    |
    Economy
    05/29/26 - 06/02/26

    from

    $ 530

    Viewed: 6 hours ago

    Portland, OR (PDX)San Juan (SJU)Roundtrip
    |
    Economy
    05/09/26 - 05/13/26

    from

    $ 530

    Viewed: 6 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.