Flights to Willamette Valley from San José - ￥63,860

View ￥63,860 flight on Sun, Aug 31, 2025Opens in a new window

Popular airlines from San José to Willamette Valley

  • United

    United

  • American Airlines

    American Airlines

  • Aeromexico

    Aeromexico

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from San José to Willamette Valley (SJO-RDM)

Prices were available within the past 7 days and start at ￥63,860 for one-way flights and ￥65,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Sep 28 - Fri, Oct 3
SJO
San José
PDX
Portland
￥65,100 Roundtrip, found 2 hours ago
￥65,100
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Sep 28 from San José to Portland, returning Fri, Oct 3, priced at ￥65,100 found 2 hours ago
United
Sun, Sep 28 - Fri, Oct 3
SJO
San José
PDX
Portland
￥69,740 Roundtrip, found 2 hours ago
￥69,740
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Sep 28 from San José to Portland, returning Fri, Oct 3, priced at ￥69,740 found 2 hours ago
American Airlines
Sun, Sep 28 - Fri, Oct 3
SJO
San José
PDX
Portland
￥106,010 Roundtrip, found 2 hours ago
￥106,010
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sun, Sep 28 from San José to Portland, returning Fri, Oct 3, priced at ￥106,010 found 2 hours ago
avianca
Sun, Aug 31 - Sun, Sep 7
SJO
San José
EUG
Eugene
￥119,320 Roundtrip, found 3 days ago
￥119,320
Roundtrip
found 3 days ago
Select avianca flight, departing Sun, Aug 31 from San José to Eugene, returning Sun, Sep 7, priced at ￥119,320 found 3 days ago
Aeromexico
Sun, Sep 28 - Fri, Oct 3
SJO
San José
PDX
Portland
￥134,320 Roundtrip, found 2 hours ago
￥134,320
Roundtrip
found 2 hours ago
Select Aeromexico flight, departing Sun, Sep 28 from San José to Portland, returning Fri, Oct 3, priced at ￥134,320 found 2 hours ago
Delta
Sun, Aug 31 - Sun, Sep 7
SJO
San José
EUG
Eugene
￥148,070 Roundtrip, found 3 days ago
￥148,070
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Aug 31 from San José to Eugene, returning Sun, Sep 7, priced at ￥148,070 found 3 days ago

Find the cheapest month to fly from San José (SJO) to Portland (PDX)

September is typically the cheapest month to fly

From ￥42,588 - ￥122,165 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.