San Jose (SJC) to Portland (PDX): 569 miles (916 km) great-circle, about 1h 40m nonstop by our estimate. Cheapest fare observed: $462 round-trip on Alaska Airlines, nonstop, departing May 2, 2026.
$462 round-trip, Alaska Airlines AS2274, departing 2026-05-02 at 09:38, returning 2026-05-05. The recorded itinerary left on a Saturday, returning on a Tuesday 3 nights later; the fare was observed 7 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $462, it ranked 20th of the 30 round-trip fares we recorded from SJC (median $415). That is 81.1 cents per great-circle mile (round-trip price over one-way distance), above the SJC median of 23.1 cents across 30 round-trip routes.
Routes from SJC of similar length: Salt Lake City (583 mi) at $568 and Phoenix (621 mi) at $409.
Alaska Airlines had the cheapest fare on 12 of 30 SJC routes. It is the 27th longest of the 30 routes we track from SJC.
Of 8 departure airports with a fare to Portland, San Jose (SJC) ranked 8th at $462. Lowest: $97 from Denver (DEN); highest: $462 from San Jose (SJC); 4 nonstop. Cheapest-fare airlines (routes): Alaska Airlines (2), American Airlines (2), Frontier (2) and Southwest (2).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/Los_Angeles; flight time is our estimate.