Portland (PDX) to Honolulu (HNL): 2,603 miles (4,188 km) great-circle, about 5h 40m nonstop by our estimate. Cheapest fare observed: $436 round-trip on Alaska Airlines, nonstop, departing May 26, 2026.
$436 round-trip, Alaska Airlines AS907, departing 2026-05-26 at 08:00, returning 2026-06-02. The recorded itinerary left on a Tuesday, returning on a Tuesday 7 nights later; the fare was observed 31 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $436, it ranked 17th of the 30 round-trip fares we recorded from PDX (median $378). That is 16.8 cents per great-circle mile (round-trip price over one-way distance), below the PDX median of 21.2 cents across 30 round-trip routes.
Routes from PDX of similar length: Cancun (2,634 mi) at $500 and Maui (2,562 mi) at $471.
Alaska Airlines had the cheapest fare on 13 of 30 PDX routes. It is the 9th longest of the 30 routes we track from PDX.
Of 15 departure airports with a fare to Honolulu, Portland (PDX) ranked 4th at $436. Lowest: $295 from San Francisco (SFO); highest: $1046 from Wellington (WLG); 3 nonstop. Cheapest-fare airlines (routes): Alaska Airlines (9), American Airlines (2), Frontier (1), Qantas (1), Southwest (1) and United Airlines (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Pacific/Honolulu; flight time is our estimate.