Portland (PDX) to Los Angeles (LAX): 835 miles (1,343 km) great-circle, about 2h 10m nonstop by our estimate. Cheapest fare observed: $233 round-trip on Frontier, with 1 stop, departing July 24, 2026.
$233 round-trip, Frontier F91106, departing 2026-07-24 at 18:19, returning 2026-07-27. The recorded itinerary left on a Friday, returning on a Monday 3 nights later; the fare was observed 90 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $233, it ranked 6th of the 30 round-trip fares we recorded from PDX (median $378). That is 27.9 cents per great-circle mile (round-trip price over one-way distance), above the PDX median of 21.2 cents across 30 round-trip routes.
Routes from PDX of similar length: Las Vegas (763 mi) at $256 and San Diego (934 mi) at $326.
Frontier had the cheapest fare on 7 of 30 PDX routes. It is the 26th longest of the 30 routes we track from PDX.
Of 40 departure airports with a fare to Los Angeles, Portland (PDX) ranked 16th at $233. Lowest: $77 from Seattle (SEA); highest: $1224 from Sapporo (CTS); 11 nonstop. Cheapest-fare airlines (routes): Frontier (18), Spirit (5), Southwest (3), EVA Air (2), Fiji Airways (2) and WestJet (2), plus 8 more.
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.