Portland (PDX) to Moscow (MOW): 5,324 miles (8,567 km) great-circle, about 11h 10m nonstop by our estimate. Cheapest fare observed: $1552 round-trip on KLM, with 2 stops, departing May 11, 2026.
$1552 round-trip, KLM KL616, departing 2026-05-11 at 13:05, returning 2026-05-24. The recorded itinerary left on a Monday, returning on a Sunday 13 nights later; the fare was observed 16 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1552, it ranked 29th of the 30 round-trip fares we recorded from PDX (median $378). That is 29.2 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: Seoul (5,275 mi) at $1288 and Almaty (6,174 mi) at $2047.
KLM had the cheapest fare on 2 of 30 PDX routes. It is the 6th longest of the 30 routes we track from PDX.
Of 130 departure airports with a fare to Moscow, Portland (PDX) ranked 105th at $1552. Lowest: $213 from Delhi (DEL); highest: $2476 from Havana (HAV); 3 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (11), Etihad (8), Qatar (6), Icelandair (5), Wizz Air (5) and Air China (4), plus 53 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Europe/Moscow; flight time is our estimate.