Portland (PDX) to Hong Kong (HKG): 6,559 miles (10,556 km) great-circle, about 13h 35m nonstop by our estimate. Cheapest fare observed: $1521 round-trip on Alaska Airlines, with 2 stops, departing June 17, 2026.
$1521 round-trip, Alaska Airlines AS2431, departing 2026-06-17 at 05:00, returning 2026-06-24. The recorded itinerary left on a Wednesday, returning on a Wednesday 7 nights later; the fare was observed 53 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1521, it ranked 28th of the 30 round-trip fares we recorded from PDX (median $378). That is 23.2 cents per great-circle mile (round-trip price over one-way distance), close to the PDX median of 21.2 cents across 30 round-trip routes.
Routes from PDX of similar length: Istanbul (6,180 mi) at $1061 and Almaty (6,174 mi) at $2047.
Alaska Airlines had the cheapest fare on 13 of 30 PDX routes. It is the 3rd longest of the 30 routes we track from PDX.
Of 24 departure airports with a fare to Hong Kong, Portland (PDX) ranked 23rd at $1521. Lowest: $171 from Shanghai (PVG); highest: $1773 from Orlando (MCO); 13 nonstop. Cheapest-fare airlines (routes): HK Express (7), Cathay Pacific (2), Shandong Airlines (2), United Airlines (2), Alaska Airlines (1) and Emirates (1), plus 9 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Asia/Hong_Kong; flight time is our estimate.