Los Angeles (LAX) to Bangkok (BKK): 8,259 miles (13,292 km) great-circle, about 17h 00m nonstop by our estimate. Cheapest fare observed: $1281 round-trip on WestJet, with 3 stops, departing June 17, 2026.
$1281 round-trip, WestJet WS1025, departing 2026-06-17 at 15:00, returning 2026-07-07. The recorded itinerary left on a Wednesday, returning on a Tuesday 20 nights later; the fare was observed 53 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1281, it ranked 26th of the 30 round-trip fares we recorded from LAX (median $302). That is 15.5 cents per great-circle mile (round-trip price over one-way distance), close to the LAX median of 15.3 cents across 30 round-trip routes.
Routes from LAX of similar length: Phnom Penh (8,208 mi) at $1254 and Ho Chi Minh City (8,159 mi) at $1326.
WestJet had the cheapest fare on 3 of 30 LAX routes. It is the longest of the 30 routes we track from LAX.
Of 59 departure airports with a fare to Bangkok, Los Angeles (LAX) ranked 57th at $1281. Lowest: $73 from Phuket (HKT); highest: $1428 from Mexico City (MEX); 14 nonstop. Cheapest-fare airlines (routes): Air India (5), Etihad (5), Thai Vietjet Air (4), Air China (3), Scoot (3) and Thai AirAsia (3), plus 31 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Asia/Bangkok; flight time is our estimate.