Mexico City (MEX) to Bangkok (BKK): 9,781 miles (15,741 km) great-circle, about 20h 05m nonstop by our estimate. Cheapest fare observed: $1428 round-trip on Volaris, with 3 stops, departing May 17, 2026.
$1428 round-trip, Volaris Y4152, departing 2026-05-17 at 10:00, returning 2026-05-31. The recorded itinerary left on a Sunday, returning on a Sunday 14 nights later; the fare was observed 22 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1428, it ranked 28th of the 30 round-trip fares we recorded from MEX (median $329). That is 14.6 cents per great-circle mile (round-trip price over one-way distance), below the MEX median of 18.3 cents across 30 round-trip routes.
Routes from MEX of similar length: Guangzhou (8,761 mi) at $1289 and Tbilisi (7,629 mi) at $1379.
Volaris had the cheapest fare on 5 of 30 MEX routes. It is the longest of the 30 routes we track from MEX.
Of 59 departure airports with a fare to Bangkok, Mexico City (MEX) ranked 59th at $1428. 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/Mexico_City, Asia/Bangkok; flight time is our estimate.