Are there nonstop flights from Bangkok (BKK) to Cancún (CUN)?

No. The fastest connection is via Vancouver, about 20h 9m of total flying time.

What is the fastest connection from Bangkok (BKK) to Cancún (CUN)?

via Vancouver ≈ 20h 9m, via Los Angeles ≈ 20h 38m, via Stockholm ≈ 21h 7m (estimated flying time, excluding layovers).

from 40,000 ANA miles, from 50,000 JAL miles (economy, one way, based on the published award charts).

Suvarnabhumi Airport (BKK) to Cancún International Airport (CUN)・16,066 km

No nonstop flights. The fastest connection is via Vancouver (YVR), about 20h 9m of flying time (layover not included).

With milesANA 40,000 miles+ (via YVR)JAL 50,000 miles+ (via LGW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

14 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.