Are there nonstop flights from Bangkok (DMK) to Haikou (HAK)?

No. The fastest connection is via Vientiane, about 2h 36m of total flying time.

What is the fastest connection from Bangkok (DMK) to Haikou (HAK)?

via Vientiane ≈ 2h 36m, via Hanoi ≈ 2h 45m, via Luang Phabang ≈ 2h 49m (estimated flying time, excluding layovers).

Don Mueang International Airport (DMK) to Haikou Meilan International Airport (HAK)・1,243 km

No nonstop flights. The fastest connection is via Vientiane (VTE), about 2h 36m of flying time (layover not included).

None.

11 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.