Are there nonstop flights from Bangkok (BKK) to San José (SJO)?

No. The fastest connection is via Los Angeles, about 21h 47m of total flying time.

What is the fastest connection from Bangkok (BKK) to San José (SJO)?

via Los Angeles ≈ 21h 47m, via Amsterdam ≈ 22h 30m, via London ≈ 22h 31m (estimated flying time, excluding layovers).

from 50,000 JAL miles, from 67,500 ANA miles (economy, one way, based on the published award charts).

Suvarnabhumi Airport (BKK) to Juan Santamaría International Airport (SJO)・17,326 km

No nonstop flights. The fastest connection is via Los Angeles (LAX), about 21h 47m of flying time (layover not included).

With milesJAL 50,000 miles+ (via CDG)ANA 67,500 miles+ (via LAX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.