Are there nonstop flights from Bangkok (BKK) to Athens (ATH)?

No. The fastest connection is via New Delhi, about 10h 20m of total flying time.

What is the fastest connection from Bangkok (BKK) to Athens (ATH)?

via New Delhi ≈ 10h 20m, via Istanbul ≈ 10h 29m, via Tel Aviv ≈ 10h 34m (estimated flying time, excluding layovers).

from 29,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Suvarnabhumi Airport (BKK) to Athens Eleftherios Venizelos International Airport (ATH)・7,930 km

No nonstop flights. The fastest connection is via New Delhi (DEL), about 10h 20m of flying time (layover not included).

With milesANA 29,500 miles+ (via IST)JAL 37,000 miles+ (via AMM)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

36 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.