Are there nonstop flights from New Delhi (DEL) to Athens (ATH)?

Yes. IndiGo fly this route. Flight time is about 6h 22m.

What is the fastest connection from New Delhi (DEL) to Athens (ATH)?

via Baku ≈ 6h 56m, via Baghdad ≈ 6h 57m, via Istanbul ≈ 7h 1m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 29,500 ANA miles (economy, one way, based on the published award charts).

Indira Gandhi International Airport (DEL) to Athens Eleftherios Venizelos International Airport (ATH)・4,984 km

Nonstop flights available (1 airline). Flight time about 6h 22m. Nonstop return flights also operate.

With milesJAL 23,000 miles+ (via AMM)ANA 29,500 miles+ (via IST)Economy, one way, estimate. Tap a connection for miles by cabin.

28 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.