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DEL to USM: distance & flight time
Delhi (Indira Gandhi International Airport) → Ko Samui (Samui Airport)
1,986 mi
3,196 km · 1,726 nm
4h 22m
estimated nonstop flight time
+1.5h
time difference · heading southeast
See live DEL→USM fares Phone-only fares on this route — call free
Flight time details
1,986 miles nonstop takes roughly 4h 22m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- DEL — Indira Gandhi International Airport · Delhi, India
- USM — Samui Airport · Ko Samui, Thailand
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near DEL
- HSS · Hissar Airport92 mi away
- AGR · Agra Airport111 mi away
- DED · Dehradun Airport130 mi away
- BEK · Bareilly Air Force Station143 mi away
Near USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Frequently asked questions
How far is DEL from USM?
The flight distance from Delhi (DEL) to Ko Samui (USM) is 1,986 miles (3,196 km, 1,726 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEL to USM?
A nonstop flight takes about 4h 22m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Delhi and Ko Samui?
Ko Samui is 1.5 hours ahead of Delhi.
What is the cheapest way to fly from DEL to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEL–USM that never appear on search engines, with no booking fees.