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IKA to NST: distance & flight time
Tehran (Imam Khomeini International Airport) → Nakhon Si Thammarat (Nakhon Si Thammarat Airport)
3,586 mi
5,771 km · 3,116 nm
7h 30m
estimated nonstop flight time
+3.5h
time difference · heading east
See live IKA→NST fares Phone-only fares on this route — call free
Flight time details
3,586 miles nonstop takes roughly 7h 30m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- IKA — Imam Khomeini International Airport · Tehran, Iran
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, 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 IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 mi away
Near NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Frequently asked questions
How far is IKA from NST?
The flight distance from Tehran (IKA) to Nakhon Si Thammarat (NST) is 3,586 miles (5,771 km, 3,116 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKA to NST?
A nonstop flight takes about 7h 30m 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 Tehran and Nakhon Si Thammarat?
Nakhon Si Thammarat is 3.5 hours ahead of Tehran.
What is the cheapest way to fly from IKA to NST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKA–NST that never appear on search engines, with no booking fees.