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XSP to THR: distance & flight time
Singapore (Seletar Airport) → Teheran (Mehrabad International Airport)
4,109 mi
6,612 km · 3,570 nm
8h 31m
estimated nonstop flight time
-4.5h
time difference · heading northwest
See live XSP→THR fares Phone-only fares on this route — call free
Flight time details
4,109 miles nonstop takes roughly 8h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time set-back when reading arrival times on your ticket.
The two airports
- XSP — Seletar Airport · Singapore, Singapore
- THR — Mehrabad International Airport · Teheran, Iran
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 XSP
- SIN · Singapore Changi Airport10 mi away
- QPG · Paya Lebar Air Base5 mi away
- TGA · Tengah Air Base11 mi away
- JHB · Senai International Airport21 mi away
Near THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Frequently asked questions
How far is XSP from THR?
The flight distance from Singapore (XSP) to Teheran (THR) is 4,109 miles (6,612 km, 3,570 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from XSP to THR?
A nonstop flight takes about 8h 31m 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 Singapore and Teheran?
Teheran is 4.5 hours behind Singapore.
What is the cheapest way to fly from XSP to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XSP–THR that never appear on search engines, with no booking fees.