Need help booking?
Unpublished phone-only deals available
HDM to SIN: distance & flight time
Hamadan (Hamadan Airport) → Singapore (Singapore Changi Airport)
4,242 mi
6,827 km · 3,686 nm
8h 47m
estimated nonstop flight time
+4.5h
time difference · heading east
See live HDM→SIN fares Phone-only fares on this route — call free
Flight time details
4,242 miles nonstop takes roughly 8h 47m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time gain when reading arrival times on your ticket.
The two airports
- HDM — Hamadan Airport · Hamadan, Iran
- SIN — Singapore Changi Airport · Singapore, Singapore
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 HDM
- KSH · Shahid Ashrafi Esfahani Airport87 mi away
- AJK · Arak Airport89 mi away
- SDG · Sanandaj Airport91 mi away
- KHD · Khoram Abad Airport100 mi away
Near SIN
- QPG · Paya Lebar Air Base6 mi away
- XSP · Seletar Airport10 mi away
- BTH · Hang Nadim International Airport18 mi away
- TGA · Tengah Air Base20 mi away
Frequently asked questions
How far is HDM from SIN?
The flight distance from Hamadan (HDM) to Singapore (SIN) is 4,242 miles (6,827 km, 3,686 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDM to SIN?
A nonstop flight takes about 8h 47m 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 Hamadan and Singapore?
Singapore is 4.5 hours ahead of Hamadan.
What is the cheapest way to fly from HDM to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDM–SIN that never appear on search engines, with no booking fees.