Need help booking?
Unpublished phone-only deals available
HEK to THR: distance & flight time
Heihe (Heihe Airport) → Teheran (Mehrabad International Airport)
3,799 mi
6,113 km · 3,301 nm
7h 55m
estimated nonstop flight time
-4.5h
time difference · heading west
See live HEK→THR fares Phone-only fares on this route — call free
Flight time details
3,799 miles nonstop takes roughly 7h 55m gate to gate, flying west. 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
- HEK — Heihe Airport · Heihe, China
- 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 HEK
- BQS · Ignatyevo Airport18 mi away
- DTU · Wudalianchi Dedu Airport131 mi away
- JGD · Jiagedaqi Airport142 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 HEK from THR?
The flight distance from Heihe (HEK) to Teheran (THR) is 3,799 miles (6,113 km, 3,301 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEK to THR?
A nonstop flight takes about 7h 55m 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 Heihe and Teheran?
Teheran is 4.5 hours behind Heihe.
What is the cheapest way to fly from HEK to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEK–THR that never appear on search engines, with no booking fees.