Need help booking?
Unpublished phone-only deals available
THR to KEP: distance & flight time
Teheran (Mehrabad International Airport) → Nepalgunj (Nepalgunj Airport)
1,848 mi
2,974 km · 1,606 nm
4h 5m
estimated nonstop flight time
+2.3h
time difference · heading east
See live THR→KEP fares Phone-only fares on this route — call free
Flight time details
1,848 miles nonstop takes roughly 4h 5m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.3-hour time gain when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- KEP — Nepalgunj Airport · Nepalgunj, Nepal
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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Near KEP
- SKH · Surkhet Airport33 mi away
- DNP · Tulsipur Airport38 mi away
- RUK · Rukum Chaurjahari Airport48 mi away
- DHI · Dhangarhi Airport80 mi away
Frequently asked questions
How far is THR from KEP?
The flight distance from Teheran (THR) to Nepalgunj (KEP) is 1,848 miles (2,974 km, 1,606 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to KEP?
A nonstop flight takes about 4h 5m 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 Teheran and Nepalgunj?
Nepalgunj is 2.3 hours ahead of Teheran.
What is the cheapest way to fly from THR to KEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–KEP that never appear on search engines, with no booking fees.