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IPT to KTM: distance & flight time
Williamsport (Williamsport Regional Airport) → Kathmandu (Tribhuvan International Airport)
7,540 mi
12,135 km · 6,552 nm
15h 15m
estimated nonstop flight time
+9.8h
time difference · heading north
See live IPT→KTM fares Phone-only fares on this route — call free
Flight time details
7,540 miles nonstop takes roughly 15h 15m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.8-hour time gain when reading arrival times on your ticket.
The two airports
- IPT — Williamsport Regional Airport · Williamsport, United States
- KTM — Tribhuvan International Airport · Kathmandu, 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 IPT
- LHV · William T. Piper Memorial Airport27 mi away
- HZL · Hazleton Municipal Airport51 mi away
- SCE · University Park Airport55 mi away
- WBW · Wilkes Barre Wyoming Valley Airport56 mi away
Near KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 mi away
Frequently asked questions
How far is IPT from KTM?
The flight distance from Williamsport (IPT) to Kathmandu (KTM) is 7,540 miles (12,135 km, 6,552 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IPT to KTM?
A nonstop flight takes about 15h 15m 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 Williamsport and Kathmandu?
Kathmandu is 9.8 hours ahead of Williamsport.
What is the cheapest way to fly from IPT to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IPT–KTM that never appear on search engines, with no booking fees.