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HDN to KTM: distance & flight time
Hayden (Yampa Valley Airport) → Kathmandu (Tribhuvan International Airport)
7,657 mi
12,324 km · 6,654 nm
15h 29m
estimated nonstop flight time
+11.8h
time difference · heading north
See live HDN→KTM fares Phone-only fares on this route — call free
Flight time details
7,657 miles nonstop takes roughly 15h 29m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.8-hour time gain when reading arrival times on your ticket.
The two airports
- HDN — Yampa Valley Airport · Hayden, 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 HDN
- SBS · Steamboat Springs Bob Adams Field19 mi away
- EGE · Eagle County Regional Airport60 mi away
- SAA · Shively Field70 mi away
- RIL · Garfield County Regional Airport71 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 HDN from KTM?
The flight distance from Hayden (HDN) to Kathmandu (KTM) is 7,657 miles (12,324 km, 6,654 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDN to KTM?
A nonstop flight takes about 15h 29m 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 Hayden and Kathmandu?
Kathmandu is 11.8 hours ahead of Hayden.
What is the cheapest way to fly from HDN to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDN–KTM that never appear on search engines, with no booking fees.