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ONO to KTM: distance & flight time
Ontario (Ontario Municipal Airport) → Kathmandu (Tribhuvan International Airport)
7,283 mi
11,721 km · 6,329 nm
14h 45m
estimated nonstop flight time
+11.8h
time difference · heading north
See live ONO→KTM fares Phone-only fares on this route — call free
Flight time details
7,283 miles nonstop takes roughly 14h 45m 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
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 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 ONO from KTM?
The flight distance from Ontario (ONO) to Kathmandu (KTM) is 7,283 miles (11,721 km, 6,329 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to KTM?
A nonstop flight takes about 14h 45m 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 Ontario and Kathmandu?
Kathmandu is 11.8 hours ahead of Ontario.
What is the cheapest way to fly from ONO to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–KTM that never appear on search engines, with no booking fees.