Need help booking?

Unpublished phone-only deals available

KTM to IAH: distance & flight time

Kathmandu (Tribhuvan International Airport) → Houston (George Bush Intercontinental Houston Airport)

8,451 mi
13,601 km · 7,344 nm
17h 2m
estimated nonstop flight time
-10.7h
time difference · heading north
See live KTMIAH fares Phone-only fares on this route — call free

Flight time details

8,451 miles nonstop takes roughly 17h 2m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.7-hour time set-back when reading arrival times on your ticket.

The two airports

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.

Frequently asked questions

How far is KTM from IAH?

The flight distance from Kathmandu (KTM) to Houston (IAH) is 8,451 miles (13,601 km, 7,344 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from KTM to IAH?

A nonstop flight takes about 17h 2m 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 Kathmandu and Houston?

Houston is 10.7 hours behind Kathmandu.

What is the cheapest way to fly from KTM to IAH?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–IAH that never appear on search engines, with no booking fees.
Keep exploring:IAH to KTM Airports near KTM Airports near IAH Time difference KTMIAH Distance calculator