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IAH to CMB: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Colombo (Bandaranaike International Colombo Airport)
9,849 mi
15,851 km · 8,559 nm
19h 47m
estimated nonstop flight time
+10.5h
time difference · heading north
See live IAH→CMB fares Phone-only fares on this route — call free
Flight time details
9,849 miles nonstop takes roughly 19h 47m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- CMB — Bandaranaike International Colombo Airport · Colombo, Sri Lanka
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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near CMB
- RML · Colombo Ratmalana Airport25 mi away
- GIU · Sigiriya Air Force Base79 mi away
- ACJ · Anuradhapura Air Force Base86 mi away
- KCT · Koggala Airport87 mi away
Frequently asked questions
How far is IAH from CMB?
The flight distance from Houston (IAH) to Colombo (CMB) is 9,849 miles (15,851 km, 8,559 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to CMB?
A nonstop flight takes about 19h 47m 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 Houston and Colombo?
Colombo is 10.5 hours ahead of Houston.
What is the cheapest way to fly from IAH to CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–CMB that never appear on search engines, with no booking fees.