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ISN to CXO: distance & flight time
Williston (Sloulin Field International Airport) → Conroe (Conroe-North Houston Regional Airport)
1,306 mi
2,102 km · 1,135 nm
3h 18m
estimated nonstop flight time
Same time
time difference · heading south
See live ISN→CXO fares Phone-only fares on this route — call free
Flight time details
1,306 miles nonstop takes roughly 3h 18m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- CXO — Conroe-North Houston Regional Airport · Conroe, United States
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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near CXO
- IAH · George Bush Intercontinental Houston Airport26 mi away
- DWH · David Wayne Hooks Memorial Airport22 mi away
- HTV · Huntsville Regional Airport29 mi away
- IWS · West Houston Airport40 mi away
Frequently asked questions
How far is ISN from CXO?
The flight distance from Williston (ISN) to Conroe (CXO) is 1,306 miles (2,102 km, 1,135 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to CXO?
A nonstop flight takes about 3h 18m 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 cheapest way to fly from ISN to CXO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–CXO that never appear on search engines, with no booking fees.