Need help booking?
Unpublished phone-only deals available
MSO to IAH: distance & flight time
Missoula (Missoula International Airport) → Houston (George Bush Intercontinental Houston Airport)
1,540 mi
2,479 km · 1,338 nm
3h 29m
estimated nonstop flight time
+1h
time difference · heading southeast
See live MSO→IAH fares Phone-only fares on this route — call free
Flight time details
1,540 miles nonstop takes roughly 3h 29m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- MSO — Missoula International Airport · Missoula, United States
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 mi away
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
Frequently asked questions
How far is MSO from IAH?
The flight distance from Missoula (MSO) to Houston (IAH) is 1,540 miles (2,479 km, 1,338 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to IAH?
A nonstop flight takes about 3h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from MSO to IAH?
Nonstop service on MSO–IAH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 29m nonstop estimate.
What is the time difference between Missoula and Houston?
Houston is 1 hour ahead of Missoula.
What is the cheapest way to fly from MSO to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–IAH that never appear on search engines, with no booking fees.
Why are some MSO to IAH fares phone-only?
Consolidator contracts let us sell certain MSO–IAH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.