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ASH to IAH: distance & flight time
Nashua (Boire Field) → Houston (George Bush Intercontinental Houston Airport)
1,584 mi
2,550 km · 1,377 nm
3h 34m
estimated nonstop flight time
-1h
time difference · heading southwest
See live ASH→IAH fares Phone-only fares on this route — call free
Flight time details
1,584 miles nonstop takes roughly 3h 34m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ASH — Boire Field · Nashua, 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 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 ASH from IAH?
The flight distance from Nashua (ASH) to Houston (IAH) is 1,584 miles (2,550 km, 1,377 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to IAH?
A nonstop flight takes about 3h 34m 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 Nashua and Houston?
Houston is 1 hour behind Nashua.
What is the cheapest way to fly from ASH to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–IAH that never appear on search engines, with no booking fees.