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GRF to IAH: distance & flight time
Fort Lewis (Gray Army Air Field) → Houston (George Bush Intercontinental Houston Airport)
1,871 mi
3,011 km · 1,626 nm
4h 8m
estimated nonstop flight time
+2h
time difference · heading southeast
See live GRF→IAH fares Phone-only fares on this route — call free
Flight time details
1,871 miles nonstop takes roughly 4h 8m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- GRF — Gray Army Air Field · Fort Lewis, 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 GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 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 GRF from IAH?
The flight distance from Fort Lewis (GRF) to Houston (IAH) is 1,871 miles (3,011 km, 1,626 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to IAH?
A nonstop flight takes about 4h 8m 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 Fort Lewis and Houston?
Houston is 2 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–IAH that never appear on search engines, with no booking fees.