Need help booking?
Unpublished phone-only deals available
GRF to IRB: distance & flight time
Fort Lewis (Gray Army Air Field) → Iraan (Iraan Municipal Airport)
1,566 mi
2,521 km · 1,361 nm
3h 32m
estimated nonstop flight time
+2h
time difference · heading southeast
See live GRF→IRB fares Phone-only fares on this route — call free
Flight time details
1,566 miles nonstop takes roughly 3h 32m 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
- IRB — Iraan Municipal Airport · Iraan, 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 mi away
Frequently asked questions
How far is GRF from IRB?
The flight distance from Fort Lewis (GRF) to Iraan (IRB) is 1,566 miles (2,521 km, 1,361 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to IRB?
A nonstop flight takes about 3h 32m 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 Iraan?
Iraan is 2 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to IRB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–IRB that never appear on search engines, with no booking fees.