Need help booking?
Unpublished phone-only deals available
UGN to GRF: distance & flight time
Chicago (Waukegan National Airport) → Fort Lewis (Gray Army Air Field)
1,719 mi
2,766 km · 1,494 nm
3h 50m
estimated nonstop flight time
-2h
time difference · heading northwest
See live UGN→GRF fares Phone-only fares on this route — call free
Flight time details
1,719 miles nonstop takes roughly 3h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- UGN — Waukegan National Airport · Chicago, United States
- GRF — Gray Army Air Field · Fort Lewis, 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 UGN
- ORD · Chicago O'Hare International Airport31 mi away
- ENW · Kenosha Regional Airport12 mi away
- PWK · Chicago Executive Airport21 mi away
- RAC · John H Batten Airport24 mi away
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
Frequently asked questions
How far is UGN from GRF?
The flight distance from Chicago (UGN) to Fort Lewis (GRF) is 1,719 miles (2,766 km, 1,494 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to GRF?
A nonstop flight takes about 3h 50m 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 Chicago and Fort Lewis?
Fort Lewis is 2 hours behind Chicago.
What is the cheapest way to fly from UGN to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–GRF that never appear on search engines, with no booking fees.