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GRF to UGN: distance & flight time
Fort Lewis (Gray Army Air Field) → Chicago (Waukegan National Airport)
1,719 mi
2,766 km · 1,494 nm
3h 50m
estimated nonstop flight time
+2h
time difference · heading east
See live GRF→UGN fares Phone-only fares on this route — call free
Flight time details
1,719 miles nonstop takes roughly 3h 50m gate to gate, flying east. 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
- UGN — Waukegan National Airport · Chicago, 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 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
Frequently asked questions
How far is GRF from UGN?
The flight distance from Fort Lewis (GRF) to Chicago (UGN) 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 GRF to UGN?
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 Fort Lewis and Chicago?
Chicago is 2 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to UGN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–UGN that never appear on search engines, with no booking fees.