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GRM to UGN: distance & flight time

Grand Marais (Grand Marais Cook County Airport) → Chicago (Waukegan National Airport)

394 mi
634 km · 342 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading south
See live GRMUGN fares Phone-only fares on this route — call free

Flight time details

394 miles nonstop takes roughly 1h 30m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.

The two airports

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.

Frequently asked questions

How far is GRM from UGN?

The flight distance from Grand Marais (GRM) to Chicago (UGN) is 394 miles (634 km, 342 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from GRM to UGN?

A nonstop flight takes about 1h 30m 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 cheapest way to fly from GRM to UGN?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–UGN that never appear on search engines, with no booking fees.
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