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RST to UGN: distance & flight time
Rochester (Rochester International Airport) → Chicago (Waukegan National Airport)
255 mi
410 km · 222 nm
1h 8m
estimated nonstop flight time
Same time
time difference · heading east
See live RST→UGN fares Phone-only fares on this route — call free
Flight time details
255 miles nonstop takes roughly 1h 8m gate to gate, flying east. 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
- RST — Rochester International Airport · Rochester, 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 RST
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 RST from UGN?
The flight distance from Rochester (RST) to Chicago (UGN) is 255 miles (410 km, 222 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RST to UGN?
A nonstop flight takes about 1h 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 cheapest way to fly from RST to UGN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RST–UGN that never appear on search engines, with no booking fees.