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SEP to UGN: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Chicago (Waukegan National Airport)
903 mi
1,453 km · 785 nm
2h 26m
estimated nonstop flight time
Same time
time difference · heading northeast
See live SEP→UGN fares Phone-only fares on this route — call free
Flight time details
903 miles nonstop takes roughly 2h 26m gate to gate, flying northeast. 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
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 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 SEP from UGN?
The flight distance from Stephenville (SEP) to Chicago (UGN) is 903 miles (1,453 km, 785 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to UGN?
A nonstop flight takes about 2h 26m 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 SEP to UGN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–UGN that never appear on search engines, with no booking fees.