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UGN to AHN: distance & flight time
Chicago (Waukegan National Airport) → Athens (Athens Ben Epps Airport)
635 mi
1,022 km · 552 nm
1h 51m
estimated nonstop flight time
+1h
time difference · heading southeast
See live UGN→AHN fares Phone-only fares on this route — call free
Flight time details
635 miles nonstop takes roughly 1h 51m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- UGN — Waukegan National Airport · Chicago, United States
- AHN — Athens Ben Epps Airport · Athens, 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 AHN
- WDR · Barrow County Airport20 mi away
- ATL · Hartsfield Jackson Atlanta International Airport67 mi away
- GVL · Lee Gilmer Memorial Airport36 mi away
- LZU · Gwinnett County Briscoe Field37 mi away
Frequently asked questions
How far is UGN from AHN?
The flight distance from Chicago (UGN) to Athens (AHN) is 635 miles (1,022 km, 552 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to AHN?
A nonstop flight takes about 1h 51m 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 Athens?
Athens is 1 hour ahead of Chicago.
What is the cheapest way to fly from UGN to AHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–AHN that never appear on search engines, with no booking fees.