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UGN to AAH: distance & flight time
Chicago (Waukegan National Airport) → Aachen (Aachen-Merzbrück Airport)
4,191 mi
6,745 km · 3,642 nm
8h 41m
estimated nonstop flight time
+7h
time difference · heading northeast
See live UGN→AAH fares Phone-only fares on this route — call free
Flight time details
4,191 miles nonstop takes roughly 8h 41m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- UGN — Waukegan National Airport · Chicago, United States
- AAH — Aachen-Merzbrück Airport · Aachen, Germany
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 AAH
- GKE · Geilenkirchen Air Base11 mi away
- MST · Maastricht Aachen Airport19 mi away
- MGL · Mönchengladbach Airport31 mi away
- LGG · Liège Airport35 mi away
Frequently asked questions
How far is UGN from AAH?
The flight distance from Chicago (UGN) to Aachen (AAH) is 4,191 miles (6,745 km, 3,642 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to AAH?
A nonstop flight takes about 8h 41m 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 Aachen?
Aachen is 7 hours ahead of Chicago.
What is the cheapest way to fly from UGN to AAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–AAH that never appear on search engines, with no booking fees.