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ILN to OSH: distance & flight time
Wilmington (Wilmington Airpark) → Oshkosh (Wittman Regional Airport)
399 mi
643 km · 347 nm
1h 31m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ILN→OSH fares Phone-only fares on this route — call free
Flight time details
399 miles nonstop takes roughly 1h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ILN — Wilmington Airpark · Wilmington, United States
- OSH — Wittman Regional Airport · Oshkosh, 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 ILN
Near OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 mi away
Frequently asked questions
How far is ILN from OSH?
The flight distance from Wilmington (ILN) to Oshkosh (OSH) is 399 miles (643 km, 347 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ILN to OSH?
A nonstop flight takes about 1h 31m 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 Wilmington and Oshkosh?
Oshkosh is 1 hour behind Wilmington.
What is the cheapest way to fly from ILN to OSH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ILN–OSH that never appear on search engines, with no booking fees.