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ILG to OSH: distance & flight time
Wilmington (New Castle Airport) → Oshkosh (Wittman Regional Airport)
729 mi
1,173 km · 633 nm
2h 3m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ILG→OSH fares Phone-only fares on this route — call free
Flight time details
729 miles nonstop takes roughly 2h 3m 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
- ILG — New Castle Airport · 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 ILG
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 ILG from OSH?
The flight distance from Wilmington (ILG) to Oshkosh (OSH) is 729 miles (1,173 km, 633 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ILG to OSH?
A nonstop flight takes about 2h 3m 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 ILG to OSH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ILG–OSH that never appear on search engines, with no booking fees.