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LOT to OSN: distance & flight time
Lockport (Lewis University Airport) → Osan (Osan Air Base)
6,565 mi
10,565 km · 5,705 nm
13h 20m
estimated nonstop flight time
+14h
time difference · heading northwest
See live LOT→OSN fares Phone-only fares on this route — call free
Flight time details
6,565 miles nonstop takes roughly 13h 20m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- LOT — Lewis University Airport · Lockport, United States
- OSN — Osan Air Base · Osan, South Korea
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 LOT
- ORD · Chicago O'Hare International Airport27 mi away
- JOT · Joliet Regional Airport7 mi away
- DPA · Dupage Airport22 mi away
- MDW · Chicago Midway International Airport22 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is LOT from OSN?
The flight distance from Lockport (LOT) to Osan (OSN) is 6,565 miles (10,565 km, 5,705 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LOT to OSN?
A nonstop flight takes about 13h 20m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from LOT to OSN?
Nonstop service on LOT–OSN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 20m nonstop estimate.
What is the time difference between Lockport and Osan?
Osan is 14 hours ahead of Lockport.
What is the cheapest way to fly from LOT to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LOT–OSN that never appear on search engines, with no booking fees.
Why are some LOT to OSN fares phone-only?
Consolidator contracts let us sell certain LOT–OSN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.