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DLI to OSN: distance & flight time
Dalat (Lien Khuong Airport) → Osan (Osan Air Base)
2,099 mi
3,378 km · 1,824 nm
4h 35m
estimated nonstop flight time
+2h
time difference · heading northeast
See live DLI→OSN fares Phone-only fares on this route — call free
Flight time details
2,099 miles nonstop takes roughly 4h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- DLI — Lien Khuong Airport · Dalat, Vietnam
- 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 DLI
- PHA · Phan Rang Airport40 mi away
- CXR · Cam Ranh Airport60 mi away
- NHA · Nha Trang Air Base65 mi away
- BMV · Buon Ma Thuot Airport66 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 DLI from OSN?
The flight distance from Dalat (DLI) to Osan (OSN) is 2,099 miles (3,378 km, 1,824 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DLI to OSN?
A nonstop flight takes about 4h 35m 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 Dalat and Osan?
Osan is 2 hours ahead of Dalat.
What is the cheapest way to fly from DLI to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DLI–OSN that never appear on search engines, with no booking fees.