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OSN to DLI: distance & flight time
Osan (Osan Air Base) → Dalat (Lien Khuong Airport)
2,099 mi
3,378 km · 1,824 nm
4h 35m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→DLI fares Phone-only fares on this route — call free
Flight time details
2,099 miles nonstop takes roughly 4h 35m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- DLI — Lien Khuong Airport · Dalat, Vietnam
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 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
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
Frequently asked questions
How far is OSN from DLI?
The flight distance from Osan (OSN) to Dalat (DLI) 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 OSN to DLI?
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 Osan and Dalat?
Dalat is 2 hours behind Osan.
What is the cheapest way to fly from OSN to DLI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–DLI that never appear on search engines, with no booking fees.