Need help booking?
Unpublished phone-only deals available
OSN to DAC: distance & flight time
Osan (Osan Air Base) → Dhaka (Hazrat Shahjalal International Airport)
2,347 mi
3,778 km · 2,040 nm
5h 4m
estimated nonstop flight time
-3h
time difference · heading west
See live OSN→DAC fares Phone-only fares on this route — call free
Flight time details
2,347 miles nonstop takes roughly 5h 4m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- DAC — Hazrat Shahjalal International Airport · Dhaka, Bangladesh
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 DAC
- IXA · Agartala Airport53 mi away
- BZL · Barisal Airport72 mi away
- IRD · Ishurdi Airport88 mi away
- JSR · Jessore Airport91 mi away
Frequently asked questions
How far is OSN from DAC?
The flight distance from Osan (OSN) to Dhaka (DAC) is 2,347 miles (3,778 km, 2,040 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to DAC?
A nonstop flight takes about 5h 4m 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 OSN to DAC?
Nonstop service on OSN–DAC 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 5h 4m nonstop estimate.
What is the time difference between Osan and Dhaka?
Dhaka is 3 hours behind Osan.
What is the cheapest way to fly from OSN to DAC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–DAC that never appear on search engines, with no booking fees.
Why are some OSN to DAC fares phone-only?
Consolidator contracts let us sell certain OSN–DAC 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.