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HFD to OSN: distance & flight time
Hartford (Hartford Brainard Airport) → Osan (Osan Air Base)
6,851 mi
11,025 km · 5,953 nm
13h 54m
estimated nonstop flight time
+14h
time difference · heading north
See live HFD→OSN fares Phone-only fares on this route — call free
Flight time details
6,851 miles nonstop takes roughly 13h 54m gate to gate, flying north. 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
- HFD — Hartford Brainard Airport · Hartford, 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 HFD
- BDL · Bradley International Airport14 mi away
- BAF · Westfield-Barnes Regional Airport29 mi away
- OXC · Waterbury Oxford Airport31 mi away
- CEF · Westover ARB/Metropolitan Airport32 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 HFD from OSN?
The flight distance from Hartford (HFD) to Osan (OSN) is 6,851 miles (11,025 km, 5,953 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HFD to OSN?
A nonstop flight takes about 13h 54m 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 HFD to OSN?
Nonstop service on HFD–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 54m nonstop estimate.
What is the time difference between Hartford and Osan?
Osan is 14 hours ahead of Hartford.
What is the cheapest way to fly from HFD to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HFD–OSN that never appear on search engines, with no booking fees.
Why are some HFD to OSN fares phone-only?
Consolidator contracts let us sell certain HFD–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.