Need help booking?
Unpublished phone-only deals available
YHF to OSN: distance & flight time
Hearst (Hearst René Fontaine Municipal Airport) → Osan (Osan Air Base)
6,153 mi
9,902 km · 5,346 nm
12h 32m
estimated nonstop flight time
+13h
time difference · heading northwest
See live YHF→OSN fares Phone-only fares on this route — call free
Flight time details
6,153 miles nonstop takes roughly 12h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- YHF — Hearst René Fontaine Municipal Airport · Hearst, Canada
- 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 YHF
- YYU · Kapuskasing Airport58 mi away
- YHN · Hornepayne Municipal Airport60 mi away
- YMG · Manitouwadge Airport107 mi away
- YCN · Cochrane Airport127 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 YHF from OSN?
The flight distance from Hearst (YHF) to Osan (OSN) is 6,153 miles (9,902 km, 5,346 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YHF to OSN?
A nonstop flight takes about 12h 32m 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 Hearst and Osan?
Osan is 13 hours ahead of Hearst.
What is the cheapest way to fly from YHF to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YHF–OSN that never appear on search engines, with no booking fees.