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YSJ to OSN: distance & flight time
St. John (Saint John Airport) → Osan (Osan Air Base)
6,686 mi
10,761 km · 5,810 nm
13h 35m
estimated nonstop flight time
+12h
time difference · heading north
See live YSJ→OSN fares Phone-only fares on this route — call free
Flight time details
6,686 miles nonstop takes roughly 13h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- YSJ — Saint John Airport · St. John, 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 YSJ
- YFC · Fredericton Airport49 mi away
- YZX · CFB Greenwood53 mi away
- YDG · Digby / Annapolis Regional Airport53 mi away
- YQM · Greater Moncton International Airport80 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 YSJ from OSN?
The flight distance from St. John (YSJ) to Osan (OSN) is 6,686 miles (10,761 km, 5,810 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSJ to OSN?
A nonstop flight takes about 13h 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 St. John and Osan?
Osan is 12 hours ahead of St. John.
What is the cheapest way to fly from YSJ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSJ–OSN that never appear on search engines, with no booking fees.