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YKZ to OSN: distance & flight time
Toronto (Buttonville Municipal Airport) → Osan (Osan Air Base)
6,604 mi
10,628 km · 5,739 nm
13h 25m
estimated nonstop flight time
+13h
time difference · heading north
See live YKZ→OSN fares Phone-only fares on this route — call free
Flight time details
6,604 miles nonstop takes roughly 13h 25m gate to gate, flying north. 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
- YKZ — Buttonville Municipal Airport · Toronto, 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 YKZ
- YYZ · Lester B. Pearson International Airport18 mi away
- YZD · Downsview Airport10 mi away
- YTZ · Billy Bishop Toronto City Centre Airport16 mi away
- YOO · Toronto/Oshawa Executive Airport24 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 YKZ from OSN?
The flight distance from Toronto (YKZ) to Osan (OSN) is 6,604 miles (10,628 km, 5,739 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YKZ to OSN?
A nonstop flight takes about 13h 25m 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 YKZ to OSN?
Nonstop service on YKZ–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 25m nonstop estimate.
What is the time difference between Toronto and Osan?
Osan is 13 hours ahead of Toronto.
What is the cheapest way to fly from YKZ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YKZ–OSN that never appear on search engines, with no booking fees.
Why are some YKZ to OSN fares phone-only?
Consolidator contracts let us sell certain YKZ–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.