Need help booking?
Unpublished phone-only deals available
YST to SSN: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Seoul East (Seoul Air Base (K-16))
5,652 mi
9,096 km · 4,911 nm
11h 33m
estimated nonstop flight time
+14h
time difference · heading northwest
See live YST→SSN fares Phone-only fares on this route — call free
Flight time details
5,652 miles nonstop takes roughly 11h 33m gate to gate, flying northwest. 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
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- SSN — Seoul Air Base (K-16) · Seoul East, 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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Near SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Frequently asked questions
How far is YST from SSN?
The flight distance from St. Theresa Point (YST) to Seoul East (SSN) is 5,652 miles (9,096 km, 4,911 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to SSN?
A nonstop flight takes about 11h 33m 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. Theresa Point and Seoul East?
Seoul East is 14 hours ahead of St. Theresa Point.
What is the cheapest way to fly from YST to SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–SSN that never appear on search engines, with no booking fees.