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YSL to GMP: distance & flight time

St Leonard (St Leonard Airport) → Seoul (Gimpo International Airport)

6,514 mi
10,483 km · 5,661 nm
13h 14m
estimated nonstop flight time
time difference · heading north
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Flight time details

6,514 miles nonstop takes roughly 13h 14m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.

The two airports

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.

Frequently asked questions

How far is YSL from GMP?

The flight distance from St Leonard (YSL) to Seoul (GMP) is 6,514 miles (10,483 km, 5,661 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from YSL to GMP?

A nonstop flight takes about 13h 14m 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 cheapest way to fly from YSL to GMP?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–GMP that never appear on search engines, with no booking fees.
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