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AST to YEC: distance & flight time
Astoria (Astoria Regional Airport) → Yechon (Yecheon Airbase)
5,174 mi
8,327 km · 4,496 nm
10h 37m
estimated nonstop flight time
+16h
time difference · heading northwest
See live AST→YEC fares Phone-only fares on this route — call free
Flight time details
5,174 miles nonstop takes roughly 10h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- AST — Astoria Regional Airport · Astoria, United States
- YEC — Yecheon Airbase · Yechon, 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 AST
- KLS · Southwest Washington Regional Airport47 mi away
- OTK · Tillamook Airport51 mi away
- HQM · Bowerman Airport56 mi away
- CLS · Chehalis Centralia Airport56 mi away
Near YEC
Frequently asked questions
How far is AST from YEC?
The flight distance from Astoria (AST) to Yechon (YEC) is 5,174 miles (8,327 km, 4,496 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AST to YEC?
A nonstop flight takes about 10h 37m 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 Astoria and Yechon?
Yechon is 16 hours ahead of Astoria.
What is the cheapest way to fly from AST to YEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AST–YEC that never appear on search engines, with no booking fees.