Need help booking?
Unpublished phone-only deals available
SSN to AST: distance & flight time
Seoul East (Seoul Air Base (K-16)) → Astoria (Astoria Regional Airport)
5,180 mi
8,336 km · 4,501 nm
10h 37m
estimated nonstop flight time
-16h
time difference · heading northeast
See live SSN→AST fares Phone-only fares on this route — call free
Flight time details
5,180 miles nonstop takes roughly 10h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
- AST — Astoria Regional Airport · Astoria, United States
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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
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
Frequently asked questions
How far is SSN from AST?
The flight distance from Seoul East (SSN) to Astoria (AST) is 5,180 miles (8,336 km, 4,501 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SSN to AST?
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 Seoul East and Astoria?
Astoria is 16 hours behind Seoul East.
What is the cheapest way to fly from SSN to AST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SSN–AST that never appear on search engines, with no booking fees.