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UBJ to AST: distance & flight time
Yamaguchi (Yamaguchi Ube Airport) → Astoria (Astoria Regional Airport)
5,196 mi
8,362 km · 4,515 nm
10h 39m
estimated nonstop flight time
-16h
time difference · heading northeast
See live UBJ→AST fares Phone-only fares on this route — call free
Flight time details
5,196 miles nonstop takes roughly 10h 39m 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
- UBJ — Yamaguchi Ube Airport · Yamaguchi, Japan
- 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 UBJ
- KKJ · Kitakyūshū Airport15 mi away
- OIT · Oita Airport41 mi away
- FUK · Fukuoka Airport53 mi away
- IWK · Iwakuni Marine Corps Air Station57 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 UBJ from AST?
The flight distance from Yamaguchi (UBJ) to Astoria (AST) is 5,196 miles (8,362 km, 4,515 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBJ to AST?
A nonstop flight takes about 10h 39m 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 Yamaguchi and Astoria?
Astoria is 16 hours behind Yamaguchi.
What is the cheapest way to fly from UBJ to AST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBJ–AST that never appear on search engines, with no booking fees.