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UBJ to BUF: distance & flight time
Yamaguchi (Yamaguchi Ube Airport) → Buffalo (Buffalo Niagara International Airport)
6,797 mi
10,939 km · 5,907 nm
13h 48m
estimated nonstop flight time
-13h
time difference · heading north
See live UBJ→BUF fares Phone-only fares on this route — call free
Flight time details
6,797 miles nonstop takes roughly 13h 48m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- UBJ — Yamaguchi Ube Airport · Yamaguchi, Japan
- BUF — Buffalo Niagara International Airport · Buffalo, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is UBJ from BUF?
The flight distance from Yamaguchi (UBJ) to Buffalo (BUF) is 6,797 miles (10,939 km, 5,907 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBJ to BUF?
A nonstop flight takes about 13h 48m 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 Buffalo?
Buffalo is 13 hours behind Yamaguchi.
What is the cheapest way to fly from UBJ to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBJ–BUF that never appear on search engines, with no booking fees.