Need help booking?
Unpublished phone-only deals available
TNN to BUF: distance & flight time
Tainan (Tainan Airport) → Buffalo (Buffalo Niagara International Airport)
7,727 mi
12,436 km · 6,715 nm
15h 37m
estimated nonstop flight time
-12h
time difference · heading north
See live TNN→BUF fares Phone-only fares on this route — call free
Flight time details
7,727 miles nonstop takes roughly 15h 37m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- TNN — Tainan Airport · Tainan, Taiwan
- 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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 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 TNN from BUF?
The flight distance from Tainan (TNN) to Buffalo (BUF) is 7,727 miles (12,436 km, 6,715 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to BUF?
A nonstop flight takes about 15h 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 Tainan and Buffalo?
Buffalo is 12 hours behind Tainan.
What is the cheapest way to fly from TNN to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–BUF that never appear on search engines, with no booking fees.