Need help booking?
Unpublished phone-only deals available
BUF to UNN: distance & flight time
Buffalo (Buffalo Niagara International Airport) → Ranong (Ranong Airport)
8,790 mi
14,147 km · 7,639 nm
17h 42m
estimated nonstop flight time
+12h
time difference · heading north
See live BUF→UNN fares Phone-only fares on this route — call free
Flight time details
8,790 miles nonstop takes roughly 17h 42m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- BUF — Buffalo Niagara International Airport · Buffalo, United States
- UNN — Ranong Airport · Ranong, Thailand
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 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
Near UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Frequently asked questions
How far is BUF from UNN?
The flight distance from Buffalo (BUF) to Ranong (UNN) is 8,790 miles (14,147 km, 7,639 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BUF to UNN?
A nonstop flight takes about 17h 42m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from BUF to UNN?
Nonstop service on BUF–UNN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 42m nonstop estimate.
What is the time difference between Buffalo and Ranong?
Ranong is 12 hours ahead of Buffalo.
What is the cheapest way to fly from BUF to UNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BUF–UNN that never appear on search engines, with no booking fees.
Why are some BUF to UNN fares phone-only?
Consolidator contracts let us sell certain BUF–UNN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.