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CNX to BUF: distance & flight time
Chiang Mai (Chiang Mai International Airport) → Buffalo (Buffalo Niagara International Airport)
8,171 mi
13,150 km · 7,100 nm
16h 29m
estimated nonstop flight time
-11h
time difference · heading north
See live CNX→BUF fares Phone-only fares on this route — call free
Flight time details
8,171 miles nonstop takes roughly 16h 29m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
- 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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 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 CNX from BUF?
The flight distance from Chiang Mai (CNX) to Buffalo (BUF) is 8,171 miles (13,150 km, 7,100 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNX to BUF?
A nonstop flight takes about 16h 29m 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 CNX to BUF?
Nonstop service on CNX–BUF 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 16h 29m nonstop estimate.
What is the time difference between Chiang Mai and Buffalo?
Buffalo is 11 hours behind Chiang Mai.
What is the cheapest way to fly from CNX to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNX–BUF that never appear on search engines, with no booking fees.
Why are some CNX to BUF fares phone-only?
Consolidator contracts let us sell certain CNX–BUF 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.