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BOS to CNX: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Chiang Mai (Chiang Mai International Airport)
8,165 mi
13,140 km · 7,095 nm
16h 29m
estimated nonstop flight time
+11h
time difference · heading north
See live BOS→CNX fares Phone-only fares on this route — call free
Flight time details
8,165 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 gain when reading arrival times on your ticket.
The two airports
- BOS — General Edward Lawrence Logan International Airport · Boston, United States
- CNX — Chiang Mai International Airport · Chiang Mai, 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 BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 mi away
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
Frequently asked questions
How far is BOS from CNX?
The flight distance from Boston (BOS) to Chiang Mai (CNX) is 8,165 miles (13,140 km, 7,095 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to CNX?
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.
What is the time difference between Boston and Chiang Mai?
Chiang Mai is 11 hours ahead of Boston.
What is the cheapest way to fly from BOS to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–CNX that never appear on search engines, with no booking fees.