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HEM to CNX: distance & flight time
Helsinki (Helsinki Malmi Airport) → Chiang Mai (Chiang Mai International Airport)
4,548 mi
7,320 km · 3,952 nm
9h 23m
estimated nonstop flight time
+4h
time difference · heading east
See live HEM→CNX fares Phone-only fares on this route — call free
Flight time details
4,548 miles nonstop takes roughly 9h 23m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- HEM — Helsinki Malmi Airport · Helsinki, Finland
- 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 HEM
- HEL · Helsinki Vantaa Airport5 mi away
- HYV · Hyvinkää Airfield28 mi away
- TLL · Lennart Meri Tallinn Airport59 mi away
- QLF · Lahti Vesivehmaa Airport65 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 HEM from CNX?
The flight distance from Helsinki (HEM) to Chiang Mai (CNX) is 4,548 miles (7,320 km, 3,952 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEM to CNX?
A nonstop flight takes about 9h 23m 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 Helsinki and Chiang Mai?
Chiang Mai is 4 hours ahead of Helsinki.
What is the cheapest way to fly from HEM to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEM–CNX that never appear on search engines, with no booking fees.