Need help booking?
Unpublished phone-only deals available
KDT to HEM: distance & flight time
Nakhon Pathom (Kamphaeng Saen Airport) → Helsinki (Helsinki Malmi Airport)
4,857 mi
7,817 km · 4,221 nm
9h 59m
estimated nonstop flight time
-4h
time difference · heading northwest
See live KDT→HEM fares Phone-only fares on this route — call free
Flight time details
4,857 miles nonstop takes roughly 9h 59m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- KDT — Kamphaeng Saen Airport · Nakhon Pathom, Thailand
- HEM — Helsinki Malmi Airport · Helsinki, Finland
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 KDT
- DMK · Don Mueang International Airport48 mi away
- BKK · Suvarnabhumi Airport63 mi away
- TKH · Takhli Airport85 mi away
- HHQ · Hua Hin Airport101 mi away
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
Frequently asked questions
How far is KDT from HEM?
The flight distance from Nakhon Pathom (KDT) to Helsinki (HEM) is 4,857 miles (7,817 km, 4,221 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KDT to HEM?
A nonstop flight takes about 9h 59m 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 Nakhon Pathom and Helsinki?
Helsinki is 4 hours behind Nakhon Pathom.
What is the cheapest way to fly from KDT to HEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KDT–HEM that never appear on search engines, with no booking fees.