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NST to HRI: distance & flight time
Nakhon Si Thammarat (Nakhon Si Thammarat Airport) → Mattala (Mattala Rajapaksa International Airport)
1,299 mi
2,090 km · 1,129 nm
3h 17m
estimated nonstop flight time
-1.5h
time difference · heading west
See live NST→HRI fares Phone-only fares on this route — call free
Flight time details
1,299 miles nonstop takes roughly 3h 17m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time set-back when reading arrival times on your ticket.
The two airports
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, Thailand
- HRI — Mattala Rajapaksa International Airport · Mattala, Sri Lanka
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 NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Near HRI
- WRZ · Weerawila Airport8 mi away
- KCT · Koggala Airport59 mi away
- ADP · Ampara Airport81 mi away
- RML · Colombo Ratmalana Airport93 mi away
Frequently asked questions
How far is NST from HRI?
The flight distance from Nakhon Si Thammarat (NST) to Mattala (HRI) is 1,299 miles (2,090 km, 1,129 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NST to HRI?
A nonstop flight takes about 3h 17m 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 Si Thammarat and Mattala?
Mattala is 1.5 hours behind Nakhon Si Thammarat.
What is the cheapest way to fly from NST to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NST–HRI that never appear on search engines, with no booking fees.