Need help booking?
Unpublished phone-only deals available
HRI to UTH: distance & flight time
Mattala (Mattala Rajapaksa International Airport) → Udon Thani (Udon Thani Airport)
1,651 mi
2,657 km · 1,435 nm
3h 42m
estimated nonstop flight time
+1.5h
time difference · heading northeast
See live HRI→UTH fares Phone-only fares on this route — call free
Flight time details
1,651 miles nonstop takes roughly 3h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- HRI — Mattala Rajapaksa International Airport · Mattala, Sri Lanka
- UTH — Udon Thani Airport · Udon Thani, 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 HRI
- WRZ · Weerawila Airport8 mi away
- KCT · Koggala Airport59 mi away
- ADP · Ampara Airport81 mi away
- RML · Colombo Ratmalana Airport93 mi away
Near UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Frequently asked questions
How far is HRI from UTH?
The flight distance from Mattala (HRI) to Udon Thani (UTH) is 1,651 miles (2,657 km, 1,435 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HRI to UTH?
A nonstop flight takes about 3h 42m 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 Mattala and Udon Thani?
Udon Thani is 1.5 hours ahead of Mattala.
What is the cheapest way to fly from HRI to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HRI–UTH that never appear on search engines, with no booking fees.