Udon Thani (UTH) to Utapao (UTP) flights
One airline flies nonstop from Udon Thani (UTH) to Utapao (UTP): Thai Lion Air. The two airports are 345 miles (556 km) apart. There are also 2 ways to fly it with one stop, through Chiang Mai and Phuket.
Airlines flying nonstop from UTH to UTP
- Thai Lion AirNot in an alliance

UTH to UTP with one stop
2 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Chiang Mai (CNX)Nok Air and Thai AirAsia, then Thai Lion AirDD


- Via Phuket (HKT)Thai AirAsia, then Bangkok Airways


UTH to UTP: common questions
Which airlines fly nonstop from UTH to UTP?
Thai Lion Air flies nonstop from Udon Thani (UTH) to Utapao (UTP).
How far is Udon Thani from Utapao by plane?
Udon Thani (UTH) and Utapao (UTP) are 345 miles (556 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does UTH to UTP cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for UTH to UTP with taxes and fees.
Where can I connect between Udon Thani and Utapao?
The most direct connections are through Chiang Mai (CNX) and Phuket (HKT).
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.