Utapao (UTP) to Udon Thani (UTH) flights
One airline flies nonstop from Utapao (UTP) to Udon Thani (UTH): 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 UTP to UTH
- Thai Lion AirNot in an alliance
UTP to UTH with one stop
2 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Chiang Mai (CNX)Thai Lion Air, then Nok Air and Thai AirAsiaDD
- Via Phuket (HKT)Bangkok Airways, then Thai AirAsia
UTP to UTH: common questions
Which airlines fly nonstop from UTP to UTH?
Thai Lion Air flies nonstop from Utapao (UTP) to Udon Thani (UTH).
How far is Utapao from Udon Thani by plane?
Utapao (UTP) and Udon Thani (UTH) 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 UTP to UTH cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for UTP to UTH with taxes and fees.
Where can I connect between Utapao and Udon Thani?
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.