What is the cheapest month to fly from Udon Thani to Siem Reap?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Udon Thani (UTH) to Siem Reap (SAI), with fares starting from $178.

What is the lowest current fare from UTH to SAI?

The lowest currently-listed fare from Udon Thani (UTH) to Siem Reap (SAI) is $178 on 2026-06-04.

Is there a direct flight from Udon Thani to Siem Reap?

There is currently no non-stop service from UTH to SAI. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Udon Thani to Siem Reap

Cheapest current fares: $178 in June 2026 on connecting flights.

Last updated May 25, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Udon Thani (UTH) to Siem Reap (SAI). Refreshed daily.

Udon Thani (UTH) → Siem Reap (SAI)

June 2026 $178

Frequently asked questions

What is the cheapest month to fly from Udon Thani to Siem Reap?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Udon Thani (UTH) to Siem Reap (SAI), with fares starting from $178.
What is the lowest current fare from UTH to SAI?

The lowest currently-listed fare from Udon Thani (UTH) to Siem Reap (SAI) is $178 on 2026-06-04.
Is there a direct flight from Udon Thani to Siem Reap?

There is currently no non-stop service from UTH to SAI. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.