Thai Vietjet AirDepart08:30
Sun, Dec 13CEI → UTH
2h 35m · 1 stop
$109one way, per person
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- Cheapest fare
- $109
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 2h 35m
Thai Vietjet Air · Sun, Dec 13
from $109
Usually 1+ stop
420 km
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Cheapest month to fly from Chiang Rai to Udon Thani
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Chiang Rai to Udon Thani
Chiang Rai (CEI) and Udon Thani (UTH) are about 420 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 2h 35m. Over the next few months, one-way fares start from $109, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Chiang Rai to Udon Thani?
The cheapest one-way fare we've seen recently is $109 with Thai Vietjet Air, departing Sunday, December 13, 2026.
What is the cheapest month to fly from Chiang Rai to Udon Thani?
December 2026 currently has the lowest fares, from $109 one way.
Are there direct flights from Chiang Rai to Udon Thani?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Chiang Rai to Udon Thani?
The quickest journey we've seen takes about 2h 35m. Chiang Rai and Udon Thani are around 420 km apart.
Which airlines fly from Chiang Rai to Udon Thani?
Recent fares on this route were with Thai Vietjet Air.
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