Cheap flights from Udon Thani to Chiang Rai

One-way fares from $97 · UTH → CEI · prices found by travellers in the last 48 hours

Cheapest fare
$97

Nok Air · Sun, Dec 13

Cheapest month
December

from $97

Direct flights
Not recently

Usually 1+ stop

Quickest trip
2h 30m

420 km

Get a price alert

We'll email you when Udon Thani → Chiang Rai drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $97. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Udon Thani to Chiang Rai

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. December 2026 Cheapest $97

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Nok Air
Depart07:35 Sun, Dec 13UTH → CEI 2h 30m · 1 stop
$97one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Chiang Rai

Where to stay, what to do and getting around, from our travel partners.

About flights from Udon Thani to Chiang Rai

Udon Thani (UTH) and Chiang Rai (CEI) 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 30m. Over the next few months, one-way fares start from $97, 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 Udon Thani to Chiang Rai?

The cheapest one-way fare we've seen recently is $97 with Nok Air, departing Sunday, December 13, 2026.

What is the cheapest month to fly from Udon Thani to Chiang Rai?

December 2026 currently has the lowest fares, from $97 one way.

Are there direct flights from Udon Thani to Chiang Rai?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Udon Thani to Chiang Rai?

The quickest journey we've seen takes about 2h 30m. Udon Thani and Chiang Rai are around 420 km apart.

Which airlines fly from Udon Thani to Chiang Rai?

Recent fares on this route were with Nok Air.

More cheap flights from Udon Thani

Compare flights to Chiang Rai from other cities →