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Did you mean flights from Chiang Rai to Udon Thani?
Thailand
Udonthani International Airport
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Thailand
Chiang Rai International Airport
At present, there are no direct flights from Udon Thani to Chiang Rai.
However, there are several flights from UTH to CEI with a stopover.
Select a stopover airport from the list below to see which airlines operate flights from UTH to CEI, and to see what flight schedules are available.
Chiang Rai is a tropical destination known for its warm climate, with temperatures between 25°C and 30°C (77°F to 86°F) throughout the year. The area is characterized by high humidity and frequent rainfall.
Being located north of the equator, Chiang Rai experiences its dry season from November to April, making this the perfect time to visit. In this period, you can expect mostly dry conditions, while the wet season will see days of rain. Humidity and temperatures are consistently high all year long.

In total there are 5 airlines that cover the full route from Udon Thani UTH to Chiang Rai CEI. These airlines are:
All other flights from Udon Thani to Chiang Rai are operated by a combination of multiple carriers, which are listed below:
Star Alliance is the only alliance that covers the full route (with 1 stopover) from Udon Thani UTH to Chiang Rai CEI.
You can fly the full journey from UTH to CEI in Economy, Premium Economy and Business Class. First Class is not available on this route, at least not on the full route with just 1 stopover.
In total there are 6 aircraft types that cover the full route from Udon Thani to Chiang Rai. These aircrafts are:
All other flights from Udon Thani to Chiang Rai are operated by a combination of multiple aircraft types.
The distance between Udon Thani and Chiang Rai is 260 miles (419 kilometers).
However, because there are no direct flights between UTH and CEI, the distance of the full journey varies between 699 and 725 miles (or 1,125 and 1,167 kilometers), depending on your stopover airport.
Flights from Udon Thani to Chiang Rai take from 2 hours and 25 minutes up to 2 hours and 40 minutes, depending on your stopover airport.
Please note that these times refer to the actual flight times, excluding the stopover time in between connecting flights, as this depends on your stopover airport as well as your date(s) of travel.
There is 1 airport in Chiang Rai: Chiang Rai International Airport (CEI).
From 2 hours and 25 minutes up to 2 hours and 40 minutes, depending on your stopover airport.
Note that this excludes the layover time in between connecting flights.
Because there are no direct flights between UTH and CEI, the total distance of the full journey varies between 699 and 725 miles (or 1,125 and 1,167 kilometers), depending on your stopover airport.
Nok Air, Thai AirAsia, Thai Lion Air, Thai Airways and Thai Vietjet Air are flying the full route from Udon Thani to Chiang Rai.
operate several connecting flights, but only partly.
Star Alliance is currently the only alliance flying from Udon Thani to Chiang Rai.
You can fly the full route from Udon Thani to Chiang Rai (with 1 stopover) in Economy, Premium Economy and Business Class.
Aircraft types that fly the full route from Udon Thani to Chiang Rai (with 1 stopover):
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