Cheap Flights from Udon Thani to Chiang Rai from €46

Frequently Asked Questions

• What are the cheapest flights from Udon Thani to Chiang Rai (UTH-CEI)?

  Based on Trip.com data, Thai AirAsia offers one-way fares as low as €46 on Cheapest nonstop routes (e.g. UTH to CEI on Wed, Jan 21), while Thai AirAsia offers Cheapest nonstop round-trips from €88 departing on Sat, Jan 24 and returning on Tue, Jan 27.

• Which airlines offer flights from Udon Thani to Chiang Rai?

  At the moment, several airlines serve connecting flights from Udon Thani to Chiang Rai, including: Thai AirAsia Thai Lion Air Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Udon Thani to Chiang Rai?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Udon Thani to Chiang Rai is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Udon Thani to Chiang Rai?

  To find best deals on flights from Udon Thani to Chiang Rai, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jan 21, with one-way flights priced at just €46.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai AirAsia.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Chiang Rai travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Udon Thani (UTH) to Chiang Rai (CEI) the cheapest?

  The cheapest months to fly from Udon Thani to Chiang Rai is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Udon Thani to Chiang Rai on?

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Udon Thani to Chiang Rai on December 11, 2025 with Thai Vietjet Air, with prices starting at €89.

• Which airports can I fly to for Chiang Rai from Udon Thani?

  You can land at any one of the following hubs in Chiang Rai, with Udon Thani International Airport to Chiang Rai International Airport (UTH-CEI) is by far the most common option on this route: Chiang Rai International Airport (CEI).

• Is there any time difference between Udon Thani and Chiang Rai?

  The time difference between Chiang Rai and Udon Thani is 0h.

• How do I change or cancel my ticket from Udon Thani to Chiang Rai?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.