Cheap Flights from Chiang Rai to Udon Thani from €39

Frequently Asked Questions

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

  Based on Trip.com data, Thai Vietjet Air offers one-way fares as low as €39 on Cheapest nonstop routes (e.g. CEI to UTH on Tue, Jan 27), while Thai Vietjet Air offers Cheapest nonstop round-trips from €90 departing on Tue, Jan 27 and returning on Tue, Feb 3.

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chiang Rai to Udon Thani 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 Chiang Rai to Udon Thani?

  To find best deals on flights from Chiang Rai to Udon Thani, 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 Tue, Jan 27, with one-way flights priced at just €39.
  · 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 Vietjet Air.
  · 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 Udon Thani travel is around January.
  · Get exclusive promo codes for Trip.com app users.

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

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

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

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Chiang Rai to Udon Thani on December 11, 2025 with Thai Vietjet Air, with prices starting at €98.

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

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

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

  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.