Find cheap airlines flights from Chiang Rai to Udon Thani

Choose from 1 carriers that fly from Chiang Rai to Udon Thani, including Thai AirAsia, Enjoy the cheapest tickets on this route with Thai AirAsia.

Find flight deals from Chiang Rai to Udon Thani for the next 3 months. Book one way flights from RUB 4,253 or round trip flights from RUB 8,206.

Displayed flight fares from Chiang Rai to Udon Thani are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Chiang Rai to Udon Thani

The distance between Chiang Rai and Udon Thani is approximately 418.39 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight priceRUB 4,253
Cheapest round-trip ticket priceRUB 8,206
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance418.39 km
Popular airlineThai AirAsia

When is the cheapest time to fly from Chiang Rai to Udon Thani?

The cheapest time for Chiang Rai to Udon Thani flights: Jan 11 to Jan 18 — one way flight prices from RUB 4,252.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Chiang Rai to Udon Thani, calculated over the upcoming 10 weeks.

Frequently Asked Questions

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

    Based on Trip.com data, Thai AirAsia offers one-way fares as low as RUB 4,253 on Cheapest nonstop routes (e.g. CEI to UTH on Wed, Jan 14), while Thai Vietjet Air offers Cheapest nonstop round-trips from RUB 8,206 departing on Tue, Jan 27 and returning on Tue, Feb 3.
  • At the moment, you can catch a nonstop flight from Chiang Rai to Udon Thani with the following airlines, including: Thai AirAsia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • 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.
  • 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 Wed, Jan 14, with one-way flights priced at just RUB 4,253.
    · 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 Udon Thani travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chiang Rai to Udon Thani is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Chiang Rai to Udon Thani on December 12, 2025 with Thai Vietjet Air, with prices starting at RUB 4,042.
  • You can land at any one of the following hubs in Udon Thani, with Chiang Rai International Airport to Udon Thani International Airport (CEI-UTH) is by far the most common option on this route: Udon Thani International Airport (UTH).
  • The time difference between Udon Thani and Chiang Rai is 0h.
  • 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.