Cheap Flights Udon Thani to Chiang Rai from £37

Flight FAQs

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

  Based on Trip.com data, Thai Vietjet Air offers Cheapest nonstop one-way flights from £37 (for example, UTH–CEI on Thu, Sep 17). For a Cheapest nonstop return flight, Thai Vietjet Air offers fares from £69, departing on Sat, Sep 19 and returning on Tue, Sep 22.

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

  At the moment, you can catch a direct flight from Udon Thani to Chiang Rai with the following airlines, including: Thai Lion Air Selected airlines are based on historical data collected from flight bookings users made 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?

  Here are some tips for finding the best flight deals from Udon Thani to Chiang Rai on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Thu, Sep 17, with one-way fares from just £37.
  · Compare airlines. Thai Vietjet Air currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. January is generally the busiest month for travel to Chiang Rai.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Udon Thani to Chiang Rai to get the best price?

  The cheapest month to book a flight from Udon Thani to Chiang Rai is usually September, when demand is lower.

• Which upcoming date is the cheapest for flights from Udon Thani to Chiang Rai?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Udon Thani to Chiang Rai on September 10, 2026 with Thai Vietjet Air, with prices starting at £38.

• Which airports should you choose for flights from Udon Thani to Chiang Rai?

  Flights to Chiang Rai can arrive at: Mae Fah Luang - Chiang Rai International Airport (CEI). The most common route connects Udon Thani International Airport and Mae Fah Luang - Chiang Rai International Airport (UTH–CEI).

• What is the time difference between Udon Thani and Chiang Rai?

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

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

  Tickets can only be changed or cancelled 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.

• What is the average price of a one-way flight from Udon Thani to Chiang Rai?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Udon Thani to Chiang Rai is £68. Fares vary by travel date, airline and availability.

• How do I book flights from Udon Thani to Chiang Rai on Trip.com?

  Enter Udon Thani and Chiang Rai, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Udon Thani to Chiang Rai route?

  Thai Vietjet Air, Thai Lion Air and Thai AirAsiaare the most popular budget airlines flying from Udon Thani to Chiang Rai. Check baggage, seat and payment fees before comparing the final price.