Trip.com
>
Cheap Flights
>
Thailand
>
Udon Thani
Hotels in Udon Thani
>
Flights from Chiang Rai to Udon Thani

Find the cheapest flight options from Chiang Rai to Udon Thani over the next three months. Book one-way tickets from SAR 168 and round-trip tickets from SAR 395.

      • CEI 20:00
        13h 40m
        1 stop
        UTH 09:40
        Chiang Rai - Udon Thani | Tue, Jan 27 | Thai Vietjet Air
        UTH 08:40
        12h 5m
        1 stop
        CEI 20:45
        Udon Thani - Chiang Rai | Tue, Feb 3 | Thai AirAsia
        SAR 395 SAR 642
        39% OFF
        39% OFF
        SAR 642 SAR 395
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Wed, Jan 28 | Thai AirAsia
        UTH 08:40
        7h 15m
        1 stop
        CEI 15:55
        Udon Thani - Chiang Rai | Sat, Jan 31 | Thai AirAsia
        SAR 403 SAR 642
        37% OFF
        37% OFF
        SAR 642 SAR 403
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Sat, Jan 24 | Thai AirAsia
        UTH 08:40
        7h 15m
        1 stop
        CEI 15:55
        Udon Thani - Chiang Rai | Sat, Jan 31 | Thai AirAsia
        SAR 408 SAR 642
        36% OFF
        36% OFF
        SAR 642 SAR 408
      • CEI 08:40
        12h 25m
        1 stop
        UTH 21:05
        Chiang Rai - Udon Thani | Tue, Jan 13 | Thai AirAsia
        UTH 08:40
        7h 15m
        1 stop
        CEI 15:55
        Udon Thani - Chiang Rai | Tue, Jan 20 | Thai AirAsia
        SAR 413
        36% OFF
        SAR 642 SAR 413
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Mon, Jan 26 | Thai AirAsia
        UTH 08:40
        9h 35m
        1 stop
        CEI 18:15
        Udon Thani - Chiang Rai | Mon, Feb 2 | Thai AirAsia
        SAR 417
        35% OFF
        SAR 642 SAR 417
      • CEI 13:55
        5h 15m
        1 stop
        UTH 19:10
        Chiang Rai - Udon Thani | Wed, Jan 21 | Nokair Airline
        UTH 08:40
        10h 5m
        1 stop
        CEI 18:45
        Udon Thani - Chiang Rai | Sat, Jan 24 | Thai AirAsia
        SAR 419
        35% OFF
        SAR 642 SAR 419
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Fri, Jan 23 | Thai AirAsia
        UTH 08:40
        12h 5m
        1 stop
        CEI 20:45
        Udon Thani - Chiang Rai | Mon, Jan 26 | Thai AirAsia
        SAR 420
        35% OFF
        SAR 642 SAR 420
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Sun, Jan 25 | Thai AirAsia
        UTH 08:40
        9h 35m
        1 stop
        CEI 18:15
        Udon Thani - Chiang Rai | Fri, Jan 30 | Thai AirAsia
        SAR 421
        34% OFF
        SAR 642 SAR 421
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Mon, Feb 9 | Thai AirAsia
        UTH 08:40
        9h 35m
        1 stop
        CEI 18:15
        Udon Thani - Chiang Rai | Thu, Feb 12 | Thai AirAsia
        SAR 425
        34% OFF
        SAR 642 SAR 425
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Sun, Jan 11 | Thai AirAsia
        UTH 08:40
        12h 5m
        1 stop
        CEI 20:45
        Udon Thani - Chiang Rai | Wed, Jan 14 | Thai AirAsia
        SAR 468
        27% OFF
        SAR 642 SAR 468
      • CEI 13:00
        17h 25m
        1 stop
        UTH Invalid Date
        Chiang Rai - Udon Thani | Sun, Dec 14 | Normal Airline
        UTH 15:00
        6h
        Direct
        CEI 16:00
        Udon Thani - Chiang Rai | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • CEI 20:00
        23h 30m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Tue, Jan 27 | Thai Vietjet Air
        SAR 168 SAR 282
        41% OFF
        41% OFF
        SAR 282 SAR 168
      • CEI 20:00
        13h 40m
        1 stop
        UTH 09:40
        Chiang Rai - Udon Thani | Wed, Jan 28 | Thai Vietjet Air
        SAR 169 SAR 282
        40% OFF
        40% OFF
        SAR 282 SAR 169
      • CEI 08:30
        23h 40m
        1 stop
        UTH 08:10
        Chiang Rai - Udon Thani | Wed, Jan 14 | Thai Vietjet Air
        SAR 173 SAR 282
        39% OFF
        39% OFF
        SAR 282 SAR 173
      • CEI 20:00
        13h 40m
        1 stop
        UTH 09:40
        Chiang Rai - Udon Thani | Tue, Jan 13 | Thai Vietjet Air
        SAR 178
        37% OFF
        SAR 282 SAR 178
      • CEI 08:40
        23h 30m
        1 stop
        UTH 08:10
        Chiang Rai - Udon Thani | Sun, Jan 25 | Thai AirAsia
        SAR 205
        27% OFF
        SAR 282 SAR 205
      • CEI 08:40
        23h 30m
        1 stop
        UTH 08:10
        Chiang Rai - Udon Thani | Mon, Jan 26 | Thai AirAsia
        SAR 205
        27% OFF
        SAR 282 SAR 205
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Fri, Jan 30 | Thai AirAsia
        SAR 206
        27% OFF
        SAR 282 SAR 206
      • CEI 08:40
        23h 30m
        1 stop
        UTH 08:10
        Chiang Rai - Udon Thani | Fri, Jan 23 | Thai AirAsia
        SAR 206
        27% OFF
        SAR 282 SAR 206
      • CEI 08:40
        10h 50m
        1 stop
        UTH 19:30
        Chiang Rai - Udon Thani | Tue, Jan 20 | Thai AirAsia
        SAR 206
        27% OFF
        SAR 282 SAR 206
      • CEI 08:40
        23h 30m
        1 stop
        UTH 08:10
        Chiang Rai - Udon Thani | Tue, Jan 27 | Thai AirAsia
        SAR 206
        27% OFF
        SAR 282 SAR 206
      • CEI 13:00
        17h 25m
        1 stop
        UTH Invalid Date
        Chiang Rai - Udon Thani | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

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 Information for Chiang Rai to Udon Thani Flights

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

Cheapest one-way flight priceSAR 168
Cheapest return ticket priceSAR 395
Off-season travel monthSeptember
Peak season for travelJanuary
Flight distance418.39km

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

The cheapest time for Chiang Rai to Udon Thani flights: Jan 25 to Feb 1 — one way flight prices from SAR 168.

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.

Flight FAQs

  • Which airlines offer the cheapest flights from Chiang Rai (CEI) to Udon Thani (UTH)?

    Based on Trip.com data, Thai Vietjet Air offers one-way fares as low as SAR 168 on Cheapest nonstop routes (e.g. CEI to UTH on Tue, Jan 27), while Thai Vietjet Air offers Cheapest nonstop round-trips from SAR 395 departing on Tue, Jan 27 and returning on Tue, Feb 3.
  • 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 Tue, Jan 27, with one-way flights priced at just SAR 168.
    · 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.
  • 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 Nokair, with prices starting at SAR 466.
  • The time difference between Udon Thani and Chiang Rai is 0h.
  • 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.