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Flights from Koh Samui to Chiang Rai

Find the cheapest flight options from Koh Samui to Chiang Rai over the next three months. Book one-way tickets from AED 416 and round-trip tickets from AED 1,196.

      • USM 07:15
        8h 40m
        1 stop
        CEI 15:55
        Koh Samui - Chiang Rai | Tue, Dec 9 | Bangkok Airways
        CEI 08:40
        12h 40m
        1 stop
        USM 21:20
        Chiang Rai - Koh Samui | Thu, Dec 11 | Thai AirAsia
        AED 1,196 AED 6,937
        83% OFF
        83% OFF
        AED 6,937 AED 1,196
      • USM 08:30
        12h 15m
        1 stop
        CEI 20:45
        Koh Samui - Chiang Rai | Wed, Dec 17 | Bangkok Airways
        CEI 08:40
        8h
        1 stop
        USM 16:40
        Chiang Rai - Koh Samui | Fri, Dec 19 | Thai AirAsia
        AED 1,378 AED 6,937
        80% OFF
        80% OFF
        AED 6,937 AED 1,378
      • USM 08:20
        9h 55m
        1 stop
        CEI 18:15
        Koh Samui - Chiang Rai | Wed, Feb 4 | Bangkok Airways
        CEI 08:40
        11h 45m
        1 stop
        USM 20:25
        Chiang Rai - Koh Samui | Fri, Feb 6 | Thai AirAsia
        AED 1,417 AED 6,937
        80% OFF
        80% OFF
        AED 6,937 AED 1,417
      • USM 06:45
        14h 5m
        1 stop
        CEI 20:50
        Koh Samui - Chiang Rai | Tue, Dec 30 | Bangkok Airways
        CEI 10:15
        10h 15m
        1 stop
        USM 20:30
        Chiang Rai - Koh Samui | Thu, Jan 1 | Thai Lion Air
        AED 1,852
        73% OFF
        AED 6,937 AED 1,852
      • USM 13:45
        5h 40m
        1 stop
        CEI 19:25
        Koh Samui - Chiang Rai | Wed, Feb 4 | Apg Airlines
        CEI 08:30
        7h 5m
        1 stop
        USM 15:35
        Chiang Rai - Koh Samui | Fri, Feb 6 | Thai Vietjet Air
        AED 2,035
        71% OFF
        AED 6,937 AED 2,035
      • USM 13:45
        5h 40m
        1 stop
        CEI 19:25
        Koh Samui - Chiang Rai | Wed, Dec 17 | Apg Airlines
        CEI 08:30
        9h 10m
        1 stop
        USM 17:40
        Chiang Rai - Koh Samui | Fri, Dec 19 | Thai Vietjet Air
        AED 2,125
        69% OFF
        AED 6,937 AED 2,125
      • USM 08:30
        6h 20m
        1 stop
        CEI 14:50
        Koh Samui - Chiang Rai | Tue, Dec 30 | Apg Airlines
        CEI 11:15
        7h 40m
        1 stop
        USM 18:55
        Chiang Rai - Koh Samui | Thu, Jan 1 | Thai Vietjet Air
        AED 2,351
        66% OFF
        AED 6,937 AED 2,351
      • USM 19:45
        12h 15m
        1 stop
        CEI 08:00
        Koh Samui - Chiang Rai | Fri, Jan 2 | Scoot
        CEI 19:25
        15h 35m
        1 stop
        USM 11:00
        Chiang Rai - Koh Samui | Mon, Jan 5 | Scoot
        AED 4,856
        30% OFF
        AED 6,937 AED 4,856
      • USM 13:00
        17h 25m
        1 stop
        CEI Invalid Date
        Koh Samui - Chiang Rai | Thu, Dec 11 | Normal Airline
        CEI 15:00
        6h
        Direct
        USM 16:00
        Chiang Rai - Koh Samui | Sat, Dec 13 | Normal Airline
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Displayed flight fares from Koh Samui to Chiang Rai are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Koh Samui to Chiang Rai

The distance between Koh Samui and Chiang Rai is 1,156.8 km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceAED 416
Cheapest round-trip ticket priceAED 1,196
Off-season for travelOctober
Peak season for travelJanuary
Flight distance1,156.8 km

Find the best time to fly from Koh Samui to Chiang Rai

The cheapest time for Koh Samui to Chiang Rai flights: Jan 4 to Jan 11 — one way flight prices from AED 415.

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 Koh Samui to Chiang Rai, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Koh Samui to Chiang Rai (USM-CEI)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as AED 416 on Cheapest nonstop routes (e.g. USM to CEI on Sat, Jan 10), while Bangkok Airways offers Cheapest nonstop round-trips from AED 1,196 departing on Tue, Dec 9 and returning on Thu, Dec 11.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Koh Samui 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.
  • To find best deals on flights from Koh Samui 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 Sat, Jan 10, with one-way flights priced at just AED 416.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bangkok Airways.
    · 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.
  • The cheapest months to fly from Koh Samui to Chiang Rai is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Koh Samui to Chiang Rai on December 24, 2025 with Bangkok Airways, with prices starting at AED 1,311.
  • The time difference between Chiang Rai and Koh Samui 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.