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Flights from Chiang Rai to Colombo

Find the cheapest flight options from Chiang Rai to Colombo over the next three months. Book one-way tickets from Rs 41,851 and round-trip tickets from Rs 92,922.

      • CEI 08:40
        14h 50m
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Wed, Jan 14 | Thai AirAsia
        CMB 02:45
        27h 55m
        1 stop
        CEI 08:10
        Colombo - Chiang Rai | Wed, Jan 21 | Thai AirAsia
        Rs 92,922 Rs 273,418
        66% OFF
        66% OFF
        Rs 273,418 Rs 92,922
      • CEI 13:55
        9h 35m
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Wed, Jan 14 | Nokair
        CMB 02:45
        14h 30m
        1 stop
        CEI 18:45
        Colombo - Chiang Rai | Wed, Jan 21 | Thai AirAsia
        Rs 94,393 Rs 273,418
        65% OFF
        65% OFF
        Rs 273,418 Rs 94,393
      • CEI 08:30
        15h
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Wed, Jan 14 | Thai Vietjet Air
        CMB 02:45
        10h 35m
        1 stop
        CEI 14:50
        Colombo - Chiang Rai | Wed, Jan 21 | Thai AirAsia
        Rs 97,413 Rs 273,418
        64% OFF
        64% OFF
        Rs 273,418 Rs 97,413
      • CEI 14:40
        8h 50m
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Wed, Jan 14 | Thai Lion Air
        CMB 02:45
        9h 45m
        1 stop
        CEI 14:00
        Colombo - Chiang Rai | Wed, Jan 21 | Thai AirAsia
        Rs 97,771
        64% OFF
        Rs 273,418 Rs 97,771
      • CEI 10:15
        13h 15m
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Wed, Jan 14 | Thai Airways
        CMB 02:45
        14h 5m
        1 stop
        CEI 18:20
        Colombo - Chiang Rai | Wed, Jan 21 | Thai AirAsia
        Rs 106,753
        61% OFF
        Rs 273,418 Rs 106,753
      • CEI 16:05
        7h 25m
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Fri, Jan 23 | Thai AirAsia
        CMB 02:45
        11h 20m
        1 stop
        CEI 15:35
        Colombo - Chiang Rai | Fri, Jan 30 | Thai AirAsia
        Rs 109,734
        60% OFF
        Rs 273,418 Rs 109,734
      • CEI 18:55
        6h 36m
        1 stop
        CMB 00:01
        Chiang Rai - Colombo | Fri, Jan 23 | Thai Airways
        CMB 01:00
        7h 10m
        1 stop
        CEI 09:40
        Colombo - Chiang Rai | Fri, Jan 30 | Thai Airways
        Rs 163,031
        40% OFF
        Rs 273,418 Rs 163,031
      • CEI 14:25
        11h 6m
        1 stop
        CMB 00:01
        Chiang Rai - Colombo | Tue, Dec 16 | Thai Airways
        CMB 23:00
        12h 55m
        1 stop
        CEI 13:25
        Colombo - Chiang Rai | Tue, Dec 23 | Thai AirAsia
        Rs 179,167
        34% OFF
        Rs 273,418 Rs 179,167
      • CEI 14:25
        12h 50m
        1 stop
        CMB 01:45
        Chiang Rai - Colombo | Sat, Jan 3 | Thai Airways
        CMB 23:00
        17h 50m
        1 stop
        CEI 18:20
        Colombo - Chiang Rai | Wed, Jan 7 | Thai AirAsia
        Rs 180,796
        34% OFF
        Rs 273,418 Rs 180,796
      • CEI 15:20
        26h 5m
        1 stop
        CMB 15:55
        Chiang Rai - Colombo | Fri, Jan 23 | Thai Vietjet Air
        CMB 07:30
        10h 25m
        1 stop
        CEI 19:25
        Colombo - Chiang Rai | Fri, Jan 30 | SriLankan Airlines
        Rs 199,595
        27% OFF
        Rs 273,418 Rs 199,595
      • CEI 13:00
        17h 25m
        1 stop
        CMB Invalid Date
        Chiang Rai - Colombo | Sun, Dec 14 | Normal Airline
        CMB 15:00
        6h
        Direct
        CEI 16:00
        Colombo - Chiang Rai | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • CEI 08:40
        18h 35m
        1 stop
        CMB 01:45
        Chiang Rai - Colombo | Sat, Jan 24 | Thai AirAsia
        Rs 41,851 Rs 67,239
        38% OFF
        38% OFF
        Rs 67,239 Rs 41,851
      • CEI 10:15
        17h
        1 stop
        CMB 01:45
        Chiang Rai - Colombo | Sat, Jan 24 | Thai Lion Air
        Rs 43,600 Rs 67,239
        35% OFF
        35% OFF
        Rs 67,239 Rs 43,600
      • CEI 08:45
        14h 45m
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Thu, Dec 18 | Thai AirAsia
        Rs 44,832 Rs 67,239
        33% OFF
        33% OFF
        Rs 67,239 Rs 44,832
      • CEI 10:00
        13h 30m
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Thu, Dec 18 | Nokair
        Rs 45,825
        32% OFF
        Rs 67,239 Rs 45,825
      • CEI 10:15
        13h 15m
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Thu, Dec 18 | Thai Lion Air
        Rs 45,865
        32% OFF
        Rs 67,239 Rs 45,865
      • CEI 08:30
        15h
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Thu, Dec 18 | Thai Vietjet Air
        Rs 47,614
        28% OFF
        Rs 67,239 Rs 47,614
      • CEI 20:30
        27h
        1 stop
        CMB 22:00
        Chiang Rai - Colombo | Fri, Jan 9 | Thai Lion Air
        Rs 48,051
        28% OFF
        Rs 67,239 Rs 48,051
      • CEI 08:30
        18h 45m
        1 stop
        CMB 01:45
        Chiang Rai - Colombo | Tue, Dec 23 | Thai Vietjet Air
        Rs 48,210
        28% OFF
        Rs 67,239 Rs 48,210
      • CEI 08:45
        18h 30m
        1 stop
        CMB 01:45
        Chiang Rai - Colombo | Tue, Dec 23 | Thai AirAsia
        Rs 48,528
        28% OFF
        Rs 67,239 Rs 48,528
      • CEI 10:15
        17h
        1 stop
        CMB 01:45
        Chiang Rai - Colombo | Tue, Dec 23 | Thai Lion Air
        Rs 49,084
        27% OFF
        Rs 67,239 Rs 49,084
      • CEI 13:00
        17h 25m
        1 stop
        CMB Invalid Date
        Chiang Rai - Colombo | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for Chiang Rai to Colombo

The distance between Chiang Rai and Colombo is 2,600.61 km. Based on Trip.com's data, travel demand peaks in December. The off-season for travel is September.

Cheapest one-way flight priceRs 41,851
Cheapest round-trip ticket priceRs 92,922
Off-season for travelSeptember
Peak season for travelDecember
Flight distance2,600.61 km

Find the best time to fly from Chiang Rai to Colombo

The cheapest time for Chiang Rai to Colombo flights: Jan 18 to Jan 25 — one way flight prices from Rs 41,850.

Cheapest flights
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  • 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 Colombo, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Chiang Rai to Colombo (CEI-CMB)?

    Based on Trip.com data, Thai AirAsia offers one-way fares as low as Rs 41,851 on Cheapest nonstop routes (e.g. CEI to CMB on Sat, Jan 24), while Thai AirAsia offers Cheapest nonstop round-trips from Rs 92,922 departing on Wed, Jan 14 and returning on Wed, Jan 21.
  • 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 Colombo 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 Colombo, 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 24, with one-way flights priced at just Rs 41,851.
    · 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 Colombo travel is around December.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chiang Rai to Colombo 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 Colombo on December 16, 2025 with Thai Airways, with prices starting at Rs 179,166.
  • The time difference between Colombo and Chiang Rai is 1h.
  • 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.