--- title: "Bangkok (DMK) to Chiang Rai (CEI) flights: who flies it" description: "Royal Flying Doctor Service, Thai Lion Mentari and Nok Air fly nonstop from DMK to CEI, about 89 flights a week. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/dmk-cei" url: "https://2lnr.com/routes/dmk-cei.md" date_modified: "2026-10-18T05:10:47Z" --- # Bangkok to Chiang Rai (DMK-CEI): nonstop flights and who flies them Royal Flying Doctor Service, Thai Lion Mentari, and Nok Air fly nonstop between Bangkok (DMK) and Chiang Rai (CEI), roughly 89 times a week. The timetable below shows the nonstop scheduled at 1h 20m to 1h 25m for the 420 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See DMK to CEI on the interactive map [Get started free](https://2lnr.com/login) 89 Flights a week, 4-week average 1h 20m to 1h 25m Scheduled flight time 420 mi Nonstop distance Free To get started ## Bangkok to Chiang Rai flight schedule Scheduled nonstop departures for DMK to CEI starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Bangkok (DMK) to Chiang Rai (CEI) | Date | Flight | Airline | Departs DMK | Arrives CEI | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | SL 532 | Thai Lion Mentari | 08:10 | 09:30 | 1h 20m | Boeing 737-900 | | Thu, Oct 22 | FD 3201 | Royal Flying Doctor Service | 08:25 | 09:50 | 1h 25m | [Airbus A320](https://2lnr.com/seatmaps/fd/a320.md) | | Thu, Oct 22 | DD 100 | Nok Air | 08:40 | 10:05 | 1h 25m | Boeing 737-800 | | Thu, Oct 22 | SL 536 | Thai Lion Mentari | 10:30 | 11:55 | 1h 25m | Boeing 737-900 | | Thu, Oct 22 | FD 3209 | Royal Flying Doctor Service | 11:15 | 12:40 | 1h 25m | [Airbus A320neo](https://2lnr.com/seatmaps/fd/a320neo.md) | | Thu, Oct 22 | SL 538 | Thai Lion Mentari | 12:35 | 14:00 | 1h 25m | Boeing 737-800 | | Thu, Oct 22 | FD 3203 | Royal Flying Doctor Service | 13:25 | 14:50 | 1h 25m | Airbus A320 | | Thu, Oct 22 | DD 104 | Nok Air | 14:35 | 16:00 | 1h 25m | Boeing 737-800 | | Thu, Oct 22 | FD 3207 | Royal Flying Doctor Service | 15:55 | 17:20 | 1h 25m | Airbus A320 | | Thu, Oct 22 | SL 544 | Thai Lion Mentari | 18:30 | 19:55 | 1h 25m | Boeing 737-800 | | Thu, Oct 22 | FD 3205 | Royal Flying Doctor Service | 19:10 | 20:30 | 1h 20m | Airbus A320 | | Fri, Oct 23 | SL 532 | Thai Lion Mentari | 08:10 | 09:30 | 1h 20m | Boeing 737-900 | | Fri, Oct 23 | FD 3201 | Royal Flying Doctor Service | 08:25 | 09:50 | 1h 25m | Airbus A320 | | Fri, Oct 23 | DD 100 | Nok Air | 08:40 | 10:05 | 1h 25m | Boeing 737-800 | | Fri, Oct 23 | SL 536 | Thai Lion Mentari | 10:30 | 11:55 | 1h 25m | Boeing 737-900 | | Fri, Oct 23 | FD 3209 | Royal Flying Doctor Service | 11:15 | 12:40 | 1h 25m | Airbus A320neo | | Fri, Oct 23 | SL 538 | Thai Lion Mentari | 12:35 | 14:00 | 1h 25m | Boeing 737-900 | | Fri, Oct 23 | FD 3203 | Royal Flying Doctor Service | 13:45 | 15:10 | 1h 25m | Airbus A320 | | Fri, Oct 23 | DD 104 | Nok Air | 14:35 | 16:00 | 1h 25m | Boeing 737-800 | | Fri, Oct 23 | FD 3207 | Royal Flying Doctor Service | 15:55 | 17:20 | 1h 25m | Airbus A320 | | Fri, Oct 23 | SL 544 | Thai Lion Mentari | 18:30 | 19:55 | 1h 25m | Boeing 737-900 | | Fri, Oct 23 | FD 3205 | Royal Flying Doctor Service | 19:10 | 20:30 | 1h 20m | Airbus A320 | | Sat, Oct 24 | SL 532 | Thai Lion Mentari | 08:10 | 09:30 | 1h 20m | Boeing 737-900 | | Sat, Oct 24 | FD 3201 | Royal Flying Doctor Service | 08:25 | 09:50 | 1h 25m | Airbus A320 | | Sat, Oct 24 | DD 100 | Nok Air | 08:40 | 10:05 | 1h 25m | Boeing 737-800 | | Sat, Oct 24 | SL 536 | Thai Lion Mentari | 10:30 | 11:55 | 1h 25m | Boeing 737-900 | | Sat, Oct 24 | FD 3209 | Royal Flying Doctor Service | 11:15 | 12:40 | 1h 25m | Airbus A320neo | | Sat, Oct 24 | SL 538 | Thai Lion Mentari | 12:35 | 14:00 | 1h 25m | Boeing 737-800 | | Sat, Oct 24 | FD 3203 | Royal Flying Doctor Service | 13:25 | 14:50 | 1h 25m | Airbus A320 | | Sat, Oct 24 | DD 104 | Nok Air | 14:35 | 16:00 | 1h 25m | Boeing 737-800 | | Sat, Oct 24 | FD 3207 | Royal Flying Doctor Service | 15:55 | 17:20 | 1h 25m | Airbus A320 | | Sat, Oct 24 | SL 544 | Thai Lion Mentari | 18:30 | 19:55 | 1h 25m | Boeing 737-900 | | Sat, Oct 24 | FD 3205 | Royal Flying Doctor Service | 19:10 | 20:30 | 1h 20m | Airbus A320 | | Sun, Oct 25 | FD 3199 | Royal Flying Doctor Service | 06:55 | 08:15 | 1h 20m | Airbus A320 | | Sun, Oct 25 | SL 532 | Thai Lion Mentari | 08:20 | 09:45 | 1h 25m | Boeing 737-800 | | Sun, Oct 25 | FD 3203 | Royal Flying Doctor Service | 08:25 | 09:50 | 1h 25m | Airbus A320 | | Sun, Oct 25 | DD 102 | Nok Air | 08:35 | 10:00 | 1h 25m | Boeing 737-800 | | Sun, Oct 25 | SL 536 | Thai Lion Mentari | 10:30 | 11:55 | 1h 25m | Boeing 737-900 | | Sun, Oct 25 | DD 106 | Nok Air | 11:30 | 12:55 | 1h 25m | Boeing 737-800 | | Sun, Oct 25 | FD 3201 | Royal Flying Doctor Service | 12:00 | 13:25 | 1h 25m | Airbus A320 | Showing the first 40 of 84 scheduled DMK to CEI departures across 7 days with service, starting October 22, 2026. Every remaining date is on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every DMK to CEI date on the interactive map ## Aircraft on the Bangkok to Chiang Rai nonstop In the schedule table on this page, Royal Flying Doctor Service flies the [Airbus A320](https://2lnr.com/seatmaps/fd/a320.md) and the [Airbus A320neo](https://2lnr.com/seatmaps/fd/a320neo.md). Thai Lion Mentari flies the Boeing 737-900 and the Boeing 737-800. Nok Air flies the Boeing 737-800. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full DMK to CEI nonstop schedule This page carries the full DMK to CEI nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each DMK to CEI nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See DMK to CEI on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Bangkok to Chiang Rai nonstop Carriers operating DMK to CEI nonstop in the current schedule. - [Royal Flying Doctor Service (FD) route map](https://2lnr.com/routes/airlines/fd.md)\ [The aircraft FD flies](https://2lnr.com/seatmaps/fd.md) - [Thai Lion Mentari (SL) route map](https://2lnr.com/routes/airlines/sl.md)\ [The aircraft SL flies](https://2lnr.com/seatmaps/sl.md) - [Nok Air (DD) route map](https://2lnr.com/routes/airlines/dd.md)\ [The aircraft DD flies](https://2lnr.com/seatmaps/dd.md) See DMK to CEI on the interactive map → ## Frequently asked questions about DMK to CEI **How long is the flight from Bangkok (DMK) to Chiang Rai (CEI)?** Scheduled flight times from Bangkok (DMK) to Chiang Rai (CEI) run from 1h 20m to 1h 25m across the departures in the schedule table on this page. The nonstop covers about 420 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from DMK to CEI?** Royal Flying Doctor Service, Thai Lion Mentari, and Nok Air fly DMK to CEI nonstop. 2LNR doesn't show award or upgrade space for any of them on DMK to CEI, so this page carries the schedule rather than a space claim. **How many flights a week are there from DMK to CEI?** About 89 nonstop flights a week run between Bangkok (DMK) and Chiang Rai (CEI) in the current schedule, operated by Royal Flying Doctor Service, Thai Lion Mentari, and Nok Air. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from DMK to CEI depart?** Scheduled DMK to CEI nonstops in the next 7 days with service leave between 06:55 and 19:10, local time at Bangkok. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate DMK to CEI nonstop?** The schedule table on this page lists 14 flight numbers for DMK to CEI nonstops, including FD 3201, FD 3203, and FD 3209 on Royal Flying Doctor Service; SL 532, SL 536, and SL 538 on Thai Lion Mentari; and DD 100 and DD 104 on Nok Air. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on DMK to CEI?** Not on this route: 2LNR doesn't show award or upgrade space for any airline flying DMK to CEI. The page carries the full DMK to CEI nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [CEI to DMK nonstop flights](https://2lnr.com/routes/cei-dmk.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Bangkok (DMK)](https://2lnr.com/routes/dmk.md), or [every route from Chiang Rai (CEI)](https://2lnr.com/routes/cei.md). Nonstops to Chiang Rai (CEI) from other airports within 150 miles of Bangkok (DMK): - [Bangkok (BKK) to Chiang Rai (CEI)](https://2lnr.com/routes/bkk-cei.md), 19 miles from DMK Nonstops from Bangkok (DMK) to other airports within 150 miles of Chiang Rai (CEI): - [Bangkok (DMK) to Nan (NNT)](https://2lnr.com/routes/dmk-nnt.md), 98 miles from CEI - [Bangkok (DMK) to Chiang Mai (CNX)](https://2lnr.com/routes/dmk-cnx.md), 101 miles from CEI - [Bangkok (DMK) to Lampang (LPT)](https://2lnr.com/routes/dmk-lpt.md), 118 miles from CEI - [Bangkok (DMK) to Luang Phabang (LPQ)](https://2lnr.com/routes/dmk-lpq.md), 149 miles from CEI Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full DMK to CEI nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)