--- title: "Chiang Rai (CEI) to Bangkok (DMK) flights: who flies it" description: "Royal Flying Doctor Service, Thai Lion Mentari and Nok Air fly nonstop from CEI to DMK, about 88 flights a week. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/cei-dmk" url: "https://2lnr.com/routes/cei-dmk.md" date_modified: "2026-10-18T05:10:47Z" --- # Chiang Rai to Bangkok (CEI-DMK): nonstop flights and who flies them Royal Flying Doctor Service, Thai Lion Mentari, and Nok Air fly nonstop between Chiang Rai (CEI) and Bangkok (DMK), roughly 88 times a week. The timetable below shows the nonstop scheduled at 1h 15m 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 CEI to DMK on the interactive map [Get started free](https://2lnr.com/login) 88 Flights a week, 4-week average 1h 15m to 1h 25m Scheduled flight time 420 mi Nonstop distance Free To get started ## Chiang Rai to Bangkok flight schedule Scheduled nonstop departures for CEI to DMK 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 Chiang Rai (CEI) to Bangkok (DMK) | Date | Flight | Airline | Departs CEI | Arrives DMK | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | SL 533 | Thai Lion Mentari | 10:10 | 11:30 | 1h 20m | Boeing 737-900 | | Thu, Oct 22 | FD 3202 | Royal Flying Doctor Service | 10:20 | 11:40 | 1h 20m | [Airbus A320](https://2lnr.com/seatmaps/fd/a320.md) | | Thu, Oct 22 | DD 101 | Nok Air | 10:35 | 11:55 | 1h 20m | Boeing 737-800 | | Thu, Oct 22 | SL 537 | Thai Lion Mentari | 12:35 | 13:55 | 1h 20m | Boeing 737-900 | | Thu, Oct 22 | FD 3210 | Royal Flying Doctor Service | 13:10 | 14:30 | 1h 20m | [Airbus A320neo](https://2lnr.com/seatmaps/fd/a320neo.md) | | Thu, Oct 22 | SL 539 | Thai Lion Mentari | 14:40 | 16:05 | 1h 25m | Boeing 737-800 | | Thu, Oct 22 | FD 3204 | Royal Flying Doctor Service | 15:20 | 16:40 | 1h 20m | Airbus A320 | | Thu, Oct 22 | DD 105 | Nok Air | 16:30 | 17:50 | 1h 20m | Boeing 737-800 | | Thu, Oct 22 | FD 3208 | Royal Flying Doctor Service | 17:55 | 19:15 | 1h 20m | Airbus A320 | | Thu, Oct 22 | SL 545 | Thai Lion Mentari | 20:35 | 22:00 | 1h 25m | Boeing 737-800 | | Thu, Oct 22 | FD 3206 | Royal Flying Doctor Service | 21:05 | 22:20 | 1h 15m | Airbus A320 | | Fri, Oct 23 | SL 533 | Thai Lion Mentari | 10:10 | 11:30 | 1h 20m | Boeing 737-900 | | Fri, Oct 23 | FD 3202 | Royal Flying Doctor Service | 10:20 | 11:40 | 1h 20m | Airbus A320 | | Fri, Oct 23 | DD 101 | Nok Air | 10:35 | 11:55 | 1h 20m | Boeing 737-800 | | Fri, Oct 23 | SL 537 | Thai Lion Mentari | 12:35 | 13:55 | 1h 20m | Boeing 737-900 | | Fri, Oct 23 | FD 3210 | Royal Flying Doctor Service | 13:10 | 14:30 | 1h 20m | Airbus A320neo | | Fri, Oct 23 | SL 539 | Thai Lion Mentari | 14:40 | 16:05 | 1h 25m | Boeing 737-800 | | Fri, Oct 23 | FD 3204 | Royal Flying Doctor Service | 15:40 | 17:00 | 1h 20m | Airbus A320 | | Fri, Oct 23 | DD 105 | Nok Air | 16:30 | 17:50 | 1h 20m | Boeing 737-800 | | Fri, Oct 23 | FD 3208 | Royal Flying Doctor Service | 17:55 | 19:15 | 1h 20m | Airbus A320 | | Fri, Oct 23 | SL 545 | Thai Lion Mentari | 20:35 | 22:00 | 1h 25m | Boeing 737-900 | | Fri, Oct 23 | FD 3206 | Royal Flying Doctor Service | 21:05 | 22:20 | 1h 15m | Airbus A320 | | Sat, Oct 24 | SL 533 | Thai Lion Mentari | 10:10 | 11:30 | 1h 20m | Boeing 737-900 | | Sat, Oct 24 | FD 3202 | Royal Flying Doctor Service | 10:20 | 11:40 | 1h 20m | Airbus A320 | | Sat, Oct 24 | DD 101 | Nok Air | 10:35 | 11:55 | 1h 20m | Boeing 737-800 | | Sat, Oct 24 | SL 537 | Thai Lion Mentari | 12:35 | 13:55 | 1h 20m | Boeing 737-900 | | Sat, Oct 24 | FD 3210 | Royal Flying Doctor Service | 13:10 | 14:30 | 1h 20m | Airbus A320neo | | Sat, Oct 24 | SL 539 | Thai Lion Mentari | 14:40 | 16:05 | 1h 25m | Boeing 737-800 | | Sat, Oct 24 | FD 3204 | Royal Flying Doctor Service | 15:20 | 16:40 | 1h 20m | Airbus A320 | | Sat, Oct 24 | DD 105 | Nok Air | 16:30 | 17:50 | 1h 20m | Boeing 737-800 | | Sat, Oct 24 | FD 3208 | Royal Flying Doctor Service | 17:55 | 19:15 | 1h 20m | Airbus A320 | | Sat, Oct 24 | SL 545 | Thai Lion Mentari | 20:35 | 22:00 | 1h 25m | Boeing 737-900 | | Sat, Oct 24 | FD 3206 | Royal Flying Doctor Service | 21:05 | 22:20 | 1h 15m | Airbus A320 | | Sun, Oct 25 | FD 3200 | Royal Flying Doctor Service | 08:45 | 10:00 | 1h 15m | Airbus A320 | | Sun, Oct 25 | SL 533 | Thai Lion Mentari | 10:10 | 11:30 | 1h 20m | Boeing 737-900 | | Sun, Oct 25 | FD 3204 | Royal Flying Doctor Service | 10:25 | 11:45 | 1h 20m | Airbus A320 | | Sun, Oct 25 | DD 103 | Nok Air | 10:30 | 11:50 | 1h 20m | Boeing 737-800 | | Sun, Oct 25 | SL 537 | Thai Lion Mentari | 12:35 | 13:55 | 1h 20m | Boeing 737-900 | | Sun, Oct 25 | DD 107 | Nok Air | 13:25 | 14:45 | 1h 20m | Boeing 737-800 | | Sun, Oct 25 | FD 3202 | Royal Flying Doctor Service | 14:00 | 15:20 | 1h 20m | Airbus A320 | Showing the first 40 of 84 scheduled CEI to DMK 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 CEI to DMK date on the interactive map ## Aircraft on the Chiang Rai to Bangkok 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 CEI to DMK nonstop schedule This page carries the full CEI to DMK nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each CEI to DMK nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See CEI to DMK on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Chiang Rai to Bangkok nonstop Carriers operating CEI to DMK 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 CEI to DMK on the interactive map → ## Frequently asked questions about CEI to DMK **How long is the flight from Chiang Rai (CEI) to Bangkok (DMK)?** Scheduled flight times from Chiang Rai (CEI) to Bangkok (DMK) run from 1h 15m 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 CEI to DMK?** Royal Flying Doctor Service, Thai Lion Mentari, and Nok Air fly CEI to DMK nonstop. 2LNR doesn't show award or upgrade space for any of them on CEI to DMK, so this page carries the schedule rather than a space claim. **How many flights a week are there from CEI to DMK?** About 88 nonstop flights a week run between Chiang Rai (CEI) and Bangkok (DMK) 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 CEI to DMK depart?** Scheduled CEI to DMK nonstops in the next 7 days with service leave between 08:45 and 21:05, local time at Chiang Rai. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate CEI to DMK nonstop?** The schedule table on this page lists 14 flight numbers for CEI to DMK nonstops, including FD 3202, FD 3204, and FD 3210 on Royal Flying Doctor Service; SL 533, SL 537, and SL 539 on Thai Lion Mentari; and DD 101 and DD 105 on Nok Air. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on CEI to DMK?** Not on this route: 2LNR doesn't show award or upgrade space for any airline flying CEI to DMK. The page carries the full CEI to DMK nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [DMK to CEI nonstop flights](https://2lnr.com/routes/dmk-cei.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Chiang Rai (CEI)](https://2lnr.com/routes/cei.md), or [every route from Bangkok (DMK)](https://2lnr.com/routes/dmk.md). Nonstops to Bangkok (DMK) from other airports within 150 miles of Chiang Rai (CEI): - [Nan (NNT) to Bangkok (DMK)](https://2lnr.com/routes/nnt-dmk.md), 98 miles from CEI - [Chiang Mai (CNX) to Bangkok (DMK)](https://2lnr.com/routes/cnx-dmk.md), 101 miles from CEI - [Lampang (LPT) to Bangkok (DMK)](https://2lnr.com/routes/lpt-dmk.md), 118 miles from CEI - [Luang Phabang (LPQ) to Bangkok (DMK)](https://2lnr.com/routes/lpq-dmk.md), 149 miles from CEI Nonstops from Chiang Rai (CEI) to other airports within 150 miles of Bangkok (DMK): - [Chiang Rai (CEI) to Bangkok (BKK)](https://2lnr.com/routes/cei-bkk.md), 19 miles from DMK 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 CEI to DMK 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)