--- title: "Seoul (ICN) to Bangkok (DMK) flights: who flies it" description: "Thai Lion Mentari and Royal Flying Doctor Service fly nonstop from ICN to DMK, about 13 flights a week. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/icn-dmk" url: "https://2lnr.com/routes/icn-dmk.md" date_modified: "2026-10-18T05:10:47Z" --- # Seoul to Bangkok (ICN-DMK): nonstop flights and who flies them Thai Lion Mentari and Royal Flying Doctor Service fly the ICN to DMK nonstop about 13 times a week. The timetable below shows the nonstop scheduled at 5h 40m to 6h 10m for the 2,273 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See ICN to DMK on the interactive map [Get started free](https://2lnr.com/login) 13 Flights a week, 4-week average 5h 40m to 6h 10m Scheduled flight time 2,273 mi Nonstop distance Free To get started ## Seoul to Bangkok flight schedule Scheduled nonstop departures for ICN 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 Seoul (ICN) to Bangkok (DMK) | Date | Flight | Airline | Departs ICN | Arrives DMK | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | FD 678 | Royal Flying Doctor Service | 12:05 | 15:50 | 5h 45m | [Airbus A320neo](https://2lnr.com/seatmaps/fd/a320neo.md) | | Fri, Oct 23 | FD 678 | Royal Flying Doctor Service | 12:05 | 15:50 | 5h 45m | Airbus A320neo | | Sat, Oct 24 | FD 678 | Royal Flying Doctor Service | 12:05 | 15:50 | 5h 45m | Airbus A320neo | | Sun, Oct 25 | FD 678 | Royal Flying Doctor Service | 11:20 | 15:30 | 6h 10m | Airbus A320neo | | Sun, Oct 25 | SL 353 | Thai Lion Mentari | 13:30 | 17:10 | 5h 40m | Boeing 737-800 | | Mon, Oct 26 | FD 678 | Royal Flying Doctor Service | 11:20 | 15:30 | 6h 10m | Airbus A320neo | | Mon, Oct 26 | SL 353 | Thai Lion Mentari | 13:30 | 17:10 | 5h 40m | Boeing 737-800 | | Tue, Oct 27 | FD 678 | Royal Flying Doctor Service | 11:20 | 15:30 | 6h 10m | Airbus A320neo | | Tue, Oct 27 | SL 353 | Thai Lion Mentari | 13:30 | 17:10 | 5h 40m | Boeing 737-800 | | Wed, Oct 28 | FD 678 | Royal Flying Doctor Service | 11:20 | 15:30 | 6h 10m | Airbus A320neo | | Wed, Oct 28 | SL 353 | Thai Lion Mentari | 13:30 | 17:10 | 5h 40m | Boeing 737-800 | Showing all 11 scheduled ICN to DMK departures across 7 days with service, starting October 22, 2026. Later dates are 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 ICN to DMK date on the interactive map ## Aircraft on the Seoul to Bangkok nonstop In the schedule table on this page, Royal Flying Doctor Service flies the [Airbus A320neo](https://2lnr.com/seatmaps/fd/a320neo.md), and Thai Lion Mentari flies the Boeing 737-800. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full ICN to DMK nonstop schedule This page carries the full ICN 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 ICN to DMK nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See ICN to DMK on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Seoul to Bangkok nonstop Carriers operating ICN to DMK nonstop in the current schedule. - [Thai Lion Mentari (SL) route map](https://2lnr.com/routes/airlines/sl.md)\ [The aircraft SL flies](https://2lnr.com/seatmaps/sl.md) - [Royal Flying Doctor Service (FD) route map](https://2lnr.com/routes/airlines/fd.md)\ [The aircraft FD flies](https://2lnr.com/seatmaps/fd.md) See ICN to DMK on the interactive map → ## Frequently asked questions about ICN to DMK **How long is the flight from Seoul (ICN) to Bangkok (DMK)?** Scheduled flight times from Seoul (ICN) to Bangkok (DMK) run from 5h 40m to 6h 10m across the departures in the schedule table on this page. The nonstop covers about 2,273 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ICN to DMK?** Thai Lion Mentari and Royal Flying Doctor Service fly ICN to DMK nonstop. 2LNR doesn't show award or upgrade space for any of them on ICN to DMK, so this page carries the schedule rather than a space claim. **How many flights a week are there from ICN to DMK?** About 13 nonstop flights a week run between Seoul (ICN) and Bangkok (DMK) in the current schedule, operated by Thai Lion Mentari and Royal Flying Doctor Service. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from ICN to DMK depart?** Scheduled ICN to DMK nonstops in the next 7 days with service leave between 11:20 and 13:30, local time at Seoul. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ICN to DMK nonstop?** In the schedule table on this page, ICN to DMK nonstops fly as FD 678 on Royal Flying Doctor Service and SL 353 on Thai Lion Mentari. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on ICN to DMK?** Not on this route: 2LNR doesn't show award or upgrade space for any airline flying ICN to DMK. The page carries the full ICN to DMK nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [DMK to ICN nonstop flights](https://2lnr.com/routes/dmk-icn.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Seoul (ICN)](https://2lnr.com/routes/icn.md), or [every route from Bangkok (DMK)](https://2lnr.com/routes/dmk.md). Nonstops from Seoul (ICN) to other airports within 150 miles of Bangkok (DMK): - [Seoul (ICN) to Bangkok (BKK)](https://2lnr.com/routes/icn-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 ICN 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)