--- title: "Bangkok (BKK) to Colombo (CMB) flights: who flies it" description: "SriLankan Airlines and Thai Airways International fly nonstop from BKK to CMB, about 21 flights a week. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/bkk-cmb" url: "https://2lnr.com/routes/bkk-cmb.md" date_modified: "2026-10-18T05:10:47Z" --- # Bangkok to Colombo (BKK-CMB): nonstop flights and who flies them SriLankan Airlines and Thai Airways International fly nonstop between Bangkok (BKK) and Colombo (CMB), roughly 21 times a week. The timetable below shows the nonstop scheduled at 3h 20m to 3h 45m for the 1,486 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 BKK to CMB on the interactive map [Get started free](https://2lnr.com/login) 21 Flights a week, 4-week average 3h 20m to 3h 45m Scheduled flight time 1,486 mi Nonstop distance Free To get started ## Bangkok to Colombo flight schedule Scheduled nonstop departures for BKK to CMB 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 (BKK) to Colombo (CMB) | Date | Flight | Airline | Departs BKK | Arrives CMB | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UL 403 | SriLankan Airlines | 07:45 | 09:35 | 3h 20m | [Airbus A320](https://2lnr.com/seatmaps/ul/a320.md) | | Thu, Oct 22 | UL 405 | SriLankan Airlines | 13:55 | 15:45 | 3h 20m | [Airbus A321](https://2lnr.com/seatmaps/ul/a321.md) | | Thu, Oct 22 | TG 307 | Thai Airways International | 21:40 | 23:55 | 3h 45m | [Airbus A320](https://2lnr.com/seatmaps/tg/a320.md) | | Fri, Oct 23 | UL 403 | SriLankan Airlines | 07:45 | 09:35 | 3h 20m | Airbus A320 | | Fri, Oct 23 | UL 405 | SriLankan Airlines | 13:55 | 15:45 | 3h 20m | Airbus A321 | | Fri, Oct 23 | TG 307 | Thai Airways International | 21:40 | 23:55 | 3h 45m | Airbus A320 | | Sat, Oct 24 | UL 403 | SriLankan Airlines | 07:45 | 09:35 | 3h 20m | Airbus A320 | | Sat, Oct 24 | UL 405 | SriLankan Airlines | 13:55 | 15:45 | 3h 20m | Airbus A321 | | Sat, Oct 24 | TG 307 | Thai Airways International | 21:40 | 23:55 | 3h 45m | Airbus A320 | | Sun, Oct 25 | UL 403 | SriLankan Airlines | 08:10 | 10:10 | 3h 30m | Airbus A320 | | Sun, Oct 25 | UL 405 | SriLankan Airlines | 13:55 | 15:55 | 3h 30m | Airbus A321 | | Sun, Oct 25 | TG 307 | Thai Airways International | 21:40 | 23:55 | 3h 45m | Airbus A320 | | Mon, Oct 26 | UL 403 | SriLankan Airlines | 08:10 | 10:10 | 3h 30m | Airbus A320 | | Mon, Oct 26 | UL 405 | SriLankan Airlines | 13:55 | 15:55 | 3h 30m | Airbus A321 | | Mon, Oct 26 | TG 307 | Thai Airways International | 21:40 | 23:55 | 3h 45m | Airbus A320 | | Tue, Oct 27 | UL 403 | SriLankan Airlines | 08:10 | 10:10 | 3h 30m | Airbus A320 | | Tue, Oct 27 | UL 405 | SriLankan Airlines | 13:55 | 15:55 | 3h 30m | Airbus A320 | | Tue, Oct 27 | TG 307 | Thai Airways International | 21:40 | 23:55 | 3h 45m | Airbus A320 | | Wed, Oct 28 | UL 403 | SriLankan Airlines | 08:10 | 10:10 | 3h 30m | Airbus A320 | | Wed, Oct 28 | UL 405 | SriLankan Airlines | 15:20 | 17:20 | 3h 30m | Airbus A321 | | Wed, Oct 28 | TG 307 | Thai Airways International | 21:40 | 23:55 | 3h 45m | Airbus A320 | Showing all 21 scheduled BKK to CMB 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 BKK to CMB date on the interactive map ## Aircraft on the Bangkok to Colombo nonstop In the schedule table on this page, SriLankan Airlines flies the [Airbus A320](https://2lnr.com/seatmaps/ul/a320.md) and the [Airbus A321](https://2lnr.com/seatmaps/ul/a321.md), and Thai Airways International flies the [Airbus A320](https://2lnr.com/seatmaps/tg/a320.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full BKK to CMB nonstop schedule This page carries the full BKK to CMB nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each BKK to CMB nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See BKK to CMB on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Bangkok to Colombo nonstop Carriers operating BKK to CMB nonstop in the current schedule. - [SriLankan Airlines (UL) route map](https://2lnr.com/routes/airlines/ul.md)\ [The aircraft UL flies](https://2lnr.com/seatmaps/ul.md) - [Thai Airways International (TG) route map](https://2lnr.com/routes/airlines/tg.md)\ [The aircraft TG flies](https://2lnr.com/seatmaps/tg.md) See BKK to CMB on the interactive map → ## Frequently asked questions about BKK to CMB **How long is the flight from Bangkok (BKK) to Colombo (CMB)?** Scheduled flight times from Bangkok (BKK) to Colombo (CMB) run from 3h 20m to 3h 45m across the departures in the schedule table on this page. The nonstop covers about 1,486 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from BKK to CMB?** SriLankan Airlines and Thai Airways International fly BKK to CMB nonstop. 2LNR doesn't show award or upgrade space for any of them on BKK to CMB, so this page carries the schedule rather than a space claim. **How many flights a week are there from BKK to CMB?** About 21 nonstop flights a week run between Bangkok (BKK) and Colombo (CMB) in the current schedule, operated by SriLankan Airlines and Thai Airways International. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from BKK to CMB depart?** Scheduled BKK to CMB nonstops in the next 7 days with service leave between 07:45 and 21:40, local time at Bangkok. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate BKK to CMB nonstop?** In the schedule table on this page, BKK to CMB nonstops fly as UL 403 and UL 405 on SriLankan Airlines, and TG 307 on Thai Airways International. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on BKK to CMB?** Not on this route: 2LNR doesn't show award or upgrade space for any airline flying BKK to CMB. The page carries the full BKK to CMB nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [CMB to BKK nonstop flights](https://2lnr.com/routes/cmb-bkk.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 (BKK)](https://2lnr.com/routes/bkk.md), or [every route from Colombo (CMB)](https://2lnr.com/routes/cmb.md). Nonstops to Colombo (CMB) from other airports within 150 miles of Bangkok (BKK): - [Bangkok (DMK) to Colombo (CMB)](https://2lnr.com/routes/dmk-cmb.md), 19 miles from BKK 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 BKK to CMB 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)