Cheap flights from Colombo to Bangkok

Bandaranaike
CMB
Suvarnabhumi
BKK

Flight deals from Colombo to Bangkok

Below you can see the best deals on flights Colombo — Bangkok for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 1 October, from $175.

Top 10 cheap flights from Colombo to Bangkok

FD
$ 172

Colombo — Bangkok

23:15—04:20
11 Sep 2026
3 h 35 m
Direct flight
FD
$ 172

Colombo — Bangkok

23:15—04:20
13 Sep 2026
3 h 35 m
Direct flight
FD
$ 188

Colombo — Bangkok

23:15—04:20
12 Sep 2026
3 h 35 m
Direct flight
FD
$ 208

Colombo — Bangkok

23:15—04:20
5 Sep 2026
3 h 35 m
Direct flight
FD
$ 208

Colombo — Bangkok

23:15—04:20
7 Sep 2026
3 h 35 m
Direct flight
VJ
FD
$ 232

Colombo — Bangkok

23:00—11:20
12 Sep 2026
10 h 50 m
1 stop
VJ
FD
$ 232

Colombo — Bangkok

23:00—23:05
12 Sep 2026
22 h 35 m
1 stop
VJ
VJ
$ 237

Colombo — Bangkok

23:00—14:45
12 Sep 2026
14 h 15 m
1 stop
FD
$ 239

Colombo — Bangkok

23:15—04:20
9 Sep 2026
3 h 35 m
Direct flight
FD
$ 239

Colombo — Bangkok

23:15—04:20
4 Sep 2026
3 h 35 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

When is the best time to book a flight from Colombo to Bangkok?

The price of a flight from Colombo to Bangkok changes depending on how far ahead you book. For the best chance of a lower fare, book around 27 days before departure, when the average ticket costs about $592. Fares also tend to climb as the departure date gets closer.

About the Colombo — Bangkok flight

Looking for cheap flights from Colombo to Bangkok? Compare fares from different airlines, check the flight schedule and travel time — and book your Colombo — Bangkok ticket online at the best price.

The route has direct flights — around 74 flights per week, flights are operated by SriLankan Airlines, Thai AirAsia, Thai Airways, Myanmar Airways and 6 more airlines, a nonstop flight takes about 3 h 35 min, the distance between the cities is around 2,382 km.

Planning your trip? You may find our Bangkok travel guide, how to get from the airport into town and Bangkok weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $159Min. price
MarchCheapest
AugustPeak season
YesDirect flights
2,382 kmDistance
3 h 35 minTravel time
10Airlines
74 / wkFlights

Flight schedule from Colombo to Bangkok

The table shows direct flights from Colombo to Bangkok on the selected date. The flight takes approximately 3 h 35 min. Regular flights are operated by SriLankan Airlines, Thai AirAsia, Thai Airways and Myanmar Airways. Departures from Bandaranaike International Airport airports, arrivals at Suvarnabhumi Airport and Don Mueang International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 13 Aug 2026

Flight ticket prices by day: Colombo — Bangkok

Below is a calendar of the lowest flight ticket prices for Colombo — Bangkok by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $159 in March, and the most expensive are around $270 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Colombo to Bangkok by month. Tickets are usually cheapest in June (around $194) and priciest in December (about $309) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$303highMay$206lowSep$194low
Feb$279highJun$194lowOct$206low
Mar$243mediumJul$194lowNov$237medium
Apr$230mediumAug$200lowDec$309high

Some values are estimated based on seasonality.

When to fly

Weather in Bangkok: it is warmest in April (up to 35 °C on average) and coolest in December (around 31 °C). The driest month is December.

Tickets are usually cheapest in March and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Bangkok

Dry and wet days · Bangkok

Wind speed and direction · Bangkok

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How to get the best deal on a Colombo — Bangkok ticket

  • Book ahead: fares for Colombo — Bangkok are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Bangkok is usually March — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Colombo — Bangkok route are operated by 10 airlines; SriLankan Airlines runs the most flights (around 49% of all flights). Compare carriers, flight shares and schedules below.

  • SriLankan AirlinesUL
    12x/week
    WebsiteFleet: 244.5M pax/year
    • Direct flight CMB → BKK12x/week
      Duration
      3h 39m
      Days
      MTWTFSS
    48.6%Open →
  • Thai AirAsiaFD
    5x/week
    WebsiteFleet: 5618.9M pax/year
    • Direct flight CMB → DMK5x/week
      Duration
      3h 35m
      Days
      MTWTFSS
    18.9%Open →
  • Thai AirwaysTG
    5x/week
    WebsiteFleet: 7715M pax/year
    • Direct flight CMB → BKK5x/week
      Duration
      3h 45m
      Days
      MTWTFSS
    18.9%Open →
  • Myanmar Airways8M
    1x/week
    WebsiteFleet: 111.2M pax/year
    • Direct flight CMB → BKK1x/week
      Days
      MTWTFSS
    2.7%Open →
  • Air SeychellesHM
    1x/week
    WebsiteFleet: 7200k pax/year
    • Direct flight CMB → BKK1x/week
      Days
      MTWTFSS
    2.7%Open →
  • QantasQF
    1x/week
    WebsiteFleet: 33646M pax/year
    • Direct flight CMB → BKK1x/week
      Days
      MTWTFSS
    2.7%Open →
  • Asiana AirlinesOZ
    1x/week
    WebsiteFleet: 6916M pax/year
    • Direct flight CMB → BKK1x/week
      Days
      MTWTFSS
    1.4%Open →
  • Air CanadaAC
    1x/week
    WebsiteFleet: 20346M pax/year
    • Direct flight CMB → BKK1x/week
      Days
      MTWTFSS
    1.4%Open →
  • FinnairAY
    1x/week
    WebsiteFleet: 7911M pax/year
    • Direct flight CMB → BKK1x/week
      Days
      MTWTFSS
    1.4%Open →
  • Japan AirlinesJL
    1x/week
    WebsiteFleet: 14540M pax/year
    • Direct flight CMB → BKK1x/week
      Days
      MTWTFSS
    1.4%Open →

Cities and airports on the Colombo — Bangkok route

Flights Colombo — Bangkok depart from Bandaranaike International Airport and arrive at Suvarnabhumi Airport and Don Mueang International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Colombo

CMB
Sri Lanka
About the cityHow to get thereWeatherAll about the country Sri Lanka
Arrival

Bangkok

BKK
Thailand
About the cityHow to get thereWeatherAll about the country Thailand
Departure airports
Arrival airports

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Frequently asked questions about the Colombo — Bangkok flight

How long is the flight from Colombo to Bangkok?

A nonstop Colombo — Bangkok flight takes about 3 h 35 min — the distance between the cities is around 2,382 km.

How far is it from Colombo to Bangkok?

The distance from Colombo to Bangkok is about 2,382 km, which a nonstop flight covers in around 3 h 35 min.

Are there direct flights from Colombo to Bangkok?

Yes, there are nonstop flights Colombo — Bangkok — around 74 flights per week.

Which airlines fly from Colombo to Bangkok?

Airlines operating Colombo — Bangkok include SriLankan Airlines, Thai AirAsia, Thai Airways, Myanmar Airways, Air Seychelles. See the full list with schedules in the "Airlines" section on this page.

Which airports do Colombo — Bangkok flights use?

Flights from Colombo depart from Bandaranaike International Airport, and arrive at Suvarnabhumi Airport, Don Mueang International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Colombo to Bangkok?

The price of a Colombo — Bangkok ticket depends on your travel date, season and demand: it is usually cheapest to fly in March, and most expensive in August. Tickets typically cost between $159 and $270. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Colombo — Bangkok?

Flights Colombo — Bangkok are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is March. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Colombo to Bangkok?

To catch a low fare Colombo — Bangkok, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually March.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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