BKK - CMB

£138 Find Cheap Flights from Bangkok to Colombo – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£246
Typical prices: £284-£335
Air India
Sat 8/12Sat 15/12
BKK - CMB • 1 stop
Cheapest direct flights
£284
Typical prices: £285-£335
Thai Airways
Sun 9/12Sat 15/12
BKK - CMB • Direct
Direct flights
Every day
You can fly direct with SriLankan Airlines and Thai Airways. Average duration is 3h 33m
Direct flights
+1
Direct flights
+1
Avoid delays
Thai Airways
Most punctual • 94% on-time
Morning
Best time • Fewest delays
Insights
Insights
When to book
13 weeks
in advance
Our data shows that travellers who book at least 13 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 9% price drop
January
Most popular
Good to know
+1
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Colombo Bandaranaike Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Bangkok to Colombo (BKK-CMB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Bangkok to Colombo

Tue, 8 Dec - Tue, 15 Dec
Air India Logo
06:50 - 04:10BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
22h 50m1 stop New Delhi Indira Gandhi Intl
Air India Logo
16:15 - 19:40CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
25h 55m1 stop Mumbai Chhatrapati Shivaji Intl
£246Air India
Wed, 9 Dec - Wed, 16 Dec
Air India Logo
06:50 - 18:15BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
12h 55m1 stop New Delhi Indira Gandhi Intl
Air India Logo
09:40 - 19:40CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
8h 30m1 stop Mumbai Chhatrapati Shivaji Intl
£253Air India
Mon, 16 Nov - Thu, 3 Dec
Air India Logo
06:50 - 16:05BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
10h 45m1 stop New Delhi Indira Gandhi Intl
Air India Logo
16:15 - 19:40CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
25h 55m1 stop Mumbai Chhatrapati Shivaji Intl
£265Air India
Wed, 9 Dec - Tue, 15 Dec
Thai Airways Logo
21:55 - 00:01BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 36mdirect
Thai Airways Logo
01:00 - 06:10CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 40mdirect
£284Thai Airways
Sun, 22 Nov - Tue, 1 Dec
SriLankan Airlines Logo
13:55 - 15:55BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 30mdirect
SriLankan Airlines Logo
07:30 - 12:35CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 35mdirect
£291SriLankan Airlines
Mon, 16 Nov - Thu, 3 Dec
SriLankan Airlines Logo
08:10 - 10:10BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 30mdirect
SriLankan Airlines Logo
07:30 - 12:35CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 35mdirect
£291SriLankan Airlines
Tue, 8 Dec - Tue, 15 Dec
SriLankan Airlines Logo
13:55 - 15:55BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 30mdirect
SriLankan Airlines Logo
07:30 - 12:35CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 35mdirect
£291SriLankan Airlines
Sun, 22 Nov - Tue, 1 Dec
SriLankan Airlines Logo
13:55 - 15:55BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 30mdirect
SriLankan Airlines Logo
07:30 - 12:35CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
3h 35mdirect
£291SriLankan Airlines
Wed, 9 Dec - Wed, 16 Dec
Multiple Airlines Logo
21:55 - 00:01BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
3h 36mdirect
Multiple Airlines Logo
05:10 - 21:15CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
14h 35m1 stop New Delhi Indira Gandhi Intl
£300Multiple Airlines
Wed, 9 Dec - Wed, 16 Dec
Vietnam Airlines Logo
11:20 - 00:40BKK  Bangkok Suvarnabhumi-CMB Colombo Bandaranaike Intl
14h 50m1 stop Ho Chi Minh City
Vietnam Airlines Logo
01:55 - 13:10CMB  Colombo Bandaranaike Intl-BKK Bangkok Suvarnabhumi
9h 45m1 stop Ho Chi Minh City
£303Vietnam Airlines
Booking Insights

Price, demand, and travel trends for Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

Return flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport typically range from £284 to £335. The lowest price found in the past 5 days was £246 on Air India.

What's the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport. It’s 6% cheaper than the average day, while Saturday is the most expensive, with prices 6% higher.

What is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

•January is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport at £284 return.
•July (£336) and May (£336) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 18% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport the cheapest?

Flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport are cheapest 13 weeks before departure. Booking in this window typically costs about 18% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals
Expert advice

Expert advice for your flight from Bangkok to Colombo

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SriLankan Airlines and CMB

An avid traveller and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg, among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Robert Schrader

Robert Schrader

Expert on Thai Airways

One of the web's original travel bloggers, Robert launched his first site, Leave Your Daily Hell, in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Duncan Madden

Duncan Madden

Expert on BKK

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more

Key details for Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights

Low season

September

Cheapest flight

£138
Beat the crowds with an average 56% drop in traveller numbers.
The most popular month to fly with an average 94% increase in traveller numbers.
One-way flight from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport

When to book flights from Bangkok to Colombo

Are your dates flexible? Find out the best times to travel from Bangkok to Colombo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    These are the earliest and latest flight times available from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport:

    • Earliest: departs at 08:10 and lands at 11:43
    • Latest: departs at 21:55 and lands at 01:28.

    The flight takes about 3h 33m.

  • Which cabin classes can I book on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Only Economy class is available on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport.

  • How long is a flight from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    A direct flight from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport takes 3h 33m, covering 1,486 miles.

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flight?

    Return flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport range from £284 to £335, with an average of £312 over the past 12 months. Anything below £284 counts as a good deal.

  • How expensive are last-minute Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 2% above the £312 route average. Book 13 weeks before departure for the lowest fares.

  • What is the standard checked bag allowance on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £26–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Thai Airways and SriLankan Airlines. Other aircraft seen on the route include Airbus A321 (sharklets) variants.

  • How are flight departures from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport spread across the day?

    Morning is the busiest departure period on Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights, with 34% leaving in that window. Afternoon departures account for 33%, Night flights for 33%, and Evening flights for 0%.

  • How are flight prices from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport are currently in line with typical prices for this route. Average one-way fares are about £154.

  • Which car hire options are available at Colombo Bandaranaike Intl Airport (CMB)?

    Colombo Bandaranaike Intl Airport (CMB) hosts 5 major car hire companies, with daily rates starting from around £16 for economy cars. Top options include:

    • GREEN MOTION
    • Xdrive Mobility
    • Ace
    • AcaRent
    • SR RENT A CAR

  • Which airports can I use when flying from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport usually depart from Bangkok Suvarnabhumi (BKK) and arrive at Colombo Bandaranaike Intl (CMB).

  • What time of day has the fewest delays on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed on the route from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport route, 11% of flights were delayed in the past three months, with delays averaging 1h 54m.

  • Can I save money by using flexible dates for flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    Yes. Flexible dates can save you up to 13% on flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport. Thursday is the cheapest departure day at £293 return on average, while Saturday is the most expensive at £333, a difference of £40.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport?

    2 airlines operate flights between Bangkok Suvarnabhumi Airport and Colombo Bandaranaike Intl Airport. The airlines offering direct flights on this route include:

    • SriLankan Airlines
    • Thai Airways

  • What is the time difference between Bangkok Suvarnabhumi Airport and Colombo Bandaranaike Intl Airport?

    Colombo Bandaranaike Intl Airport is 1 hour behind Bangkok Suvarnabhumi Airport (India Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which airlines offer extra legroom and free seat selection on Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights?

    Among airlines operating Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights:

    • SriLankan Airlines: offers free seat selection
    • Thai Airways: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • SriLankan Airlines: a cabin bag and a checked bag in Economy class
    • Thai Airways: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average £293, about £40 less than Saturday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 13 weeks before you fly. On this route, that window historically saves about 18% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport trip for January. Fares historically average £284 return in that month – typically £52 less than the most expensive month, which is May (based on the last 12 months).
  • For the best chance of arriving on time, fly with Thai Airways. Over the past three months, 94% of Thai Airways flights from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport arrived on time, slightly above the route average of 89%. When flights on this route arrive late, they're delayed by an average of 1h 54m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.

Prefer to fly direct from Bangkok to Colombo?

 
Find which airlines fly direct from Bangkok Suvarnabhumi Airport to Colombo Bandaranaike Intl Airport, which days they fly and book direct flights.

Direct departures

Bangkok Suvarnabhumi to Colombo Bandaranaike Intl

Monday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Tuesday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Wednesday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Thursday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Friday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Saturday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Sunday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

See more direct flights

Direct returns

Colombo Bandaranaike Intl to Bangkok Suvarnabhumi

Monday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Tuesday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Wednesday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Thursday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Friday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Saturday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

Sunday

SriLankan Airlines,Thai Airways

SriLankan Airlines,Thai Airways

See more direct flights

More options for your flight from Bangkok to Colombo

Complete your trip to Colombo with a hotel stay or car hire

Car hire in Colombo
Hotels in Colombo
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