Cheap Flights from Bangkok Suvarnabhumi to Colombo

Compare Bangkok Suvarnabhumi to Colombo flight deals

Find the cheapest month or even day of the year to fly to Colombo

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Flight deals from Bangkok Suvarnabhumi to Colombo

Looking for a cheap last-minute deal or the best return flight from Bangkok Suvarnabhumi Airport to Colombo? If you want to travel next month, return fares start from $668. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Bangkok Suvarnabhumi to Colombo

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok Suvarnabhumi to Colombo flights are currently cheapest in November.

Direct flights from Bangkok Suvarnabhumi to Colombo

Bangkok to Colombo: Flight information

The things to know before you go.
Cheapest flight found$661
Cheapest month to flyNovember
Average flight time3 hrs, 28 mins
Most popular airlineQantas
Average flights per week196

Finding cheap flights from Bangkok Suvarnabhumi to Colombo: Frequently asked questions

There are 5 airports in Colombo: Kelaniya, Colombo Ratmalana, Colombo Bandaranayake, Bentota River, and Katugastota.
The best price we found for a return flight from Bangkok Suvarnabhumi to Colombo is $661. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 28 minutes is the average flight time from Bangkok Suvarnabhumi to Colombo.
Qantas, Finnair and SriLankan Airlines fly direct from Bangkok Suvarnabhumi to Colombo.
As of June 2026, there are 109 flights per week flying from Bangkok Suvarnabhumi to Colombo.
The cheapest month to fly from Bangkok Suvarnabhumi to Colombo is usually November.
If you're flying from Bangkok Suvarnabhumi Airport, the cheapest airport near Colombo is Colombo Bandaranayake – which is 27.5 km away from the centre of Colombo. We've found flights into this airport from $661.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bangkok Suvarnabhumi Airport to Colombo on Thursday, 12 November 2026.
Yes – the average flight time is 3 hours and 28 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Colombo but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Colombo is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 27°C. May is typically the warmest month in Colombo, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is July, with temperatures averaging 25°C. The rainiest month is November.
Currently, Thai Airways offers the cheapest flight tickets to Colombo.

Travelling from Suvarnabhumi Airport (BKK) to Colombo: what you need to know

  • Around 3 hours 40 minutes is how long you can expect to be travelling on a direct flight from Suvarnabhumi Airport to Colombo.

  • Colombo is one hour 30 minutes behind Bangkok, where Suvarnabhumi Airport is located. Colombo observes the UTC+5:30 timezone.

  • Suvarnabhumi Airport (BKK) to Bandaranaike International Airport (CMB) is the most traveled route, with 20 weekly departures to choose from. If you have things to finalize before heading off, the last flight from BKK to CMB is with Thai Airways International at 21:55. Choose the first departure with SriLankan Airlines at 07:45 if you want to get on your way earlier.

  • Leave enough time to make your BKK to Colombo flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer queues during popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • Begin your journey at BKK and fly nonstop to Bandaranaike International Airport (CMB). That's where you can expect to touch down when searching for Suvarnabhumi Airport to Colombo tickets.

  • SriLankan Airlines is a well-known carrier that offers direct flights from Suvarnabhumi Airport to Colombo.

  • Consider adding a stopover to potentially unlock a cheaper plane ticket from BKK to Colombo. Simply uncheck 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these connection hubs:

    • Kuala Lumpur International Airport (KUL)

    • Changi International Airport (SIN)

    • Chennai Airport (MAA)

  • BKK is around 27 kilometres from central Bangkok. If you're catching a cab, driving or ride-sharing from the centre, it'll take 35 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 1 hour 5 minutes.

  • Want a relaxed start to your travels? Stay near BKK. Whether you've booked an early flight from Suvarnabhumi Airport to Colombo or want to avoid feeling rushed, these hotels are all about convenience:

  • Of all flights departing from Suvarnabhumi Airport, 67.87% arrive on time at their destination.

How to find the cheapest flights from Suvarnabhumi Airport (BKK) to Colombo

  • The lowest price we've seen for a one-way Suvarnabhumi Airport to Colombo flight is $316. The cheapest price for a return flight is $661. Keep in mind fares can change due to availability at the time of booking.

  • Book two months before flying. Pricing trends show that this is the ideal window for finding cheap flights from BKK to Colombo.

  • The best month for picking up cheap Suvarnabhumi Airport to Colombo tickets is June. Use the 'Whole month' tool to compare prices, then select the dates with the lowest fares.

  • Save time searching for cheap flights from BKK to Colombo by creating a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.

  • Select your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Suvarnabhumi Airport to Colombo by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Colombo

Colombo Ratmalana Airport (RML)

  • Colombo Ratmalana Airport (RML) to the centre of Colombo takes about 40 minutes by car. The centre is roughly 16 kilometres away.

  • Travelling to the centre by public transport takes about 1 hour 15 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Suvarnabhumi Airport to Colombo. Book one of these accommodation options near RML instead:

Bandaranaike International Airport (CMB)

  • The centre of Colombo is about 32 kilometres from Bandaranaike International Airport (CMB). Once your flight from Suvarnabhumi Airport to Colombo has hit the runway and you've navigated your way to arrivals, the drive should be around 40 minutes.

  • If you're travelling on public transport, it'll take around 1 hour 30 minutes.

  • After stepping off your BKK to Colombo flight, kick back at a hotel close to CMB. These are some great accommodation options that'll help you slip into relaxation mode:

  • Sr Rent A Car, Green Motion and Sixt make collecting a Bandaranaike International Airport rental car easy and quick. These suppliers are located in or around the terminal and will have you on your way in a heartbeat.

  • Secure your first choice, not your last resort. Securing your ride from CMB two weeks in advance often means more savings and a bigger choice of vehicles.

Best time to go to Colombo

  • Before locking in your flights from Suvarnabhumi Airport to Colombo, consider which time of year is best for you. High season in Colombo offers a bustling atmosphere and plenty of things to do, while low season brings better hotel deals and fewer crowds.

  • Before locking in your Suvarnabhumi Airport to Colombo flight ticket, think about what kind of weather works for you. March is the warmest month in Colombo, with temperatures ranging from 24ºC to 33ºC.

  • January has average temperatures of between 22ºC and 32ºC. Look for a cheap ticket from BKK to Colombo around that time if you want to travel when it's cooler.

More about Colombo

  • After booking your flight from Suvarnabhumi Airport to Colombo, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Colombo:

  • Independence Square & Independence Memorial Hall and Gangaramaya Temple are just the start of the popular attractions to add to your Colombo to-do list. Continue your sightseeing adventures at Viharamahadevi Park.

Explore more of Sri Lanka

  • Jaffna is just one of the many places in Sri Lanka waiting to be discovered once you've seen the sights of Colombo. Around 306 kilometres away to the north, top sights here include Jaffna Fort, Dambakola Patuna Sangamitta Temple and Jaffna Public Library.

  • If you're eager to discover another corner of Sri Lanka, consider Trincomalee, roughly 241 kilometres north-east of Colombo. Koneswaram Temple, Fort Frederick and Marble Beach are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.