$142 Cheap Flights from Bangkok (BKK) to Colombo (CMB)

View $142 flight on Fri, Aug 22, 2025Opens in a new window

Popular airlines from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB)

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Cheap Flights from Bangkok to Colombo (BKK-CMB)

Prices were available within the past 7 days and start at $142 for one-way flights and $355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar Asia
Wed, Jul 16 - Thu, Jul 24
BKK
Bangkok
CMB
Colombo
$355 Roundtrip, found 4 days ago
$355
Roundtrip
found 4 days ago
Select Jetstar Asia flight, departing Wed, Jul 16 from Bangkok to Colombo, returning Thu, Jul 24, priced at $355 found 4 days ago
Jetstar Asia
Wed, Jul 16 - Thu, Jul 24
BKK
Bangkok
CMB
Colombo
$363 Roundtrip, found 4 days ago
$363
Roundtrip
found 4 days ago
Select Jetstar Asia flight, departing Wed, Jul 16 from Bangkok to Colombo, returning Thu, Jul 24, priced at $363 found 4 days ago
Jetstar Asia
Wed, Jul 16 - Thu, Jul 24
BKK
Bangkok
CMB
Colombo
$371 Roundtrip, found 4 days ago
$371
Roundtrip
found 4 days ago
Select Jetstar Asia flight, departing Wed, Jul 16 from Bangkok to Colombo, returning Thu, Jul 24, priced at $371 found 4 days ago
Jetstar Asia
Wed, Jul 16 - Thu, Jul 24
BKK
Bangkok
CMB
Colombo
$371 Roundtrip, found 4 days ago
$371
Roundtrip
found 4 days ago
Select Jetstar Asia flight, departing Wed, Jul 16 from Bangkok to Colombo, returning Thu, Jul 24, priced at $371 found 4 days ago
Jetstar Asia
Wed, Jul 16 - Thu, Jul 24
BKK
Bangkok
CMB
Colombo
$379 Roundtrip, found 4 days ago
$379
Roundtrip
found 4 days ago
Select Jetstar Asia flight, departing Wed, Jul 16 from Bangkok to Colombo, returning Thu, Jul 24, priced at $379 found 4 days ago
Jetstar Asia
Wed, Jul 16 - Thu, Jul 24
BKK
Bangkok
CMB
Colombo
$379 Roundtrip, found 4 days ago
$379
Roundtrip
found 4 days ago
Select Jetstar Asia flight, departing Wed, Jul 16 from Bangkok to Colombo, returning Thu, Jul 24, priced at $379 found 4 days ago
IndiGo
Fri, Aug 1 - Fri, Aug 8
BKK
Bangkok
CMB
Colombo
$391 Roundtrip, found 2 days ago
$391
Roundtrip
found 2 days ago
Select IndiGo flight, departing Fri, Aug 1 from Bangkok to Colombo, returning Fri, Aug 8, priced at $391 found 2 days ago
Air India
Tue, Jul 22 - Wed, Jul 23
BKK
Bangkok
CMB
Colombo
$407 Roundtrip, found 1 day ago
$407
Roundtrip
found 1 day ago
Select Air India flight, departing Tue, Jul 22 from Bangkok to Colombo, returning Wed, Jul 23, priced at $407 found 1 day ago
SriLankan Airlines
Sat, Jul 19 - Sat, Jul 26
BKK
Bangkok
CMB
Colombo
$415 Roundtrip, found 4 hours ago
$415
Roundtrip
found 4 hours ago
Select SriLankan Airlines flight, departing Sat, Jul 19 from Bangkok to Colombo, returning Sat, Jul 26, priced at $415 found 4 hours ago
Thai Airways International
Thu, Feb 5 - Thu, Feb 26
BKK
Bangkok
CMB
Colombo
$496 Roundtrip, found 4 hours ago
$496
Roundtrip
found 4 hours ago
Select Thai Airways International flight, departing Thu, Feb 5 from Bangkok to Colombo, returning Thu, Feb 26, priced at $496 found 4 hours ago

Find the cheapest month to fly from Bangkok (BKK) to Colombo (CMB)

October is typically the cheapest month to fly

From $208 - $399 per traveler.

Graph displaying average flight prices per month

Alternative airports near Colombo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bandaranaike Intl. CMB. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $387
CMB
Bandaranaike Intl.
Cheapest
Average driving time to city center28 min
Flights from $387
Flights from Bangkok (BKK) to Colombo (CMB)
Origin airport
Suvarnabhumi Intl.
Destination airport
Bandaranaike Intl.
Airlines serving
Air India, IndiGo, Malaysia Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International
Roundtrip price
$354
Distance
1486 mi
Average flight time
1 hour 58 mins

Bangkok to Colombo Flights

The cheapest times to fly from Bangkok to Colombo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bangkok to Colombo are during the month of July. You can find some of the cheapest flights from Bangkok to Colombo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bangkok to Colombo

Sunday is one of the best days to book for cheap flights from Bangkok to Colombo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bangkok to Colombo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bangkok to Colombo in 2025. You can also book with separate airlines for your outbound and return journeys, from $142 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bangkok to Colombo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bangkok to Colombo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB) cost?
You can find cheap return flights from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB) starting from $415. Grab your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a SriLankan Airlines flight leaving BKK on August 7 2025 and touching down at CMB. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from BKK to CMB?
The cheapest flights from BKK to CMB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB)?
Hop on a direct flight with SriLankan Airlines and go straight from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB).
What is the cheapest airline that flies from BKK to CMB?
Currently, the cheapest carrier operating one-way flights from BKK to CMB is SriLankan Airlines. You can jet off on this route from $207. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BKK on September 29 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB)?
Every day, an average of 2 direct flights take off from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB). Choose the departure time that best fits your itinerary.
What are the most popular departure times for flights from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB)?
The 9 PM departures from BKK to CMB are the top choice for many travelers. Prices can be higher for these popular slots. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from BKK to CMB?
Wednesday has the most flights from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB). Consider jetting off on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB)?
Take the earliest flight at around 9:00AM UTC+7, heading out of Suvarnabhumi Intl. Airport (BKK). You'll be traveling for roughly 3h 30m, coming in to land at Bandaranaike Intl. Airport (CMB) at approximately 11:00AM UTC+5.
How long does it take to fly from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB)?
The average flight duration from BKK to CMB is 3 hours and 34 minutes, covering a distance of 1,500 mi.
What airline has the least delays from BKK to CMB?
Thai Airways International has the strongest track record for on-time direct flights from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB), with an on-time rating of 93%. Use the Expedia App to look up your flight schedule before you leave and get notified of any trip changes.
What is the best time to fly from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB)?
To avoid potential delays on the Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Colombo from Suvarnabhumi Intl. Airport (BKK)?
If you're on a direct flight from Suvarnabhumi Intl. Airport (BKK) to Colombo, Bandaranaike Intl. Airport (CMB) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB) last-minute?
Booking your flight from BKK to CMB right before your journey is generally more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a BKK to CMB flight and hotel package?
Booking a BKK to CMB flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Suvarnabhumi Intl. Airport (BKK) to Bandaranaike Intl. Airport (CMB)?
Usually, it's possible to cancel or reschedule your BKK to CMB flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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