$185 Cheap Flights from Colombo (CMB) to Bangkok (BKK)

View $185 flight on Wed, Jun 18, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Colombo to Bangkok (CMB-BKK)

Prices were available within the past 7 days and start at $185 for one-way flights and $337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Wed, Jun 11 - Fri, Jun 20
CMB
Colombo
BKK
Bangkok
$337 Roundtrip, just found
$337
Roundtrip
just found
Select Air India flight, departing Wed, Jun 11 from Colombo to Bangkok, returning Fri, Jun 20, priced at $337 just found
Air India
Thu, May 15 - Tue, Jun 3
CMB
Colombo
BKK
Bangkok
$340 Roundtrip, just found
$340
Roundtrip
just found
Select Air India flight, departing Thu, May 15 from Colombo to Bangkok, returning Tue, Jun 3, priced at $340 just found
Air India
Thu, May 8 - Wed, May 28
CMB
Colombo
BKK
Bangkok
$344 Roundtrip, just found
$344
Roundtrip
just found
Select Air India flight, departing Thu, May 8 from Colombo to Bangkok, returning Wed, May 28, priced at $344 just found
IndiGo
Wed, Jul 9 - Tue, Jul 15
CMB
Colombo
BKK
Bangkok
$356 Roundtrip, found 1 day ago
$356
Roundtrip
found 1 day ago
Select IndiGo flight, departing Wed, Jul 9 from Colombo to Bangkok, returning Tue, Jul 15, priced at $356 found 1 day ago
Jetstar Asia
Sun, May 18 - Wed, May 21
CMB
Colombo
BKK
Bangkok
$359 Roundtrip, found 4 days ago
$359
Roundtrip
found 4 days ago
Select Jetstar Asia flight, departing Sun, May 18 from Colombo to Bangkok, returning Wed, May 21, priced at $359 found 4 days ago
IndiGo
Wed, Jul 9 - Tue, Jul 15
CMB
Colombo
BKK
Bangkok
$360 Roundtrip, found 1 day ago
$360
Roundtrip
found 1 day ago
Select IndiGo flight, departing Wed, Jul 9 from Colombo to Bangkok, returning Tue, Jul 15, priced at $360 found 1 day ago
Jetstar Asia
Thu, Jun 26 - Fri, Jul 25
CMB
Colombo
BKK
Bangkok
$363 Roundtrip, found 11 hours ago
$363
Roundtrip
found 11 hours ago
Select Jetstar Asia flight, departing Thu, Jun 26 from Colombo to Bangkok, returning Fri, Jul 25, priced at $363 found 11 hours ago
Jetstar Asia
Thu, Jun 26 - Fri, Jul 25
CMB
Colombo
BKK
Bangkok
$367 Roundtrip, found 11 hours ago
$367
Roundtrip
found 11 hours ago
Select Jetstar Asia flight, departing Thu, Jun 26 from Colombo to Bangkok, returning Fri, Jul 25, priced at $367 found 11 hours ago
Malaysia Airlines
Fri, Oct 10 - Sat, Oct 18
CMB
Colombo
BKK
Bangkok
$501 Roundtrip, found 2 days ago
$501
Roundtrip
found 2 days ago
Select Malaysia Airlines flight, departing Fri, Oct 10 from Colombo to Bangkok, returning Sat, Oct 18, priced at $501 found 2 days ago
SriLankan Airlines
Fri, May 16 - Fri, May 30
CMB
Colombo
BKK
Bangkok
$508 Roundtrip, just found
$508
Roundtrip
just found
Select SriLankan Airlines flight, departing Fri, May 16 from Colombo to Bangkok, returning Fri, May 30, priced at $508 just found
Flights from Colombo (CMB) to Bangkok (BKK)
Origin airport
Bandaranaike Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air India, IndiGo, Jetstar Asia, Malaysia Airlines, SriLankan Airlines, Thai Airways International
Roundtrip price
$336
Distance
1486 mi

Colombo to Bangkok Flights

The cheapest times to fly from Colombo to Bangkok

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 Colombo to Bangkok are during the month of June. You can find some of the cheapest flights from Colombo to Bangkok with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Colombo to Bangkok

Sunday is one of the best days to book for cheap flights from Colombo to Bangkok: 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 Colombo to Bangkok

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 Colombo to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $185 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 Colombo to Bangkok 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 Colombo to Bangkok 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 Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK) cost?
You can find affordable return tickets from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK) starting from $509. Reserve your seat and set off on your next adventure. 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 CMB on May 21 2025 and touching down at BKK. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from CMB to BKK?
The cheapest flights from CMB to BKK 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 Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK)?
Hop on a direct flight with SriLankan Airlines and journey straight from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK).
What is the cheapest airline that flies from CMB to BKK?
With prices as low as $338 for a one-way flight from CMB to BKK, Thai Airways International is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CMB on July 5 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK)?
With, on average, 2 nonstop flights that operate from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK) each day, you’ll be up in the air in no time.
What are the most popular departure times for flights from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK)?
More travelers fly between CMB and BKK at 1 AM than at any other time. Rather go when it’s quieter? Try choosing a quieter departure window and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from CMB to BKK?
Wednesday offers the most flights from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK). Consider jetting off on this day and you’ll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK)?
Hop on the earliest flight at around 1:00AM UTC+5, departing from Bandaranaike Intl. Airport (CMB). You’ll be traveling for roughly 3h 40m, reaching Suvarnabhumi Intl. Airport (BKK) at approximately 6:10AM UTC+7.
How long does it take to fly from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK)?
It takes around 3 hours and 38 minutes to cover the 1,500 mi from CMB to BKK.
What airline has the least delays from CMB to BKK?
Consider traveling with Asiana Airlines if you’d like to go straight from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK) without any holdups. This carrier has the best track record for punctuality, with an on-time score of 88%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK)?
To avoid potential delays on the Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK) route, aim to fly before 3 PM. Departures after this time 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 Bangkok from Bandaranaike Intl. Airport (CMB)?
Take a direct flight from Bandaranaike Intl. Airport (CMB) to Bangkok and arrive at Suvarnabhumi Intl. Airport (BKK). An alternative arrival point to this city is Don Mueang Intl. Airport (DMK).
Is it cheaper to buy a plane ticket from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK) last-minute?
Last-minute fares from CMB to BKK are usually more expensive. To secure the cheapest rates, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may score a cheap ticket right before your trip.
Is it cheaper to book a CMB to BKK flight and hotel package?
Compared with arranging hotels and flights separately, booking a CMB to BKK flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK)?
It’s usually possible to reschedule or cancel your CMB to BKK flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.

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