CA $382 Cheap Flights from Colombo (CMB) to Bangkok (BKK)

View CA $382 flight on Mon, May 18, 2026Opens in a new window

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

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Cheap flights from Colombo (CMB) to Bangkok (BKK)

Prices were available within the past 7 days and start at CA $382 for one-way flights and CA $615 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SriLankan Airlines
Thu, Jun 4 - Wed, Jun 17
CMB
Colombo
BKK
Bangkok
CA $615 Roundtrip, found 3 days ago
CA $615
Roundtrip
found 3 days ago
Select SriLankan Airlines flight, departing Thu, Jun 4 from Colombo to Bangkok, returning Wed, Jun 17, priced at CA $615 found 3 days ago
SriLankan Airlines
Thu, Jun 11 - Sat, Jun 13
CMB
Colombo
BKK
Bangkok
CA $616 Roundtrip, found 3 hours ago
CA $616
Roundtrip
found 3 hours ago
Select SriLankan Airlines flight, departing Thu, Jun 11 from Colombo to Bangkok, returning Sat, Jun 13, priced at CA $616 found 3 hours ago
SriLankan Airlines
Thu, Jun 4 - Mon, Jun 22
CMB
Colombo
BKK
Bangkok
CA $631 Roundtrip, found 3 days ago
CA $631
Roundtrip
found 3 days ago
Select SriLankan Airlines flight, departing Thu, Jun 4 from Colombo to Bangkok, returning Mon, Jun 22, priced at CA $631 found 3 days ago
SriLankan Airlines
Thu, May 28 - Thu, Jun 11
CMB
Colombo
BKK
Bangkok
CA $632 Roundtrip, found 3 days ago
CA $632
Roundtrip
found 3 days ago
Select SriLankan Airlines flight, departing Thu, May 28 from Colombo to Bangkok, returning Thu, Jun 11, priced at CA $632 found 3 days ago
Singapore Airlines
Wed, Feb 17 - Wed, Feb 24
CMB
Colombo
BKK
Bangkok
CA $633 Roundtrip, found 4 days ago
CA $633
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Wed, Feb 17 from Colombo to Bangkok, returning Wed, Feb 24, priced at CA $633 found 4 days ago
Singapore Airlines
Thu, Sep 10 - Thu, Sep 17
CMB
Colombo
BKK
Bangkok
CA $634 Roundtrip, found 5 days ago
CA $634
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Thu, Sep 10 from Colombo to Bangkok, returning Thu, Sep 17, priced at CA $634 found 5 days ago
Singapore Airlines
Sun, Aug 23 - Sun, Aug 30
CMB
Colombo
BKK
Bangkok
CA $636 Roundtrip, found 7 hours ago
CA $636
Roundtrip
found 7 hours ago
Select Singapore Airlines flight, departing Sun, Aug 23 from Colombo to Bangkok, returning Sun, Aug 30, priced at CA $636 found 7 hours ago
Malaysia Airlines
Sun, Aug 9 - Thu, Aug 20
CMB
Colombo
BKK
Bangkok
CA $656 Roundtrip, found 3 days ago
CA $656
Roundtrip
found 3 days ago
Select Malaysia Airlines flight, departing Sun, Aug 9 from Colombo to Bangkok, returning Thu, Aug 20, priced at CA $656 found 3 days ago
IndiGo
Sat, May 23 - Wed, May 27
CMB
Colombo
BKK
Bangkok
CA $659 Roundtrip, found 3 days ago
CA $659
Roundtrip
found 3 days ago
Select IndiGo flight, departing Sat, May 23 from Colombo to Bangkok, returning Wed, May 27, priced at CA $659 found 3 days ago
Air India
Sat, May 30 - Wed, Jun 3
CMB
Colombo
BKK
Bangkok
CA $660 Roundtrip, found 5 days ago
CA $660
Roundtrip
found 5 days ago
Select Air India flight, departing Sat, May 30 from Colombo to Bangkok, returning Wed, Jun 3, priced at CA $660 found 5 days ago

Alternative airports near Bangkok

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

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city centre is 23 minutes. Flights from CA $661
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city centre23 min
Flights from CA $661

Frequently asked questions

How much does a flight from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) cost?
One-way flights typically cost between £353 and £979 and return flights often range between £353 and £979. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
Which airlines fly direct from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Enter CMB to BKK and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
To find a cheap flight from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The best airline to fly with from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) will differ from traveller to traveller. If you like to fly early, TG offers early morning flights. If price is the most important factor, UL typically offers the lowest fares. UL offers the most daily flights from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
When flying from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), you'll find approximately 3 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 35 connecting flights per day. Some common connection points include Changi (SIN), Kuala Lumpur Intl. (KUL), and Hamad Intl. (DOH).
What is the earliest flight from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The earliest flight from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) typically departs at approximately 12:05 AM local time, operated by MH. This is a seasonal service active in April, May, June, July, August, September, and October. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
You'll typically find the most flights from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) on a Saturday, with around 28 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include 6E, EK, and UL. Saturday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The most popular departure times for flights from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) are in the early morning, from 12am to 3am. About 45% of passengers prefer this time. Many major carriers, including Thai Airways, Malaysia Airlines and Cathay Pacific, offer flights during this window. This timing works well because it allows for an early arrival in Bangkok, giving you more time to start your day.
How long does it take to fly from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
A nonstop flight from CMB to BKK typically takes around 3 hours 50 minutes, covering approximately 1,486 miles. Connecting flights on this route usually add 16 hours 10 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Select the "Business class" and "First class" filters when looking for CMB to BKK flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
A direct, return business class ticket from Colombo (CMB) to Bangkok (BKK) typically costs between £1,865 - £2,655. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight with Expedia?
It's easy to earn miles on a Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Bangkok from Bandaranaike Intl. (CMB)?
From Bandaranaike Intl. (CMB), you can fly into Suvarnabhumi Intl. (BKK) and Don Mueang Intl. (DMK) in Bangkok. Some flights may connect through major hubs like Velana Intl. (MLE), Dubai Intl. (DXB), Kuala Lumpur Intl. (KUL) before reaching Bangkok. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) at the last minute?
Typically, booking a last minute flight from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package?
Securing a Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
If you booked your Colombo (CMB-Bandaranaike Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Bandaranaike Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air China, Air India, Cathay Pacific, Emirates, IndiGo, Malaysia Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International
Roundtrip price
CA $615
Distance
2378 km
Average flight time
5 hours 11 mins

Book with confidence

Seeduwa - Katunayake to Bangkok Flights

The easy way to book your flights from Colombo to Bangkok 

With Expedia, it’s simple to find and book flights to Bangkok from Colombo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Suvarnabhumi Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Colombo to Bangkok today, tomorrow, or this week.  

 

Save dollars with cheap flights from Bandaranaike Intl., CMB to Suvarnabhumi Intl., BKK 

Sort your search results by price to find great deals on your flight from Colombo to Bangkok—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Bangkok from Colombo currently is just CA $615 rising to CA $660.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Bangkok  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Bangkok from Colombo 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Bangkok with Expedia today.

Seeduwa - Katunayake to Bangkok Flights

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*Available to Expedia members.