$375 Cheap Flights from Colombo (CMB) to Busan (PUS)

View $375 flight on Wed, May 13, 2026Opens in a new window

Popular airlines from Bandaranaike Intl. Airport (CMB) to Gimhae Airport (PUS)

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Cheap Flights from Colombo to Busan (CMB-PUS)

Prices were available within the past 7 days and start at $375 for one-way flights and $636 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$636 Roundtrip, found 4 days ago
$636
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $636 found 4 days ago
China Eastern Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$734 Roundtrip, found 4 days ago
$734
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $734 found 4 days ago
China Eastern Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$746 Roundtrip, found 4 days ago
$746
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $746 found 4 days ago
China Eastern Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$756 Roundtrip, found 4 days ago
$756
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $756 found 4 days ago
China Eastern Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$764 Roundtrip, found 4 days ago
$764
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $764 found 4 days ago
China Eastern Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$834 Roundtrip, found 4 days ago
$834
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $834 found 4 days ago
China Eastern Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$844 Roundtrip, found 4 days ago
$844
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $844 found 4 days ago
Air China
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$850 Roundtrip, found 4 days ago
$850
Roundtrip
found 4 days ago
Select Air China flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $850 found 4 days ago
SriLankan Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$974 Roundtrip, found 4 days ago
$974
Roundtrip
found 4 days ago
Select SriLankan Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $974 found 4 days ago
Singapore Airlines
Mon, Mar 9 - Fri, Mar 13
CMB
Colombo
PUS
Busan
$1,215 Roundtrip, found 4 days ago
$1,215
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Mon, Mar 9 from Colombo to Busan, returning Fri, Mar 13, priced at $1,215 found 4 days ago

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Frequently asked questions

How much does a flight from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae) cost?
You can find cheap one-way flights from $375 and cheap return flights from $636 Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae) with Expedia. One-way flights generally range between $546 and $1966. 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 Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae)?
The cheapest month to fly from CMB to PUS is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae)?
Enter CMB to PUS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae)?
Cathay Pacific, Etihad Airways and Emirates are just some of the carriers that fly from Colombo (CMB) to Busan (PUS). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae)?
To find a cheap flight from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae), 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 time to fly from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae)?
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.
What is the earliest flight from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae)?
The earliest flight from Colombo (CMB) to Busan (PUS) usually departs at around 12:45 AM local time, operated by Cathay Pacific and China Airlines. This seasonal service is available in October, making it a great option for travelers looking to explore Busan during that time. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae)?
The most popular departure times for flights from Colombo (CMB) to Busan (PUS) are from 12am to 3am. This time is chosen by about 58% of passengers, making it a convenient option for those looking to travel overnight. Many major carriers, including Cathay Pacific, operate flights during this time.
How long does it take to fly from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae)?
A flight from CMB to PUS with a layover takes around 11 hours 50 minutes, with the route covering approximately 3,654 miles. 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 Busan (PUS-Gimhae)?
Business class seats are offered on the CMB to PUS route with Cathay Pacific and China Eastern Airlines.
How do I earn miles on a Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae) flight with Expedia?
It's easy to earn miles on a Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae) 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 Busan from Bandaranaike Intl. (CMB)?
If you're planning to travel to Busan from Bandaranaike Intl. (CMB), you can fly into Gimhae (PUS) Some flights may connect through major hubs like Hong Kong Intl. (HKG), Abu Dhabi Intl. (AUH), Changi (SIN) before reaching Busan. 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 Busan (PUS-Gimhae) at the last minute?
Typically, booking a last minute flight from Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae) 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 Busan (PUS-Gimhae) flight and hotel package?
Securing a Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae) Busan Vacation Packages 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 Busan (PUS-Gimhae)?
If you booked your Colombo (CMB-Bandaranaike Intl.) to Busan (PUS-Gimhae) 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
Gimhae
Roundtrip price
$636
Distance
3654 mi

Book with confidence

Colombo to Busan Flights

The cheapest times to fly from Colombo to Busan

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

 

The best time to book a flight from Colombo to Busan

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

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 Busan in 2026. You can also book with separate airlines for your outbound and return journeys, from $375 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 Busan 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 Busan 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.

 

Colombo to Busan Flights

*Flight schedules are subject to change.

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*Available to One Key members.