$1,026 Cheap Flights from Colombo (CMB) to Southampton (SOU)

View $1,026 flight on Fri, Sep 12, 2025Opens in a new window

Popular airlines from Bandaranaike Intl. Airport (CMB) to Southampton (SOU)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Colombo to Southampton (CMB-SOU)

Prices were available within the past 7 days and start at $1,026 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Colombo (CMB) to Southampton (SOU)
Origin airport
Bandaranaike Intl.
Destination airport
Southampton
Distance
5452 mi

Colombo to Southampton Flights

The cheapest times to fly from Colombo to Southampton

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

 

The best time to book a flight from Colombo to Southampton

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

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 Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,026 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 Southampton 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 Southampton 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 Southampton Airport (SOU) cost?
Discover the latest flight deals from CMB to SOU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CMB to SOU?
The cheapest flights from CMB to SOU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CMB to SOU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CMB to SOU. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Bandaranaike Intl. Airport (CMB) to Southampton Airport (SOU)?
You'll have to hop on a flight with a layover when traveling from Bandaranaike Intl. Airport (CMB) to Southampton Airport (SOU). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from CMB to SOU?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bandaranaike Intl. Airport (CMB) to Southampton Airport (SOU)?
To avoid potential delays on the Bandaranaike Intl. Airport (CMB) to Southampton Airport (SOU) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Bandaranaike Intl. Airport (CMB) to Southampton Airport (SOU) last-minute?
Last-minute bookings from CMB to SOU are typically more expensive. To lock in the lowest prices, start looking for flights as early as possible. That being said, if you can play around with your travel dates, you may score a cheap fare right before you leave.
Is it cheaper to book a CMB to SOU flight and hotel package?
Opting for a CMB to SOU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of accommodations and then add activities, flights 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 Bandaranaike Intl. Airport (CMB) to Southampton Airport (SOU)?
In most cases, you can reschedule or cancel your CMB to SOU flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want more information, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.