$181 Cheap Flights from London (LHR) to Southampton (SOU)

View $181 flight on Thu, Dec 4, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Southampton (SOU)

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Cheap Flights from London to Southampton (LHR-SOU)

Prices were available within the past 7 days and start at $181 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Southampton Airport (SOU) cost?
Snag a cheap one-way flight from $181 or cheap return flight from Heathrow Airport (LHR) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Southampton Airport (SOU)?
The cheapest month to fly from LHR to SOU is , when there's less demand. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Southampton Airport (SOU)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from LHR to SOU. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Heathrow Airport (LHR) to Southampton Airport (SOU)?
Nonstop flights from Heathrow Airport (LHR) to Southampton Airport (SOU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LHR to SOU?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Southampton Airport (SOU)?
Select a flight from Heathrow Airport (LHR) to Southampton Airport (SOU) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 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 Heathrow Airport (LHR) to Southampton Airport (SOU) last-minute?
Booking your ticket from LHR to SOU shortly before your trip is typically more expensive. But if there's some wiggle room with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a LHR to SOU flight and hotel package?
You'll generally save money by booking a LHR to SOU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Southampton Airport (SOU)?
In most cases, you can cancel or modify your LHR to SOU flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
Heathrow
Destination airport
Southampton
Distance
53 mi

Book with confidence

London to Southampton Flights

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

 

The best time to book a flight from London to Southampton

Sunday is one of the best days to book for cheap flights from London 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 London 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 London to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $181 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 London 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 London 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.

 

London to Southampton Flights

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*Available to One Key members.