$521 Cheap Flights from Louisville (SDF) to Southampton (SOU)

View $521 flight on Sun, Nov 30, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Southampton (SOU)

Cheap Flights from Louisville to Southampton (SDF-SOU)

Prices were available within the past 7 days and start at $521 for one-way flights and $806 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Thu, Dec 4 - Thu, Dec 11
SDF
Louisville
SOU
Southampton
$806 Roundtrip, found 4 days ago
$806
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Thu, Dec 4 from Louisville to Southampton, returning Thu, Dec 11, priced at $806 found 4 days ago
Virgin Atlantic
Thu, Dec 4 - Thu, Dec 11
SDF
Louisville
SOU
Southampton
$812 Roundtrip, found 4 days ago
$812
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Thu, Dec 4 from Louisville to Southampton, returning Thu, Dec 11, priced at $812 found 4 days ago
Virgin Atlantic
Thu, Dec 4 - Thu, Dec 11
SDF
Louisville
SOU
Southampton
$817 Roundtrip, found 4 days ago
$817
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Thu, Dec 4 from Louisville to Southampton, returning Thu, Dec 11, priced at $817 found 4 days ago
Virgin Atlantic
Thu, Dec 4 - Thu, Dec 11
SDF
Louisville
SOU
Southampton
$831 Roundtrip, found 4 days ago
$831
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Thu, Dec 4 from Louisville to Southampton, returning Thu, Dec 11, priced at $831 found 4 days ago
Virgin Atlantic
Thu, Dec 4 - Thu, Dec 11
SDF
Louisville
SOU
Southampton
$837 Roundtrip, found 4 days ago
$837
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Thu, Dec 4 from Louisville to Southampton, returning Thu, Dec 11, priced at $837 found 4 days ago
Delta
Sun, Nov 9 - Fri, Nov 21
SDF
Louisville
SOU
Southampton
$846 Roundtrip, found 6 days ago
$846
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Nov 9 from Louisville to Southampton, returning Fri, Nov 21, priced at $846 found 6 days ago
Delta
Mon, Nov 10 - Tue, Nov 25
SDF
Louisville
SOU
Southampton
$851 Roundtrip, found 6 days ago
$851
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 10 from Louisville to Southampton, returning Tue, Nov 25, priced at $851 found 6 days ago
KLM
Tue, Nov 4 - Fri, Nov 14
SDF
Louisville
SOU
Southampton
$872 Roundtrip, found 6 days ago
$872
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Nov 4 from Louisville to Southampton, returning Fri, Nov 14, priced at $872 found 6 days ago
Aer Lingus
Wed, Nov 26 - Sun, Nov 30
SDF
Louisville
SOU
Southampton
$979 Roundtrip, found 1 day ago
$979
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Nov 26 from Louisville to Southampton, returning Sun, Nov 30, priced at $979 found 1 day ago
Aer Lingus
Wed, Nov 26 - Sun, Nov 30
SDF
Louisville
SOU
Southampton
$991 Roundtrip, found 1 day ago
$991
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Nov 26 from Louisville to Southampton, returning Sun, Nov 30, priced at $991 found 1 day ago

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Southampton Airport (SOU) cost?
Snag a cheap one-way flight from $521 or cheap return flight from $806 from Louisville Intl. Airport (SDF) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Southampton Airport (SOU)?
December is the least expensive month to fly from SDF to SOU. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Southampton Airport (SOU)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SDF to SOU. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Louisville Intl. Airport (SDF) to Southampton Airport (SOU)?
Direct flights from Louisville Intl. Airport (SDF) to Southampton Airport (SOU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to SOU?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Southampton Airport (SOU)?
To land at Southampton Airport (SOU) on schedule, choose a flight that takes off from Louisville Intl. Airport (SDF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Louisville Intl. Airport (SDF) to Southampton Airport (SOU) last-minute?
Last-minute fares from SDF to SOU are typically more expensive. For the lowest prices, start searching for flights as soon as possible. That being said, if you're flexible with your travel dates, you may land a cheap ticket right before your journey.
Is it cheaper to book a SDF to SOU flight and hotel package?
You can save money by booking a SDF 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 it all in one convenient place. After selecting your ideal flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Southampton Airport (SOU)?
If you reserved your SDF to SOU flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare 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, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Louisville Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus
Roundtrip price
$806
Distance
4013 mi

Book with confidence

Louisville to Southampton Flights

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

 

The best time to book a flight from Louisville to Southampton

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $521 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 Louisville 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 Louisville 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.

 

Louisville to Southampton Flights

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*Available to One Key members.