$190 Cheap Flights from Southampton (SOU) to Alderney (ACI)

View $190 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Southampton (SOU) to Alderney (ACI)

Cheap Flights from Southampton to Alderney (SOU-ACI)

Prices were available within the past 7 days and start at $190 for one-way flights and $344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aurigny Air Services
Mon, Dec 1 - Mon, Dec 15
SOU
Southampton
ACI
Alderney
$344 Roundtrip, found 2 days ago
$344
Roundtrip
found 2 days ago
Select Aurigny Air Services flight, departing Mon, Dec 1 from Southampton to Alderney, returning Mon, Dec 15, priced at $344 found 2 days ago
Aurigny Air Services
Mon, Dec 1 - Sun, Dec 21
SOU
Southampton
ACI
Alderney
$394 Roundtrip, found 2 days ago
$394
Roundtrip
found 2 days ago
Select Aurigny Air Services flight, departing Mon, Dec 1 from Southampton to Alderney, returning Sun, Dec 21, priced at $394 found 2 days ago
Aurigny Air Services
Mon, Dec 1 - Wed, Dec 17
SOU
Southampton
ACI
Alderney
$414 Roundtrip, found 2 days ago
$414
Roundtrip
found 2 days ago
Select Aurigny Air Services flight, departing Mon, Dec 1 from Southampton to Alderney, returning Wed, Dec 17, priced at $414 found 2 days ago
Aurigny Air Services
Mon, Dec 1 - Thu, Dec 18
SOU
Southampton
ACI
Alderney
$420 Roundtrip, found 2 days ago
$420
Roundtrip
found 2 days ago
Select Aurigny Air Services flight, departing Mon, Dec 1 from Southampton to Alderney, returning Thu, Dec 18, priced at $420 found 2 days ago
Aurigny Air Services
Thu, Dec 4 - Thu, Dec 18
SOU
Southampton
ACI
Alderney
$422 Roundtrip, found 1 day ago
$422
Roundtrip
found 1 day ago
Select Aurigny Air Services flight, departing Thu, Dec 4 from Southampton to Alderney, returning Thu, Dec 18, priced at $422 found 1 day ago
Aurigny Air Services
Thu, Dec 4 - Thu, Dec 18
SOU
Southampton
ACI
Alderney
$424 Roundtrip, found 1 day ago
$424
Roundtrip
found 1 day ago
Select Aurigny Air Services flight, departing Thu, Dec 4 from Southampton to Alderney, returning Thu, Dec 18, priced at $424 found 1 day ago
Aurigny Air Services
Mon, Dec 1 - Fri, Dec 19
SOU
Southampton
ACI
Alderney
$427 Roundtrip, found 2 days ago
$427
Roundtrip
found 2 days ago
Select Aurigny Air Services flight, departing Mon, Dec 1 from Southampton to Alderney, returning Fri, Dec 19, priced at $427 found 2 days ago
Aurigny Air Services
Thu, Dec 4 - Thu, Dec 18
SOU
Southampton
ACI
Alderney
$429 Roundtrip, found 1 day ago
$429
Roundtrip
found 1 day ago
Select Aurigny Air Services flight, departing Thu, Dec 4 from Southampton to Alderney, returning Thu, Dec 18, priced at $429 found 1 day ago

Frequently asked questions

How much does a flight from Southampton Airport (SOU) to Alderney Airport (ACI) cost?
Get a cheap one-way flight from $190 or cheap return flight from $344 from Southampton Airport (SOU) to Alderney Airport (ACI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Southampton Airport (SOU) to Alderney Airport (ACI)?
The cheapest month to fly from SOU to ACI is December, when demand is low. Off-peak months are often when you'll find cheap fares for travel between these airports.
Which airlines fly direct from Southampton Airport (SOU) to Alderney Airport (ACI)?
You can travel nonstop from Southampton Airport (SOU) to Alderney Airport (ACI) on an Aurigny Air Services flight.
What is the cheapest airline that flies from Southampton Airport (SOU) to Alderney Airport (ACI)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SOU to ACI flight.
How many flights per day from Southampton Airport (SOU) to Alderney Airport (ACI)?
On average, Southampton Airport (SOU) only offers 1 nonstop flight to Alderney Airport (ACI) per day. For more options, try our easy-to-use filter tool. Just enter your preferred travel dates, then choose "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Southampton Airport (SOU) to Alderney Airport (ACI)?
The 11 AM departures from SOU to ACI are the most sought after. They can also be more expensive. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from SOU to ACI?
Jet off on a Friday if you're looking for the largest selection of flights from Southampton Airport (SOU) to Alderney Airport (ACI).
What is the earliest flight from Southampton Airport (SOU) to Alderney Airport (ACI)?
Southampton Airport (SOU)'s earliest flight to Alderney Airport (ACI) leaves at approximately 11:05AM UTC+0. With a total flight time of 40m, you'll land at around 11:45AM UTC+0.
How long does it take to fly from Southampton Airport (SOU) to Alderney Airport (ACI)?
It takes around 40 minutes to fly the 95 mi from SOU to ACI.
What is the best time to fly from Southampton Airport (SOU) to Alderney Airport (ACI)?
Opt for a flight from Southampton Airport (SOU) to Alderney Airport (ACI) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time 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 Southampton Airport (SOU) to Alderney Airport (ACI) last-minute?
Booking your ticket from SOU to ACI just before your getaway is typically more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Can I cancel or change the date of my flight from Southampton Airport (SOU) to Alderney Airport (ACI)?
In most cases, you can modify or cancel your SOU to ACI flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Travel information

0
Origin airport
Southampton
Destination airport
Alderney
Roundtrip price
$344
Distance
93 mi

Book with confidence

Book with confidence

Southampton to Alderney Flights

The cheapest times to fly from Southampton to Alderney

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

 

The best time to book a flight from Southampton to Alderney

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

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 Southampton to Alderney in 2025. You can also book with separate airlines for your outbound and return journeys, from $190 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 Southampton to Alderney 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 Southampton to Alderney 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.

 

Southampton to Alderney Flights
*Available to One Key members.