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Cheap flights from Southampton to Alderney

Compare Southampton to Alderney flight deals

Find the cheapest month or even day of the year to fly to Alderney

Book the best Alderney fare with no extra fees

Flight deals from Southampton to Alderney

Looking for a cheap last-minute deal or the best round-trip flight from Southampton to Alderney? Find the lowest prices on one-way and round-trip tickets right here.
Alderney.C$426 per passenger.Departing Mon, Oct 20, returning Thu, Oct 23.Round-trip flight with Aurigny.Outbound direct flight with Aurigny departing from Southampton on Mon, Oct 20, arriving in Alderney.Inbound direct flight with Aurigny departing from Alderney on Thu, Oct 23, arriving in Southampton.Price includes taxes and charges.From C$426, select.
Alderney.C$427 per passenger.Departing Fri, Jan 9, returning Fri, Jan 16.Round-trip flight with Aurigny.Outbound direct flight with Aurigny departing from Southampton on Fri, Jan 9, arriving in Alderney.Inbound direct flight with Aurigny departing from Alderney on Fri, Jan 16, arriving in Southampton.Price includes taxes and charges.From C$427, select.
Alderney.C$428 per passenger.Departing Tue, Nov 11, returning Tue, Nov 18.Round-trip flight with Aurigny.Outbound direct flight with Aurigny departing from Southampton on Tue, Nov 11, arriving in Alderney.Inbound direct flight with Aurigny departing from Alderney on Tue, Nov 18, arriving in Southampton.Price includes taxes and charges.From C$428, select.
Alderney.C$428 per passenger.Departing Sat, Mar 7, returning Wed, Mar 11.Round-trip flight with Aurigny.Outbound direct flight with Aurigny departing from Southampton on Sat, Mar 7, arriving in Alderney.Inbound direct flight with Aurigny departing from Alderney on Wed, Mar 11, arriving in Southampton.Price includes taxes and charges.From C$428, select.
Alderney.C$433 per passenger.Departing Fri, Dec 12, returning Tue, Dec 16.Round-trip flight with Aurigny.Outbound direct flight with Aurigny departing from Southampton on Fri, Dec 12, arriving in Alderney.Inbound direct flight with Aurigny departing from Alderney on Tue, Dec 16, arriving in Southampton.Price includes taxes and charges.From C$433, select.
Alderney.C$433 per passenger.Departing Thu, Feb 12, returning Mon, Feb 16.Round-trip flight with Aurigny.Outbound direct flight with Aurigny departing from Southampton on Thu, Feb 12, arriving in Alderney.Inbound direct flight with Aurigny departing from Alderney on Mon, Feb 16, arriving in Southampton.Price includes taxes and charges.From C$433, select.
Alderney.C$545 per passenger.Departing Fri, Sep 26, returning Sun, Sep 28.Round-trip flight with Aurigny.Outbound indirect flight with Aurigny, departing from Southampton on Fri, Sep 26, arriving in Alderney.Inbound indirect flight with Aurigny, departing from Alderney on Sun, Sep 28, arriving in Southampton.Price includes taxes and charges.From C$545, select.
Alderney.C$575 per passenger.Departing Tue, Sep 16, returning Tue, Sep 23.Round-trip flight with Aurigny.Outbound direct flight with Aurigny departing from Southampton on Tue, Sep 16, arriving in Alderney.Inbound direct flight with Aurigny departing from Alderney on Tue, Sep 23, arriving in Southampton.Price includes taxes and charges.From C$575, select.

Find the cheapest month to fly from Southampton to Alderney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Southampton to Alderney flights are currently cheapest in October.
Aug
from C$634
Sep
from C$545
Oct
from C$426
Nov
from C$428
Dec
from C$433
Jan
from C$427
Feb
from C$433
Mar
from C$428
Apr
Find prices
May
Find prices
Jun
Find prices
Jul
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Direct flights from Southampton to Alderney

Southampton to Alderney: Alternative routes

Compare routes from Southampton to Alderney below. You may find an airport to fly into that's cheaper, faster, or easier than Alderney.

Southampton to Alderney: Flight information

The things to know before you go.
Cheapest flight foundC$426
Cheapest month to flyOctober
Average flight time46 mins
Most popular airlineAurigny
Average flights per week11

Finding cheap flights from Southampton to Alderney: Frequently asked questions

The best price we found for a round-trip flight from Southampton to Alderney is C$426. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
46 minutes is the average flight time from Southampton to Alderney.
Aurigny flies direct from Southampton to Alderney.
There are 11 flights per week flying from Southampton to Alderney, as of August 2025.
The cheapest month to fly from Southampton to Alderney is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Southampton Airport to Alderney Airport on Monday, October 20, 2025.
Yes – the average flight time is 46 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Alderney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Alderney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Aurigny offers the cheapest flight tickets to Alderney.

Flying from Southampton Airport (SOU) to Alderney Airport (ACI): what you need to know

  • Book a direct flight from Southampton Airport to Alderney Airport and you'll be in the air for an average of 40 minutes.

  • Choose from 78 weekly Southampton Airport to Alderney Airport flights. The 11:00 departure with Aurigny Air Services is the earliest available. Aurigny Air Services operates the latest service of the day at 16:25.

  • Leave plenty of time to catch your SOU to ACI flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're heading away during a major holiday or other peak periods, give yourself more time. A good rule is two hours before domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • Most passengers choose to travel with Aurigny Air Services on this route.

  • Among carriers operating SOU to ACI flights, Aurigny Air Services has the highest rate of on-time arrivals.

How to find the cheapest flights from Southampton Airport (SOU) to Alderney Airport (ACI)

  • C$263 is currently the best price for a one-way Southampton Airport to Alderney Airport flight. A return flight starts from C$426. These fares may change depending on demand.

  • Book seven months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from SOU to ACI.

  • June is the cheapest month for flights from Southampton Airport to Alderney Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Cut down on the time spent looking for cheap flights from SOU to ACI by setting up a Price Alert. You'll get an email or notification through the app when fares go down.

  • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Southampton Airport to Alderney Airport.

Handy information about Southampton Airport (SOU)

  • When it comes to Southampton Airport's on-time performance, data shows 55.7% of flights stick to their scheduled arrival time.

  • To get to Southampton Airport from central Southampton, it'll take about 20 minutes by car. Of course, this depends on traffic. It's approximately 8 kilometres from the airport to the city centre.

  • The trip when using public transport takes about 25 minutes.

  • Booked an early flight from Southampton Airport to Alderney Airport? Avoid rushing to the airport (and get some extra shut-eye) by choosing one of these stays close to SOU:

Getting from Alderney Airport (ACI) to central Alderney

  • From Alderney Airport, Alderney is approximately 2 kilometres away. It takes around 5 minutes to reach the centre by car.

  • Getting there by public transport typically takes 25 minutes.

When to fly to Alderney Airport (ACI)

  • April is the busiest month for flights from Southampton Airport to Alderney Airport. For a quieter experience, go to Alderney in April.

  • The warmest month in Alderney is August, with temperatures ranging between 13ºC (55ºF) and 19ºC (66ºF). Book your flights from Southampton Airport to Alderney Airport in this month if this is the kind of weather you like.

  • If you want cooler conditions, search for a cheap ticket from SOU to ACI in February. Temperatures average between 5ºC (41ºF) and 10ºC (50ºF) then.

Plan the rest of your trip from Southampton to Alderney

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.