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Flights between Alderney (ACI) and Southampton (SOU)

Alderney Airport, Guernsey ↔ Southampton Airport, United Kingdom

A direct route between Alderney and Southampton appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

GR
Distance
151 km
94 miles
Est. flight time
41m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in United Kingdom

Jan
7°
12/2
85mm
Feb
7°
12/2
65mm
Mar
10°
15/5
70mm
Apr
13°
18/8
60mm
May
16°
21/11
65mm
Jun
19°
24/14
65mm
Jul
21°
26/16
60mm
Aug
21°
26/16
75mm
Sep
18°
23/13
75mm
Oct
14°
19/9
90mm
Nov
10°
15/5
90mm
Dec
8°
13/3
95mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

United Kingdom: Exercise Increased Caution (US State Dept) ↗

Common questions

How far is Alderney from Southampton?

Alderney (ACI) and Southampton (SOU) are around 151 km (94 miles) apart — an estimated 41m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the ACI–SOU route?

Airlines recorded operating this route in the OpenFlights network include GR. This reflects historical scheduled service and may be out of date.

What is the time difference between Alderney and Southampton?

Both airports keep the same time — no time difference.

When is it warmest in United Kingdom?

Across United Kingdom, the warmest month on average is July, with mean temperatures around 21°C. These are country-level monthly climate normals, not airport-specific.

Is there a travel advisory for United Kingdom?

The US State Department currently rates United Kingdom as Exercise Increased Caution. Check the official source before you travel.

Distances and flight times are great-circle estimates, not booked block times.