Cheap flights from Guernsey to Alderney

Compare Guernsey to Alderney flight deals

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

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Flight deals from Guernsey to Alderney

Looking for a cheap last-minute deal or the best return flight from Guernsey to Alderney? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Guernsey to Alderney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Guernsey to Alderney flights are currently cheapest in May.

Direct flights from Guernsey to Alderney

Guernsey to Alderney: Alternative routes

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

Forest to Alderney: Flight information

The things to know before you go.
Cheapest flight found$120
Cheapest month to flyJune
Average flight time27 mins
Most popular airlineAurigny
Average flights per week28

Finding cheap flights from Guernsey to Alderney: Frequently asked questions

The best price we found for a return flight from Guernsey to Alderney is $236. 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.
27 minutes is the average flight time from Guernsey to Alderney.
Aurigny flies direct from Guernsey to Alderney.
As of February 2026, there are 28 flights per week flying from Guernsey to Alderney.
The cheapest month to fly from Guernsey to Alderney is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Guernsey Airport to Alderney Airport on Friday, 24 July 2026.
Yes – the average flight time is 27 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 Guernsey Airport (GCI) to Alderney Airport (ACI): what you need to know

  • The average length of a direct flight from Guernsey Airport to Alderney Airport is 20 minutes.

  • Choose from 111 weekly Guernsey Airport to Alderney Airport flights. The 07:25 departure with Aurigny Air Services is the earliest available. Aurigny Air Services operates the last service of the day at 18:30.

  • To ensure you get on your GCI to ACI flight, leave enough time to check in and drop off your luggage. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Heading away during a peak period like school or public holidays? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Aurigny Air Services is the airline most travellers choose for this route.

How to find the cheapest flights from Guernsey Airport (GCI) to Alderney Airport (ACI)

  • Right now, $120 is the cheapest price we've found for a one-way Guernsey Airport to Alderney Airport flight. The best price for a return plane ticket is $236. Bear in mind that fares could change due to demand at the time of booking.

  • To get cheap tickets from GCI to ACI, reserve your journey six months ahead of your departure.

  • Schedule your trip for May. That's the cheapest month for flights from Guernsey Airport to Alderney Airport. If your travel dates are flexible, use the 'Whole month' tool to see the cheapest airfare across each month.

  • You won't have to check back in every day to see if fares have dropped when you create a Price Alert. We'll let you know the moment there's a better deal on cheap flights from GCI to ACI.

  • Tailor your flights with filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Guernsey Airport to Alderney Airport.

Handy information about Guernsey Airport (GCI)

  • 56.3% of flights taking off from Guernsey Airport make it to their destination on schedule.

Getting from Alderney Airport (ACI) to central Alderney

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

  • If you're using public transport, expect a journey of roughly 25 minutes.

When to fly to Alderney Airport (ACI)

  • The quietest month for a flight from Guernsey Airport to Alderney Airport is April, while April is the most popular. Pick the best time to visit Alderney based on whether you prefer a faster pace or a more relaxed vibe.

  • Lock in your flight from Guernsey Airport to Alderney Airport for August if you'd like to visit Alderney during its warmest month. Expect temperatures of between 13ºC (55ºF) and 19ºC (66ºF).

  • Look for cheap tickets from GCI to ACI in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC (41ºF) and 10ºC (50ºF) on average.

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