Find flights
When to book
FAQs

Cheap flights from London to Alderney from £291

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ACI
31 Aug — 7 Sep1
1 adult

Cheap flight deals from London to Alderney

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Alderney (ACI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 August 2025.

Round-trip from

£331

One-way from

£291

Popular in

April

Cheapest in

February

Average price

£358
Aurigny Air
  • Aurigny Air
  • 23/9-30/9
  • 2 total stops
  • 36h 50m total
  • London to Alderney
Search Deals
Aurigny Air
  • Aurigny Air
  • 21/9
  • 1 total stop
  • 23h 10m total
  • London to Alderney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from London to Alderney

Cheapest flights from London to Alderney
Explore the most affordable flight options available from London to Alderney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Tue 23/908:35LGW - ACI
1 stop23h 10mAurigny Air
Tue 30/918:15ACI - LGW
1 stop13h 40mAurigny Air
Deal found 24/8£331
Wed 3/908:35LGW - ACI
1 stop4h 55mAurigny Air
Fri 5/919:15ACI - LGW
1 stop12h 40mAurigny Air
Deal found 24/8£353
Wed 24/908:35LGW - ACI
1 stop4h 55mAurigny Air
Wed 1/1018:15ACI - LGW
1 stop16h 10mAurigny Air
Deal found 25/8£356
Wed 3/908:35LGW - ACI
1 stop4h 55mAurigny Air
Wed 10/916:20ACI - LGW
1 stop2h 50mAurigny Air
Deal found 24/8£379
Wed 3/908:35LGW - ACI
1 stop4h 55mAurigny Air
Mon 8/912:10ACI - LGW
1 stop5h 35mAurigny Air
Deal found 24/8£382
Sat 30/808:35LGW - ACI
1 stop4h 35mAurigny Air
Fri 5/919:15ACI - LGW
1 stop12h 40mAurigny Air
Deal found 24/8£385
Tue 2/919:40LGW - ACI
1 stop12h 05mAurigny Air
Tue 9/916:20ACI - LGW
1 stop2h 50mAurigny Air
Deal found 24/8£390
Sat 30/808:35LGW - ACI
1 stop10h 15mAurigny Air
Wed 10/916:20ACI - LGW
1 stop2h 50mAurigny Air
Deal found 24/8£400
Wed 3/908:35LGW - ACI
1 stop4h 55mAurigny Air
Thu 4/916:20ACI - LGW
1 stop2h 50mAurigny Air
Deal found 24/8£403
Tue 14/1011:05LGW - ACI
1 stop2h 25mAurigny Air
Thu 16/1016:20ACI - LGW
1 stop2h 50mAurigny Air
Deal found 25/8£405
Tue 7/1019:40LGW - ACI
1 stop22h 10mAurigny Air
Tue 14/1012:10ACI - LGW
1 stop5h 35mAurigny Air
Deal found 25/8£409
Sat 30/808:35LGW - ACI
1 stop4h 35mAurigny Air
Mon 8/912:10ACI - LGW
1 stop5h 35mAurigny Air
Deal found 24/8£414

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Alderney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from London to Alderney that are best for you.

Fly from

London

Fly to

Alderney

Route

Depart

Return

Price

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Tue 23/9

08:35-07:45

1 stop23h 10m

Alderney The Blaye

Tue 30/9

18:15-07:55

1 stop13h 40m

£331

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Wed 24/9

08:35-13:30

1 stop4h 55m

Alderney The Blaye

Wed 1/10

18:15-10:25

1 stop16h 10m

£356

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Thu 4/9

19:40-07:45

1 stop12h 05m

Alderney The Blaye

Tue 9/9

16:20-19:10

1 stop2h 50m

£390

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Thu 4/9

19:40-07:45

1 stop12h 05m

Alderney The Blaye

Wed 10/9

16:20-19:10

1 stop2h 50m

£390

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Tue 14/10

11:05-13:30

1 stop2h 25m

Alderney The Blaye

Thu 16/10

16:20-19:10

1 stop2h 50m

£405

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Tue 7/10

19:40-09:15

1 stop13h 35m

Alderney The Blaye

Tue 14/10

12:10-17:45

1 stop5h 35m

£409

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Tue 23/9

08:35-13:30

1 stop4h 55m

Alderney The Blaye

Tue 30/9

16:20-08:20

3 stops16h 00m

£425

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Sun 19/10

08:35-09:15

1 stop24h 40m

Alderney The Blaye

Tue 21/10

12:10-10:25

1 stop22h 15m

£440

LondonAlderney

LGW - ACI

LGWACI

London Gatwick

Thu 4/9

18:25-07:45

1 stop13h 20m

Alderney The Blaye

Fri 5/9

12:05-07:55

1 stop19h 50m

£440

LondonAlderney

STN - ACI

STNACI

London Stansted

Wed 24/9

08:15-15:50

2 stops7h 35m

Alderney The Blaye

Wed 1/10

09:50-08:55

2 stops23h 05m

£504

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 12 results
1
2

Best time to book a flight from London to Alderney

Have a flexible travel schedule? Discover the best time to fly to Alderney from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Alderney

How much does it cost for a return flight from London to Alderney?

Related info for your journey

Find useful and relevant information for your journey from London to Alderney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Alderney from London?

    Most people fly into Alderney The Blaye (ACI) if they book a flight to Alderney from London. On average, The Blaye has 0 inbound flights from London per day from 0 airlines. Alderney The Blaye is conveniently located just 0.7 mi from Alderney’s city center.

  • How long is the flight from London to Alderney?

    There are many flights that can get you from London to Alderney in 23h 10m. Fly via Aurigny Air to get the fastest option. There are 134 mi between London and Alderney.

  • Can I find deals for flights from London to Alderney that include hotel bookings?

    Yes. In addition to deals on London to Alderney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Alderney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Alderney.

  • Can I find deals for business class flights from London to Alderney?

    Yes. Cheapflights offers flight deals from London to Alderney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Alderney

Explore flights to Alderney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 August 2025.
Southampton to Alderney flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Alderney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Alderney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Alderney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Alderney from London.

Can Cheapflights find flights from London to Alderney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Alderney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Alderney become cheaper?

Not ready to book yet? You can track prices for flights from London to Alderney on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.