Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Stansted Airport to Alderney from £505

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Stansted Airport to Alderney departing on 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Stansted Airport to Alderney

Cheap return flights

Logo
21:05 - 11:45STN-ACI
14h 40m2 stops
Logo
17:45 - 23:59ACI-STN
30h 14m3 stops
£505
Find Deal
Sun, 21 Sep - Sun, 28 Sep
Logo
21:50 - 17:05STN-ACI
19h 15m2 stops
Logo
18:15 - 22:55ACI-STN
28h 40m3 stops
£522
Find Deal
Fri, 15 Aug - Tue, 19 Aug
Logo
16:35 - 13:10STN-ACI
20h 35m3 stops
Logo
18:15 - 22:55ACI-STN
28h 40m3 stops
£637
Find Deal
Fri, 15 Aug - Tue, 19 Aug
Logo
06:35 - 13:10STN-ACI
30h 35m3 stops
Logo
18:15 - 22:55ACI-STN
28h 40m3 stops
£637
Find Deal
Sat, 16 Aug - Tue, 19 Aug
Logo
21:30 - 17:50STN-ACI
20h 20m3 stops
Logo
19:15 - 17:00ACI-STN
21h 45m3 stops
£643
Find Deal
Sun, 21 Sep - Sun, 28 Sep
Logo
07:55 - 17:05STN-ACI
9h 10m2 stops
Logo
18:15 - 22:55ACI-STN
28h 40m3 stops
£679
Find Deal
Sat, 16 Aug - Tue, 19 Aug

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport 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, momondo users made 279,928 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from London Stansted Airport to Alderney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonAlderney

STN - ACI

STNACI

London Stansted

Sun 21/9

21:05-11:45

2 stops14h 40m

Alderney The Blaye

Sun 28/9

17:45-23:59

3 stops30h 14m

£505

LondonAlderney

STN - ACI

STNACI

London Stansted

Fri 15/8

21:50-17:05

2 stops19h 15m

Alderney The Blaye

Tue 19/8

18:15-22:55

3 stops28h 40m

£522

LondonAlderney

STN - ACI

STNACI

London Stansted

Fri 15/8

16:35-13:10

3 stops20h 35m

Alderney The Blaye

Tue 19/8

18:15-22:55

3 stops28h 40m

£637

LondonAlderney

STN - ACI

STNACI

London Stansted

Sat 16/8

06:35-13:10

3 stops30h 35m

Alderney The Blaye

Tue 19/8

18:15-22:55

3 stops28h 40m

£637

LondonAlderney

STN - ACI

STNACI

London Stansted

Sun 21/9

21:30-17:50

3 stops20h 20m

Alderney The Blaye

Sun 28/9

19:15-17:00

3 stops21h 45m

£643

LondonAlderney

STN - ACI

STNACI

London Stansted

Sat 16/8

07:55-17:05

2 stops9h 10m

Alderney The Blaye

Tue 19/8

18:15-22:55

3 stops28h 40m

£679

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Alderney from

How to get the cheapest flight ticket from London Stansted Airport to Alderney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Alderney?

The cheapest day to depart from London Stansted Airport to Alderney is on a Wednesday. Travellers who choose to depart for Alderney on a Wednesday will often find tickets for as low as £255. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Alderney on Sunday is £314.

What is the cheapest time of day to depart on your flight to Alderney?

The cheapest time of day to fly to Alderney is in the morning when flights can be purchased for as low as £289. Try not to purchase tickets in the evening because they tend to be around £401. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from London Stansted Airport to Alderney

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to Alderney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Stansted Airport to Alderney (STN to ACI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to Alderney

Best price found

£505

Fastest flight time

9h 10m

Direct flights

None

Airports in Alderney

1 airport
The best flight deal from London Stansted Airport to Alderney found on momondo in the last 72 hours is £505
The fastest flight from London Stansted Airport to Alderney takes 9h 10m
There are no direct flights from London Stansted Airport to Alderney. Popular non-direct route for this connection is London Stansted Airport - Alderney The Blaye Airport.
There is 1 airport near Alderney: Alderney The Blaye (ACI)
Search flight deals

  • How far is London Stansted to Alderney The Blaye by plane?

    Alderney The Blaye is 183.8 mi away from London Stansted. A reasonable flight in good conditions will take 9h 10m.

  • When did momondo last update prices for flights from London Stansted Airport to Alderney The Blaye Airport?

    Prices for flights from London Stansted Airport to Alderney The Blaye Airport are updated daily.

  • How old do you have to be to fly from London Stansted Airport to Alderney The Blaye Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Alderney The Blaye Airport.

  • What documentation or ID do you need to fly to Alderney The Blaye Airport?

    The required travel and health documents for your Alderney The Blaye Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Alderney The Blaye Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Alderney?

It is quick and easy to find London to Alderney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Alderney that suits you.

Can I find flights from London to Alderney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Alderney from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Alderney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Alderney from London.

I’m not ready to book a flight from London to Alderney right now. Can momondo alert me if prices change?

Price alerts on flights to Alderney from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Alderney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 5/8
Tue 12/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Guernsey

Airports servicing Guernsey

Saint Peter Port Guernsey Airport