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Cheap flights from Shannon to London from £24

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — LON
17 Jul — 24 Jul1
1 adult

Cheapflights Tip: The best prices from Shannon to London are usually found in January or May, booked 46 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap flight deals from Shannon to London

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to London (LON). 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 12 July 2025.

Round-trip from

£28

One-way from

£24

Popular in

June

Cheapest in

January

Average price

£123

Good round-trip deal

£90 or less

Good one-way deal

£24 or less
Ryanair
  • Ryanair
  • 31/7-5/8
  • Nonstop
  • 3h 00m total
  • Shannon to London
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Ryanair
  • Ryanair
  • 12/10
  • Nonstop
  • 1h 35m total
  • Shannon to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£4 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Shannon to London (LON).
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Price to beat on a one-way flight from Shannon to London (LON).
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Find flight deals from Shannon to London

Cheapest flights from Shannon to London
Explore the most affordable flight options available from Shannon to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2025.

Sun 10/806:00SNN - STN
Nonstop1h 30mRyanair
Sun 17/807:55STN - SNN
Nonstop1h 30mRyanair
Deal found 11/7£36
Wed 20/816:25SNN - LGW
Nonstop1h 35mRyanair
Sat 30/815:45LGW - SNN
Nonstop1h 35mRyanair
Deal found 11/7£47
Sun 24/806:00SNN - STN
Nonstop1h 30mMultiple Airlines
Sun 31/808:00STN - SNN
1 stop4h 40mMultiple Airlines
Deal found 10/7£81
Mon 21/721:15SNN - LHR
Nonstop1h 25mAer Lingus
Tue 29/719:10LHR - SNN
Nonstop1h 25mAer Lingus
Deal found 11/7£93
Wed 20/816:25SNN - LGW
Nonstop1h 35mMultiple Airlines
Sat 30/808:00LGW - SNN
1 stop8h 20mMultiple Airlines
Deal found 11/7£101
Tue 26/821:10SNN - LTN
1 stop11h 25mMultiple Airlines
Tue 2/918:00LTN - SNN
1 stop6h 10mMultiple Airlines
Deal found 12/7£112
Tue 26/821:15SNN - LHR
Nonstop1h 25mMultiple Airlines
Tue 2/906:45LHR - SNN
1 stop5h 50mMultiple Airlines
Deal found 12/7£141
Thu 14/820:15SNN - LTN
2 stops23h 00mRyanair
Wed 20/810:00LTN - SNN
2 stops22h 20mRyanair
Deal found 10/7£169
Tue 26/814:45SNN - LCY
2 stops17h 25mMultiple Airlines
Tue 2/920:10LCY - SNN
2 stops23h 35mMultiple Airlines
Deal found 12/7£319
Sun 13/719:55SNN - SEN
2 stops16h 30mMultiple Airlines
Thu 17/707:15SEN - SNN
2 stops11h 50mMultiple Airlines
Deal found 12/7£343

Cheapflights Fare Finder

Customise your flight search to find flights from Shannon to London 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 12 July 2025.
Use the filters below to find and compare flights from Shannon to London that are best for you.

Fly from

Shannon

Fly to

London

Route

Depart

Return

Price

ShannonLondon

SNN - STN

SNNSTN

Shannon

Sun 10/8

06:00-07:30

Nonstop1h 30m

London Stansted

Sun 17/8

07:55-09:25

Nonstop1h 30m

£36

ShannonLondon

SNN - LGW

SNNLGW

Shannon

Wed 20/8

16:25-18:00

Nonstop1h 35m

London Gatwick

Sat 30/8

15:45-17:20

Nonstop1h 35m

£47

ShannonLondon

SNN - STN

SNNSTN

Shannon

Sun 24/8

06:00-07:30

Nonstop1h 30m

London Stansted

Sun 31/8

08:00-12:40

1 stop4h 40m

£81

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Thu 4/9

07:40-09:05

Nonstop1h 25m

London Heathrow

Mon 8/9

19:10-20:35

Nonstop1h 25m

£94

ShannonLondon

SNN - LGW

SNNLGW

Shannon

Wed 20/8

16:25-18:00

Nonstop1h 35m

London Gatwick

Sat 30/8

08:00-16:20

1 stop8h 20m

£101

ShannonLondon

SNN - LTN

SNNLTN

Shannon

Tue 26/8

21:10-08:35

1 stop11h 25m

London Luton

Tue 2/9

18:00-00:10

1 stop6h 10m

£112

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Tue 26/8

21:15-22:40

Nonstop1h 25m

London Heathrow

Tue 2/9

06:45-12:35

1 stop5h 50m

£141

ShannonLondon

SNN - LTN

SNNLTN

Shannon

Thu 14/8

20:15-19:15

2 stops23h 00m

London Luton

Wed 20/8

10:00-08:20

2 stops22h 20m

£169

ShannonLondon

SNN - LCY

SNNLCY

Shannon

Tue 26/8

14:45-08:10

2 stops17h 25m

London City

Tue 2/9

20:10-19:45

2 stops23h 35m

£319

ShannonLondon

SNN - SEN

SNNSEN

Shannon

Sun 24/8

09:15-16:40

1 stop7h 25m

London Southend

Sun 31/8

17:25-10:15

1 stop16h 50m

£359

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Shannon to London

Have a flexible travel schedule? Discover the best time to fly to London from Shannon 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 Shannon to London

How far ahead should I book a flight from Shannon, Clare to London?

Use this chart to determine the optimal time to book a return flight from Shannon to London. Price data was last updated on 27 June 2025.

The best time to book flights from Shannon, Clare to London is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Shannon, Clare to London?

Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to London (average of £112). Flying from Shannon, Clare to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SNN to LON?

Find hourly flight availability from Shannon to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 July 2025.

One of the essential ways to save on airfare from Shannon, Clare to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 52% on airfare.

Weekly flight availability from Shannon, Clare to London

Explore weekly flight availability from Shannon to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 July 2025.

The most flights from SNN to LON are scheduled on a Friday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost for a return flight from Shannon, Clare to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 12 July 2025.
Read through reviews of airlines operating flights from Shannon to London, such as Aer Lingus, Ryanair, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.1
Good
1,157 reviews
Check prices

Comfort

7.0

Overall

7.1

Boarding

7.3

Food

6.4

Crew

8.0

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Aer Lingus
7.1
Good
1,157 reviews
Aer Lingus
7.1
Good
1,157 reviews
Check prices

Comfort

7.0

Overall

7.1

Boarding

7.3

Food

6.4

Crew

8.0

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Ryanair
6.9
Okay
5,151 reviews
Aer Lingus
7.1
Good
1,157 reviews
Check prices

Comfort

7.0

Overall

7.1

Boarding

7.3

Food

6.4

Crew

8.0

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
British Airways
6.6
Okay
7,123 reviews
Aer Lingus
7.1
Good
1,157 reviews
Check prices

Comfort

7.0

Overall

7.1

Boarding

7.3

Food

6.4

Crew

8.0

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.

Related info for your journey

Find useful and relevant information for your journey from Shannon to London. 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 from for flights from Shannon to London?

    If you book a flight to London from Shannon, you will be flying from Shannon, which is the city’s only airport. Shannon (SNN) is located 2.1 mi from the center of Shannon. There are 12 flights from Shannon to London per day from 2 different airlines.

  • What are the cheapest airlines flying from Shannon, Clare to London round-trip?

    Flying on Ryanair is currently your cheapest option to London, with prices starting at £28. Another option worth looking into is Aer Lingus, starting at £94 return. These flights start at 71% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Shannon, Clare to London one-way?

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as £24. However, be on the lookout for offers from Aer Lingus and British Airways, as they are both options that can get you from Shannon, Clare to London for a low price.

  • What are the most popular routes from Shannon, Clare to London?

    The most popular route from Shannon, Clare to London is Shannon - London Heathrow. You may also consider Shannon - London Luton or Shannon - London Gatwick.

  • What are the most reliable airlines from Shannon, Clare to London?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Shannon, Clare to London on time: Air Canada (92%), Aer Lingus (88%), British Airways (88%).

  • What are the cheapest flights from Shannon, Clare to London?

    On average you can expect to pay £216 for a flight from Shannon, Clare to London. The cheapest flight overall is £53 while the most popular route, (Shannon - London Heathrow) is currently priced at £131.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Shannon, Clare to London?

    Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to London (average of £112). Flying from Shannon, Clare to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Maidstone
Guildford
Chichester

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Alternative routes for Shannon to London

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Top 2 airlines flying from Shannon to London

Discover the top 2 airlines that operate flights from Shannon to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 July 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£59FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£70Average£124FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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

When you search for this flight from Shannon to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Shannon to London.

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

Yes! Cheapflights helps users easily find flights from Shannon to London with no change fees.

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

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

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