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Cheap flights from London to Shannon from £29

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SNN
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from London to Shannon are usually found in February or January, booked 62 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from London to Shannon

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

Round-trip from

£29

One-way from

£29

Popular in

July

Cheapest in

February

Average price

£69

Good round-trip deal

£31 or less

Good one-way deal

£26 or less
Ryanair
  • Ryanair
  • 7/5-21/5
  • Nonstop
  • 3h 10m total
  • London to Shannon
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Ryanair
  • Ryanair
  • 23/6
  • Nonstop
  • 1h 30m total
  • London to Shannon
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£5 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from London (LON) to Shannon.
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Price to beat on a one-way flight from London (LON) to Shannon.
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Find flight deals from London to Shannon

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

Wed 7/518:45LGW - SNN
Nonstop1h 35mRyanair
Wed 21/516:25SNN - LGW
Nonstop1h 35mRyanair
Deal found 25/3£29
Wed 7/522:40STN - SNN
Nonstop1h 30mRyanair
Wed 21/506:05SNN - STN
Nonstop1h 30mRyanair
Deal found 25/3£32
Tue 17/620:35STN - SNN
Nonstop1h 30mMultiple Airlines
Mon 23/613:00SNN - STN
1 stop25h 00mMultiple Airlines
Deal found 25/3£77
Wed 7/514:40LHR - SNN
Nonstop1h 30mAer Lingus
Tue 27/521:15SNN - LHR
Nonstop1h 25mAer Lingus
Deal found 25/3£77
Tue 1/415:00LGW - SNN
Nonstop1h 35mMultiple Airlines
Fri 4/418:35SNN - LGW
1 stop19h 45mMultiple Airlines
Deal found 25/3£91
Tue 1/408:10LTN - SNN
1 stop12h 40mMultiple Airlines
Fri 4/418:35SNN - LTN
1 stop14h 35mMultiple Airlines
Deal found 25/3£107
Tue 1/414:40LHR - SNN
Nonstop1h 30mMultiple Airlines
Fri 4/408:30SNN - LHR
2 stops33h 30mMultiple Airlines
Deal found 25/3£110
Tue 1/418:25LTN - SNN
1 stop17h 00mRyanair
Fri 4/418:35SNN - LTN
1 stop14h 35mRyanair
Deal found 24/3£115
Thu 27/308:00STN - SNN
2 stops34h 10mRyanair
Sat 29/320:25SNN - STN
2 stops27h 25mRyanair
Deal found 24/3£179
Mon 5/515:55SEN - SNN
1 stop8h 10mMultiple Airlines
Wed 7/516:30SNN - SEN
1 stop20h 20mMultiple Airlines
Deal found 25/3£208
Tue 1/419:10LHR - SNN
Nonstop1h 25mBritish Airways
Fri 4/421:15SNN - LHR
Nonstop1h 25mBritish Airways
Deal found 25/3£217
Fri 11/419:55LCY - SNN
1 stop20h 25mMultiple Airlines
Sun 13/413:15SNN - LCY
1 stop21h 05mMultiple Airlines
Deal found 24/3£311

Cheapflights Fare Finder

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

Fly from

London

Fly to

Shannon

Route

Depart

Return

Price

LondonShannon

STN - SNN

STNSNN

London Stansted

Wed 18/6

22:40-00:10

Nonstop1h 30m

Shannon

Sun 22/6

06:00-07:30

Nonstop1h 30m

£40

LondonShannon

LGW - SNN

LGWSNN

London Gatwick

Thu 8/5

13:10-14:45

Nonstop1h 35m

Shannon

Thu 15/5

10:50-12:25

Nonstop1h 35m

£42

LondonShannon

STN - SNN

STNSNN

London Stansted

Tue 17/6

20:35-22:05

Nonstop1h 30m

Shannon

Mon 23/6

13:00-14:00

1 stop25h 00m

£77

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 7/5

14:40-16:10

Nonstop1h 30m

Shannon

Tue 27/5

21:15-22:40

Nonstop1h 25m

£77

LondonShannon

LGW - SNN

LGWSNN

London Gatwick

Wed 7/5

19:15-08:20

1 stop13h 05m

Shannon

Thu 8/5

10:50-12:25

Nonstop1h 35m

£92

LondonShannon

LTN - SNN

LTNSNN

London Luton

Wed 7/5

05:55-07:20

1 stop25h 25m

Shannon

Tue 27/5

10:40-08:35

1 stop21h 55m

£109

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 24/4

06:15-01:05

1 stop18h 50m

Shannon

Mon 28/4

21:15-22:40

Nonstop1h 25m

£130

LondonShannon

LTN - SNN

LTNSNN

London Luton

Mon 21/4

20:00-13:55

2 stops17h 55m

Shannon

Mon 28/4

13:00-15:55

2 stops26h 55m

£150

LondonShannon

SEN - SNN

SENSNN

London Southend

Mon 5/5

15:55-00:05

1 stop8h 10m

Shannon

Wed 7/5

16:30-12:50

1 stop20h 20m

£208

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 17/5

14:20-15:50

Nonstop1h 30m

Shannon

Mon 19/5

07:40-09:05

Nonstop1h 25m

£217

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from London to Shannon

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

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

Use this chart to determine the optimal time to book a return flight from London to Shannon. Price data was last updated on 21 March 2025.

The best time to book flights from London to Shannon, Clare is 62 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 London to Shannon, Clare?

Currently, April is the cheapest month in which you can book a flight from London to Shannon, Clare (average of £69). Flying from London to Shannon, Clare in July is currently the most expensive (average of £126). 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 LON to SNN?

Find hourly flight availability from London to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 March 2025.

When flying from London to Shannon, Clare, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 33% versus a flight at midday.

What is the cheapest day to fly from London to Shannon, Clare?

Use this chart to determine the cheapest time to fly return from London to Shannon. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Shannon, Clare flight should consider departing on Saturday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon, Clare ranges from 59.0 - 105.0 inches per month. October is typically the wettest month, when rainfall can reach 105.0 mm. April is typically the driest time to visit Shannon, Clare when rainfall is around 59.0 mm.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. 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 Shannon. Reviews last updated 26 March 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines and Aer Lingus from London to Shannon by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,608 reviews
Check prices

Overall

7.4

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
United Airlines
7.4
Good
8,608 reviews
United Airlines
7.4
Good
8,608 reviews
Check prices

Overall

7.4

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,608 reviews
Check prices

Overall

7.4

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
Aer Lingus
7.0
Good
1,062 reviews
United Airlines
7.4
Good
8,608 reviews
Check prices

Overall

7.4

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
Ryanair
6.8
Okay
5,004 reviews
United Airlines
7.4
Good
8,608 reviews
Check prices

Overall

7.4

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
British Airways
6.6
Okay
6,712 reviews
United Airlines
7.4
Good
8,608 reviews
Check prices

Overall

7.4

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Related info for your journey

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

    Shannon (SNN), located 2.1 mi from the city center, is the airport you fly into when you book flights from London to Shannon. 3 airlines have flights to Shannon from London on a regular basis. Booking flights from London to Shannon should not be difficult; the airport handles an average of 11 inbound flights from London per day.

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

    Cheapflights users have booked flights from London to Shannon, Clare round-trip from £29. Other airlines that can offer you cheap pricing are Aer Lingus, from £77, and British Airways, from £217. Ryanair is priced at 58% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Ryanair. According to our data, you can fly for as low as £29. Users have also found prices from £47 and £118 on Aer Lingus and British Airways, respectively.

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

    When deciding which route to take from London to Shannon, Clare consider London Heathrow - Shannon, London Luton - Shannon or London Stansted - Shannon as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from London to Shannon, Clare consider choosing American Airlines (0%), Qatar Airways (0%) or Air Canada (0%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from London to Shannon, Clare is generally £1,368, our data shows the cheapest flight currently is £61. When looking at the most popular route, (London Heathrow - Shannon), you can expect to pay £77 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Shannon 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 London to Shannon, Clare?

    Currently, April is the cheapest month in which you can book a flight from London to Shannon, Clare (average of £69). Flying from London to Shannon, Clare in July is currently the most expensive (average of £126). 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

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Fly from London to Shannon on these airlines

Choose from the following airlines for your flight from London to Shannon. Flights are based on user searches made on Cheapflights and were last updated on 26 March 2025.
Ryanair flights from London to Shannon
Aer Lingus flights from London to Shannon
British Airways flights from London to Shannon

Top 3 airlines flying from London to Shannon

Discover the top 3 airlines that operate flights from London to Shannon. 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£29Average£51FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£90Average£140FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£175Average£225FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Shannon?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Shannon. 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 Shannon?

Cheapflights helps you find that perfect flight to Shannon from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Shannon from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from London to Shannon and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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