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Cheap flights from London to Shannon from £28

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SNN
5 May — 12 May1
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 30 April 2025.

Round-trip from

£28

Popular in

July

Cheapest in

February

Average price

£72

Good round-trip deal

£39 or less

Good one-way deal

£27 or less
Ryanair
  • Ryanair
  • 6/5-8/5
  • Nonstop
  • 3h 00m total
  • London to Shannon
Highest demand for flights based on searches. 6% potential increase in price (£4 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£2 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from London (LON) to Shannon.
Price to beat on a one-way flight from London (LON) to Shannon.

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 30 April 2025.

Tue 27/515:00LGW - SNN
Nonstop1h 35mRyanair
Tue 3/612:45SNN - LGW
Nonstop1h 35mRyanair
Deal found 28/4£53
Mon 7/708:00STN - SNN
Nonstop1h 30mRyanair
Thu 10/721:50SNN - STN
Nonstop1h 30mRyanair
Deal found 29/4£54
Sun 1/609:50LHR - SNN
Nonstop1h 30mAer Lingus
Sun 15/621:15SNN - LHR
Nonstop1h 25mAer Lingus
Deal found 29/4£86
Sat 14/607:55STN - SNN
1 stop8h 25mMultiple Airlines
Sat 21/619:05SNN - STN
Nonstop1h 30mMultiple Airlines
Deal found 30/4£87
Tue 6/508:10LTN - SNN
1 stop12h 40mMultiple Airlines
Thu 8/507:45SNN - LTN
1 stop17h 25mMultiple Airlines
Deal found 29/4£97
Thu 29/505:35LGW - SNN
2 stops16h 05mMultiple Airlines
Thu 5/610:50SNN - LGW
Nonstop1h 35mMultiple Airlines
Deal found 29/4£105
Fri 30/506:45LHR - SNN
1 stop8h 25mMultiple Airlines
Fri 30/521:15SNN - LHR
Nonstop1h 25mMultiple Airlines
Deal found 29/4£134
Tue 6/520:25SEN - SNN
1 stop23h 20mMultiple Airlines
Thu 8/515:35SNN - SEN
1 stop28h 35mMultiple Airlines
Deal found 29/4£137
Fri 13/617:15LTN - SNN
1 stop19h 30mRyanair
Fri 20/615:35SNN - LTN
2 stops23h 25mRyanair
Deal found 29/4£153
Tue 13/509:50LHR - SNN
Nonstop1h 30mBritish Airways
Fri 6/607:40SNN - LHR
Nonstop1h 25mBritish Airways
Deal found 29/4£216
Fri 23/509:25LCY - SNN
2 stops15h 05mMultiple Airlines
Tue 3/610:10SNN - LCY
2 stops26h 20mMultiple Airlines
Deal found 29/4£440

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 30 April 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

Tue 27/5

16:35-00:15

2 stops7h 40m

Shannon

Tue 3/6

08:20-17:35

2 stops33h 15m

£150

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 1/6

09:50-11:20

Nonstop1h 30m

Shannon

Tue 3/6

13:00-22:35

1 stop9h 35m

£151

LondonShannon

LGW - SNN

LGWSNN

London Gatwick

Tue 27/5

08:00-11:25

1 stop27h 25m

Shannon

Tue 3/6

13:00-20:10

2 stops7h 10m

£151

LondonShannon

LTN - SNN

LTNSNN

London Luton

Fri 13/6

17:15-12:45

1 stop19h 30m

Shannon

Fri 20/6

15:35-15:00

2 stops23h 25m

£153

LondonShannon

STN - SNN

STNSNN

London Stansted

Mon 7/7

06:20-22:50

2 stops16h 30m

Shannon

Thu 10/7

19:30-22:35

1 stop27h 05m

£153

LondonShannon

LTN - SNN

LTNSNN

London Luton

Tue 27/5

18:00-00:10

1 stop6h 10m

Shannon

Tue 3/6

08:20-16:00

2 stops7h 40m

£155

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 30/9

19:10-20:35

Nonstop1h 25m

Shannon

Tue 7/10

16:55-18:20

Nonstop1h 25m

£162

LondonShannon

LGW - SNN

LGWSNN

London Gatwick

Fri 22/8

19:15-20:50

Nonstop1h 35m

Shannon

Mon 25/8

12:40-14:15

Nonstop1h 35m

£203

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 13/5

09:50-11:20

Nonstop1h 30m

Shannon

Fri 6/6

07:40-09:05

Nonstop1h 25m

£216

LondonShannon

SEN - SNN

SENSNN

London Southend

Thu 29/5

07:15-21:40

1 stop14h 25m

Shannon

Thu 5/6

15:35-20:10

1 stop28h 35m

£278

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 27 results
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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 25 April 2025.

The best time to book flights from London to Shannon, Clare is 58 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 30 April 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 32% 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.

Weekly flight availability from London to Shannon, Clare

Explore weekly flight availability from London to Shannon. 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 30 April 2025.

The most flights from LON to SNN are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 30 April 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.

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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.

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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.

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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.

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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.

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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.

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

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 14 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 £28. Other airlines that can offer you cheap pricing are Aer Lingus, from £86, and British Airways, from £216. Ryanair is priced at 57% 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 £34. Users have also found prices from £49 and £116 on Aer Lingus and British Airways, respectively.

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

  • 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 £276, our data shows the cheapest flight currently is £63. When looking at the most popular route, (London Heathrow - Shannon), you can expect to pay £87 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 30 April 2025.

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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£54FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£87Average£131FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£168Average£218FlexibilityNo 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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