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Cheap flights from London to Shannon from £29

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SNN
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

£29

Popular in

July

Cheapest in

February

Average price

£55

Good round-trip deal

£32 or less

Good one-way deal

£15 or less
Ryanair
  • Ryanair
  • 21/3-23/3
  • Nonstop
  • 3h 00m total
  • London to Shannon
Highest demand for flights based on searches. 11% potential increase in price (£8 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in February 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 21 February 2025.

Fri 2/521:30STN - SNN
Nonstop1h 30mRyanair
Tue 13/522:30SNN - STN
Nonstop1h 29mRyanair
Deal found 20/2£44
Thu 27/313:10LGW - SNN
Nonstop1h 30mRyanair
Sun 30/311:20SNN - LGW
Nonstop1h 35mRyanair
Deal found 20/2£49
Tue 1/419:10LHR - SNN
Nonstop1h 25mAer Lingus
Fri 11/421:15SNN - LHR
Nonstop1h 25mAer Lingus
Deal found 20/2£73
Sat 26/418:50STN - SNN
1 stop18h 00mMultiple Airlines
Mon 28/422:15SNN - STN
Nonstop1h 30mMultiple Airlines
Deal found 20/2£78
Thu 27/314:55LGW - SNN
2 stops27h 15mMultiple Airlines
Sun 30/311:20SNN - LGW
Nonstop1h 35mMultiple Airlines
Deal found 20/2£102
Tue 1/421:35LHR - SNN
1 stop16h 15mMultiple Airlines
Fri 4/421:15SNN - LHR
Nonstop1h 25mMultiple Airlines
Deal found 20/2£130
Tue 22/421:50LTN - SNN
2 stops16h 00mMultiple Airlines
Fri 25/415:35SNN - LTN
2 stops23h 25mMultiple Airlines
Deal found 19/2£151
Thu 27/320:05LTN - SNN
2 stops17h 45mRyanair
Sun 30/310:15SNN - LTN
1 stop10h 00mRyanair
Deal found 20/2£162
Tue 25/315:20LHR - SNN
Nonstop1h 25mBritish Airways
Sun 30/321:15SNN - LHR
Nonstop1h 25mBritish Airways
Deal found 21/2£218
Thu 27/308:30LCY - SNN
2 stops33h 40mMultiple Airlines
Sun 30/315:10SNN - LCY
2 stops23h 50mMultiple Airlines
Deal found 20/2£383

Find flights from London to Shannon within your budget

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 21 February 2025.

Fly from

London

Fly to

Shannon

Route

Depart

Return

Price

LondonShannon

STN - SNN

STNSNN

London Stansted

Sat 26/4

18:50-12:50

1 stop18h 00m

Shannon

Mon 28/4

22:15-23:45

Nonstop1h 30m

£78

LondonShannon

LGW - SNN

LGWSNN

London Gatwick

Sun 23/3

17:50-19:20

Nonstop1h 30m

Shannon

Thu 27/3

11:15-12:45

Nonstop1h 30m

£78

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 20/3

18:05-19:25

Nonstop1h 20m

Shannon

Thu 27/3

17:30-18:55

Nonstop1h 25m

£86

LondonShannon

STN - SNN

STNSNN

London Stansted

Sun 23/3

08:05-12:10

1 stop28h 05m

Shannon

Sat 29/3

05:55-07:25

Nonstop1h 30m

£98

LondonShannon

LGW - SNN

LGWSNN

London Gatwick

Thu 27/3

14:55-18:10

2 stops27h 15m

Shannon

Sun 30/3

11:20-12:55

Nonstop1h 35m

£102

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 1/4

21:35-13:50

1 stop16h 15m

Shannon

Fri 4/4

21:15-22:40

Nonstop1h 25m

£130

LondonShannon

LTN - SNN

LTNSNN

London Luton

Tue 22/4

21:50-13:50

2 stops16h 00m

Shannon

Fri 25/4

15:35-15:00

2 stops23h 25m

£151

LondonShannon

LTN - SNN

LTNSNN

London Luton

Thu 27/3

20:05-13:50

2 stops17h 45m

Shannon

Sun 30/3

10:15-20:15

1 stop10h 00m

£162

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 25/3

15:20-16:45

Nonstop1h 25m

Shannon

Sun 30/3

21:15-22:40

Nonstop1h 25m

£218

LondonShannon

LCY - SNN

LCYSNN

London City

Thu 27/3

08:30-18:10

2 stops33h 40m

Shannon

Sun 30/3

15:10-15:00

2 stops23h 50m

£383

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 23 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.

Travel insights for flights from London to Shannon

Get recent, data-driven insights about flights from London to Shannon including ideal travel times, pricing trends, and more.

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 14 February 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 21 February 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 21 February 2025.

The most flights from LON to SNN are scheduled on a Thursday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 21 February 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.

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20

6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

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 13 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 £73, and British Airways, from £218. Ryanair is priced at 62% 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 £45. Users have also found prices from £49 and £118 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 £126, our data shows the cheapest flight currently is £47. When looking at the most popular route, (London Heathrow - Shannon), you can expect to pay £86 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.

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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 21 February 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£52FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£94Average£142FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£172Average£229FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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