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Cheap flights from London Heathrow Airport to Shannon from £85

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SNN
24 12月 — 31 12月1
1 adult

The best prices from London Heathrow to Shannon are usually found in January or February, booked 87 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 19 12月 2024.

Round-trip from

£85

Popular in

December

Cheapest in

January

Average price

£170
Aer Lingus
  • Aer Lingus
  • 5/1-31/1
  • Nonstop
  • 2h 50m total
  • London to Shannon
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High demand for flights, 2% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Heathrow to Shannon

Cheapest flights from Heathrow to Shannon
Explore the most affordable flight options available from Heathrow to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 12月 2024.

週一 23/1218:05LHR - SNN
Nonstop1h 20mAer Lingus
週二 24/1207:45SNN - LHR
Nonstop1h 30mAer Lingus
Deal found 18/12£252
週五 27/1210:25LHR - SNN
3 stops25h 45mMultiple Airlines
週二 31/1220:05SNN - LHR
Nonstop1h 20mMultiple Airlines
Deal found 18/12£291
週五 27/1218:05LHR - SNN
Nonstop1h 20mBritish Airways
週二 31/1220:05SNN - LHR
Nonstop1h 20mBritish Airways
Deal found 18/12£336
週四 19/1212:55LHR - SNN
1 stop17h 05mAmerican Airlines
週一 23/1214:45SNN - LHR
1 stop17h 05mAmerican Airlines
Deal found 18/12£7,116

Find flights from Heathrow to Shannon within your budget

Customise your flight search to find flights from Heathrow 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 19 12月 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週五 10/1

18:05-19:25

Nonstop1h 20m

Shannon

週日 12/1

20:05-21:25

Nonstop1h 20m

£259

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週五 17/1

06:00-07:25

3 stops25h 25m

Shannon

週五 31/1

20:05-21:25

Nonstop1h 20m

£261

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週四 23/1

10:00-11:30

Nonstop1h 30m

Shannon

週日 26/1

14:45-05:55

1 stop15h 10m

£1,675

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週五 10/1

08:40-06:15

1 stop21h 35m

Shannon

週日 12/1

14:45-05:55

1 stop15h 10m

£6,865

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週四 22/5

11:05-07:30

1 stop20h 25m

Shannon

週一 26/5

09:30-06:20

1 stop20h 50m

£13,693

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週日 16/3

15:20-16:45

Nonstop1h 25m

£86

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週六 15/3

08:00-20:00

1 stop12h 00m

£92

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週四 26/12

18:05-19:25

Nonstop1h 20m

£113

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

週六 10/5

16:00-10:30

1 stop18h 30m

£3,566

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Best time to book a flight from Heathrow to Shannon

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

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

How far ahead should I book a flight from London Heathrow Airport to Shannon?

Use this chart to determine the optimal time to book a return flight from Heathrow to Shannon. Price data was last updated on 13 December 2024.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Shannon, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Shannon?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Shannon (average of £69). Flying from London Heathrow Airport to Shannon in August is currently the most expensive (average of £120). 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 LHR to SNN?

Find hourly flight availability from Heathrow 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 19 12月 2024.

When flying from London Heathrow Airport to Shannon, 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 5% versus a flight in the morning.

What is the cheapest day to fly from London Heathrow Airport to Shannon?

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

Travellers seeking maximum savings on their London Heathrow Airport to Shannon flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Shannon

Explore weekly flight availability from Heathrow 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 19 12月 2024.

The most flights from LHR to SNN are scheduled on a Monday (14 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 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 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, 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 19 12月 2024.
Read reviews from past customers who have flown Aer Lingus and British Airways from London to Shannon. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,048 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Reviews

1 / 10

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

United Airlines
7.4
Good
9,048 reviews
United Airlines
7.4
Good
9,048 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
9,048 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,078 reviews
United Airlines
7.4
Good
9,048 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Reviews

1 / 10

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

British Airways
6.6
Okay
6,817 reviews
United Airlines
7.4
Good
9,048 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Overall

7.4

Reviews

1 / 10

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 Heathrow 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 Heathrow?

    For a flight from London Heathrow to Shannon, you will be flying into Shannon. Shannon (SNN) is just 2.1 mi from the center of the city. Shannon is the only Shannon airport and it handles 12 inbound flights from London Heathrow per day. 3 airlines have flights to Shannon from London Heathrow on a regular basis.

  • What are the cheapest airlines flying from London Heathrow Airport to Shannon round-trip?

    According to our current data, Aer Lingus (£85), British Airways (£215), and American Airlines (£6,865) offers the cheapest pricing from London Heathrow Airport to Shannon. You may be able to fly from London Heathrow Airport to Shannon for 37% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London Heathrow Airport to Shannon one-way?

    £86 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on British Airways and United Airlines, with prices starting from £113 and £3,566, respectively.

  • What are the most reliable airlines from London Heathrow Airport to Shannon?

    Before booking your flight to Shannon from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (0%), Qatar Airways (0%), Air Canada( 0%).

  • What are the cheapest flights from London Heathrow Airport to Shannon?

    While on average a flight from London Heathrow Airport to Shannon is generally £414, our data shows the cheapest flight currently is £72. 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 Heathrow to Shannon that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Shannon?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Shannon (average of £69). Flying from London Heathrow Airport to Shannon in August is currently the most expensive (average of £120). 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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Alternative routes for Heathrow to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
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Southend to Shannon flights

Top 3 airlines flying from Heathrow to Shannon

Discover the top 3 airlines that operate flights from Heathrow 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 19 12月 2024.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£44FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£94Average£139FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£171Average£224FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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

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 Heathrow to Shannon.

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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