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Cheap flights from London Heathrow Airport to Limerick from £48

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORK
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Limerick are usually found in January or March, booked 80 days in advance, depart on a Friday or Thursday and return on a Sunday

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Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Limerick
Explore the most affordable flight options available from Heathrow to Limerick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Mon 24/1110:00LHR - SNN
Nonstop1h 30mAer Lingus
Mon 1/1220:05SNN - LHR
Nonstop1h 20mAer Lingus
Deal found 27/10£90
Sun 23/1110:00LHR - SNN
Nonstop1h 30mAer Lingus
Sun 30/1120:05SNN - LHR
Nonstop1h 20mAer Lingus
Deal found 27/10£93
Mon 3/1118:05LHR - SNN
Nonstop1h 20mAer Lingus
Sat 15/1117:25SNN - LHR
Nonstop1h 25mAer Lingus
Deal found 27/10£94
Mon 3/1118:05LHR - SNN
Nonstop1h 20mAer Lingus
Thu 6/1120:05SNN - LHR
Nonstop1h 20mAer Lingus
Deal found 28/10£96
Thu 6/1115:15LHR - SNN
Nonstop1h 30mAer Lingus
Mon 10/1120:05SNN - LHR
Nonstop1h 20mAer Lingus
Deal found 28/10£97
Thu 6/1110:00LHR - SNN
Nonstop1h 30mAer Lingus
Fri 7/1120:05SNN - LHR
Nonstop1h 20mAer Lingus
Deal found 28/10£98
Tue 25/1110:00LHR - SNN
Nonstop1h 30mAer Lingus
Sat 29/1117:25SNN - LHR
Nonstop1h 25mAer Lingus
Deal found 27/10£98
Thu 27/1115:15LHR - SNN
Nonstop1h 30mAer Lingus
Sat 29/1117:25SNN - LHR
Nonstop1h 25mAer Lingus
Deal found 28/10£99
Sat 8/1110:00LHR - SNN
Nonstop1h 30mAer Lingus
Mon 10/1120:05SNN - LHR
Nonstop1h 20mAer Lingus
Deal found 27/10£100
Tue 4/1115:15LHR - SNN
Nonstop1h 30mAer Lingus
Tue 11/1120:05SNN - LHR
Nonstop1h 20mAer Lingus
Deal found 28/10£101

Cheap flight deals from Heathrow to Limerick

Keep the following information in mind while searching for Heathrow to Limerick flight deals. Data was last updated 29 October 2025.

Round-trip from

£90

One-way from

£48

Popular in

December

Cheapest in

January

Average price

£146
Aer Lingus
  • Aer Lingus
  • 24/11-1/12
  • Nonstop
  • 2h 50m total
  • London to Limerick
Search Deals
Aer Lingus
  • Aer Lingus
  • 12/11
  • Nonstop
  • 1h 20m total
  • London to Limerick
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Limerick 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 29 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Limerick that are best for you.

Fly from

Heathrow

Fly to

Limerick

Route

Depart

Return

Price

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 12/11

18:05-19:25

Nonstop1h 20m

Shannon

Thu 13/11

20:05-21:25

Nonstop1h 20m

£96

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 11/11

10:00-11:30

Nonstop1h 30m

Shannon

Fri 14/11

20:05-21:25

Nonstop1h 20m

£110

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 22/11

14:15-15:45

Nonstop1h 30m

Shannon

Mon 24/11

20:05-21:25

Nonstop1h 20m

£112

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 8/1

10:00-11:30

Nonstop1h 30m

Shannon

Mon 12/1

07:50-09:15

Nonstop1h 25m

£131

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 27/4

09:50-11:20

Nonstop1h 30m

Shannon

Mon 27/4

21:15-22:40

Nonstop1h 25m

£135

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 25/11

10:00-11:30

Nonstop1h 30m

Shannon

Tue 2/12

05:50-18:15

1 stop12h 25m

£137

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 12/12

18:05-19:25

Nonstop1h 20m

Shannon

Sun 14/12

07:50-09:15

Nonstop1h 25m

£156

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 7/12

09:55-21:45

2 stops11h 50m

Shannon

Wed 10/12

20:05-21:25

Nonstop1h 20m

£174

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 26/12

18:05-19:25

Nonstop1h 20m

Shannon

Wed 31/12

20:05-21:25

Nonstop1h 20m

£174

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 7/12

09:55-21:45

2 stops11h 50m

Shannon

Tue 9/12

20:05-21:25

Nonstop1h 20m

£181

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 22 results
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Best time to book a flight from Heathrow to Limerick

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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Limerick

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Limerick. Price data was last updated on 24 October 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Limerick, you should look to book at least 80 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 Limerick?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Limerick (average of £69). Flying from London Heathrow Airport to Limerick in August is currently the most expensive (average of £104). 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 LR9?

Find hourly flight availability from Heathrow to Limerick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from London Heathrow Airport to Limerick by exploring options for tickets at midday.

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

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

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

Weekly flight availability from London Heathrow Airport to Limerick

Explore weekly flight availability from Heathrow to Limerick. 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 29 October 2025.

The most flights from LHR to LR9 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 (14 on average).

How much does it cost for a return flight from London Heathrow Airport to Limerick?

Reviews of airlines servicing Limerick

Get insights into the airlines that provide service to Limerick. 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 Limerick. Reviews last updated 29 October 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Limerick, such as Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,361 reviews
Check prices

Boarding

7.4

Entertainment

6.9

Crew

8.0

Comfort

7.1

Overall

7.2

Food

6.6

Reviews

1 / 20
6.0
Good

David,Oct 2025

LIS - DUB

Two issues... 1. The Aer Lingus check-in counter in Lisbon did not open until 90 minutes prior to the flight. Huge line of customers waiting to check-in and very time consuming. Plus, having to clear security, passport control, and take the shuttle bus to the plane takes a long time. Consequently, the flight was delayed due to passengers not being able to get to the gate on time. I showed up four hours early but had to wait for over two hours just for the check-in counter to open. Many passengers complaining about the same issue. VERY STRESSFUL! 2. During the flight one of the flight attendants (Glen) was quite rude to a parent of a non-verbal autistic child. At one point I heard him say in a nasty tone, "You have three seconds to put your bag under the seat or I will take it and check it. 3, 2, 1!" I did not speak to the flight attendant because I was afraid he would kick me off the flight. Very unpleasant to everyone before take off also while instructing them to put the seats up and bags under. A little interpersonal communication training could help this man. Other than those two issues, the flight was fine.
Aer Lingus
7.2
Good
1,361 reviews
Aer Lingus
7.2
Good
1,361 reviews
Check prices

Boarding

7.4

Entertainment

6.9

Crew

8.0

Comfort

7.1

Overall

7.2

Food

6.6

Reviews

1 / 20
6.0
Good

David,Oct 2025

LIS - DUB

Two issues... 1. The Aer Lingus check-in counter in Lisbon did not open until 90 minutes prior to the flight. Huge line of customers waiting to check-in and very time consuming. Plus, having to clear security, passport control, and take the shuttle bus to the plane takes a long time. Consequently, the flight was delayed due to passengers not being able to get to the gate on time. I showed up four hours early but had to wait for over two hours just for the check-in counter to open. Many passengers complaining about the same issue. VERY STRESSFUL! 2. During the flight one of the flight attendants (Glen) was quite rude to a parent of a non-verbal autistic child. At one point I heard him say in a nasty tone, "You have three seconds to put your bag under the seat or I will take it and check it. 3, 2, 1!" I did not speak to the flight attendant because I was afraid he would kick me off the flight. Very unpleasant to everyone before take off also while instructing them to put the seats up and bags under. A little interpersonal communication training could help this man. Other than those two issues, the flight was fine.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Limerick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to Limerick?

    Airlines like Aer Lingus fly from London Heathrow Airport to Limerick in about 1h 20m. The time it takes to get you to your destination is usually consistent. The distance between London Heathrow Airport and Limerick is about 368 mi. Most flights are nonstop.

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

    Before booking your flight to Limerick from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: British Airways (84%), Qatar Airways (83%), Aer Lingus( 83%).

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

    The cheapest flight price from London Heathrow Airport to Limerick is £82. On average you can expect to pay £135. The most popular route, (London Heathrow - Shannon), can usually be booked for £93.

  • Can I find deals for flights from Heathrow to Limerick that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Limerick 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 Limerick?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Limerick (average of £69). Flying from London Heathrow Airport to Limerick in August is currently the most expensive (average of £104). 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 Limerick

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Heathrow to Limerick

Discover the top 2 airlines that operate flights from Heathrow to Limerick. 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 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£79Average£144FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£192Average£255FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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