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Cheap flights from London Heathrow Airport to Limerick from £68

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORK
27 Jun — 4 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Limerick are usually found in February or January, booked 62 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to Limerick

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 28 May 2026.

Sun 31/509:50
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Mon 29/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 25/5£113
Thu 6/819:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Tue 11/821:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 27/5£114
Wed 15/719:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Wed 22/707:30
SNN
-
LHR
Nonstop1h 35m
Aer Lingus
Deal found 27/5£118
Fri 12/619:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Wed 1/721:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 24/5£119
Thu 4/614:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Mon 8/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 25/5£121
Fri 5/619:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Wed 10/607:30
SNN
-
LHR
Nonstop1h 35m
Aer Lingus
Deal found 24/5£121
Wed 17/614:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Wed 17/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 25/5£122
Tue 2/619:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Tue 9/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 26/5£123
Tue 2/609:50
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Fri 5/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 24/5£124
Thu 11/614:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Sun 14/621:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 26/5£124
Fri 17/714:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Mon 20/721:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 26/5£125
Wed 8/719:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Thu 23/716:50
SNN
-
LHR
Nonstop1h 30m
Aer Lingus
Deal found 25/5£126

Find flight deals from Heathrow to Limerick

Keep the following information in mind while searching for Heathrow to Limerick flight deals. Data was last updated 28 May 2026.

Round-trip from

£113

One-way from

£68

Popular in

June

Cheapest in

February

Average price

£161
Aer Lingus
  • Aer Lingus
  • 11/6-15/6
  • Nonstop
  • 2h 55m total
  • London to Limerick
Search Deals
Aer Lingus
  • Aer Lingus
  • 21/7
  • Nonstop
  • 1h 25m total
  • London to Limerick
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£14 potential increase over avg. return price).
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 May 2026
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 28 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Limerick that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 13/6

18:10-16:35

2 stops22h 25m

Shannon

Sat 20/6

17:25-18:55

Nonstop1h 30m

£180

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 10/10

14:20-15:50

Nonstop1h 30m

Shannon

Wed 14/10

21:15-22:40

Nonstop1h 25m

£207

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 11/10

19:10-20:35

Nonstop1h 25m

Shannon

Mon 12/10

21:15-22:40

Nonstop1h 25m

£207
Fastest return journey

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 6/11

18:05-19:25

Nonstop1h 20m

Shannon

Sun 8/11

17:30-18:55

Nonstop1h 25m

£220

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 11/6

19:10-20:35

Nonstop1h 25m

Shannon

Sun 14/6

07:30-09:05

Nonstop1h 35m

£221

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 11/6

19:10-20:35

Nonstop1h 25m

Shannon

Mon 15/6

21:15-22:40

Nonstop1h 25m

£221

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 8/6

09:50-11:20

Nonstop1h 30m

Shannon

Fri 12/6

16:50-18:20

Nonstop1h 30m

£221

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 13/10

19:10-20:35

Nonstop1h 25m

Shannon

Thu 15/10

07:30-09:05

Nonstop1h 35m

£221

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 19/9

09:50-11:20

Nonstop1h 30m

Shannon

Tue 29/9

21:15-22:40

Nonstop1h 25m

£236

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 12/6

19:10-20:35

Nonstop1h 25m

Shannon

Tue 16/6

21:15-22:40

Nonstop1h 25m

£237

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

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 28 May 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from London Heathrow Airport to Limerick by exploring options for tickets in the afternoon.

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 28 May 2026.

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 (16 on average).

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

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 23 May 2026.

Travellers seeking maximum savings on their London Heathrow Airport to Limerick flight should consider departing on Saturday 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.

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 28 May 2026.
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
7.3
Good
1,587 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

6.7

Entertainment

7.0

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!
Aer Lingus
7.3
Good
1,587 reviews
Aer Lingus
7.3
Good
1,587 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

6.7

Entertainment

7.0

Comfort

7.2

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!

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 and British Airways 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: Air Canada (92%), Qatar Airways (91%), Aer Lingus( 91%).

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

    The cheapest flight price from London Heathrow Airport to Limerick is £83. On average you can expect to pay £143. The most popular route, (London Heathrow - Shannon), can usually be booked for £114.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 28 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£88Average£150FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£95Average£237FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

When you search for this flight from Heathrow to Limerick, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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