Find flights
Deals
When to book
Airlines
FAQs

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORK
3 May — 10 May1
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 3 April 2026.

Wed 29/414:40
LHR
-
SNN
Nonstop1h 30m
Aer Lingus
Wed 6/516:50
SNN
-
LHR
Nonstop1h 30m
Aer Lingus
Deal found 30/3£95
Wed 13/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Wed 20/521:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 29/3£96
Wed 6/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Sat 9/516:50
SNN
-
LHR
Nonstop1h 30m
Aer Lingus
Deal found 30/3£97
Wed 29/419:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Fri 1/521:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 30/3£100
Tue 5/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Fri 8/521:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 29/3£101
Wed 8/419:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Mon 13/421:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 29/3£101
Tue 28/419:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Tue 5/521:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 29/3£106
Sun 10/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Wed 20/521:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 2/4£108
Wed 8/419:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Thu 9/421:15
SNN
-
LHR
Nonstop1h 25m
Aer Lingus
Deal found 29/3£109
Thu 7/519:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Tue 12/516:50
SNN
-
LHR
Nonstop1h 30m
Aer Lingus
Deal found 31/3£110
Mon 20/419:10
LHR
-
SNN
Nonstop1h 25m
Aer Lingus
Tue 21/416:50
SNN
-
LHR
Nonstop1h 30m
Aer Lingus
Deal found 1/4£113

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 3 April 2026.

Round-trip from

£95

One-way from

£48

Popular in

June

Cheapest in

February

Average price

£125
Aer Lingus
  • Aer Lingus
  • 29/4-6/5
  • Nonstop
  • 3h 00m total
  • London to Limerick
Search Deals
Aer Lingus
  • Aer Lingus
  • 21/4
  • Nonstop
  • 1h 30m total
  • London to Limerick
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 3 April 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
Fastest return journey

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 12/5

19:10-20:35

Nonstop1h 25m

Shannon

Tue 19/5

21:15-22:40

Nonstop1h 25m

£95

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 17/4

19:10-20:35

Nonstop1h 25m

Shannon

Mon 20/4

21:15-22:40

Nonstop1h 25m

£124

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 4/6

09:50-11:20

Nonstop1h 30m

Shannon

Sat 6/6

07:30-09:05

Nonstop1h 35m

£221

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 13/5

19:10-20:35

Nonstop1h 25m

Shannon

Sat 16/5

17:25-18:55

Nonstop1h 30m

£221

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 12/4

09:50-11:20

Nonstop1h 30m

Shannon

Sun 19/4

07:30-09:05

Nonstop1h 35m

£237

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 30/4

19:10-20:35

Nonstop1h 25m

Shannon

Sun 3/5

21:15-22:40

Nonstop1h 25m

£238

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 19/8

18:00-12:00

1 stop18h 00m

Shannon

Mon 24/8

21:15-22:40

Nonstop1h 25m

£288

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 1/5

21:10-16:10

3 stops19h 00m

Shannon

Fri 8/5

07:30-09:05

Nonstop1h 35m

£295

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 18/4

10:30-06:00

1 stop19h 30m

Shannon

Mon 20/4

14:30-07:20

1 stop16h 50m

£1,102
Cheapest one-way

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 3/7

14:40-16:10

Nonstop1h 30m

£82

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 15 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

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 2 April 2026.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Limerick, you should look to book at least 62 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 £33). Flying from London Heathrow Airport to Limerick in August is currently the most expensive (average of £109). 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 3 April 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 evening.

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 28 March 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.

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 3 April 2026.

The most flights from LHR to LR9 are scheduled on a Monday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 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 3 April 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
7.2
Good
1,496 reviews
Check prices

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.6

Overall

7.2

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
Aer Lingus
7.2
Good
1,496 reviews
Aer Lingus
7.2
Good
1,496 reviews
Check prices

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.6

Overall

7.2

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.

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 25m. 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: Qatar Airways (89%), Aer Lingus (89%), British Airways( 88%).

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

    The cheapest flight price from London Heathrow Airport to Limerick is £79. On average you can expect to pay £137. The most popular route, (London Heathrow - Shannon), can usually be booked for £98.

  • 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 £33). Flying from London Heathrow Airport to Limerick in August is currently the most expensive (average of £109). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£89Average£152FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£96Average£263FlexibilityNo 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 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.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Limerick for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

Can Cheapflights notify me if prices for flights from Heathrow to Limerick 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.