How long is the flight from Ireland to London Heathrow Airport?

A quick flight from Ireland to London Heathrow Airport can take about 1h 25m. Aer Lingus provides one of the quickest options available for as low as £79. Airlines will cover a distance of 388 mi. Generally, flights for this route are direct.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Ireland to London Heathrow Airport?

Most travelers choose Dublin - London Heathrow, Cork - London Heathrow or Shannon - London Heathrow when deciding on the best route from Ireland to London Heathrow Airport.

What are the cheapest flights from Ireland to London Heathrow Airport?

On average you can expect to pay £1,270 for a flight from Ireland to London Heathrow Airport. The cheapest flight overall is £49 while the most popular route, (Dublin - London Heathrow) is currently priced at £76.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to London Heathrow Airport on time: Air Canada (85%), Aer Lingus (76%), British Airways (75%).

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

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

How can I find direct flights from Ireland to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Ireland to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£31+ Cheap Flights from Ireland to London Heathrow Airport

Cheap flight deals from Ireland to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ireland to Heathrow
Explore the most affordable flight options available from Ireland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Sat 31/1018:30 -

Nonstop1h 20m

Sat 7/1116:20 -

Nonstop1h 25m

Deal found 16/9£68

Thu 1/1013:05 -

Nonstop1h 25m

Wed 14/1011:05 -

Nonstop1h 30m

Deal found 13/9£70

Wed 14/1016:50 -

Nonstop1h 30m

Wed 21/1009:50 -

Nonstop1h 30m

Deal found 17/9£73

Wed 28/1019:45 -

Nonstop1h 20m

Thu 29/1007:50 -

Nonstop1h 20m

Deal found 17/9£73

Sat 7/1111:55 -

Nonstop1h 20m

Sat 28/1118:05 -

Nonstop1h 20m

Deal found 16/9£73

Thu 15/1013:30 -

Nonstop1h 30m

Thu 22/1015:50 -

Nonstop1h 25m

Deal found 17/9£76

Thu 29/1020:05 -

Nonstop1h 20m

Thu 5/1118:05 -

Nonstop1h 20m

Deal found 14/9£76

Wed 7/1013:30 -

Nonstop1h 30m

Wed 14/1018:10 -

Nonstop1h 25m

Deal found 17/9£76

Tue 24/1117:30 -

Nonstop1h 20m

Sat 28/1114:00 -

Nonstop1h 25m

Deal found 16/9£76

Fri 13/1113:05 -

Nonstop1h 25m

Sun 15/1110:55 -

Nonstop1h 35m

Deal found 16/9£77

Thu 29/1020:40 -

Nonstop1h 20m

Mon 2/1115:25 -

Nonstop1h 30m

Deal found 17/9£77

Sat 14/1116:05 -

Nonstop1h 15m

Tue 17/1122:05 -

Nonstop1h 20m

Deal found 16/9£77

Best flights from Ireland to Heathrow
Discover carefully curated flight deals from Ireland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Fri 13/1113:05 -

Nonstop1h 25m

Sun 15/1110:55 -

Nonstop1h 35m

Deal found 15/9£79

Wed 6/110:30 -

Nonstop1h 30m

Sat 9/106:30 -

Nonstop1h 20m

Deal found 18/9£81

Wed 7/1010:40 -

1 stop5h 20m

Thu 15/1021:10 -

1 stop12h 50m

Deal found 13/9£129

Tue 29/921:15 -

Nonstop1h 25m

Wed 30/919:10 -

Nonstop1h 25m

Deal found 15/9£81

Thu 24/1220:40 -

Nonstop1h 20m

Fri 1/118:25 -

Nonstop1h 20m

Deal found 18/9£84

Sat 10/1017:10 -

1 stop14h 30m

Tue 13/1017:10 -

1 stop5h 25m

Deal found 15/9£178

Sat 3/1013:05 -

Nonstop1h 25m

Tue 6/1011:05 -

Nonstop1h 30m

Deal found 13/9£84

Fri 11/1220:35 -

Nonstop1h 20m

Sun 13/1208:25 -

Nonstop1h 30m

Deal found 17/9£85

Mon 2/1120:05 -

Nonstop1h 20m

Mon 9/1118:05 -

Nonstop1h 20m

Deal found 18/9£85

Sat 28/1120:40 -

Nonstop1h 20m

Mon 30/1106:30 -

Nonstop1h 20m

Deal found 16/9£87

Thu 29/1020:40 -

Nonstop1h 20m

Thu 5/1112:35 -

Nonstop1h 30m

Deal found 14/9£87

Sat 31/1010:40 -

1 stop7h 10m

Sat 7/1108:50 -

1 stop8h 25m

Deal found 16/9£129

Fri 20/1120:35 -

Nonstop1h 20m

Mon 23/1106:30 -

Nonstop1h 20m

Deal found 14/9£93

Tue 13/1010:25 -

1 stop5h 35m

Thu 22/1013:25 -

1 stop3h 55m

Deal found 15/9£134

Thu 15/1013:45 -

Nonstop1h 30m

Sat 17/1017:55 -

Nonstop1h 30m

Deal found 17/9£94

Fri 6/1115:15 -

2 stops16h 50m

Sat 7/1110:55 -

Nonstop1h 35m

Deal found 14/9£135

Wed 30/908:35 -

Nonstop1h 35m

Fri 2/1006:20 -

Nonstop1h 25m

Deal found 16/9£96

Tue 13/1006:15 -

1 stop7h 35m

Tue 20/1009:55 -

1 stop6h 40m

Deal found 15/9£178

Mon 5/1013:05 -

Nonstop1h 25m

Wed 7/1011:05 -

Nonstop1h 30m

Deal found 13/9£135

Wed 28/1017:35 -

1 stop3h 30m

Wed 4/1108:50 -

1 stop8h 20m

Deal found 13/9£140

Sat 3/1013:05 -

Nonstop1h 25m

Mon 5/1011:05 -

Nonstop1h 30m

Deal found 13/9£135

Wed 14/1013:05 -

Nonstop1h 25m

Wed 21/1007:40 -

2 stops9h 05m

Deal found 16/9£141

Thu 8/1013:00 -

Nonstop1h 30m

Sun 11/1014:50 -

Nonstop1h 30m

Deal found 15/9£108

Fri 30/1011:15 -

1 stop8h 00m

Mon 2/1117:50 -

1 stop5h 35m

Deal found 13/9£200

Thu 15/1010:40 -

1 stop5h 20m

Thu 22/1007:40 -

1 stop9h 40m

Deal found 17/9£145

Tue 27/1013:05 -

Nonstop1h 25m

Thu 29/1010:55 -

Nonstop1h 35m

Deal found 18/9£146

Sun 1/1119:25 -

Nonstop1h 20m

Tue 3/1118:25 -

Nonstop1h 20m

Deal found 15/9£112

Fri 30/1011:15 -

1 stop8h 00m

Fri 6/1117:50 -

1 stop5h 35m

Deal found 15/9£200

Thu 29/1007:50 -

Nonstop1h 25m

Thu 5/1109:50 -

2 stops10h 20m

Deal found 14/9£146

Thu 8/1010:40 -

1 stop8h 15m

Sat 10/1007:40 -

1 stop9h 50m

Deal found 16/9£147

Find flight deals from Ireland to Heathrow

Round-trip from	£68
One-way from	£31
Popular in	June
Cheapest in	September
Average price	£61
Good round-trip deal	£68 or less
Good one-way deal	£59 or less

Aer Lingus
31/10-7/11
Nonstop
2h 45m total
Ireland to London

Search Deals

Aer Lingus
10/11-31/12
Nonstop
1h 30m total
Ireland to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£8 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Ireland to London Heathrow.

Search Deals

Price to beat on a one-way flight from Ireland to London Heathrow.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ShannonLondon

SNN Shannon - LHR London Heathrow

SNNLHR

Shannon

Fri 23/10

21:15-22:40

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£35

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Sat 9/1

15:10-16:35

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

KnockLondon

NOC Knock Intl - LHR London Heathrow

NOCLHR

Knock Intl

Wed 21/10

13:05-14:30

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

ShannonLondon

SNN Shannon - LHR London Heathrow

SNNLHR

Shannon

Sun 18/10

07:30-09:05

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Wed 17/3

20:40-22:00

Nonstop1h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39

KnockLondon

NOC Knock Intl - LHR London Heathrow

NOCLHR

Knock Intl

Thu 22/10

13:05-14:30

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£40

CorkLondon

ORK Cork - LHR London Heathrow

ORKLHR

Cork

Thu 29/10

17:30-18:50

Nonstop1h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£41

KnockLondon

NOC Knock Intl - LHR London Heathrow

NOCLHR

Knock Intl

Wed 18/11

13:05-14:30

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£42

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Mon 12/10

08:30-10:05

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£43

CorkLondon

ORK Cork - LHR London Heathrow

ORKLHR

Cork

Wed 21/10

07:10-08:40

Nonstop1h 30m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ireland to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Ireland with our price prediction graph.

DUB-LHR

NOC-LHR

SNN-LHR

ORK-LHR

KIR-LHR

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 Ireland to London Heathrow Airport

IE0-LHR

DUB-LHR

NOC-LHR

SNN-LHR

ORK-LHR

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

Currently, January is the cheapest month in which you can book a flight from Ireland to London Heathrow Airport (average of £107). Flying from Ireland to London Heathrow Airport in December is currently the most expensive (average of £149). 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 IE to LHR?

It’s optimal to fly from Ireland to London Heathrow Airport in the evening. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Ireland to London Heathrow Airport

The most flights from IE0 to LHR are scheduled on a Thursday (82 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

How often are flights from Ireland to London delayed?

About 14% of weekly flights between Ireland and London have experienced delays in the past year, with the average delay time being 96 minutes.

What is the most punctual flight time for Ireland to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to London flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 13% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Ireland to London Heathrow Airport, 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 day to fly from Ireland to London Heathrow Airport?

Travellers seeking maximum savings on their Ireland to London Heathrow Airport flight should consider departing on Saturday evenings 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 Heathrow

See what other customers who have flown with Aer Lingus and British Airways from Ireland to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aer Lingus

7.3

Good

1,767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Aer Lingus

7.3

Good

1,767 reviews

Aer Lingus

7.3

Good

1,767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

British Airways

6.7

Okay

8,228 reviews

Aer Lingus

7.3

Good

1,767 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrick,Sept 2026

DUB - IAD

I had a great experience. Crew was great and very accommodating.

Related info for your journey

How long is the flight from Ireland to London Heathrow Airport?
A quick flight from Ireland to London Heathrow Airport can take about 1h 25m. Aer Lingus provides one of the quickest options available for as low as £79. Airlines will cover a distance of 388 mi. Generally, flights for this route are direct.
What are the most popular routes from Ireland to London Heathrow Airport?
Most travelers choose Dublin - London Heathrow, Cork - London Heathrow or Shannon - London Heathrow when deciding on the best route from Ireland to London Heathrow Airport.
What are the most reliable airlines from Ireland to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to London Heathrow Airport on time: Air Canada (85%), Aer Lingus (76%), British Airways (75%).
What are the cheapest flights from Ireland to London Heathrow Airport?
On average you can expect to pay £1,270 for a flight from Ireland to London Heathrow Airport. The cheapest flight overall is £49 while the most popular route, (Dublin - London Heathrow) is currently priced at £76.
Can I find deals for flights from Ireland to Heathrow that include hotel bookings?
Yes. In addition to deals on Ireland to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Heathrow.
Can I find deals for business class flights from Ireland to Heathrow?
Yes. Cheapflights offers flight deals from Ireland to Heathrow 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 Ireland to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Ireland to London Heathrow Airport (average of £107). Flying from Ireland to London Heathrow Airport in December is currently the most expensive (average of £149). 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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Top 2 airlines flying from Ireland to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£73	Average£149	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£93	Average£135	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Ireland to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Ireland.

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

Need flexible booking options for your flight to Heathrow from Ireland? 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 Ireland to Heathrow become cheaper?

Of course! You can now track prices for flights from Ireland to Heathrow 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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Cheap flights from Ireland to London Heathrow Airport from £31

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Heathrow

Cheapest flights from Ireland to HeathrowExplore the most affordable flight options available from Ireland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Explore the most affordable flight options available from Ireland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Ireland to HeathrowDiscover carefully curated flight deals from Ireland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Ireland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Ireland to HeathrowExplore direct flight options from Ireland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Explore direct flight options from Ireland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Ireland to HeathrowDiscover last-minute flight deals from Ireland to Heathrow. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Heathrow. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Ireland to HeathrowSearch for one-way flight options from Ireland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Ireland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Ireland to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to London Heathrow Airport that are best for you.

Best time to book a flight from Ireland to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Ireland with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from IE to LHR?

Find hourly flight availability from Ireland to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2026.

It’s optimal to fly from Ireland to London Heathrow Airport in the evening. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Ireland to London Heathrow Airport

Explore weekly flight availability from Ireland to Heathrow. 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 18 September 2026.

The most flights from IE0 to LHR are scheduled on a Thursday (82 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

How often are flights from Ireland to London delayed?

About 14% of weekly flights between Ireland and London have experienced delays in the past year, with the average delay time being 96 minutes.

What is the most punctual flight time for Ireland to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to London flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 13% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Ireland to London Heathrow Airport, 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 day to fly from Ireland to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Ireland to Heathrow. Price data was last updated on 12 September 2026.

Travellers seeking maximum savings on their Ireland to London Heathrow Airport flight should consider departing on Saturday evenings 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 Heathrow

See what other customers who have flown with Aer Lingus and British Airways from Ireland to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Ireland to London Heathrow Airport?

What are the most popular routes from Ireland to London Heathrow Airport?

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

What are the cheapest flights from Ireland to London Heathrow Airport?

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

How can I find direct flights from Ireland to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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Direct flights to England

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Search flights from Ireland to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Ireland and Heathrow flights

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Ireland to Heathrow flights

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Cheapest flights from Ireland to Heathrow
Explore the most affordable flight options available from Ireland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Ireland to Heathrow
Discover carefully curated flight deals from Ireland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Direct flights from Ireland to Heathrow
Explore direct flight options from Ireland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.

Last-minute flights from Ireland to Heathrow
Discover last-minute flight deals from Ireland to Heathrow. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Ireland to Heathrow
Search for one-way flight options from Ireland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.