Question 1

How does KAYAK find such low prices on flights from London Heathrow Airport to Ireland?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Ireland. <a href='/flight-routes/London-Heathrow-LHR/Ireland-IE0'>Visit our flight page for the latest deals!>/a>

Question 2

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Ireland?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to Ireland is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/London-Heathrow-LHR/Ireland-IE0'>Visit our flight page for the latest deals!>/a>

Question 3

What is the Hacker Fare option on flights from London Heathrow Airport to Ireland?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London Heathrow Airport to Ireland with an airline and back with another airline. <a href='/flight-routes/London-Heathrow-LHR/Ireland-IE0'>Visit our flight page for the latest deals!>/a>

Question 4

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Ireland?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Heathrow Airport to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/London-Heathrow-LHR/Ireland-IE0'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines fly most frequently between London Heathrow Airport and Ireland?

Accepted Answer

London Heathrow Airport and Ireland are connected by different airlines. The airlines that fly that route the most regularly are British Airways (183 flights per week), Aer Lingus (178 flights per week), and Qatar Airways (152 flights per week).

Question 6

Which airlines fly most frequently between London Heathrow Airport and Ireland?

Accepted Answer

London Heathrow Airport and Ireland are connected by different airlines. The airlines that fly that route the most regularly are British Airways (183 flights per week), Aer Lingus (178 flights per week), and Qatar Airways (152 flights per week).

Question 7

Which cabin class options are there for flights between London Heathrow Airport and Ireland?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 8

Which cabin class options are there for flights between London Heathrow Airport and Ireland?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 9

Which airlines provide the cheapest flights from London Heathrow Airport to Ireland?

Accepted Answer

In the past 3 days, the cheapest return tickets from London Heathrow Airport to Ireland were found on British Airways (€84) and Aer Lingus (€99).

Question 10

Which airlines provide the cheapest flights from London Heathrow Airport to Ireland?

Accepted Answer

In the past 3 days, the cheapest return tickets from London Heathrow Airport to Ireland were found on British Airways (€84) and Aer Lingus (€99).

Question 11

What’s the cheapest day of the week to fly from London Heathrow Airport to Ireland?

Accepted Answer

For London Heathrow Airport to Ireland, Tuesday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Ireland back to London Heathrow Airport, the best deals are generally found on Friday, with Sunday being the most expensive.

Question 12

What’s the cheapest day of the week to fly from London Heathrow Airport to Ireland?

Accepted Answer

For London Heathrow Airport to Ireland, Tuesday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Ireland back to London Heathrow Airport, the best deals are generally found on Friday, with Sunday being the most expensive.

Question 13

What is the cheapest time of day to fly to Ireland?

Accepted Answer

The cheapest time of day to fly to Ireland is generally in the evening, when retur flights cost €153 on average. Morning departures are around 7% more expensive than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the morning, which is peak travel time and where the average cost of a ticket is €164.

Question 14

What is the cheapest month to fly from London Heathrow Airport to Ireland?

Accepted Answer

The cheapest month for flights from London Heathrow Airport to Ireland is January, when tickets cost €122 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is €168 and €162 respectively.

Question 15

What is the cheapest month to fly from London Heathrow Airport to Ireland?

Accepted Answer

The cheapest month for flights from London Heathrow Airport to Ireland is January, when tickets cost €122 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is €168 and €162 respectively.

Question 16

What is the cheapest London Heathrow Airport to Ireland flight route?

Accepted Answer

The cheapest ticket to Ireland from London Heathrow Airport found in the last 72 hours was to Dublin, at €104 return. The most popular route is from London Heathrow Airport (LHR) to Cork (ORK), and the cheapest round-trip airline ticket found on this route in the last 72 hours was €143.

Question 17

What is the cheapest London Heathrow Airport to Ireland flight route?

Accepted Answer

The cheapest ticket to Ireland from London Heathrow Airport found in the last 72 hours was to Dublin, at €104 return. The most popular route is from London Heathrow Airport (LHR) to Cork (ORK), and the cheapest round-trip airline ticket found on this route in the last 72 hours was €143.

Question 18

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

Accepted Answer

To get a below-average price on a flight from London Heathrow Airport to Ireland, you should book around 5 weeks before departure, which saves you about 41% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Question 19

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

Accepted Answer

To get a below-average price on a flight from London Heathrow Airport to Ireland, you should book around 5 weeks before departure, which saves you about 41% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Question 20

Which airlines fly direc between London Heathrow Airport and Ireland?

Accepted Answer

There is just one airline that flies from London Heathrow Airport to Ireland direct and that is British Airways. The best return deal found from British Airways for the route is to Dublin (DUB) and costs €94.

Question 21

Which airlines fly direc between London Heathrow Airport and Ireland?

Accepted Answer

There is just one airline that flies from London Heathrow Airport to Ireland direct and that is British Airways. The best return deal found from British Airways for the route is to Dublin (DUB) and costs €94.

Question 22

What’s the earliest departure time from London Heathrow Airport to Ireland?

Accepted Answer

The earliest flight from London Heathrow Airport to Ireland departs at 06:30, landing in Dublin at 07:55.

Question 23

How many flights are there between London Heathrow Airport and Ireland per day?

Accepted Answer

Each day, there are between 22 and 26 direct flights that take off from London Heathrow Airport and land in Ireland, with an average flight time of 1h 24m. The most common departure time is 18:00 and most flights take off in the morning, while the most flights land at Dublin. Each week, there are 168 flights. The most frequent day of departure is Friday, when 15% of all weekly flights depart. The fewest flights depart on a Tuesday.

Question 24

How many flights are there between London Heathrow Airport and Ireland per day?

Accepted Answer

Each day, there are between 22 and 26 direct flights that take off from London Heathrow Airport and land in Ireland, with an average flight time of 1h 24m. The most common departure time is 18:00 and most flights take off in the morning, while the most flights land at Dublin. Each week, there are 168 flights. The most frequent day of departure is Friday, when 15% of all weekly flights depart. The fewest flights depart on a Tuesday.

Question 25

How long does a flight from London Heathrow Airport to Ireland take?

Accepted Answer

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from London Heathrow Airport are to Shannon, which takes 1h 20m, Cork, which takes 1h 20m, and Dublin, which takes 1h 25m.

Question 26

How long does a flight from London Heathrow Airport to Ireland take?

Accepted Answer

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from London Heathrow Airport are to Shannon, which takes 1h 20m, Cork, which takes 1h 20m, and Dublin, which takes 1h 25m.

Question 27

What’s the latest departure time from London Heathrow Airport to Ireland?

Accepted Answer

If you prefer to fly at night, the last flight from London Heathrow Airport to Ireland sets off at 20:45 and lands in Dublin at 22:05.

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High season	August
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€43 Find Cheap Flights from London Heathrow Airport to Ireland

KAYAK searches hundreds of travel sites at once for deals on flights to Ireland

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KAYAK's insights & trends for Heathrow to Ireland flights

Get data-powered insights and trends into flights from Heathrow to Ireland to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest London Heathrow Airport to Ireland flight route?

The cheapest ticket to Ireland from London Heathrow Airport found in the last 72 hours was to Dublin, at €104 return. The most popular route is from London Heathrow Airport (LHR) to Cork (ORK), and the cheapest round-trip airline ticket found on this route in the last 72 hours was €143.

What is the cheapest month to fly from London Heathrow Airport to Ireland?

The cheapest month for flights from London Heathrow Airport to Ireland is January, when tickets cost €122 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is €168 and €162 respectively.

What’s the cheapest day of the week to fly from London Heathrow Airport to Ireland?

For London Heathrow Airport to Ireland, Tuesday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Ireland back to London Heathrow Airport, the best deals are generally found on Friday, with Sunday being the most expensive.

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

To get a below-average price on a flight from London Heathrow Airport to Ireland, you should book around 5 weeks before departure, which saves you about 41% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Which airlines fly direc between London Heathrow Airport and Ireland?

There is just one airline that flies from London Heathrow Airport to Ireland direct and that is British Airways. The best return deal found from British Airways for the route is to Dublin (DUB) and costs €94.

Which airlines fly most frequently between London Heathrow Airport and Ireland?

London Heathrow Airport and Ireland are connected by different airlines. The airlines that fly that route the most regularly are British Airways (183 flights per week), Aer Lingus (178 flights per week), and Qatar Airways (152 flights per week).

Which airlines provide the cheapest flights from London Heathrow Airport to Ireland?

In the past 3 days, the cheapest return tickets from London Heathrow Airport to Ireland were found on British Airways (€84) and Aer Lingus (€99).

How long does a flight from London Heathrow Airport to Ireland take?

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from London Heathrow Airport are to Shannon, which takes 1h 20m, Cork, which takes 1h 20m, and Dublin, which takes 1h 25m.

Which cabin class options are there for flights between London Heathrow Airport and Ireland?

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between London Heathrow Airport and Ireland per day?

What’s the earliest departure time from London Heathrow Airport to Ireland?

The earliest flight from London Heathrow Airport to Ireland departs at 06:30, landing in Dublin at 07:55.

What’s the latest departure time from London Heathrow Airport to Ireland?

If you prefer to fly at night, the last flight from London Heathrow Airport to Ireland sets off at 20:45 and lands in Dublin at 22:05.

Good to know

Flights from Heathrow to Ireland: the best tips from KAYAK users

FAQs - booking Ireland flights

How does KAYAK find such low prices on flights from London Heathrow Airport to Ireland?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Ireland.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Ireland?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from London Heathrow Airport to Ireland?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London Heathrow Airport to Ireland with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Ireland?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Heathrow Airport to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

What is the cheapest time of day to fly to Ireland?

Reviews of the top airline flying from Heathrow to Ireland

Everything you need to know for your flight from Heathrow to Ireland

Information on your arrival and departure airports

Cabin class types available on flights to Ireland

Complete your trip to Ireland with a hotel stay or car hire

Flights to other popular destinations

Flights from domestic origins to Ireland

Flights to popular cities in Ireland

Find deals for your return flight