How far in advance should I book tickets for a flight with Aer Lingus from London Heathrow Airport to Dublin?

Generally, when trying to get a below-average price for your ticket, try to book around 9 days before departure. For the cheapest possible price, our data suggests booking 70 days before departure.

Does Aer Lingus fly direct to Dublin from London Heathrow Airport?

Yes, Aer Lingus does offer direct flights for the route, with around 87 flights per week.

What’s the cheapest month to fly from London Heathrow Airport to Dublin with Aer Lingus?

The cheapest month for Aer Lingus flights to Dublin from London Heathrow Airport is generally January, where plane tickets cost ₹ 9,956 on average. If possible, try to avoid the most expensive months of December and July, when tickets cost ₹ 12,611 and ₹ 12,800 respectively.

₹ 6,258 Cheap Aer Lingus Flights from London Heathrow Airport to Dublin

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Flight Deals

Cheap Aer Lingus Flight Deals from London Heathrow Airport to Dublin

Discover the best prices for you by selecting your travel dates on KAYAK.

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One-way

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Direct

Recent return Aer Lingus flight deals from London Heathrow Airport to Dublin

Mon, 2 Nov - Mon, 9 Nov

08:50 - 10:15LHR London Heathrow-DUB Dublin

1h 25mdirect

19:45 - 21:05DUB Dublin-LHR London Heathrow

1h 20mdirect

₹ 10,050Aer Lingus

1 day ago

Wed, 11 Nov - Wed, 18 Nov

08:50 - 10:15LHR London Heathrow-DUB Dublin

1h 25mdirect

15:30 - 16:50DUB Dublin-LHR London Heathrow

1h 20mdirect

₹ 11,568Aer Lingus

1 hour ago

Tue, 3 Nov - Sun, 8 Nov

08:50 - 10:15LHR London Heathrow-DUB Dublin

1h 25mdirect

07:35 - 09:05DUB Dublin-LHR London Heathrow

1h 30mdirect

₹ 11,947Aer Lingus

1 day ago

Sun, 22 Nov - Wed, 25 Nov

07:50 - 09:10LHR London Heathrow-DUB Dublin

1h 20mdirect

19:45 - 21:05DUB Dublin-LHR London Heathrow

1h 20mdirect

₹ 12,136Aer Lingus

1 day ago

Sun, 8 Nov - Tue, 10 Nov

08:50 - 10:15LHR London Heathrow-DUB Dublin

1h 25mdirect

19:45 - 21:05DUB Dublin-LHR London Heathrow

1h 20mdirect

₹ 12,421Aer Lingus

1 day ago

Sat, 21 Nov - Sat, 28 Nov

16:20 - 17:45LHR London Heathrow-DUB Dublin

1h 25mdirect

16:30 - 17:50DUB Dublin-LHR London Heathrow

1h 20mdirect

₹ 12,990Aer Lingus

1 hour ago

Wed, 4 Nov - Wed, 11 Nov

09:50 - 11:15LHR London Heathrow-DUB Dublin

1h 25mdirect

19:45 - 21:05DUB Dublin-LHR London Heathrow

1h 20mdirect

₹ 13,464Aer Lingus

1 hour ago

Thu, 19 Nov - Thu, 26 Nov

15:10 - 16:35LHR London Heathrow-DUB Dublin

1h 25mdirect

19:45 - 21:05DUB Dublin-LHR London Heathrow

1h 20mdirect

₹ 14,412Aer Lingus

1 day ago

Wed, 16 Dec - Wed, 23 Dec

19:45 - 21:05LHR London Heathrow-DUB Dublin

1h 20mdirect

19:45 - 21:05DUB Dublin-LHR London Heathrow

1h 20mdirect

₹ 14,602Aer Lingus

3+ days ago

Mon, 2 Nov - Fri, 13 Nov

07:50 - 09:10LHR London Heathrow-DUB Dublin

1h 20mdirect

06:35 - 08:05DUB Dublin-LHR London Heathrow

1h 30mdirect

₹ 17,257Aer Lingus

2 days ago

Useful Info

KAYAK’s insights & trends for London Heathrow Airport to Dublin flights

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

What’s the cheapest day of the week to fly from London Heathrow Airport to Dublin with Aer Lingus?

With Aer Lingus the cheapest day to fly this route is on Friday. The most expensive day is Wednesday.

What is the cheapest month to fly with Aer Lingus from London Heathrow Airport to Dublin?

The cheapest month for Aer Lingus flights from London Heathrow Airport to Dublin is October, when tickets cost ₹ 17,351 (return) on average. On the other hand, the most expensive months to fly this route with Aer Lingus are July and May, when the average cost of return tickets is ₹ 21,428 and ₹ 20,101, respectively.

Which cabin class options are available on Aer Lingus flights between London Heathrow Airport and Dublin?

Cabin class availability will depend on the aircraft model and specific route. Aer Lingus flights on this route offer only Economy Class (₹ 25,245 on average).

How far in advance should I book a flight from London Heathrow Airport to Dublin with Aer Lingus?

For the absolute cheapest price on Aer Lingus, our data suggests you should book 3 weeks before departure.

Low season	January
High season	October
Cheapest flight	₹ 6,258
Average price round-trip	₹ 17,351

Best time to beat the crowds (6% less expensive on average)

Most popular time to fly and prices are also 9% lower on average.

Flight from London to Dublin

(price for this month)

When to Book Flights with Aer Lingus from London Heathrow Airport to Dublin

Average price per month

Flight prices as travel date approaches

How far in advance should I book tickets for a flight with Aer Lingus from London Heathrow Airport to Dublin?
Generally, when trying to get a below-average price for your ticket, try to book around 9 days before departure. For the cheapest possible price, our data suggests booking 70 days before departure.
Does Aer Lingus fly direct to Dublin from London Heathrow Airport?
Yes, Aer Lingus does offer direct flights for the route, with around 87 flights per week.
What’s the cheapest day of the week to fly from London Heathrow Airport to Dublin with Aer Lingus?
On average, the cheapest day of the week to fly from London Heathrow Airport to Dublin with Aer Lingus is Tuesday, when prices are around ₹ 6,732. The most expensive day is generally Saturday, when the average price is around ₹ 8,723.
What’s the cheapest month to fly from London Heathrow Airport to Dublin with Aer Lingus?
The cheapest month for Aer Lingus flights to Dublin from London Heathrow Airport is generally January, where plane tickets cost ₹ 9,956 on average. If possible, try to avoid the most expensive months of December and July, when tickets cost ₹ 12,611 and ₹ 12,800 respectively.

7.3

Good1,847 verified ratings

6.7Food

7.2Comfort

7.0Entertainment

8.1Crew

7.5Boarding

2.0 Poor

Rilwan, Oct 2026

Terrible

2.0 Poor

Freddy, Oct 2026

There was a delay in my flight so we missed our connecting flight. Now were in dubmin for the night and getting home a day and half later

10.0 Wonderful

Erika, Oct 2026

Very quick flight, efficient boarding, and clear and thorough instructions and attention from staff.

10.0 Wonderful

Erika, Oct 2026

Boarding was extremely efficient; I appreciated the back-to-front loading strategy. The instructions from staff were very clear and thoughtful, and they were friendly and generous with service. In-flight entertainment was top-notch.

8.0 Very Good

Verified traveller, Oct 2026

Everything is good, but my luggage was damaged

8.0 Very Good

Verified traveller, Oct 2026

Everything is good, but my luggage was damaged. How are you guys gonna pay for my luggage?

10.0 Wonderful

Verified traveller, Oct 2026

Love this air line!

10.0 Wonderful

Verified traveller, Oct 2026

Poor in entertainment

10.0 Wonderful

Verified traveller, Oct 2026

See above comments

10.0 Wonderful

Verified traveller, Oct 2026

Great service, comfy seats on a greater than 10 hr flight. On time. Really solid. Thanks Aer Lingus

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₹ 6,258 Find Cheap Aer Lingus Flights from London Heathrow Airport to Dublin – Compare and Save

Cheap Aer Lingus Flight Deals from London Heathrow Airport to Dublin

Recent return Aer Lingus flight deals from London Heathrow Airport to Dublin

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Recent direct Aer Lingus flight deals from London Heathrow Airport to Dublin

KAYAK’s insights & trends for London Heathrow Airport to Dublin flights

What’s the cheapest day of the week to fly from London Heathrow Airport to Dublin with Aer Lingus?

What is the cheapest month to fly with Aer Lingus from London Heathrow Airport to Dublin?

Which cabin class options are available on Aer Lingus flights between London Heathrow Airport and Dublin?

How far in advance should I book a flight from London Heathrow Airport to Dublin with Aer Lingus?

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When to Book Flights with Aer Lingus from London Heathrow Airport to Dublin

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Cabin class types available on flights to Dublin

Cabin classes available on flights to Dublin. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

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