Aer Lingus flights from London Heathrow Airport to Dublin (LHR - DUB)
LHR — DUB
1 Nov — 8 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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Cheapest Aer Lingus flights from Heathrow to Dublin
Explore the most affordable Aer Lingus flight options available from Heathrow to Dublin. Find the lowest fares with prices last updated on 2 October 2026.
Sat 21/1112:10 -
Nonstop1h 25m
Sun 28/219:45 -
Nonstop1h 20m
Deal found 1/10£79
Tue 10/1119:45 -
Nonstop1h 20m
Wed 18/1115:30 -
Nonstop1h 20m
Deal found 30/9£79
Sat 14/1116:20 -
Nonstop1h 25m
Sat 21/1118:30 -
Nonstop1h 20m
Deal found 29/9£80
Best Aer Lingus flights from Heathrow to Dublin
Discover carefully curated Aer Lingus flight deals from Heathrow to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 October 2026.
Sat 24/1018:10 -
Nonstop1h 25m
Tue 27/1019:45 -
Nonstop1h 20m
Deal found 27/9£88
Wed 21/1007:40 -
Nonstop1h 20m
Tue 27/1019:45 -
Nonstop1h 20m
Deal found 27/9£88
Thu 22/1015:10 -
Nonstop1h 25m
Thu 22/1019:00 -
Nonstop1h 20m
Deal found 28/9£92
Direct Aer Lingus flights from Heathrow to Dublin
Explore direct Aer Lingus flight options from Heathrow to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 October 2026.
Sat 21/1112:10 -
Nonstop1h 25m
Sun 28/219:45 -
Nonstop1h 20m
Deal found 1/10£79
Tue 10/1119:45 -
Nonstop1h 20m
Wed 18/1115:30 -
Nonstop1h 20m
Deal found 30/9£79
Sat 14/1116:20 -
Nonstop1h 25m
Sat 21/1118:30 -
Nonstop1h 20m
Deal found 29/9£80
Last-minute Aer Lingus flights from Heathrow to Dublin
Discover last-minute Aer Lingus flight deals from Heathrow to Dublin. Data last updated 2 October 2026 and is based on user searches.
Sat 21/1112:10 -
Nonstop1h 25m
Sun 28/219:45 -
Nonstop1h 20m
Deal found 1/10£79
Tue 10/1119:45 -
Nonstop1h 20m
Wed 18/1115:30 -
Nonstop1h 20m
Deal found 30/9£79
Sat 14/1116:20 -
Nonstop1h 25m
Sat 21/1118:30 -
Nonstop1h 20m
Deal found 29/9£80
One-way Aer Lingus flights to Dublin
Search for one-way Aer Lingus flight options to Dublin. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.
Thu 29/1007:50 -
Nonstop1h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9£39
Mon 19/1021:10 -
Nonstop1h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9£39
Wed 21/1014:20 -
Nonstop1h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9£41
How do most travelers feel about Aer Lingus?
Aer Lingus has received a 7.3/10 rating from 1,809 Cheapflights user reviews. If you wish to plan your next trip from London Heathrow Airport to Dublin with Aer Lingus, enter your preferred travel dates above!
Can I get a flight from London Heathrow Airport to Dublin on Aer Lingus for under £151?
10 Aer Lingus flights from LHR to DUB have recently been found on Cheapflights for under £151. Click here to find the best deals to Dublin for your desired dates.
Aer Lingus flights from Heathrow to Dublin in 2026
Find detailed information about Aer Lingus flights from Heathrow to Dublin. Explore the options provided by Aer Lingus to plan your journey from Heathrow to Dublin. Data last updated 2 October 2026.
When is the best time to book a flight to Dublin with Aer Lingus?
The best time to book a flight to Dublin with Aer Lingus is 59 days before departure. On average, fares are higher if you book 58 days before departure.
Which month is the cheapest to fly Economy class from London Heathrow Airport to Dublin?
For Economy class flights, the cheapest month to fly this route is October. The most expensive months are July and May.
Weekly Aer Lingus flight availability from London Heathrow Airport to Dublin
The most Aer Lingus flights from LHR to DUB are scheduled on a Wednesday (17 on average). You will have fewer Aer Lingus flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
Rainfall in Dublin by month
Plan your trip to Dublin by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.
Temperature in Dublin by month
Plan your trip to Dublin by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Dublin, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
Best time to book a flight from Heathrow to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from Heathrow with our price prediction graph.
LHR-DUB
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.
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Fly from Heathrow to Dublin on another airline
Consider alternative airlines that service the Dublin area. Flight routes are based on user searches made on Cheapflights and were last updated on 2 October 2026.
Browse through other Aer Lingus flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 2 October 2026.
If Dublin is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on 2 October 2026.
Browse through some of the most popular routes that Aer Lingus offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 2 October 2026.
Read reviews and see what other travellers are saying about their experiences with Aer Lingus. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Aer Lingus for your next flight. Reviews last updated 2 October 2026.
Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
6.0
Okay|Sept 2026
The pizza was disgusting. They would not serve that to their families. Chicken was ok.
10.0
Wonderful|Sept 2026
I had a great experience. Crew was great and very accommodating.
10.0
Wonderful|Sept 2026
Flight crew were very nice and friendly and very professional. I enjoyed my flights.
10.0
Wonderful|Aug 2026
Excelent!
1 out of 603
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