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Cheap flights from London Heathrow Airport to Dublin from ₹ 5,493

LHR — DUB
6 Nov — 13 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Dublin are usually found in January or February, booked 87 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Heathrow to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Dublin

Sun 11/1010:30 -
Nonstop1h 30m
Thu 15/1020:20 -
Nonstop1h 15m
Deal found 2/10₹ 10,022
Sat 7/1118:45 -
Nonstop1h 20m
Sat 14/1120:40 -
Nonstop1h 20m
Deal found 7/10₹ 10,407
Wed 21/1015:10 -
Nonstop1h 25m
Wed 28/1006:35 -
Nonstop1h 30m
Deal found 7/10₹ 10,986
Sat 14/1113:45 -
Nonstop1h 30m
Wed 18/1120:40 -
Nonstop1h 20m
Deal found 7/10₹ 11,082
Tue 3/1114:15 -
Nonstop1h 25m
Tue 10/1120:40 -
Nonstop1h 20m
Deal found 3/10₹ 11,178
Sat 7/1116:20 -
Nonstop1h 25m
Sun 8/1120:40 -
Nonstop1h 20m
Deal found 3/10₹ 11,371
Thu 3/1206:30 -
Nonstop1h 20m
Sat 5/1211:00 -
Nonstop1h 30m
Deal found 6/10₹ 11,467
Sat 14/1106:30 -
Nonstop1h 20m
Tue 24/1120:40 -
Nonstop1h 20m
Deal found 7/10₹ 11,564
Sat 10/1015:50 -
Nonstop1h 25m
Sat 17/1018:45 -
Nonstop1h 15m
Deal found 3/10₹ 11,660
Sat 5/1206:30 -
Nonstop1h 20m
Sun 6/1220:40 -
Nonstop1h 20m
Deal found 2/10₹ 11,757
Fri 6/1106:30 -
Nonstop1h 20m
Wed 11/1109:00 -
Nonstop1h 30m
Deal found 2/10₹ 11,949

Find flight deals from Heathrow to Dublin

Round-trip from

₹ 9,444

One-way from

₹ 5,493

Popular in

December

Cheapest in

January

Average price

₹ 15,997
British Airways
  • British Airways
  • 5/1-12/1
  • Nonstop
  • 2h 45m total
  • London to Dublin
Search Deals
Aer Lingus
  • Aer Lingus
  • 21/10-31/12
  • Nonstop
  • 1h 25m total
  • London to Dublin
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 18,170 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Thu 25/2

08:25-09:55

Nonstop1h 30m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 7,420
Fastest return journey

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Thu 12/11

06:30-07:50

Nonstop1h 20m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 7,998

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Sun 28/3

06:20-07:45

Nonstop1h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,287

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Thu 1/4

06:20-07:45

Nonstop1h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,287

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Thu 5/11

06:30-07:50

Nonstop1h 20m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,287

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Thu 17/12

06:30-07:50

Nonstop1h 20m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,287

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Fri 4/12

16:05-17:35

Nonstop1h 30m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,866

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Fri 1/1

08:25-09:55

Nonstop1h 30m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 9,155

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Fri 23/10

06:20-07:45

Nonstop1h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 9,540

LondonDublin

LHR London Heathrow - DUB Dublin

LHRDUB

London Heathrow

Fri 1/1

12:30-14:00

Nonstop1h 30m

Dublin

Sat 9/1

15:10-16:35

Nonstop1h 25m

₹ 12,527

Flights are sorted by cheapest return flights first.

Deals found on 3/10

Showing 1-10 of 24 resultsSorted by cheapest first
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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.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Dublin

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Dublin, you should look to book at least 86 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 Dublin?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Dublin (average of ₹ 14,069). Flying from London Heathrow Airport to Dublin in December is currently the most expensive (average of ₹ 19,177). 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 DUB?

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from London Heathrow Airport to Dublin by exploring options for tickets at midday.

How much does it cost for a return flight from London Heathrow Airport to Dublin?

Airfare is below average for this route at the moment.

London Heathrow Airport to Dublin flights typically cost between ₹ 13,106 and ₹ 19,948 in January.
The cheapest return price found within the last 5 days was ₹ 9,444 on Multiple Airlines (5 Jan–12 Jan).

Reviews of airlines servicing Dublin

Get a feel of what it's like to fly with British Airways from London Heathrow Airport to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,249 reviews
Check prices

Crew

7.7

Comfort

6.8

Food

6.4

Overall

6.7

Boarding

7.0

Entertainment

6.5

Reviews

1 / 20
10.0
Excellent

Jim,Sept 2026

LHR - FLR

The check-in and customer service were excellent as usual!
British Airways
6.7
Okay
8,249 reviews
British Airways
6.7
Okay
8,249 reviews
Check prices

Crew

7.7

Comfort

6.8

Food

6.4

Overall

6.7

Boarding

7.0

Entertainment

6.5

Reviews

1 / 20
10.0
Excellent

Jim,Sept 2026

LHR - FLR

The check-in and customer service were excellent as usual!

Related info for your journey

  • What airport do you fly into for flights to Dublin from London Heathrow?

    If you book a flight to Dublin from London Heathrow, you will be flying to Dublin, which is the city’s only airport. Dublin (DUB) is located 9.2 km from the centre of Dublin. There are 55 flights from London Heathrow to Dublin per day from 1 airline.

  • How long is the flight from London Heathrow Airport to Dublin?

    Departing from London Heathrow Airport to Dublin will take you 1h 30m. London Heathrow Airport and Dublin are separated by a distance of 449 km. All flights are typically direct.

  • What is the cheapest airline to fly from London Heathrow Airport to Dublin round-trip?

    Flying on British Airways is currently your cheapest option to Dublin, with prices starting at ₹ 10,564. You may be able to fly from London Heathrow Airport to Dublin for 38% less than the average price by searching for this airline.

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

    Consider Air Canada (88%), Aer Lingus (80%) or Qatar Airways (80%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Dublin.

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

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

  • How can I find direct flights from Heathrow to Dublin?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Dublin 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 Dublin?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Dublin (average of ₹ 14,069). Flying from London Heathrow Airport to Dublin in December is currently the most expensive (average of ₹ 19,177). 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

Top airline flying from Heathrow to Dublin

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest₹ 10,564Average₹ 17,441FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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