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Cheap flights from London Heathrow Airport to Dublin from $91

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
26 Jan — 2 Feb1
1 adult

The best prices from London Heathrow to Dublin are usually found in February or January, booked 88 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Heathrow to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

$127

One-way from

$91

Popular in

December

Cheapest in

February

Average price

$199
British Airways
  • British Airways
  • 1/3-3/3
  • Nonstop
  • 2h 40m total
  • London to Dublin
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British Airways
  • British Airways
  • 25/3
  • Nonstop
  • 1h 25m total
  • London to Dublin
Search Deals
High demand for flights, 0% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Heathrow to Dublin

Cheapest flights from Heathrow to Dublin
Explore the most affordable flight options available from Heathrow to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Sat 1/318:25LHR - DUB
Nonstop1h 20mBritish Airways
Mon 3/320:30DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 20/1$127
Thu 20/207:50LHR - DUB
Nonstop1h 20mAer Lingus
Fri 21/219:45DUB - LHR
Nonstop1h 20mAer Lingus
Deal found 20/1$197
Wed 12/312:05LHR - DUB
1 stop5h 20mMultiple Airlines
Wed 26/320:30DUB - LHR
Nonstop1h 20mMultiple Airlines
Deal found 21/1$242
Mon 10/217:50LHR - DUB
1 stop4h 15mKLM
Tue 18/213:25DUB - LHR
1 stop5h 50mKLM
Deal found 20/1$284
Tue 12/815:05LHR - DUB
1 stop17h 05mVueling
Tue 26/819:05DUB - LHR
1 stop19h 10mVueling
Deal found 20/1$298
Thu 24/406:00LHR - DUB
1 stop11h 50mSWISS
Wed 30/418:40DUB - LHR
1 stop23h 10mSWISS
Deal found 21/1$358
Thu 27/208:45LHR - DUB
1 stop8h 30mLufthansa
Sat 1/312:15DUB - LHR
1 stop10h 00mLufthansa
Deal found 20/1$406

Find flights from Heathrow to Dublin within your budget

Customise your flight search to find flights from Heathrow to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 1/3

18:25-19:45

Nonstop1h 20m

Dublin

Mon 3/3

20:30-21:50

Nonstop1h 20m

$127

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 20/2

07:50-09:10

Nonstop1h 20m

Dublin

Fri 21/2

19:45-21:05

Nonstop1h 20m

$197

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 12/3

12:05-17:25

1 stop5h 20m

Dublin

Wed 26/3

20:30-21:50

Nonstop1h 20m

$242

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 10/2

17:50-22:05

1 stop4h 15m

Dublin

Tue 18/2

13:25-19:15

1 stop5h 50m

$284

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 24/4

06:00-17:50

1 stop11h 50m

Dublin

Wed 30/4

18:40-17:50

1 stop23h 10m

$358

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Mon 30/6

11:30-16:50

1 stop5h 20m

Dublin

Wed 9/7

08:50-14:40

1 stop5h 50m

$393

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 25/3

06:30-07:55

Nonstop1h 25m

$91

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 15/2

20:45-22:05

Nonstop1h 20m

$104

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 26/2

15:15-07:55

1 stop16h 40m

$107

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Wed 26/3

08:40-12:40

1 stop4h 00m

$181

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 16 results
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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
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.

Travel insights for flights from Heathrow to Dublin

Get recent, data-driven insights about flights from Heathrow to Dublin including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Dublin. Price data was last updated on 17 January 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Dublin, you should look to book at least 88 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Dublin (average of $1,200). Flying from London Heathrow Airport to Dublin in December is currently the most expensive (average of $1,912). 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?

Find hourly flight availability from Heathrow to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Dublin in the evening. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from London Heathrow Airport to Dublin?

Use this chart to determine the cheapest time to fly return from Heathrow to Dublin. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Dublin flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Dublin

Explore weekly flight availability from Heathrow to Dublin. 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 21 January 2025.

The most flights from LHR to DUB are scheduled on a Monday (61 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (43 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).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 21 January 2025.
To help decide which airline to fly from London to Dublin, see what other customers have to say about KLM, SWISS and Lufthansa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,341 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.6
Good
786 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,600 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Vueling
7.1
Good
1,182 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.1
Good
1,082 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Dublin (DUB) if they book a flight to Dublin from London Heathrow. On average, Dublin has 54 inbound flights from London Heathrow per day from 2 airlines. Dublin is conveniently located just 9.2 km from Dublin’s city centre.

  • What are the cheapest airlines flying from London Heathrow Airport to Dublin round-trip?

    Currently priced at $127, British Airways will fly you from London Heathrow Airport to Dublin and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Aer Lingus and KLM - these airlines can fly you to your destination from $197 and $284, respectively. Users have found that British Airways is 46% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Dublin one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $91. However, be on the lookout for offers from Aer Lingus and Vueling, as they are both options that can get you from London Heathrow Airport to Dublin for a low price.

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

    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 London Heathrow Airport to Dublin on time: Qatar Airways (62%), Aer Lingus (62%), British Airways (62%).

  • What are the cheapest flights from London Heathrow Airport to Dublin?

    Looking for the cheapest flight from London Heathrow Airport to Dublin? While on average our users pay $159, our data indicates the cheapest price to be $97. The most popular route (London Heathrow - Dublin), is priced around $329.

  • 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Dublin (average of $1,200). Flying from London Heathrow Airport to Dublin in December is currently the most expensive (average of $1,912). 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

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Alternative routes for Heathrow to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Dublin flights

Top 2 airlines flying from Heathrow to Dublin

Discover the top 2 airlines that operate flights from Heathrow to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$106Average$179FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest$204Average$269FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Heathrow to Dublin 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 Heathrow to Dublin?

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 Dublin from Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Dublin, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Dublin become cheaper?

Yes! Start tracking prices for Heathrow to Dublin flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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