LHR - DUB

$67 Find Cheap Flights from London Heathrow Airport to Dublin - Compare and Save

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Everything you should know

Cheapest round-trip
$111
Typical prices: $130-$208
British Airways
Sat 12/15Sun 1/7
LHR - DUB • Non-stop
Cheapest one-way
$67
Typical prices: $97-$159
Aer Lingus
Sat 10/20
LHR - DUB • Non-stop
Advice from real travelers
British Airways Euro Traveller includes a carry-on; Aer Lingus AerSpace adds comfort.
At Heathrow, arrive early; it can be overcrowded, especially with checked bags.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Aer Lingus and British Airways. Average duration is 1h 26m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $314 (round-trip)
Shortest trip • 4h 57m (one-way)
Insights
Insights
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We hope you love your trip to Dublin!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Heathrow to Dublin (LHR-DUB)

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

Recent round-trip flight deals from Heathrow to Dublin

Tue, Dec 15 - Thu, Jan 7
British Airways Logo
6:25 pm - 7:45 pmLHR  London Heathrow-DUB Dublin
1h 20mnonstop
British Airways Logo
10:50 am - 12:20 pmDUB  Dublin-LHR London Heathrow
1h 30mnonstop
$111British Airways
Sat, Oct 3 - Tue, Oct 20
Aer Lingus Logo
7:10 pm - 8:35 pmLHR  London Heathrow-DUB Dublin
1h 25mnonstop
Aer Lingus Logo
1:30 pm - 3:00 pmDUB  Dublin-LHR London Heathrow
1h 30mnonstop
$112Aer Lingus
Sat, Oct 24 - Wed, Oct 28
Aer Lingus Logo
6:10 pm - 7:35 pmLHR  London Heathrow-DUB Dublin
1h 25mnonstop
Aer Lingus Logo
6:30 pm - 7:50 pmDUB  Dublin-LHR London Heathrow
1h 20mnonstop
$114Aer Lingus
Sun, Jan 3 - Sun, Jan 10
British Airways Logo
4:15 pm - 5:45 pmLHR  London Heathrow-DUB Dublin
1h 30mnonstop
British Airways Logo
8:40 pm - 10:00 pmDUB  Dublin-LHR London Heathrow
1h 20mnonstop
$116British Airways
Sat, Oct 17 - Sat, Oct 24
Aer Lingus Logo
6:10 pm - 7:35 pmLHR  London Heathrow-DUB Dublin
1h 25mnonstop
Aer Lingus Logo
7:00 pm - 8:20 pmDUB  Dublin-LHR London Heathrow
1h 20mnonstop
$116Aer Lingus
Fri, Dec 11 - Mon, Dec 14
British Airways Logo
6:30 am - 7:50 amLHR  London Heathrow-DUB Dublin
1h 20mnonstop
British Airways Logo
3:10 pm - 4:35 pmDUB  Dublin-LHR London Heathrow
1h 25mnonstop
$117British Airways
Sat, Oct 24 - Fri, Oct 30
British Airways Logo
4:20 pm - 5:50 pmLHR  London Heathrow-DUB Dublin
1h 30mnonstop
British Airways Logo
8:50 am - 10:20 amDUB  Dublin-LHR London Heathrow
1h 30mnonstop
$117British Airways
Fri, Oct 2 - Fri, Oct 9
Multiple Airlines Logo
8:10 pm - 9:30 pmLHR  London Heathrow-DUB Dublin
1h 20mnonstop
Multiple Airlines Logo
8:10 pm - 9:25 pmDUB  Dublin-LHR London Heathrow
1h 15mnonstop
$131Multiple Airlines
Thu, Dec 3 - Sat, Dec 5
Multiple Airlines Logo
2:15 pm - 3:40 pmLHR  London Heathrow-DUB Dublin
1h 25mnonstop
Multiple Airlines Logo
5:55 pm - 7:15 pmDUB  Dublin-LHR London Heathrow
1h 20mnonstop
$133Multiple Airlines
Wed, Feb 24 - Sun, Feb 28
Multiple Airlines Logo
3:25 pm - 4:55 pmLHR  London Heathrow-DUB Dublin
1h 30mnonstop
Multiple Airlines Logo
4:30 pm - 5:50 pmDUB  Dublin-LHR London Heathrow
1h 20mnonstop
$134Multiple Airlines
Booking Insights

Price, demand and travel trends for London Heathrow Airport to Dublin flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from London Heathrow Airport to Dublin with more confidence.

How much is a round-trip flight from London Heathrow Airport to Dublin?

Round-trip flights from London Heathrow Airport to Dublin start at $111. Prices are below average for this route right now, with typical round-trip fares ranging from $130 to $208. The lowest price found in the past 5 days was $111 on British Airways.

What's the cheapest day of the week to fly from London Heathrow Airport to Dublin?

Saturday is the cheapest day of the week to fly from London Heathrow Airport to Dublin, it is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from London Heathrow Airport to Dublin at $124 round-trip.
  • July ($181) and June ($180) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 45% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from London Heathrow Airport to Dublin the cheapest?

Flights from London Heathrow Airport to Dublin are cheapest 18 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Heathrow to Dublin

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on British Airways and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Marisa Garcia

Marisa Garcia

Expert on Aer Lingus

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Ramsey Qubein

Ramsey Qubein

Expert on DUB

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Key details for London Heathrow Airport to Dublin flights

Low season

February

Cheapest flight

$67
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from London Heathrow Airport to Dublin

When to book flights from Heathrow to Dublin

Are your dates flexible? Find out the best times to travel from Heathrow to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Heathrow to Dublin: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Heathrow to Dublin 
DeborahFlew with Aer Lingus-Jun 2025
Heathrow seems to have a lot of plane traffic so make sure you have a good cushion of time if you have connecting flights. I had a 2 hour layover but ended up having to run to make sure I got to the other gate in time.
Verified travelerFlew with Aer Lingus-Jun 2025
If you’re doing a transfer speak to someone at the desk don’t use an automated kiosk
ThomasFlew with Aer Lingus-Oct 2024
You will likely have to walk a lot more than you might expect to make a connection.

Your London Heathrow Airport to Dublin flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Can I transfer from Dublin Airport (DUB) to Dublin city centre by public transport?

    Yes, you can take the Dublin Bus, which runs between Dublin Airport and the city centre. They depart from the Bus Park of Zone 15 approx. every 15-30min. The fastest option is the 747 Airlink Express costing around €7. Tickets can be purchased either on the bus or online and leave around every 10min. Journey times can take up to 1h.

  • What services are available at London Heathrow Airport for hidden disabilities?

    Remember to request specialist assistance from your airline at least 48h before departure. When you arrive at your terminal, you can pick up a sunflower lanyard from the assistance desk. This will ensure discretion, and staff will be more easily able to identify you if you need extra support at any time.

  • What rail transport options are available from central London to London Heathrow Airport?

    The fastest option would be the Heathrow Express train service, which travels non-stop direct between Paddington station and all terminals, taking around 15min. A standard ticket bought on the day will cost you around £25 (€30). Advance fares can work out a lot cheaper starting around £5.50 (€6.50). Another option would be to take the London Underground Piccadilly Line, which connects to all terminals. This is a cheaper option with fares ranging from £3-6 (€3.50-7) but takes longer, usually around 1h. There is also the TfL Rail link from west or central London stations, taking around 30min and costing around £11 (€13).

  • Which airlines offer extra legroom and free seat selection on London Heathrow Airport to Dublin flights?

    Among airlines operating London Heathrow Airport to Dublin flights:

    • Aer Lingus: offers extra legroom; offers free seat selection
    • British Airways: offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from London Heathrow Airport to Dublin?

    2 airlines operate flights between London Heathrow Airport and Dublin. The airlines offering nonstop flights on this route include:

    • Aer Lingus
    • British Airways

  • Which airports can I use when flying from London Heathrow Airport to Dublin?

    Flights from London Heathrow Airport to Dublin usually depart from London Heathrow (LHR) and arrive at Dublin (DUB).

  • Which airlines include bags at no extra cost on London Heathrow Airport to Dublin flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Aer Lingus: a cabin bag and a checked bag in Economy Class
    • British Airways: a cabin bag and a checked bag in Economy Class
    • Qatar Airways: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from London Heathrow Airport to Dublin?

    Three cabin classes are available on flights from London Heathrow Airport to Dublin:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How much can I save by taking a layover when flying from London Heathrow Airport to Dublin?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $165 round-trip, compared to $314 via a layover through Zurich (ZRH).

  • What is the standard checked-bag allowance on flights from London Heathrow Airport to Dublin?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $23–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from London Heathrow Airport to Dublin?

    The Boeing 777 family is used most often on this route, operated mainly by British Airways and Finnair. Other aircraft seen on the route include Airbus A320neo variants.

  • Which airports do connecting flights from London Heathrow Airport to Dublin pass through?

    One-stop flights from London Heathrow Airport to Dublin most commonly connect through:

    • Amsterdam Schiphol (AMS) - 45% of one-stop connections
    • Frankfurt am Main (FRA) - 36% of one-stop connections
    • Zurich (ZRH) - 18% of one-stop connections

    Amsterdam Schiphol (AMS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Dublin?

    On the London Heathrow Airport to Dublin route, being flexible with your departure day can save you up to 13%. Saturday is the cheapest day at $152 round-trip on average, while Sunday is the most expensive at $174: a $22 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight considered delayed from London Heathrow Airport to Dublin?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London Heathrow Airport to Dublin route, 14% of flights were delayed in the past 3 months, with delays averaging 1 hour 46 minutes.

  • How are flight departures from London Heathrow Airport to Dublin spread across the day?

    Afternoon is the busiest departure period on London Heathrow Airport to Dublin flights, with 39% of flights leaving in that window. Morning departures account for 34%, evening flights for 22%, and night flights for 5%.

  • What popular places can I visit in Dublin?

    Some of the most popular sights in Dublin are Dublin City Centre, Trinity College and St. Stephen's Green. These are among the most viewed places in Dublin on KAYAK.

  • What are the earliest and latest flights from London Heathrow Airport to Dublin?

    These are the earliest and latest flight times available from London Heathrow Airport to Dublin:

    • Earliest: departs at 6:15 am and lands at 7:41 am
    • Latest: departs at 10:00 pm and lands at 11:26 pm.

    The flight takes about 1h 26m.

  • How expensive are last-minute London Heathrow Airport to Dublin flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 35% above the route average of $165. Book 18 weeks before departure for the lowest fares.

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

    A nonstop flight from London Heathrow Airport to Dublin takes 1h 26m, covering 279 miles.

  • Do I need a passport to fly from London Heathrow Airport to Dublin?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from London Heathrow Airport to Dublin looking right now?

    One-way fares from London Heathrow Airport to Dublin are currently lower than usual. Average one-way flight prices are about $76, which is 37% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from London Heathrow Airport to Dublin?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from London Heathrow Airport to Dublin?

    Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 4h 57m, compared with 9h 38m via Amsterdam Schiphol (AMS) and 9h 52m via Zurich (ZRH).

  • What car rental options are available at Dublin Airport (DUB)?

    Dublin Airport (DUB) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Budget
    · Sixt
    · Easirent
    · Europcar
    · Thrifty

  • How much should I expect to pay for a London Heathrow Airport to Dublin flight?

    Round-trip flights from London Heathrow Airport to Dublin range from $130 to $208, with an average of $165 over the past 12 months. Anything below $130 counts as a good deal.

Your guide to booking London Heathrow Airport to Dublin flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $152 - about $22 less than Sunday (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to Dublin trip for January. Fares historically average $124 round-trip in that month - typically $57 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, Aer Lingus is the strongest pick on this route. 87% of Aer Lingus flights from London Heathrow Airport to Dublin arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 86%. When flights on this route do arrive late, the average delay is 1 hour 46 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Dublin Airport.
    - Clayton Hotel Dublin Airport
    - Maldron Hotel Dublin Airport
    - Metro Hotel Dublin Airport
  • Download the Heathrow App to take advantage of the food and drink pre-ordering service with participating outlets at London Heathrow Airport (LHR). You can either consume in the terminal areas or take your purchases with you on-board your flight.
  • The Park & Ride service at Heathrow Airport is the most economical for long-term stays with prices starting around £8 (€9) per day. A free shuttle bus will transfer you to your required terminal, taking around 5-15min, depending on the distance between your terminal and the car park you are using.
  • London Heathrow is the UK’s busiest airport, operating four terminals. Make sure to check with your airline which terminal you need to depart from. Terminals are connected to each other by underpasses, buses 482 and 490, the Heathrow Express Rail Link, and the London Underground Piccadilly Line.

Prefer to fly direct from London Heathrow Airport to Dublin?

 
Find which airlines fly direct from London Heathrow Airport to Dublin Airport, which days they fly and book direct flights.

Direct departures

London Heathrow to Dublin

Monday

Aer Lingus,British Airways

Aer Lingus,British Airways

Tuesday

Aer Lingus,British Airways

Aer Lingus,British Airways

Wednesday

Aer Lingus,British Airways

Aer Lingus,British Airways

Thursday

Aer Lingus,British Airways

Aer Lingus,British Airways

Friday

Aer Lingus,British Airways

Aer Lingus,British Airways

Saturday

Aer Lingus,British Airways

Aer Lingus,British Airways

Sunday

Aer Lingus,British Airways

Aer Lingus,British Airways

See more direct flights

Direct returns

Dublin to London Heathrow

Monday

Aer Lingus,British Airways

Aer Lingus,British Airways

Tuesday

Aer Lingus,British Airways

Aer Lingus,British Airways

Wednesday

Aer Lingus,British Airways

Aer Lingus,British Airways

Thursday

Aer Lingus,British Airways

Aer Lingus,British Airways

Friday

Aer Lingus,British Airways

Aer Lingus,British Airways

Saturday

Aer Lingus,British Airways

Aer Lingus,British Airways

Sunday

Aer Lingus,British Airways

Aer Lingus,British Airways

See more direct flights

More options for your flight from Heathrow to Dublin

Complete your trip to Dublin with a hotel stay or car rental