Cheap flights from London Heathrow Airport to Dublin from $102
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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
1 Oct — 8 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Dublin are usually found in January or October, booked 85 days in advance, depart on a Sunday or Saturday and return on a Wednesday
Cheap flight deals from Heathrow to Dublin
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 1 September 2026.
Tue 29/1218:25 -
Nonstop1h 20m
Tue 5/118:00 -
Nonstop1h 20m
Deal found 31/8$159
Wed 21/1006:15 -
Nonstop1h 25m
Sat 31/1017:55 -
Nonstop1h 20m
Deal found 30/8$168
Sat 10/1016:20 -
Nonstop1h 30m
Mon 12/1008:30 -
Nonstop1h 35m
Deal found 31/8$170
Wed 21/1017:20 -
Nonstop1h 30m
Wed 28/1020:40 -
Nonstop1h 20m
Deal found 31/8$172
Tue 3/1118:25 -
Nonstop1h 20m
Sat 7/1116:10 -
Nonstop1h 25m
Deal found 28/8$173
Fri 6/1106:30 -
Nonstop1h 20m
Wed 11/1120:40 -
Nonstop1h 20m
Deal found 27/8$174
Thu 29/1006:30 -
Nonstop1h 20m
Thu 29/1020:40 -
Nonstop1h 20m
Deal found 28/8$176
Tue 6/1018:10 -
Nonstop1h 25m
Wed 21/1020:30 -
Nonstop1h 15m
Deal found 31/8$177
Wed 14/1017:20 -
Nonstop1h 30m
Wed 21/1008:35 -
Nonstop1h 35m
Deal found 29/8$179
Sat 28/1115:25 -
Nonstop1h 30m
Mon 30/1116:00 -
Nonstop1h 25m
Deal found 31/8$180
Mon 12/1006:20 -
Nonstop1h 25m
Wed 14/1020:30 -
Nonstop1h 15m
Deal found 27/8$181
Best flights from Heathrow to Dublin
Discover carefully curated 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 1 September 2026.
Thu 12/1106:30 -
Nonstop1h 20m
Sat 14/1120:40 -
Nonstop1h 20m
Deal found 31/8$173
Mon 12/1015:00 -
1 stop26h 00m
Mon 19/1019:50 -
1 stop18h 25m
Deal found 28/8$313
Sat 10/1017:30 -
1 stop15h 45m
Sat 17/1020:00 -
1 stop12h 55m
Deal found 27/8$325
Wed 14/1017:20 -
Nonstop1h 30m
Sun 18/1010:30 -
Nonstop1h 30m
Deal found 28/8$198
Thu 24/1208:25 -
Nonstop1h 30m
Mon 28/1220:40 -
Nonstop1h 20m
Deal found 28/8$211
Sat 19/906:15 -
Nonstop1h 25m
Tue 22/920:25 -
Nonstop1h 15m
Deal found 28/8$228
Thu 1/1006:20 -
Nonstop1h 25m
Tue 6/1020:25 -
Nonstop1h 15m
Deal found 1/9$228
Thu 1/1006:30 -
1 stop6h 10m
Tue 6/1005:55 -
1 stop4h 35m
Deal found 1/9$336
Sun 20/906:20 -
Nonstop1h 25m
Tue 22/910:30 -
Nonstop1h 30m
Deal found 31/8$255
Wed 7/1015:30 -
Nonstop1h 30m
Sat 10/1018:45 -
Nonstop1h 15m
Deal found 31/8$257
Direct flights from Heathrow to Dublin
Explore direct flight options from Heathrow to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.
Tue 29/1218:25 -
Nonstop1h 20m
Tue 5/118:00 -
Nonstop1h 20m
Deal found 31/8$159
Tue 5/106:30 -
Nonstop1h 20m
Sat 9/111:00 -
Nonstop1h 30m
Deal found 31/8$163
Fri 29/118:25 -
Nonstop1h 20m
Mon 1/217:55 -
Nonstop1h 20m
Deal found 28/8$166
Wed 21/1006:15 -
Nonstop1h 25m
Sat 31/1017:55 -
Nonstop1h 20m
Deal found 30/8$168
Sat 10/1016:20 -
Nonstop1h 30m
Mon 12/1008:30 -
Nonstop1h 35m
Deal found 31/8$170
Wed 21/1017:20 -
Nonstop1h 30m
Wed 28/1020:40 -
Nonstop1h 20m
Deal found 31/8$172
Tue 3/1118:25 -
Nonstop1h 20m
Sat 7/1116:10 -
Nonstop1h 25m
Deal found 28/8$173
Fri 6/1106:30 -
Nonstop1h 20m
Wed 11/1120:40 -
Nonstop1h 20m
Deal found 27/8$174
Thu 29/1006:30 -
Nonstop1h 20m
Thu 29/1020:40 -
Nonstop1h 20m
Deal found 28/8$176
Tue 6/1018:10 -
Nonstop1h 25m
Wed 21/1020:30 -
Nonstop1h 15m
Deal found 31/8$177
Wed 14/1017:20 -
Nonstop1h 30m
Wed 21/1008:35 -
Nonstop1h 35m
Deal found 29/8$179
Last-minute flights from Heathrow to Dublin
Discover last-minute flight deals from Heathrow to Dublin. Data last updated 1 September 2026 and is based on user searches.
Fri 18/916:30 -
Nonstop1h 25m
Sat 19/920:15 -
Nonstop1h 15m
Deal found 27/8$211
Sat 19/906:15 -
Nonstop1h 25m
Thu 24/908:35 -
Nonstop1h 35m
Deal found 31/8$215
Sat 19/906:15 -
Nonstop1h 25m
Sun 20/915:20 -
Nonstop1h 30m
Deal found 31/8$219
Fri 25/906:20 -
Nonstop1h 25m
Sun 27/908:35 -
Nonstop1h 35m
Deal found 30/8$208
Sat 26/917:55 -
Nonstop1h 30m
Sat 3/1008:35 -
Nonstop1h 35m
Deal found 28/8$198
Sat 26/917:55 -
Nonstop1h 30m
Thu 1/1020:20 -
Nonstop1h 15m
Deal found 27/8$201
Mon 28/921:10 -
Nonstop1h 20m
Tue 29/915:55 -
Nonstop1h 25m
Deal found 29/8$180
Tue 29/918:10 -
Nonstop1h 25m
Thu 1/1008:35 -
Nonstop1h 35m
Deal found 28/8$204
Wed 30/917:20 -
Nonstop1h 30m
Wed 7/1008:35 -
Nonstop1h 35m
Deal found 30/8$212
One-way flights from Heathrow to Dublin
Search for one-way flight options from Heathrow to Dublin. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.
Sat 17/1016:50 -
Nonstop1h 30m
Deal found 28/8$102
Thu 18/212:35 -
Nonstop1h 30m
Deal found 28/8$106
Wed 16/1206:30 -
Nonstop1h 20m
Deal found 31/8$107
Mon 8/206:30 -
Nonstop1h 20m
Deal found 28/8$109
Thu 22/1020:10 -
Nonstop1h 20m
Deal found 30/8$112
Tue 5/108:25 -
Nonstop1h 30m
Deal found 31/8$113
Tue 6/1017:10 -
Nonstop1h 30m
Deal found 28/8$114
Wed 28/1006:30 -
Nonstop1h 20m
Deal found 27/8$116
Fri 16/1006:20 -
Nonstop1h 25m
Deal found 27/8$117
Mon 26/1006:30 -
Nonstop1h 20m
Deal found 28/8$119
Sat 19/906:15 -
Nonstop1h 25m
Deal found 27/8$120
Sun 15/1108:25 -
Nonstop1h 30m
Deal found 27/8$121
Find 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 1 September 2026.
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 7,457,451 searches. Data last updated 1 September 2026.
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
Fastest return journey
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Thu 12/11
06:30-07:50
Nonstop1h 20m
Dublin
Sat 14/11
20:40-22:00
Nonstop1h 20m
$173
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Wed 14/10
17:20-18:50
Nonstop1h 30m
Dublin
Sun 18/10
10:30-12:00
Nonstop1h 30m
$198
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Thu 24/12
08:25-09:55
Nonstop1h 30m
Dublin
Mon 28/12
20:40-22:00
Nonstop1h 20m
$211
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Sat 19/9
06:15-07:40
Nonstop1h 25m
Dublin
Tue 22/9
20:25-21:40
Nonstop1h 15m
$228
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Thu 1/10
06:20-07:45
Nonstop1h 25m
Dublin
Tue 6/10
20:25-21:40
Nonstop1h 15m
$228
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Sun 20/9
06:20-07:45
Nonstop1h 25m
Dublin
Tue 22/9
10:30-12:00
Nonstop1h 30m
$255
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Wed 7/10
15:30-17:00
Nonstop1h 30m
Dublin
Sat 10/10
18:45-20:00
Nonstop1h 15m
$257
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Mon 12/10
15:00-17:00
1 stop26h 00m
Dublin
Mon 19/10
19:50-14:15
1 stop18h 25m
$313
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Sat 10/10
17:30-09:15
1 stop15h 45m
Dublin
Sat 17/10
20:00-08:55
1 stop12h 55m
$325
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Thu 1/10
06:30-12:40
1 stop6h 10m
Dublin
Tue 6/10
05:55-10:30
1 stop4h 35m
$336
Flights are sorted by cheapest return flights first.
Deals found on 29/8
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
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.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Dublin
Prices
Airlines
Delays
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 84 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 $200). Flying from London Heathrow Airport to Dublin in July is currently the most expensive (average of $276). 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 1 September 2026.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Dublin in the morning. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the evening.
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 $200 and $304 in December.The cheapest return price found within the last 5 days was $159 on British Airways (29 Dec–5 Jan).
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 1 September 2026.
The most flights from LHR to DUB are scheduled on a Sunday (65 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (51 on average).
How often are flights from London to Dublin delayed?
About 14% of weekly flights between London and Dublin have experienced delays in the past year, with the average delay time being 105 minutes.
What is the most punctual flight time for London to Dublin flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Dublin flights?
Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 13% of flights being delayed.
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 1 September 2026.
See what other customers who have flown with Aer Lingus and British Airways from London Heathrow Airport to Dublin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Very disappointed that there was no WiFi or entertainment on the plane. For a 9+ hour flight that was awful! Staff were very nice and friendly.
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 57 inbound flights from London Heathrow per day from 2 airlines. Dublin is conveniently located just 9.2 km from Dublin’s city centre.
How long is the flight from London Heathrow Airport to Dublin?
For as low as $173, British Airways can have you in Dublin from London Heathrow Airport in 1h 20m. London Heathrow Airport and Dublin are separated by a distance of 449 km. Most flights are nonstop.
What are the cheapest airlines flying from London Heathrow Airport to Dublin round-trip?
Currently priced at $152, 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. Check Cheapflights for deals on Aer Lingus for as low as $196. Users have found that British Airways is 38% cheaper than the other options available to this destination.
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: Air Canada (87%), Aer Lingus (80%), Qatar Airways (80%).
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 $229, our data indicates the cheapest price to be $115. The most popular route (London Heathrow - Dublin), is priced around $172.
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 $200). Flying from London Heathrow Airport to Dublin in July is currently the most expensive (average of $276). 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.
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 1 September 2026.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 1 September 2026.
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 7,457,451 searches. Data last updated 1 September 2026.
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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