$54+ Cheap flights from Heathrow (LHR) to Dublin (DUB)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Dublin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Saturday and return on a Friday
Cheap flight deals from Heathrow to Dublin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to DublinExplore 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 October 12, 2026.
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 October 12, 2026.
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:45 pm -
Nonstop1h 20m
Tue 11/177:45 pm -
Nonstop1h 20m
Deal found 10/10![Aer Lingus logo]()
$102
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:50 am -
Nonstop1h 25m
Wed 11/187:45 pm -
Nonstop1h 20m
Deal found 10/8![Aer Lingus logo]()
$107
This Booking.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:45 pm -
Nonstop1h 20m
Wed 11/117:45 pm -
Nonstop1h 20m
Deal found 10/9![Aer Lingus logo]()
$108
This Mytrip deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:30 am -
Nonstop1h 20m
Thu 12/175:55 pm -
Nonstop1h 20m
Deal found 10/12![British Airways logo]()
$109
This Expedia deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:45 pm -
Nonstop1h 20m
Sat 11/148:40 pm -
Nonstop1h 20m
Deal found 10/10![Multiple Airlines logo]()
$110
This Mytrip deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
Nonstop1h 20m
Thu 12/33:00 pm -
Nonstop1h 25m
Deal found 10/12![British Airways logo]()
$111
This Booking.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:30 am -
Nonstop1h 20m
Sat 12/54:10 pm -
Nonstop1h 25m
Deal found 10/12![British Airways logo]()
$112
This British Airways deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:30 am -
Nonstop1h 20m
Wed 1/61:05 pm -
Nonstop1h 30m
Deal found 10/8![British Airways logo]()
$113
This British Airways deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:30 am -
Nonstop1h 20m
Fri 12/43:50 pm -
Nonstop1h 25m
Deal found 10/12![British Airways logo]()
$114
This British Airways deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:30 am -
Nonstop1h 20m
Mon 11/308:45 am -
Nonstop1h 30m
Deal found 10/12![British Airways logo]()
$115
This British Airways deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:30 am -
Nonstop1h 20m
Sat 12/124:10 pm -
Nonstop1h 25m
Deal found 10/11![British Airways logo]()
$116
Best flights from Heathrow to DublinDiscover carefully curated flight deals from Heathrow to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated flight deals from Heathrow to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This Booking.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:30 am -
Nonstop1h 20m
Wed 12/23:10 pm -
Nonstop1h 25m
Deal found 10/11![British Airways logo]()
$110
This British Airways deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:25 am -
Nonstop1h 30m
Fri 12/43:00 pm -
Nonstop1h 25m
Deal found 10/11![British Airways logo]()
$114
This British Airways deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:30 am -
Nonstop1h 20m
Thu 12/33:00 pm -
Nonstop1h 25m
Deal found 10/11![British Airways logo]()
$115
This British Airways deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:25 pm -
Nonstop1h 30m
Sat 11/218:40 pm -
Nonstop1h 20m
Deal found 10/7![British Airways logo]()
$126
This Expedia deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:30 am -
Nonstop1h 20m
Sat 11/711:00 am -
Nonstop1h 30m
Deal found 10/11![British Airways logo]()
$127
This British Airways deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:35 pm -
Nonstop1h 30m
Sat 11/75:55 pm -
Nonstop1h 20m
Deal found 10/11![British Airways logo]()
$139
This British Airways deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:25 pm -
Nonstop1h 30m
Wed 11/119:00 am -
Nonstop1h 30m
Deal found 10/7![British Airways logo]()
$139
This British Airways deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:25 pm -
Nonstop1h 20m
Thu 11/128:50 am -
Nonstop1h 30m
Deal found 10/10![British Airways logo]()
$145
This British Airways deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:30 am -
Nonstop1h 20m
Thu 12/248:40 pm -
Nonstop1h 20m
Deal found 10/8![British Airways logo]()
$148
This British Airways deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:25 pm -
Nonstop1h 30m
Fri 11/68:35 pm -
Nonstop1h 20m
Deal found 10/9![British Airways logo]()
$149
Last-minute flights from Heathrow to DublinDiscover last-minute flight deals from Heathrow to Dublin. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Dublin. Data last updated October 12, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:50 pm -
Nonstop1h 25m
Thu 10/228:35 am -
Nonstop1h 35m
Deal found 10/8![Multiple Airlines logo]()
$113
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:25 pm -
Nonstop1h 25m
Thu 10/228:35 am -
Nonstop1h 35m
Deal found 10/8![Multiple Airlines logo]()
$129
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:10 pm -
Nonstop1h 25m
Wed 10/218:30 pm -
Nonstop1h 15m
Deal found 10/7![Multiple Airlines logo]()
$134
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:25 pm -
Nonstop1h 25m
Mon 10/266:40 am -
Nonstop1h 25m
Deal found 10/8![Aer Lingus logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:10 pm -
Nonstop1h 25m
Sat 10/247:00 pm -
Nonstop1h 20m
Deal found 10/7![Aer Lingus logo]()
$161
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:50 pm -
Nonstop1h 25m
Thu 10/296:35 am -
Nonstop1h 30m
Deal found 10/8![Aer Lingus logo]()
$121
This deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:20 am -
Nonstop1h 25m
Thu 10/293:00 pm -
Nonstop1h 25m
Deal found 10/9![British Airways logo]()
$122
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:10 pm -
Nonstop1h 25m
Tue 10/277:45 pm -
Nonstop1h 20m
Deal found 10/8![Aer Lingus logo]()
$139
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:10 pm -
Nonstop1h 25m
Mon 10/266:40 am -
Nonstop1h 25m
Deal found 10/8![Aer Lingus logo]()
$153
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:40 am -
Nonstop1h 20m
Sun 10/256:40 am -
Nonstop1h 25m
Deal found 10/7![Aer Lingus logo]()
$162
One-way flights from Heathrow to DublinSearch for one-way flight options from Heathrow to Dublin. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from Heathrow to Dublin. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Booking.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:45 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Aer Lingus logo]()
$54
This Booking.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:50 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Aer Lingus logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:50 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Aer Lingus logo]()
$57
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/204:20 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Aer Lingus logo]()
$58
This FlightHub deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:45 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Aer Lingus logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/98:45 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Aer Lingus logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/58:45 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Aer Lingus logo]()
$61
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:50 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Aer Lingus logo]()
$65
This Booking.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:25 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Aer Lingus logo]()
$67
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 October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $96 |
One-way from | $54 (Booking.com) |
Popular in | December |
Cheapest in | January |
Average price | $166 |
Good round-trip deal | $249 or less |
Good one-way deal | $163 or less |
Cheapflights Fare Finder
Customize 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 October 12, 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
Cheapest round-trip
Quickest round-trip
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Mon 2/8
6:30 am-7:50 am
Nonstop1h 20m
Dublin
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$77
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Sat 4/3
6:15 am-7:40 am
Nonstop1h 25m
Dublin
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$80
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Fri 4/2
6:20 am-7:45 am
Nonstop1h 25m
Dublin
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$82
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Thu 11/12
6:30 am-7:50 am
Nonstop1h 20m
Dublin
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$86
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Fri 12/4
4:05 pm-5:35 pm
Nonstop1h 30m
Dublin
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$95
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Wed 11/11
6:25 pm-7:45 pm
Nonstop1h 20m
Dublin
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Sun 11/8
8:25 am-9:55 am
Nonstop1h 30m
Dublin
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Thu 4/8
10:35 am-12:05 pm
Nonstop1h 30m
Dublin
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Wed 11/25
6:30 am-7:50 am
Nonstop1h 20m
Dublin
Wed 12/2
3:10 pm-4:35 pm
Nonstop1h 25m
$110
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Tue 12/1
8:25 am-9:55 am
Nonstop1h 30m
Dublin
Fri 12/4
3:00 pm-4:25 pm
Nonstop1h 25m
$114
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Dublin
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Dublin in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Dublin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 round-trip 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?
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 $146). Flying from London Heathrow Airport to Dublin in December is currently the most expensive (average of $203). 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 October 12, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 66% on flights from London Heathrow Airport to Dublin by exploring options for tickets in the afternoon.
What is the cheapest day to fly from London Heathrow Airport to Dublin?
Use this chart to determine the cheapest time to fly round-trip from Heathrow to Dublin. Price data was last updated on October 3, 2026.
Travelers seeking maximum savings on their London Heathrow Airport to Dublin flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 106 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 last year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.
The best insider tips for London Heathrow Airport to Dublin flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Dublin trip
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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 October 12, 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Dublin, such as Aer Lingus and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Entertainment
7.0
Crew
8.1
Food
6.7
Overall
7.3
Boarding
7.5
Reviews
1 / 20
10.0
ExcellentPatrick,Sep 2026
CDG - DUB
Comfort
7.2
Entertainment
7.0
Crew
8.1
Food
6.7
Overall
7.3
Boarding
7.5
Reviews
1 / 20
10.0
ExcellentPatrick,Sep 2026
CDG - DUB
Comfort
7.2
Entertainment
7.0
Crew
8.1
Food
6.7
Overall
7.3
Boarding
7.5
Reviews
1 / 20
10.0
ExcellentPatrick,Sep 2026
CDG - DUB
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.
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsCastleknock
Bray
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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 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$110 | Average$177 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$149 | Average$208 | FlexibilityNo cancel fee | On-timeN/A |