$44+ Cheap flights from Dublin (DUB) to Heathrow (LHR)
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.
DUB — LHR
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Dublin to Heathrow 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 Dublin to London Heathrow are usually found in January or February, booked 63 days in advance, depart on a Tuesday or Friday and return on a Friday
Cheap flight deals from Dublin to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dublin to HeathrowExplore the most affordable flight options available from Dublin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Dublin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Tue 10/63:55 pm -
Nonstop1h 25m
Wed 10/214:50 pm -
Nonstop1h 30m
Deal found 9/6![Aer Lingus logo]()
$104
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 pm -
Nonstop1h 20m
Sat 10/318:45 pm -
Nonstop1h 20m
Deal found 9/9![Aer Lingus logo]()
$106
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 pm -
Nonstop1h 25m
Sat 10/173:50 pm -
Nonstop1h 25m
Deal found 9/9![Aer Lingus logo]()
$108
This Booking.com deal was found by Cheapflights users on 9/6. 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 10/61:30 pm -
Nonstop1h 30m
Tue 10/133:50 pm -
Nonstop1h 25m
Deal found 9/6![Aer Lingus logo]()
$110
This Booking.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/152:30 pm -
Nonstop1h 30m
Sat 10/177:10 pm -
Nonstop1h 25m
Deal found 9/9![Aer Lingus logo]()
$111
This Booking.com deal was found by Cheapflights users on 9/9. 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.
Sun 10/116:30 am -
Nonstop1h 35m
Thu 10/157:40 am -
Nonstop1h 20m
Deal found 9/9![Aer Lingus logo]()
$112
This Expedia deal was found by Cheapflights users on 9/8. 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 11/108:40 pm -
Nonstop1h 20m
Fri 11/1312:30 pm -
Nonstop1h 30m
Deal found 9/8![British Airways logo]()
$113
This Booking.com deal was found by Cheapflights users on 9/6. 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 12/18:40 pm -
Nonstop1h 20m
Fri 12/116:30 am -
Nonstop1h 20m
Deal found 9/6![British Airways logo]()
$114
This Booking.com deal was found by Cheapflights users on 9/6. 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 12/18:40 pm -
Nonstop1h 20m
Thu 12/106:30 am -
Nonstop1h 20m
Deal found 9/6![British Airways logo]()
$115
This British Airways deal was found by Cheapflights users on 9/6. 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 11/78:40 pm -
Nonstop1h 20m
Sun 11/85:20 pm -
Nonstop1h 20m
Deal found 9/6![British Airways logo]()
$116
This British Airways deal was found by Cheapflights users on 9/10. 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.
Sat 11/288:40 pm -
Nonstop1h 20m
Mon 11/306:30 am -
Nonstop1h 20m
Deal found 9/10![British Airways logo]()
$117
Best flights from Dublin to HeathrowDiscover carefully curated flight deals from Dublin to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Dublin to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This British Airways deal was found by Cheapflights users on 9/6. 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 10/168:35 am -
Nonstop1h 35m
Mon 10/196:20 am -
Nonstop1h 25m
Deal found 9/6![British Airways logo]()
$128
This KLM deal was found by Cheapflights users on 9/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:55 am -
1 stop4h 50m
Sun 9/278:40 am -
1 stop4h 00m
Deal found 9/5![KLM logo]()
$239
This Transavia Smart Connect deal was found by Cheapflights users on 9/8. 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 Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:10 am -
1 stop5h 15m
Sun 11/223:15 pm -
1 stop15h 45m
Deal found 9/8![Multiple Airlines logo]()
$240
This British Airways deal was found by Cheapflights users on 9/10. 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.
Fri 11/68:35 pm -
Nonstop1h 20m
Sun 11/86:20 pm -
Nonstop1h 20m
Deal found 9/10![British Airways logo]()
$130
This British Airways deal was found by Cheapflights users on 9/5. 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 10/298:40 pm -
Nonstop1h 20m
Sun 11/111:15 am -
Nonstop1h 30m
Deal found 9/5![British Airways logo]()
$144
This British Airways deal was found by Cheapflights users on 9/6. 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 10/28:35 am -
Nonstop1h 35m
Sun 10/42:50 pm -
Nonstop1h 30m
Deal found 9/6![British Airways logo]()
$152
This British Airways deal was found by Cheapflights users on 9/6. 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.
Sun 10/48:30 pm -
Nonstop1h 15m
Wed 10/78:15 am -
Nonstop1h 25m
Deal found 9/6![British Airways logo]()
$159
This ITA Airways deal was found by Cheapflights users on 9/9. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:45 am -
1 stop5h 05m
Sun 11/86:00 am -
1 stop5h 20m
Deal found 9/9![Multiple Airlines logo]()
$241
This British Airways deal was found by Cheapflights users on 9/9. 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.
Sat 9/198:15 pm -
Nonstop1h 15m
Sun 9/278:15 am -
Nonstop1h 25m
Deal found 9/9![British Airways logo]()
$181
This British Airways deal was found by Cheapflights users on 9/8. 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.
Fri 9/1810:30 am -
Nonstop1h 30m
Mon 9/211:00 pm -
Nonstop1h 30m
Deal found 9/8![British Airways logo]()
$216
This British Airways deal was found by Cheapflights users on 9/10. 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.
Fri 9/188:35 am -
Nonstop1h 35m
Sun 9/206:20 am -
Nonstop1h 25m
Deal found 9/10![British Airways logo]()
$235
Last-minute flights from Dublin to HeathrowDiscover last-minute flight deals from Dublin to Heathrow. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Dublin to Heathrow. Data last updated September 11, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/8. 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 9/291:30 pm -
Nonstop1h 30m
Wed 9/303:50 pm -
Nonstop1h 25m
Deal found 9/8![Aer Lingus logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:30 pm -
Nonstop1h 30m
Sat 10/38:10 pm -
Nonstop1h 20m
Deal found 9/9![Aer Lingus logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:45 am -
Nonstop1h 30m
Sat 10/33:50 pm -
Nonstop1h 25m
Deal found 9/9![Aer Lingus logo]()
$119
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Tue 10/63:55 pm -
Nonstop1h 25m
Wed 10/214:50 pm -
Nonstop1h 30m
Deal found 9/6![Aer Lingus logo]()
$104
This Booking.com deal was found by Cheapflights users on 9/6. 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 10/61:30 pm -
Nonstop1h 30m
Tue 10/133:50 pm -
Nonstop1h 25m
Deal found 9/6![Aer Lingus logo]()
$110
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:30 pm -
Nonstop1h 25m
Wed 10/77:40 am -
Nonstop1h 20m
Deal found 9/10![Aer Lingus logo]()
$113
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 pm -
Nonstop1h 25m
Sat 10/173:50 pm -
Nonstop1h 25m
Deal found 9/9![Aer Lingus logo]()
$108
This Booking.com deal was found by Cheapflights users on 9/9. 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.
Sun 10/116:30 am -
Nonstop1h 35m
Thu 10/157:40 am -
Nonstop1h 20m
Deal found 9/9![Aer Lingus logo]()
$112
This Booking.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/152:30 pm -
Nonstop1h 30m
Sat 10/177:10 pm -
Nonstop1h 25m
Deal found 9/9![Aer Lingus logo]()
$111
This British Airways deal was found by Cheapflights users on 9/9. 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.
Thu 10/158:35 am -
Nonstop1h 35m
Mon 10/196:10 pm -
Nonstop1h 25m
Deal found 9/9![British Airways logo]()
$118
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 pm -
Nonstop1h 20m
Sat 10/318:45 pm -
Nonstop1h 20m
Deal found 9/9![Aer Lingus logo]()
$106
One-way flights from Dublin to HeathrowSearch for one-way flight options from Dublin to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Dublin to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Tue 11/102:15 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Aer Lingus logo]()
$44
This Booking.com deal was found by Cheapflights users on 9/8. 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.
Mon 11/237:45 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Aer Lingus logo]()
$46
This Booking.com deal was found by Cheapflights users on 9/6. 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.
Mon 11/167:45 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Aer Lingus logo]()
$47
This Mytrip deal was found by Cheapflights users on 9/7. 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.
Sat 10/247:00 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Aer Lingus logo]()
$48
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:45 am -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Aer Lingus logo]()
$51
This Mytrip deal was found by Cheapflights users on 9/7. 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.
Tue 9/291:30 pm -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Aer Lingus logo]()
$52
This Mytrip deal was found by Cheapflights users on 9/7. 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.
Tue 11/32:15 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Aer Lingus logo]()
$53
This British Airways deal was found by Cheapflights users on 9/6. 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 11/188:40 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![British Airways logo]()
$54
This Expedia deal was found by Cheapflights users on 9/6. 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 10/61:30 pm -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Aer Lingus logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:30 pm -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Aer Lingus logo]()
$56
Find flight deals from Dublin to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Heathrow (LHR). 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $104 (Mytrip) |
One-way from | $44 (Mytrip) |
Popular in | April |
Cheapest in | January |
Average price | $178 |
Good round-trip deal | $177 or less |
Good one-way deal | $92 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dublin to Heathrow 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 September 11, 2026.
Use the filters below to find and compare flights from Dublin to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Fri 10/2
8:10 pm-9:25 pm
Nonstop1h 15m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$78
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Tue 9/22
10:30 am-12:00 pm
Nonstop1h 30m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$78
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Sat 10/24
8:15 pm-9:30 pm
Nonstop1h 15m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$78
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Mon 9/14
6:00 pm-7:25 pm
Nonstop1h 25m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$83
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Thu 9/17
8:35 am-10:10 am
Nonstop1h 35m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$87
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Tue 12/8
5:45 am-10:45 am
1 stop5h 00m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$91
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Sat 11/7
5:45 am-12:05 pm
1 stop6h 20m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$91
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Sun 11/22
5:45 am-10:45 am
1 stop5h 00m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$91
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Fri 12/4
5:15 pm-8:50 pm
1 stop3h 35m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$91
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Mon 11/2
5:45 am-10:45 am
1 stop5h 00m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$91
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Dublin to Heathrow
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 Dublin to Heathrow in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Dublin-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dublin-London Heathrow Airport 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 Dublin-London Heathrow Airport 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 Dublin to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Dublin with our price prediction graph.
DUB-LHR
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 Dublin to London Heathrow Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Dublin to London Heathrow Airport?
The best time to book flights from Dublin to London Heathrow Airport is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Dublin to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of $136). Flying from Dublin to London Heathrow Airport in April is currently the most expensive (average of $188). 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 DUB to LHR?
Find hourly flight availability from Dublin to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2026.
A simple way to save on the total cost of your ticket is to fly from Dublin to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 78% on your trip compared to booking a flight in the afternoon.
What is the cheapest day to fly from Dublin to London Heathrow Airport?
Use this chart to determine the cheapest time to fly round-trip from Dublin to Heathrow. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Dublin to London Heathrow Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Dublin to London delayed?
About 15% of weekly flights between Dublin and London have experienced delays in the past year, with the average delay time being 97 minutes.
What is the most punctual flight time for Dublin to London flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dublin to London 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 Dublin to London Heathrow Airport 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 Dublin to London Heathrow Airport trip
Our travel experts
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated September 11, 2026.
Peruse reviews from past customers who have flown with Aer Lingus and British Airways from Dublin to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Food
6.7
Boarding
7.5
Comfort
7.2
Crew
8.1
Overall
7.3
Reviews
1 / 20
10.0
ExcellentPatrick,Sep 2026
DUB - IAD
Entertainment
7.0
Food
6.7
Boarding
7.5
Comfort
7.2
Crew
8.1
Overall
7.3
Reviews
1 / 20
10.0
ExcellentPatrick,Sep 2026
DUB - IAD
Entertainment
7.0
Food
6.7
Boarding
7.5
Comfort
7.2
Crew
8.1
Overall
7.3
Reviews
1 / 20
10.0
ExcellentPatrick,Sep 2026
DUB - IAD
Related info for your journey
Find useful and relevant information for your journey from Dublin to Heathrow. 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 London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
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Top 2 airlines flying from Dublin to Heathrow
Discover the top 2 airlines that operate flights from Dublin to Heathrow. 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 September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$149 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$135 | Average$203 | FlexibilityNo cancel fee | On-timeN/A |