$42+ 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
Nov 25 — Dec 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 57 days in advance, depart on a Friday or Tuesday 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 October 26, 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 October 26, 2026.
This Booking.com deal was found by Cheapflights users on 10/24. 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 11/119:00 am -
Nonstop1h 30m
Thu 11/196:30 am -
Nonstop1h 20m
Deal found 10/24![British Airways logo]()
$102
This Booking.com deal was found by Cheapflights users on 10/22. 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 11/49:00 am -
Nonstop1h 30m
Sat 11/76:25 pm -
Nonstop1h 20m
Deal found 10/22![British Airways logo]()
$103
This Booking.com deal was found by Cheapflights users on 10/24. 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 11/74:10 pm -
Nonstop1h 25m
Sun 11/88:25 am -
Nonstop1h 30m
Deal found 10/24![British Airways logo]()
$104
This British Airways deal was found by Cheapflights users on 10/21. 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
Thu 11/1212:35 pm -
Nonstop1h 30m
Deal found 10/21![British Airways logo]()
$105
This British Airways deal was found by Cheapflights users on 10/23. 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 11/138:35 pm -
Nonstop1h 20m
Mon 11/163:25 pm -
Nonstop1h 30m
Deal found 10/23![British Airways logo]()
$106
This Booking.com deal was found by Cheapflights users on 10/21. 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.
Fri 11/136:30 pm -
Nonstop1h 20m
Sat 11/147:50 am -
Nonstop1h 20m
Deal found 10/21![Aer Lingus logo]()
$107
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Fri 11/136:35 am -
Nonstop1h 30m
Fri 11/137:45 pm -
Nonstop1h 20m
Deal found 10/22![Aer Lingus logo]()
$108
This Mytrip deal was found by Cheapflights users on 10/22. 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 11/216:30 pm -
Nonstop1h 20m
Sun 11/227:50 am -
Nonstop1h 20m
Deal found 10/22![Aer Lingus logo]()
$110
This British Airways deal was found by Cheapflights users on 10/22. 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 12/16:00 pm -
Nonstop1h 20m
Sat 12/51:45 pm -
Nonstop1h 30m
Deal found 10/22![British Airways logo]()
$111
This Mytrip deal was found by Cheapflights users on 10/21. 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 11/189:00 am -
Nonstop1h 30m
Wed 11/256:25 pm -
Nonstop1h 20m
Deal found 10/21![British Airways logo]()
$112
This British Airways deal was found by Cheapflights users on 10/25. 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 11/108:50 am -
Nonstop1h 30m
Sat 11/143:25 pm -
Nonstop1h 30m
Deal found 10/25![British Airways logo]()
$113
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 October 26, 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 October 26, 2026.
This British Airways deal was found by Cheapflights users on 10/24. 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 11/138:35 pm -
Nonstop1h 20m
Mon 11/163:25 pm -
Nonstop1h 30m
Deal found 10/24![British Airways logo]()
$106
This KLM deal was found by Cheapflights users on 10/21. 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.
Sun 11/85:45 am -
1 stop5h 00m
Sat 11/148:40 am -
1 stop7h 40m
Deal found 10/21![KLM logo]()
$211
This ITA Airways deal was found by Cheapflights users on 10/21. 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.
Sun 12/69:10 am -
1 stop5h 35m
Mon 12/76:00 am -
1 stop5h 20m
Deal found 10/21![Multiple Airlines logo]()
$226
This British Airways deal was found by Cheapflights users on 10/23. 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
Mon 11/91:25 pm -
Nonstop1h 30m
Deal found 10/23![British Airways logo]()
$124
This British Airways deal was found by Cheapflights users on 10/25. 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 12/148:40 pm -
Nonstop1h 20m
Fri 12/186:30 am -
Nonstop1h 20m
Deal found 10/25![British Airways logo]()
$125
This British Airways deal was found by Cheapflights users on 10/23. 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 11/711:00 am -
Nonstop1h 30m
Sat 11/76:25 pm -
Nonstop1h 20m
Deal found 10/23![British Airways logo]()
$131
This British Airways deal was found by Cheapflights users on 10/25. 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 11/285:55 pm -
Nonstop1h 20m
Mon 11/306:30 am -
Nonstop1h 20m
Deal found 10/25![British Airways logo]()
$136
This British Airways deal was found by Cheapflights users on 10/21. 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 11/87:25 pm -
Nonstop1h 20m
Sat 11/143:25 pm -
Nonstop1h 30m
Deal found 10/21![British Airways logo]()
$153
This British Airways deal was found by Cheapflights users on 10/22. 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 12/1311:00 am -
Nonstop1h 30m
Sun 12/134:15 pm -
Nonstop1h 30m
Deal found 10/22![British Airways logo]()
$161
This British Airways deal was found by Cheapflights users on 10/25. 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 12/218:40 pm -
Nonstop1h 20m
Thu 12/2412:35 pm -
Nonstop1h 30m
Deal found 10/25![British Airways logo]()
$169
This British Airways deal was found by Cheapflights users on 10/25. 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 12/288:40 pm -
Nonstop1h 20m
Thu 12/316:20 pm -
Nonstop1h 20m
Deal found 10/25![British Airways logo]()
$179
Last-minute flights from Dublin to HeathrowDiscover last-minute flight deals from Dublin to Heathrow. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Dublin to Heathrow. Data last updated October 26, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 10/22. 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 11/49:00 am -
Nonstop1h 30m
Sat 11/76:25 pm -
Nonstop1h 20m
Deal found 10/22![British Airways logo]()
$103
This British Airways deal was found by Cheapflights users on 10/25. 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 11/49:00 am -
Nonstop1h 30m
Sun 11/88:25 am -
Nonstop1h 30m
Deal found 10/25![British Airways logo]()
$111
This Booking.com deal was found by Cheapflights users on 10/24. 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 11/74:10 pm -
Nonstop1h 25m
Sun 11/88:25 am -
Nonstop1h 30m
Deal found 10/24![British Airways logo]()
$104
This British Airways deal was found by Cheapflights users on 10/21. 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
Thu 11/1212:35 pm -
Nonstop1h 30m
Deal found 10/21![British Airways logo]()
$105
This British Airways deal was found by Cheapflights users on 10/25. 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 11/108:50 am -
Nonstop1h 30m
Sat 11/143:25 pm -
Nonstop1h 30m
Deal found 10/25![British Airways logo]()
$113
This Booking.com deal was found by Cheapflights users on 10/24. 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 11/119:00 am -
Nonstop1h 30m
Thu 11/196:30 am -
Nonstop1h 20m
Deal found 10/24![British Airways logo]()
$102
This British Airways deal was found by Cheapflights users on 10/23. 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 11/138:35 pm -
Nonstop1h 20m
Mon 11/163:25 pm -
Nonstop1h 30m
Deal found 10/23![British Airways logo]()
$106
This Booking.com deal was found by Cheapflights users on 10/21. 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.
Fri 11/136:30 pm -
Nonstop1h 20m
Sat 11/147:50 am -
Nonstop1h 20m
Deal found 10/21![Aer Lingus logo]()
$107
This Booking.com deal was found by Cheapflights users on 10/22. 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.
Fri 11/136:35 am -
Nonstop1h 30m
Fri 11/137:45 pm -
Nonstop1h 20m
Deal found 10/22![Aer Lingus logo]()
$108
This Mytrip deal was found by Cheapflights users on 10/21. 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 11/189:00 am -
Nonstop1h 30m
Wed 11/256:25 pm -
Nonstop1h 20m
Deal found 10/21![British Airways logo]()
$112
This Mytrip deal was found by Cheapflights users on 10/22. 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 11/216:30 pm -
Nonstop1h 20m
Sun 11/227:50 am -
Nonstop1h 20m
Deal found 10/22![Aer Lingus logo]()
$110
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 October 26, 2026.
Search for one-way flight options from Dublin to Heathrow. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This British Airways deal was found by Cheapflights users on 10/22. 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 1/94:10 pm -
Nonstop1h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![British Airways logo]()
$42
This British Airways deal was found by Cheapflights users on 10/26. 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 11/49:00 am -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![British Airways logo]()
$43
This Booking.com deal was found by Cheapflights users on 10/22. 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 11/78:40 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![British Airways logo]()
$44
This Booking.com deal was found by Cheapflights users on 10/21. 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 12/166:35 am -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Aer Lingus logo]()
$46
This British Airways deal was found by Cheapflights users on 10/21. 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 11/98:40 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![British Airways logo]()
$47
This British Airways deal was found by Cheapflights users on 10/21. 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 12/128:40 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![British Airways logo]()
$49
This British Airways deal was found by Cheapflights users on 10/21. 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 10/21![British Airways logo]()
$50
This British Airways deal was found by Cheapflights users on 10/25. 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 11/308:40 pm -
Nonstop1h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![British Airways logo]()
$51
This Jetabroad deal was found by Cheapflights users on 10/23. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:35 am -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Aer Lingus logo]()
$52
This Booking.com deal was found by Cheapflights users on 10/24. 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 11/1011:00 am -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![British Airways logo]()
$54
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $102 (Booking.com) |
One-way from | $42 (British Airways) |
Popular in | June |
Cheapest in | January |
Average price | $166 |
Good round-trip deal | $183 or less |
Good one-way deal | $81 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 October 26, 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
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Sat 1/9
4:10 pm-5:35 pm
Nonstop1h 25m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$42
Quickest round-trip
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Sat 12/12
8:40 pm-10:00 pm
Nonstop1h 20m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$49
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Wed 12/16
5:50 pm-7:10 pm
Nonstop1h 20m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$51
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Thu 12/31
8:40 pm-10:00 pm
Nonstop1h 20m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$55
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Thu 11/12
8:50 am-10:20 am
Nonstop1h 30m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$55
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Mon 11/9
8:40 pm-10:00 pm
Nonstop1h 20m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$55
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Tue 11/10
8:50 am-10:20 am
Nonstop1h 30m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$56
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Mon 12/21
8:40 pm-10:00 pm
Nonstop1h 20m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Tue 12/22
8:40 pm-10:00 pm
Nonstop1h 20m
London Heathrow
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$71
DublinLondon
DUB Dublin - LHR London Heathrow
DUBLHR
Dublin
Fri 11/13
8:35 pm-9:55 pm
Nonstop1h 20m
London Heathrow
Mon 11/16
3:25 pm-4:55 pm
Nonstop1h 30m
$106
Showing 1-10 of 20 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 October.
| 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
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 56 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 June 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 October 26, 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 October 24, 2026.
Travelers seeking maximum savings on their Dublin to London Heathrow Airport flight should consider departing on Tuesday 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 16% of weekly flights between Dublin and London have experienced delays in the past year, with the average delay time being 98 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 Sunday 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 October 26, 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
7.1
Food
6.7
Boarding
7.5
Overall
7.3
Comfort
7.2
Crew
8.1
Reviews
1 / 20
10.0
ExcellentKarin,Oct 2026
DUB - MCO
Entertainment
7.1
Food
6.7
Boarding
7.5
Overall
7.3
Comfort
7.2
Crew
8.1
Reviews
1 / 20
10.0
ExcellentKarin,Oct 2026
DUB - MCO
Entertainment
7.1
Food
6.7
Boarding
7.5
Overall
7.3
Comfort
7.2
Crew
8.1
Reviews
1 / 20
10.0
ExcellentKarin,Oct 2026
DUB - MCO
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
Wembley
Harrow
Southend-on-Sea
Basingstoke
Watford
Northampton
Dartford
Winchester
Croydon
Kingston upon Thames
Chipping Norton
Slough
Eastbourne
Stansted
Sutton
Luton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Heathrow flight routes
Other flight options
Other flights from Dublin
Popular flights
Alternative routes for Dublin to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dublin to Heathrow by cabin class
Find flights from Dublin to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
Dublin and Heathrow flights
Browse other Dublin and Heathrow flight options. Last updated on October 26, 2026.
Other flights from Dublin
Browse through other flights departing from Dublin. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 26, 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 |