Cheap flights from London Heathrow Airport to Dublin from C$ 101
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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
4 Oct — 11 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Dublin are usually found in January or October, booked 85 days in advance, depart on a Monday or Wednesday and return on a Friday
Cheap flight deals from Heathrow to Dublin
Enter your travel dates to find the best prices.
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One-way
Cheapest flights from Heathrow to Dublin
Explore the most affordable flight options available from Heathrow to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.
Tue 29/126:25 p.m. -
Nonstop1h 20m
Tue 5/16:00 p.m. -
Nonstop1h 20m
Deal found 31/8C$ 157
Mon 7/126:30 a.m. -
Nonstop1h 20m
Mon 7/124:00 p.m. -
Nonstop1h 25m
Deal found 1/9C$ 167
Sat 10/104:20 p.m. -
Nonstop1h 30m
Mon 12/108:30 a.m. -
Nonstop1h 35m
Deal found 31/8C$ 168
Wed 21/105:20 p.m. -
Nonstop1h 30m
Wed 28/108:40 p.m. -
Nonstop1h 20m
Deal found 2/9C$ 170
Tue 27/106:30 a.m. -
Nonstop1h 20m
Sat 31/105:55 p.m. -
Nonstop1h 20m
Deal found 30/8C$ 171
Fri 6/116:30 a.m. -
Nonstop1h 20m
Mon 9/118:45 a.m. -
Nonstop1h 30m
Deal found 3/9C$ 173
Thu 29/106:30 a.m. -
Nonstop1h 20m
Thu 29/108:40 p.m. -
Nonstop1h 20m
Deal found 31/8C$ 174
Mon 9/116:30 a.m. -
Nonstop1h 20m
Thu 12/1110:50 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 175
Sat 28/111:45 p.m. -
Nonstop1h 30m
Sat 28/118:40 p.m. -
Nonstop1h 20m
Deal found 2/9C$ 177
Mon 26/106:30 a.m. -
Nonstop1h 20m
Thu 29/108:50 a.m. -
Nonstop1h 30m
Deal found 3/9C$ 178
Mon 12/106:20 a.m. -
Nonstop1h 25m
Wed 14/107:45 p.m. -
Nonstop1h 15m
Deal found 2/9C$ 179
Best flights from Heathrow to Dublin
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 4 September 2026.
Thu 15/104:30 p.m. -
Nonstop1h 30m
Thu 22/108:35 a.m. -
Nonstop1h 35m
Deal found 3/9C$ 175
Sat 31/1011:15 a.m. -
1 stop5h 05m
Tue 3/116:00 a.m. -
1 stop4h 30m
Deal found 1/9C$ 320
Fri 25/96:30 a.m. -
1 stop6h 10m
Mon 28/91:25 p.m. -
1 stop4h 10m
Deal found 1/9C$ 333
Mon 30/118:05 p.m. -
1 stop15h 15m
Mon 14/1212:10 p.m. -
2 stops9h 15m
Deal found 31/8C$ 373
Thu 15/106:20 a.m. -
Nonstop1h 25m
Sat 24/108:15 p.m. -
Nonstop1h 15m
Deal found 3/9C$ 192
Fri 18/98:15 a.m. -
Nonstop1h 25m
Mon 21/98:30 a.m. -
Nonstop1h 35m
Deal found 3/9C$ 244
Fri 2/1011:45 a.m. -
1 stop4h 55m
Fri 9/105:55 a.m. -
1 stop4h 50m
Deal found 2/9C$ 333
Wed 7/106:30 a.m. -
1 stop3h 55m
Sat 10/101:25 p.m. -
1 stop4h 25m
Deal found 31/8C$ 333
Thu 17/912:10 p.m. -
1 stop5h 40m
Mon 21/98:45 a.m. -
1 stop7h 55m
Deal found 30/8C$ 392
Sat 3/108:40 a.m. -
1 stop4h 00m
Tue 6/1011:10 a.m. -
1 stop5h 05m
Deal found 3/9C$ 333
Tue 22/93:00 p.m. -
1 stop27h 20m
Thu 24/94:50 p.m. -
1 stop21h 25m
Deal found 3/9C$ 398
Tue 6/105:10 p.m. -
1 stop5h 15m
Tue 13/105:55 a.m. -
1 stop4h 50m
Deal found 30/8C$ 334
Direct flights from Heathrow to Dublin
Explore direct flight options from Heathrow to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 September 2026.
Sat 10/104:20 p.m. -
Nonstop1h 30m
Mon 12/108:30 a.m. -
Nonstop1h 35m
Deal found 31/8C$ 168
Wed 21/105:20 p.m. -
Nonstop1h 30m
Wed 28/108:40 p.m. -
Nonstop1h 20m
Deal found 2/9C$ 170
Tue 27/106:30 a.m. -
Nonstop1h 20m
Sat 31/105:55 p.m. -
Nonstop1h 20m
Deal found 30/8C$ 171
Fri 6/116:30 a.m. -
Nonstop1h 20m
Mon 9/118:45 a.m. -
Nonstop1h 30m
Deal found 3/9C$ 173
Thu 29/106:30 a.m. -
Nonstop1h 20m
Thu 29/108:40 p.m. -
Nonstop1h 20m
Deal found 31/8C$ 174
Mon 9/116:30 a.m. -
Nonstop1h 20m
Thu 12/1110:50 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 175
Sat 28/116:25 p.m. -
Nonstop1h 20m
Wed 2/129:00 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 177
Mon 26/106:30 a.m. -
Nonstop1h 20m
Thu 29/108:50 a.m. -
Nonstop1h 30m
Deal found 3/9C$ 178
Mon 12/106:20 a.m. -
Nonstop1h 25m
Wed 14/107:45 p.m. -
Nonstop1h 15m
Deal found 2/9C$ 179
Mon 19/106:20 a.m. -
Nonstop1h 25m
Thu 22/108:35 a.m. -
Nonstop1h 35m
Deal found 3/9C$ 184
Tue 17/116:25 p.m. -
Nonstop1h 20m
Thu 19/118:40 p.m. -
Nonstop1h 20m
Deal found 2/9C$ 185
Last-minute flights from Heathrow to Dublin
Discover last-minute flight deals from Heathrow to Dublin. Data last updated 4 September 2026 and is based on user searches.
Fri 2/108:10 p.m. -
Nonstop1h 20m
Fri 9/108:10 p.m. -
Nonstop1h 15m
Deal found 2/9C$ 185
Sat 10/104:20 p.m. -
Nonstop1h 30m
Mon 12/108:30 a.m. -
Nonstop1h 35m
Deal found 31/8C$ 168
Mon 12/106:20 a.m. -
Nonstop1h 25m
Wed 14/107:45 p.m. -
Nonstop1h 15m
Deal found 2/9C$ 179
Fri 16/106:20 a.m. -
Nonstop1h 25m
Thu 22/108:35 a.m. -
Nonstop1h 35m
Deal found 3/9C$ 175
Mon 19/106:20 a.m. -
Nonstop1h 25m
Thu 22/108:35 a.m. -
Nonstop1h 35m
Deal found 3/9C$ 184
Tue 20/108:50 a.m. -
Nonstop1h 25m
Wed 21/109:40 a.m. -
Nonstop1h 30m
Deal found 3/9C$ 177
Wed 21/105:20 p.m. -
Nonstop1h 30m
Wed 28/108:40 p.m. -
Nonstop1h 20m
Deal found 2/9C$ 170
Mon 26/106:30 a.m. -
Nonstop1h 20m
Thu 29/108:40 p.m. -
Nonstop1h 20m
Deal found 2/9C$ 178
Tue 27/106:30 a.m. -
Nonstop1h 20m
Sat 31/105:55 p.m. -
Nonstop1h 20m
Deal found 30/8C$ 171
Thu 29/106:30 a.m. -
Nonstop1h 20m
Thu 29/108:40 p.m. -
Nonstop1h 20m
Deal found 31/8C$ 174
Fri 30/106:30 a.m. -
Nonstop1h 20m
Sun 1/118:40 p.m. -
Nonstop1h 20m
Deal found 30/8C$ 191
One-way flights from Heathrow to Dublin
Search for one-way flight options from Heathrow to Dublin. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.
Wed 7/106:10 p.m. -
Nonstop1h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/9C$ 101
Fri 13/116:30 a.m. -
Nonstop1h 20m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 109
Wed 21/105:20 p.m. -
Nonstop1h 30m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 31/8C$ 110
Thu 22/106:20 a.m. -
Nonstop1h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/9C$ 112
Mon 12/106:20 a.m. -
Nonstop1h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/9C$ 113
Thu 15/106:20 a.m. -
Nonstop1h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 115
Fri 9/106:20 a.m. -
Nonstop1h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 116
Mon 26/106:30 a.m. -
Nonstop1h 20m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 31/8C$ 117
Sat 19/96:15 a.m. -
Nonstop1h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 31/8C$ 119
Sun 15/118:25 a.m. -
Nonstop1h 30m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/9C$ 120
Fri 25/96:20 a.m. -
Nonstop1h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 31/8C$ 122
Sun 11/108:50 a.m. -
Nonstop1h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/9C$ 123
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 4 September 2026.
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 4 September 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Sat 10/10
4:20 p.m.-5:50 p.m.
Nonstop1h 30m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 116
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Thu 22/10
6:20 a.m.-7:45 a.m.
Nonstop1h 25m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 117
Quickest round-trip
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Wed 2/12
6:25 p.m.-7:45 p.m.
Nonstop1h 20m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 117
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Mon 2/11
6:30 a.m.-7:50 a.m.
Nonstop1h 20m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 117
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Fri 30/10
6:30 a.m.-7:50 a.m.
Nonstop1h 20m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 119
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Fri 25/9
6:20 a.m.-7:45 a.m.
Nonstop1h 25m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 139
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Wed 30/9
6:05 p.m.-7:30 p.m.
Nonstop1h 25m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 141
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Wed 21/10
3:00 p.m.-4:55 p.m.
1 stop25h 55m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 160
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Mon 12/10
3:00 p.m.-5:00 p.m.
1 stop26h 00m
Dublin
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 171
LondonDublin
LHR London Heathrow - DUB Dublin
LHRDUB
London Heathrow
Thu 15/10
4:30 p.m.-6:00 p.m.
Nonstop1h 30m
Dublin
Thu 22/10
8:35 a.m.-10:10 a.m.
Nonstop1h 35m
C$ 175
Flights are sorted by cheapest round-trip flights first.
Deals found on 4/9
Showing 1-10 of 24 resultsSorted by cheapest first
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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?
The price you pay for your flight from London Heathrow Airport to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 C$ 197). Flying from London Heathrow Airport to Dublin in July is currently the most expensive (average of C$ 273). 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 4 September 2026.
When flying from London Heathrow Airport to Dublin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 77% versus a flight in the evening.
How much does it cost to fly round-trip from London Heathrow Airport to Dublin?
Airfare is below average for this route at the moment.
London Heathrow Airport to Dublin flights typically cost between C$ 197 and C$ 301 in December.The cheapest round-trip price found within the last 5 days was C$ 157 on British Airways (29 Dec-5 Jan).
Weekly flight availability from London Heathrow Airport to Dublin
Explore weekly flight availability from Heathrow to Dublin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 September 2026.
The most flights from LHR to DUB are scheduled on a Wednesday (75 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).
How often are flights from London to Dublin delayed?
About 14% of weekly flights between London and Dublin have experienced delays in the past year, with the average delay time being 105 minutes.
What is the most punctual flight time for London to Dublin flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Dublin flights?
Over the past year, Aer Lingus has had the lowest number of delays on this route, with just 13% of flights being delayed.
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 4 September 2026.
Check out reviews from past customers who have flown with Aer Lingus and British Airways from London Heathrow Airport to Dublin 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.
Flight crew were very nice and friendly and very professional. I enjoyed my flights.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Dublin from London Heathrow?
For a flight from London Heathrow to Dublin, you will be flying into Dublin. Dublin (DUB) is just 9.2 km from the centre of the city. Dublin is the only Dublin airport and it handles 50 inbound flights from London Heathrow per day. 2 airlines have flights to Dublin from London Heathrow on a regular basis.
How long is the flight from London Heathrow Airport to Dublin?
For as low as C$ 175, British Airways can have you in Dublin from London Heathrow Airport in 1h 30m. The distance between London Heathrow Airport and Dublin is about 449 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to Dublin round-trip?
Flying on British Airways is currently your cheapest option to Dublin, with prices starting at C$ 145. Another option worth looking into is Aer Lingus, starting at C$ 177 round trip. British Airways is priced at 40% lower than the current average price of a flight leaving 3 months from now.
What are the most reliable airlines from London Heathrow Airport to Dublin?
Before booking your flight to Dublin from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (87%), Kenya Airways (81%), Aer Lingus( 80%).
What are the cheapest flights from London Heathrow Airport to Dublin?
Looking at all options, your cheapest flight can be booked for C$ 140. While the most popular route (London Heathrow - Dublin) can be booked for C$ 523 on average, our data indicates C$ 534 when flying from London Heathrow Airport to Dublin.
Can I find deals for business class flights from Heathrow to Dublin?
Yes. Cheapflights offers flight deals from Heathrow to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Dublin?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Dublin (average of C$ 197). Flying from London Heathrow Airport to Dublin in July is currently the most expensive (average of C$ 273). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.
Discover the top 2 airlines that operate flights from Heathrow to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 4 September 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Dublin?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Dublin. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Dublin?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Dublin.
Can Cheapflights find flights from Heathrow to Dublin with no change fees?
Yes, we can. To see specific flights from Heathrow to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Heathrow to Dublin become cheaper?
Yes, Cheapflights offers price alerts on Heathrow to Dublin flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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