Which airline has the best punctuality record on Dublin to London flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

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.

How long is the flight from Dublin to London Heathrow Airport?

For as low as ₹ 10,172, British Airways can have you in London Heathrow Airport from Dublin in 1h 30m. The distance from Dublin to London Heathrow Airport is about 449 km. All flights are typically direct.

Weekly flight availability from Dublin to London Heathrow Airport

The most flights from DUB to LHR are scheduled on a Friday (72 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (56 on average).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most reliable airlines from Dublin to London Heathrow Airport?

The top 3 most reliable airlines when flying from Dublin to London Heathrow Airport are Air Canada (84%), Aer Lingus (77%) and British Airways (76%).

What airport do you fly from for flights from Dublin to London Heathrow?

For a flight from Dublin to London Heathrow, you will be flying from Dublin. Dublin (DUB) is just 9.2 km from the centre of the city. Dublin is the only Dublin airport and it handles 62 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Dublin on a regular basis.

Can I find deals for flights from Dublin to Heathrow that include hotel bookings?

Yes. In addition to deals on Dublin to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Dublin to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Heathrow.

Can I find deals for business class flights from Dublin to Heathrow?

Yes. Cheapflights offers flight deals from Dublin to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

₹ 4,126+ Cheap Flights from Dublin to London Heathrow Airport

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 Thursday or Saturday and return on a Friday

Cheap flight deals from Dublin to Heathrow

Enter your travel dates to find the best prices.

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Best

Direct

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One-way

Cheapest flights from Dublin to Heathrow
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 5 October 2026.

Sat 14/1120:40 -

Nonstop1h 20m

Sun 15/1108:25 -

Nonstop1h 30m

Deal found 5/10₹ 9,980

Sat 7/1120:40 -

Nonstop1h 20m

Sun 8/1108:25 -

Nonstop1h 30m

Deal found 1/10₹ 10,076

Sat 28/1117:55 -

Nonstop1h 20m

Mon 30/1106:30 -

Nonstop1h 20m

Deal found 3/10₹ 10,268

Wed 25/1120:40 -

Nonstop1h 20m

Fri 27/1106:30 -

Nonstop1h 20m

Deal found 1/10₹ 10,364

Sat 17/1020:15 -

Nonstop1h 15m

Tue 17/1106:30 -

Nonstop1h 20m

Deal found 1/10₹ 10,556

Mon 19/1020:30 -

Nonstop1h 15m

Fri 23/1006:20 -

Nonstop1h 25m

Deal found 3/10₹ 10,652

Wed 21/1020:30 -

Nonstop1h 15m

Fri 23/1006:20 -

Nonstop1h 25m

Deal found 1/10₹ 10,748

Sat 19/1220:40 -

Nonstop1h 20m

Mon 11/106:30 -

Nonstop1h 20m

Deal found 5/10₹ 10,844

Wed 21/1008:35 -

Nonstop1h 35m

Wed 21/1015:30 -

Nonstop1h 30m

Deal found 1/10₹ 10,939

Fri 20/1120:35 -

Nonstop1h 20m

Mon 23/1106:30 -

Nonstop1h 20m

Deal found 3/10₹ 11,035

Sat 17/1020:15 -

Nonstop1h 15m

Sun 15/1116:15 -

Nonstop1h 30m

Deal found 1/10₹ 11,131

Find flight deals from Dublin to Heathrow

Round-trip from	₹ 9,980
One-way from	₹ 4,126
Popular in	July
Cheapest in	January
Average price	₹ 15,354
Good round-trip deal	₹ 77,080 or less

British Airways
14/11-15/11
Nonstop
2h 50m total
Dublin to London

Search Deals

British Airways
9/1-31/12
Nonstop
1h 25m total
Dublin to London

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (₹ 105,849 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease (₹ 15,253 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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Price to beat on a round-trip flight from Dublin to London Heathrow.

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Cheapflights Fare Finder

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

Price

Cheapest return flight

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Tue 2/2

16:20-17:45

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 4,894

Fastest return journey

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Tue 22/12

20:40-22:00

Nonstop1h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 6,813

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Mon 12/10

15:15-16:45

Nonstop1h 30m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 7,197

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Mon 1/3

17:15-20:50

1 stop3h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,445

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Mon 16/11

05:45-10:45

1 stop5h 00m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,445

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Wed 2/12

08:50-16:05

1 stop7h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,540

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Thu 11/3

17:15-20:50

1 stop3h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,540

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Thu 19/11

08:50-16:05

1 stop7h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 8,540

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Fri 4/12

15:50-17:15

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 9,116

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Wed 6/1

09:00-10:30

Nonstop1h 30m

London Heathrow

Sat 9/1

12:45-14:15

Nonstop1h 30m

₹ 10,172

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 22 resultsSorted by cheapest first

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 return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from 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 ₹ 13,051). Flying from Dublin to London Heathrow Airport in July is currently the most expensive (average of ₹ 18,041). 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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 84% on flights from Dublin to London Heathrow Airport by exploring options for tickets in the evening.

How much does it cost for a return flight from Dublin to London Heathrow Airport?

Airfare is below average for this route at the moment.

Dublin to London Heathrow Airport flights typically cost between ₹ 12,571 and ₹ 19,960 in November.
The cheapest return price found within the last 5 days was ₹ 9,980 on British Airways (14 Nov–15 Nov).

Related info for your journey

What airport do you fly from for flights from Dublin to London Heathrow?
For a flight from Dublin to London Heathrow, you will be flying from Dublin. Dublin (DUB) is just 9.2 km from the centre of the city. Dublin is the only Dublin airport and it handles 62 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Dublin on a regular basis.
How long is the flight from Dublin to London Heathrow Airport?
For as low as ₹ 10,172, British Airways can have you in London Heathrow Airport from Dublin in 1h 30m. The distance from Dublin to London Heathrow Airport is about 449 km. All flights are typically direct.
What are the most reliable airlines from Dublin to London Heathrow Airport?
The top 3 most reliable airlines when flying from Dublin to London Heathrow Airport are Air Canada (84%), Aer Lingus (77%) and British Airways (76%).
Can I find deals for flights from Dublin to Heathrow that include hotel bookings?
Yes. In addition to deals on Dublin to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Dublin to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Heathrow.
Can I find deals for business class flights from Dublin to Heathrow?
Yes. Cheapflights offers flight deals from Dublin to Heathrow 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 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 ₹ 13,051). Flying from Dublin to London Heathrow Airport in July is currently the most expensive (average of ₹ 18,041). 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.

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Cheapflights makes it easy to find Dublin to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Heathrow?

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 Dublin to Heathrow.

Can Cheapflights find flights from Dublin to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dublin to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dublin to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Dublin today and book when prices fit your budget.

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Cheap flights from Dublin to London Heathrow Airport from ₹ 4,126

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dublin to Heathrow

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 5 October 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 5 October 2026.

Best flights from Dublin to HeathrowDiscover carefully curated flight deals from Dublin to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Discover carefully curated flight deals from Dublin to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Direct flights from Dublin to HeathrowExplore direct flight options from Dublin to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Explore direct flight options from Dublin to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Last-minute flights from Dublin to HeathrowDiscover last-minute flight deals from Dublin to Heathrow. Data last updated 5 October 2026 and is based on user searches.

Discover last-minute flight deals from Dublin to Heathrow. Data last updated 5 October 2026 and is based on user searches.

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 5 October 2026.

Search for one-way flight options from Dublin to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

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Use the filters below to find and compare flights from Dublin to London Heathrow Airport that are best for you.

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.

Cheapflights Insights

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?

What is the cheapest time of day to fly from DUB to LHR?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 84% on flights from Dublin to London Heathrow Airport by exploring options for tickets in the evening.

How much does it cost for a return flight from Dublin to London Heathrow Airport?

Airfare is below average for this route at the moment.

Dublin to London Heathrow Airport flights typically cost between ₹ 12,571 and ₹ 19,960 in November.The cheapest return price found within the last 5 days was ₹ 9,980 on British Airways (14 Nov–15 Nov).

Weekly flight availability from Dublin to London Heathrow Airport

The most flights from DUB to LHR are scheduled on a Friday (72 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (56 on average).

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 past year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

Related info for your journey

What airport do you fly from for flights from Dublin to London Heathrow?

How long is the flight from Dublin to London Heathrow Airport?

What are the most reliable airlines from Dublin to London Heathrow Airport?

Can I find deals for flights from Dublin to Heathrow that include hotel bookings?

How can I find direct flights from Dublin to Heathrow?

Can I find deals for business class flights from Dublin to Heathrow?

What is the cheapest month to book a flight from Dublin to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Can Cheapflights notify me if prices for flights from Dublin to Heathrow become cheaper?

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Cheapest flights from Dublin to Heathrow
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 5 October 2026.

Best flights from Dublin to Heathrow
Discover carefully curated flight deals from Dublin to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Direct flights from Dublin to Heathrow
Explore direct flight options from Dublin to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.

Last-minute flights from Dublin to Heathrow
Discover last-minute flight deals from Dublin to Heathrow. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Dublin to Heathrow
Search for one-way flight options from Dublin to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Dublin to London Heathrow Airport flights typically cost between ₹ 12,571 and ₹ 19,960 in November.
The cheapest return price found within the last 5 days was ₹ 9,980 on British Airways (14 Nov–15 Nov).