What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Dublin to London flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from Dublin to London delayed?

Historically, on average around 18% of flights between Dublin and London have experienced a delay on any given week. The average delay length over the past 12 months has been 98 minutes.

How many flights depart from Dublin to London Heathrow Airport on average per week?

As of October 2025, there are 368 flights per week flying from Dublin to London Heathrow Airport. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

What is the cheapest airline that flies from Dublin to London Heathrow?

British Airways, Aer Lingus, and Scandinavian Airlines are the most popular carriers operating from Dublin to London Heathrow

How many flights depart from Dublin to London Heathrow Airport on average per day?

As of October 2025, there are 52 flights per day flying from Dublin to London Heathrow Airport. The most common time of day flights depart is 08:00, with 45% of flights taking off at midday.

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

According to our data, Air France have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

When did momondo last update prices for flights from Dublin Airport to London Heathrow Airport?

Prices for flights from Dublin Airport to London Heathrow Airport refresh daily.

How many operators does momondo search for flights from Dublin Airport to London Heathrow Airport?

The number of operators available for flights from Dublin Airport to London Heathrow Airport is 2 as of October 2025.

How old do you have to be to fly from Dublin Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£33 Cheap Flights from Dublin to London Heathrow Airport in 2025/26

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20:40 - 22:00DUB-LHR

1h 20mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

£71British Airways

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Thu, 11 Dec - Mon, 15 Dec

10:45 - 12:20DUB-LHR

1h 35mdirect

13:35 - 15:05LHR-DUB

1h 30mdirect

£71British Airways

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Mon, 19 Jan - Mon, 26 Jan

20:35 - 21:55DUB-LHR

1h 20mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

£72British Airways

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Fri, 12 Dec - Mon, 15 Dec

16:05 - 17:30DUB-LHR

1h 25mdirect

08:25 - 09:50LHR-DUB

1h 25mdirect

£74British Airways

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Sat, 13 Dec - Sun, 14 Dec

17:55 - 19:15DUB-LHR

1h 20mdirect

18:25 - 19:50LHR-DUB

1h 25mdirect

£74British Airways

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Sat, 15 Nov - Sat, 29 Nov

20:35 - 21:55DUB-LHR

1h 20mdirect

13:35 - 15:05LHR-DUB

1h 30mdirect

£75British Airways

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Fri, 16 Jan - Mon, 19 Jan

20:35 - 21:55DUB-LHR

1h 20mdirect

08:25 - 09:50LHR-DUB

1h 25mdirect

£76British Airways

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Fri, 30 Jan - Sun, 1 Feb

20:35 - 21:55DUB-LHR

1h 20mdirect

16:10 - 17:40LHR-DUB

1h 30mdirect

£77British Airways

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Fri, 16 Jan - Sun, 18 Jan

19:45 - 21:05DUB-LHR

1h 20mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

£102Multiple Airlines

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Fri, 19 Dec - Fri, 2 Jan

07:35 - 09:05DUB-LHR

1h 30mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

£108Multiple Airlines

Find Deal

Wed, 26 Nov - Wed, 3 Dec

British Airways flights from Dublin to London Heathrow Airport

Our best British Airways deals on Dublin to London Heathrow Airport flight tickets

British Airways

11 Dec

DUB20:40Dublin

1h 20m

LHR22:00London Heathrow

15 Dec

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

£71

Find similar

British Airways

19 Jan

DUB10:45Dublin

1h 35m

LHR12:20London Heathrow

26 Jan

LHR13:35London Heathrow

1h 30m

DUB15:05Dublin

£71

Find similar

British Airways

12 Dec

DUB20:35Dublin

1h 20m

LHR21:55London Heathrow

15 Dec

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

£72

Find similar

Aer Lingus flights from Dublin to London Heathrow Airport

Our best Aer Lingus deals on Dublin to London Heathrow Airport flight tickets

Aer Lingus

8 Nov

DUB16:30Dublin

1h 20m

LHR17:50London Heathrow

10 Nov

LHR20:45London Heathrow

1h 20m

DUB22:05Dublin

£132

Find similar

Aer Lingus

9 Nov

DUB06:40Dublin

1h 25m

LHR08:05London Heathrow

12 Nov

LHR07:50London Heathrow

1h 20m

DUB09:10Dublin

£139

Find similar

Aer Lingus

14 Nov

DUB06:40Dublin

1h 25m

LHR08:05London Heathrow

16 Nov

LHR07:50London Heathrow

1h 20m

DUB09:10Dublin

£140

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momondo Fare Finder

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

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DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 11/12

20:40-22:00

Nonstop1h 20m

London Heathrow

Mon 15/12

06:30-07:55

Nonstop1h 25m

£71

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 19/1

10:45-12:20

Nonstop1h 35m

London Heathrow

Mon 26/1

13:35-15:05

Nonstop1h 30m

£71

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 12/12

20:35-21:55

Nonstop1h 20m

London Heathrow

Mon 15/12

06:30-07:55

Nonstop1h 25m

£72

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 13/12

16:05-17:30

Nonstop1h 25m

London Heathrow

Sun 14/12

08:25-09:50

Nonstop1h 25m

£74

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 15/11

17:55-19:15

Nonstop1h 20m

London Heathrow

Sat 29/11

18:25-19:50

Nonstop1h 25m

£74

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 16/1

20:35-21:55

Nonstop1h 20m

London Heathrow

Mon 19/1

13:35-15:05

Nonstop1h 30m

£75

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 30/1

20:35-21:55

Nonstop1h 20m

London Heathrow

Sun 1/2

08:25-09:50

Nonstop1h 25m

£76

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 16/1

20:35-21:55

Nonstop1h 20m

London Heathrow

Sun 18/1

16:10-17:40

Nonstop1h 30m

£77

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 19/12

19:45-21:05

Nonstop1h 20m

London Heathrow

Fri 2/1

06:30-07:55

Nonstop1h 25m

£102

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 26/11

07:35-09:05

Nonstop1h 30m

London Heathrow

Wed 3/12

06:30-07:55

Nonstop1h 25m

£108

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How to get the cheapest flight ticket from Dublin to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to London Heathrow Airport?

In general, January is the cheapest month to fly from Dublin to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £108. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Dublin averaging around £111.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Dublin is on a Friday. momondo users have found tickets for Friday departures for as low as £438. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £570.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Dublin to London Heathrow Airport in the evening for as low as £357. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £731 on average. Flights to London Heathrow Airport from Dublin in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Dublin to London Heathrow flight route?

Fly from Dublin to London Heathrow for the best Dublin - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £126 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Dublin for as low as £90 on momondo.

What cabin class options are available on Dublin to London Heathrow flights?

There are 3 cabin classes available to choose from on Dublin to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Dublin to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Dublin to London Heathrow Airport flights are approximately 95% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Dublin to London Heathrow Airport (DUB to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to London Heathrow Airport

Best price found	£63
Fastest flight time	1h 20m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Dublin in the past 72 hours is £63. The best return flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is £286.

The fastest flight from Dublin to London Heathrow Airport takes 1h 20m

Direct flights go from Dublin to London Heathrow Airport every day.

Search flight deals

How far is Dublin to London Heathrow by plane?
London Heathrow is 276.5 mi away from Dublin. 1h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Dublin Airport to London Heathrow Airport?
Prices for flights from Dublin Airport to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Dublin Airport to London Heathrow Airport?
The number of operators available for flights from Dublin Airport to London Heathrow Airport is 2 as of October 2025.
How old do you have to be to fly from Dublin Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Dublin to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Dublin to London Heathrow Airport is Airbus A320neo, representing 22.44% of all bookings. The subsequent popular models are Airbus A321neo at 17.23%, Airbus A320-100/200 at 9.44%, and Airbus A330-300 at 7.35%.
What is the most popular airline from Dublin to London Heathrow Airport?
Based on momondo bookings for flights between Dublin and London Heathrow Airport, the leading airline is British Airways, making up 54% of the total bookings. Other popular airlines include Aer Lingus with 46%.

Best airlines flying from Dublin to London Heathrow Airport

Compare and see reviews for airlines that fly from Dublin to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £73	Free Cancellation	Rating 6.7 7,488 reviews		Search British Airways flights
Aer Lingus	PriceFrom £99	Free Cancellation	Rating 7.2 1,365 reviews		Search Aer Lingus flights

Aer Lingus Flights From Dublin to London Heathrow Airport
Aer Lingus operates around 93 flights from Dublin to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £145, but momondo users have found Aer Lingus deals from Dublin to London Heathrow Airport from as low as £99 round-trip. Aer Lingus has been scored 7.2/10 in 1,365 reviews.
British Airways Flights From Dublin to London Heathrow Airport
£73 is the best British Airways flight deal from Dublin to London Heathrow Airport found on momondo over the last 72 hours. The average British Airways ticket price found was closer to £111, however, with flight time and availability significantly affecting the price. British Airways (6.7/10 from 7,488 user reviews) flies into London Heathrow Airport from Dublin 89 times in an average week so prices can vary.

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Ipswich

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Why use momondo?

Why should I use momondo to find a flight deal from Dublin to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dublin to London. momondo saves you time and could save you money on your trip.

Can I find flights from Dublin to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Dublin with this policy.

How can momondo help me find flights from Dublin to London?

momondo provides multiple filters to help you find the best flight to London from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Dublin to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Dublin and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from Dublin to London from £33

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to London departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Dublin to London Heathrow Airport

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Our best Aer Lingus deals on Dublin to London Heathrow Airport flight tickets

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

See travel insights to London from

How to get the cheapest flight ticket from Dublin to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Dublin to London Heathrow flight route?

Fly from Dublin to London Heathrow for the best Dublin - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

What cabin class options are available on Dublin to London Heathrow flights?

There are 3 cabin classes available to choose from on Dublin to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Dublin to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Dublin to London Heathrow Airport flights are approximately 95% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Dublin to London Heathrow?

British Airways, Aer Lingus, and Scandinavian Airlines are the most popular carriers operating from Dublin to London Heathrow

How often are flights from Dublin to London delayed?

Historically, on average around 18% of flights between Dublin and London have experienced a delay on any given week. The average delay length over the past 12 months has been 98 minutes.

What is the most punctual flight time for Dublin to London flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Air France have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

How many flights depart from Dublin to London Heathrow Airport on average per day?

As of October 2025, there are 52 flights per day flying from Dublin to London Heathrow Airport. The most common time of day flights depart is 08:00, with 45% of flights taking off at midday.

How many flights depart from Dublin to London Heathrow Airport on average per week?

As of October 2025, there are 368 flights per week flying from Dublin to London Heathrow Airport. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.

When to book flights from Dublin to London Heathrow Airport

Cheap Dublin to London Heathrow Airport (DUB to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to London Heathrow Airport

Best price found

Fastest flight time

Direct flights

How far is Dublin to London Heathrow by plane?

When did momondo last update prices for flights from Dublin Airport to London Heathrow Airport?

How many operators does momondo search for flights from Dublin Airport to London Heathrow Airport?

How old do you have to be to fly from Dublin Airport to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Dublin to London Heathrow Airport?

What is the most popular airline from Dublin to London Heathrow Airport?

Best airlines flying from Dublin to London Heathrow Airport

Compare and see reviews for airlines that fly from Dublin to London Heathrow Airport with momondo

Aer Lingus Flights From Dublin to London Heathrow Airport

British Airways Flights From Dublin to London Heathrow Airport

Travelling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to London?

Can I find flights from Dublin to London with flexible booking policies on momondo?

How can momondo help me find flights from Dublin to London?

I’m not ready to book a flight from Dublin to London right now. Can momondo alert me if prices change?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo