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

As of February 2026, there are 55 flights per day flying from Dublin to London Heathrow Airport. The most common time of day flights depart is 08:00, with 42% of flights taking off at midday.

How often are flights from Dublin to London delayed?

Historically, on average around 16% 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 95 minutes.

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

British Airways is the most popular carrier operating from Dublin to London Heathrow

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

As of February 2026, there are 390 flights per week flying from Dublin to London Heathrow Airport. The most common day of the week flights depart is Sun, with 18% of flights taking off on this day.

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

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

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 February 2026.

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.

£21 Cheap Flights from Dublin to London Heathrow Airport in 2026

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08:50 - 10:25

DUB

LHR

1h 35mdirect

18:15 - 19:40

LHR

DUB

1h 25mdirect

£66British Airways

Tue, 10 Mar - Tue, 24 Mar

08:50 - 10:25

DUB

LHR

1h 35mdirect

12:40 - 14:10

LHR

DUB

1h 30mdirect

£69British Airways

Fri, 27 Feb - Fri, 27 Feb

20:15 - 21:30

DUB

LHR

1h 15mdirect

06:20 - 07:45

LHR

DUB

1h 25mdirect

£69British Airways

Sat, 25 Apr - Sun, 26 Apr

17:55 - 19:15

DUB

LHR

1h 20mdirect

19:35 - 20:50

LHR

DUB

1h 15mdirect

£72Multiple Airlines

Sat, 28 Feb - Sat, 7 Mar

17:55 - 19:15

DUB

LHR

1h 20mdirect

06:30 - 07:55

LHR

DUB

1h 25mdirect

£74British Airways

Sat, 21 Mar - Wed, 25 Mar

17:55 - 19:15

DUB

LHR

1h 20mdirect

15:20 - 16:50

LHR

DUB

1h 30mdirect

£74British Airways

Sat, 28 Feb - Mon, 2 Mar

17:55 - 19:15

DUB

LHR

1h 20mdirect

06:30 - 07:55

LHR

DUB

1h 25mdirect

£75British Airways

Sat, 28 Feb - Sat, 7 Mar

20:10 - 21:25

DUB

LHR

1h 15mdirect

17:55 - 19:25

LHR

DUB

1h 30mdirect

£76British Airways

Fri, 24 Apr - Sat, 25 Apr

17:55 - 19:15

DUB

LHR

1h 20mdirect

15:20 - 16:50

LHR

DUB

1h 30mdirect

£77British Airways

Sat, 28 Feb - Mon, 2 Mar

20:15 - 21:30

DUB

LHR

1h 15mdirect

06:20 - 07:45

LHR

DUB

1h 25mdirect

£77British Airways

Sat, 9 May - Mon, 11 May

British Airways flights from Dublin to London Heathrow Airport

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

British Airways

10 Mar

DUB08:50Dublin

1h 35m

LHR10:25London Heathrow

24 Mar

LHR18:15London Heathrow

1h 25m

DUB19:40Dublin

£66

British Airways

27 Feb

DUB08:50Dublin

1h 35m

LHR10:25London Heathrow

27 Feb

LHR12:40London Heathrow

1h 30m

DUB14:10Dublin

£69

British Airways

25 Apr

DUB20:15Dublin

1h 15m

LHR21:30London Heathrow

26 Apr

LHR06:20London Heathrow

1h 25m

DUB07:45Dublin

£69

Aer Lingus flights from Dublin to London Heathrow Airport

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

Aer Lingus

28 Feb

DUB15:30Dublin

1h 20m

LHR16:50London Heathrow

1 Mar

LHR07:50London Heathrow

1h 20m

DUB09:10Dublin

£97

Aer Lingus

17 Feb

DUB06:40Dublin

1h 25m

LHR08:05London Heathrow

24 Feb

LHR20:45London Heathrow

1h 20m

DUB22:05Dublin

£107

Aer Lingus

14 Feb

DUB19:45Dublin

1h 20m

LHR21:05London Heathrow

18 Feb

LHR07:50London Heathrow

1h 20m

DUB09:10Dublin

£112

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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Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 10/3

08:50-10:25

Nonstop1h 35m

London Heathrow

Tue 24/3

18:15-19:40

Nonstop1h 25m

£66

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 27/2

08:50-10:25

Nonstop1h 35m

London Heathrow

Fri 27/2

12:40-14:10

Nonstop1h 30m

£69

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 25/4

20:15-21:30

Nonstop1h 15m

London Heathrow

Sun 26/4

06:20-07:45

Nonstop1h 25m

£69

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 28/2

17:55-19:15

Nonstop1h 20m

London Heathrow

Sat 7/3

19:35-20:50

Nonstop1h 15m

£72

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 21/3

17:55-19:15

Nonstop1h 20m

London Heathrow

Wed 25/3

06:30-07:55

Nonstop1h 25m

£74

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 28/2

17:55-19:15

Nonstop1h 20m

London Heathrow

Mon 2/3

15:20-16:50

Nonstop1h 30m

£74

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 28/2

17:55-19:15

Nonstop1h 20m

London Heathrow

Sat 7/3

06:30-07:55

Nonstop1h 25m

£75

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 24/4

20:10-21:25

Nonstop1h 15m

London Heathrow

Sat 25/4

17:55-19:25

Nonstop1h 30m

£76

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 28/2

17:55-19:15

Nonstop1h 20m

London Heathrow

Mon 2/3

15:20-16:50

Nonstop1h 30m

£77

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 9/5

20:15-21:30

Nonstop1h 15m

London Heathrow

Mon 11/5

06:20-07:45

Nonstop1h 25m

£77

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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 typical price of a round-trip flight between Dublin and London Heathrow Airport?

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 £100. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Dublin averaging around £104.

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 £424. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £574.

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 £355. 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 £721 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 £120 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 February 2026, prices for Dublin to London Heathrow Airport flights are approximately 89% 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	£53
Fastest flight time	1h 15m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Dublin in the past 72 hours is £53. The best return flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is £363.

The fastest flight from Dublin to London Heathrow Airport takes 1h 15m

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 15m 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 February 2026.
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 A321neo, representing 17.73% of all bookings. The subsequent popular models are Airbus A320neo at 17.30%, Boeing 737-800 Passenger/BBJ2 (winglets) at 8.26%, and Boeing 737 MAX 8 at 7.33%.
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 50% of the total bookings. Other popular airlines include Aer Lingus with 50%.

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 £70	Free Cancellation	Rating 6.7 7,707 reviews		Search British Airways flights
Aer Lingus	PriceFrom £95	Free Cancellation	Rating 7.2 1,444 reviews		Search Aer Lingus flights

Aer Lingus Flights From Dublin to London Heathrow Airport
Aer Lingus operates around 98 flights from Dublin to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been £137, but momondo users have found Aer Lingus deals from Dublin to London Heathrow Airport from as low as £95 round-trip. Aer Lingus has been scored 7.2/10 in 1,444 reviews.
British Airways Flights From Dublin to London Heathrow Airport
£70 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 7,707 user reviews) flies into London Heathrow Airport from Dublin 96 times in an average week so prices can vary.

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Canterbury

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Guildford

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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 £21

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 8/5. 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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Find the cheapest flights from Dublin to London

Cheap return flights

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British Airways flights from Dublin to London Heathrow Airport

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

Aer Lingus flights from Dublin to London Heathrow Airport

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

momondo Fare Finder

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

What is the typical price of a round-trip flight between Dublin and London Heathrow Airport?

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 February 2026, prices for Dublin to London Heathrow Airport flights are approximately 89% 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 is the most popular carrier operating from Dublin to London Heathrow

How often are flights from Dublin to London delayed?

Historically, on average around 16% 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 95 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. Sunday 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, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

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

As of February 2026, there are 55 flights per day flying from Dublin to London Heathrow Airport. The most common time of day flights depart is 08:00, with 42% of flights taking off at midday.

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

As of February 2026, there are 390 flights per week flying from Dublin to London Heathrow Airport. The most common day of the week flights depart is Sun, with 18% 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