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.

How often are flights from Dublin to London delayed?

Historically, on average around 17% 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 97 minutes.

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

The number of flights available between Dublin and London Heathrow Airport is 377 per week as of December 2025. The most frequent departure day is Sun, with 19% of weekly flights leaving 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 16% of their flights experiencing any sort of delay.

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

The number of flights available between Dublin and London Heathrow Airport is 53 per day as of December 2025. The most frequent departure time is 08:00, with 44% of daily flights leaving at midday.

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 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.

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 were last updated today.

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

There are 2 operators available for flights from Dublin Airport to London Heathrow Airport as of December 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to London Heathrow Airport.

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

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€32 Cheap Flights from Dublin to London Heathrow Airport in 2025/26

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08:50 - 10:25

DUB

LHR

1h 35mdirect

15:30 - 17:00

LHR

DUB

1h 30mdirect

€72British Airways

Wed, 11 Feb - Wed, 18 Feb

15:10 - 16:35

DUB

LHR

1h 25mdirect

15:30 - 17:00

LHR

DUB

1h 30mdirect

€76British Airways

Wed, 11 Feb - Wed, 18 Feb

10:20 - 11:55

DUB

LHR

1h 35mdirect

15:30 - 17:00

LHR

DUB

1h 30mdirect

€76British Airways

Wed, 11 Feb - Wed, 18 Feb

20:10 - 21:30

DUB

LHR

1h 20mdirect

06:20 - 07:45

LHR

DUB

1h 25mdirect

€77British Airways

Sat, 25 Apr - Sun, 26 Apr

20:10 - 21:30

DUB

LHR

1h 20mdirect

06:20 - 07:45

LHR

DUB

1h 25mdirect

€78British Airways

Sat, 25 Apr - Sun, 26 Apr

17:55 - 19:15

DUB

LHR

1h 20mdirect

15:30 - 17:00

LHR

DUB

1h 30mdirect

€80British Airways

Sat, 24 Jan - Sat, 31 Jan

10:30 - 12:05

DUB

LHR

1h 35mdirect

13:35 - 15:05

LHR

DUB

1h 30mdirect

€81British Airways

Thu, 5 Feb - Mon, 9 Feb

17:55 - 19:15

DUB

LHR

1h 20mdirect

13:35 - 15:05

LHR

DUB

1h 30mdirect

€82British Airways

Sat, 10 Jan - Sat, 17 Jan

17:55 - 19:15

DUB

LHR

1h 20mdirect

13:25 - 15:00

LHR

DUB

1h 35mdirect

€83British Airways

Sat, 17 Jan - Sun, 18 Jan

16:00 - 17:25

DUB

LHR

1h 25mdirect

15:35 - 17:05

LHR

DUB

1h 30mdirect

€84British Airways

Mon, 23 Feb - Tue, 3 Mar

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 Feb

DUB08:50Dublin

1h 35m

LHR10:25London Heathrow

18 Feb

LHR15:30London Heathrow

1h 30m

DUB17:00Dublin

€72

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British Airways

11 Feb

DUB15:10Dublin

1h 25m

LHR16:35London Heathrow

18 Feb

LHR15:30London Heathrow

1h 30m

DUB17:00Dublin

€76

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British Airways

11 Feb

DUB10:20Dublin

1h 35m

LHR11:55London Heathrow

18 Feb

LHR15:30London Heathrow

1h 30m

DUB17:00Dublin

€76

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Aer Lingus flights from Dublin to London Heathrow Airport

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

Aer Lingus

12 Jan

DUB19:45Dublin

1h 20m

LHR21:05London Heathrow

15 Jan

LHR09:50London Heathrow

1h 25m

DUB11:15Dublin

€107

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Aer Lingus

12 Jan

DUB18:30Dublin

1h 20m

LHR19:50London Heathrow

19 Jan

LHR08:50London Heathrow

1h 25m

DUB10:15Dublin

€111

Find similar

Aer Lingus

12 Jan

DUB18:30Dublin

1h 20m

LHR19:50London Heathrow

14 Jan

LHR20:45London Heathrow

1h 20m

DUB22:05Dublin

€120

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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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Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 11/2

08:50-10:25

Nonstop1h 35m

London Heathrow

Wed 18/2

15:30-17:00

Nonstop1h 30m

€72

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 11/2

15:10-16:35

Nonstop1h 25m

London Heathrow

Wed 18/2

15:30-17:00

Nonstop1h 30m

€76

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 11/2

10:20-11:55

Nonstop1h 35m

London Heathrow

Wed 18/2

15:30-17:00

Nonstop1h 30m

€76

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 25/4

20:10-21:30

Nonstop1h 20m

London Heathrow

Sun 26/4

06:20-07:45

Nonstop1h 25m

€77

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 25/4

20:10-21:30

Nonstop1h 20m

London Heathrow

Sun 26/4

06:20-07:45

Nonstop1h 25m

€78

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 24/1

17:55-19:15

Nonstop1h 20m

London Heathrow

Sat 31/1

15:30-17:00

Nonstop1h 30m

€80

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 5/2

10:30-12:05

Nonstop1h 35m

London Heathrow

Mon 9/2

13:35-15:05

Nonstop1h 30m

€81

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 10/1

17:55-19:15

Nonstop1h 20m

London Heathrow

Sat 17/1

13:35-15:05

Nonstop1h 30m

€82

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

17:55-19:15

Nonstop1h 20m

London Heathrow

Sun 18/1

13:25-15:00

Nonstop1h 35m

€83

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 23/2

16:00-17:25

Nonstop1h 25m

London Heathrow

Tue 3/3

15:35-17:05

Nonstop1h 30m

€84

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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?

The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Dublin averaging around €125.

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

The cheapest day to depart on your flight to London Heathrow Airport is on a Friday when prices can be found for as low as €441. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €678.

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 €226. 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 €757 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 €140 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 €104 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 December 2025, prices for Dublin to London Heathrow Airport flights are approximately 136% 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	€81
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 €81. The best return flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is €225.

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?
The straight-line distance from Dublin to London Heathrow is 445.0 km. By plane, this route typically takes 1h 20m.
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 were last updated today.
How many operators does momondo search for flights from Dublin Airport to London Heathrow Airport?
There are 2 operators available for flights from Dublin Airport to London Heathrow Airport as of December 2025.
How old do you have to be to fly from Dublin Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
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 20.76% of all bookings. The subsequent popular models are Airbus A321neo at 17.32%, Boeing 737-800 Passenger/BBJ2 (winglets) at 8.02%, and Airbus A320-100/200 at 7.92%.
What is the most popular airline from Dublin to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dublin to London Heathrow Airport is British Airways (51% of total bookings). The next most popular airline is Aer Lingus (49%).

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 €83	Free Cancellation	Rating 6.7 7,622 reviews		Search British Airways flights
Aer Lingus	PriceFrom €103	Free Cancellation	Rating 7.2 1,415 reviews		Search Aer Lingus flights

Aer Lingus Flights From Dublin to London Heathrow Airport
Aer Lingus flight deals from Dublin to London Heathrow Airport start from €103 round-trip. Over the 99 Aer Lingus flights for this route in a normal week, average airfare is usually €170 round-trip - but some users have found much cheaper deals with momondo.
British Airways Flights From Dublin to London Heathrow Airport
Across 7,622 British Airways reviews on momondo, the average score is 6.7/10. British Airways flies from Dublin to London Heathrow Airport about 92 times each week, with ticket deals ranging from €83 to €124. Price data is based on momondo searches in the last 72 hours.

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Chichester

Gatwick

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Milton Keynes

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St. Albans

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Dorking

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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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

If you are not ready to book a flight from Dublin to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they 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.

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Cheap flights from Dublin to London from €32

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 11/2. 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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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 cheapest month to fly to London Heathrow Airport?

The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Dublin averaging around €125.

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 December 2025, prices for Dublin to London Heathrow Airport flights are approximately 136% 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 17% 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 97 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 16% of their flights experiencing any sort of delay.

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

The number of flights available between Dublin and London Heathrow Airport is 53 per day as of December 2025. The most frequent departure time is 08:00, with 44% of daily flights leaving at midday.

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

The number of flights available between Dublin and London Heathrow Airport is 377 per week as of December 2025. The most frequent departure day is Sun, with 19% of weekly flights leaving 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