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 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.

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 week?

338 flights are operational weekly from Dublin to London Heathrow Airport as of December 2025. The most popular departure day for this route is Sun, with 21% of flights per week taking off on this day.

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

As of December 2025, 48 flights take off from Dublin and land in London Heathrow Airport each day. The most common flight departure time for this route is 08:00, with 44% of daily flights taking off at midday.

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 are refreshed on a daily basis.

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

There is 1 operator 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$62 Cheap Flights from Dublin to London Heathrow Airport in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $194 to $302. The lowest price recently found on this route was $130.

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20:40 - 22:00

DUB

LHR

1h 20mdirect

15:30 - 17:00

LHR

DUB

1h 30mdirect

$130British Airways

Thu, 5 Feb - Sat, 14 Feb

20:40 - 22:00

DUB

LHR

1h 20mdirect

08:25 - 09:50

LHR

DUB

1h 25mdirect

$141British Airways

Thu, 5 Feb - Sun, 8 Feb

17:55 - 19:15

DUB

LHR

1h 20mdirect

06:30 - 07:55

LHR

DUB

1h 25mdirect

$144British Airways

Sat, 17 Jan - Mon, 2 Feb

16:05 - 17:30

DUB

LHR

1h 25mdirect

11:15 - 12:45

LHR

DUB

1h 30mdirect

$145British Airways

Sat, 31 Jan - Sun, 1 Feb

17:55 - 19:15

DUB

LHR

1h 20mdirect

06:30 - 07:55

LHR

DUB

1h 25mdirect

$150British Airways

Sat, 17 Jan - Tue, 3 Feb

20:40 - 22:00

DUB

LHR

1h 20mdirect

12:50 - 14:20

LHR

DUB

1h 30mdirect

$151British Airways

Tue, 3 Feb - Wed, 4 Feb

20:40 - 22:00

DUB

LHR

1h 20mdirect

13:35 - 15:05

LHR

DUB

1h 30mdirect

$153British Airways

Mon, 2 Feb - Mon, 9 Feb

20:40 - 22:00

DUB

LHR

1h 20mdirect

13:35 - 15:05

LHR

DUB

1h 30mdirect

$154British Airways

Mon, 2 Feb - Mon, 9 Feb

20:40 - 22:00

DUB

LHR

1h 20mdirect

08:25 - 09:50

LHR

DUB

1h 25mdirect

$156British Airways

Sat, 21 Mar - Sun, 22 Mar

10:20 - 11:55

DUB

LHR

1h 35mdirect

06:30 - 07:55

LHR

DUB

1h 25mdirect

$157British Airways

Wed, 21 Jan - Fri, 23 Jan

British Airways flights from Dublin to London Heathrow Airport

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

British Airways

5 Feb

DUB20:40Dublin

1h 20m

LHR22:00London Heathrow

14 Feb

LHR15:30London Heathrow

1h 30m

DUB17:00Dublin

$130

Find similar

British Airways

5 Feb

DUB20:40Dublin

1h 20m

LHR22:00London Heathrow

8 Feb

LHR08:25London Heathrow

1h 25m

DUB09:50Dublin

$141

Find similar

British Airways

17 Jan

DUB17:55Dublin

1h 20m

LHR19:15London Heathrow

2 Feb

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

$144

Find similar

Scandinavian Airlines flights from Dublin to London Heathrow Airport

Our best Scandinavian Airlines deals on Dublin to London Heathrow Airport flight tickets

Scandinavian Airlines

22 Dec

DUB19:05Dublin

14h 15m

1 stop

LHR09:20London Heathrow

4 Jan

LHR18:05London Heathrow

16h 40m

1 stop

DUB10:45Dublin

$334

Find similar

Scandinavian Airlines

22 Dec

DUB12:30Dublin

6h 20m

1 stop

LHR18:50London Heathrow

29 Dec

LHR06:40London Heathrow

11h 40m

1 stop

DUB18:20Dublin

$420

Find similar

Scandinavian Airlines

29 Dec

DUB12:30Dublin

5h 10m

1 stop

LHR17:40London Heathrow

30 Dec

LHR06:40London Heathrow

11h 40m

1 stop

DUB18:20Dublin

$444

Find similar

momondo 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

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 5/2

20:40-22:00

Nonstop1h 20m

London Heathrow

Sat 14/2

15:30-17:00

Nonstop1h 30m

$130

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 5/2

20:40-22:00

Nonstop1h 20m

London Heathrow

Sun 8/2

08:25-09:50

Nonstop1h 25m

$141

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

17:55-19:15

Nonstop1h 20m

London Heathrow

Mon 2/2

06:30-07:55

Nonstop1h 25m

$144

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 31/1

16:05-17:30

Nonstop1h 25m

London Heathrow

Sun 1/2

11:15-12:45

Nonstop1h 30m

$145

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

17:55-19:15

Nonstop1h 20m

London Heathrow

Tue 3/2

06:30-07:55

Nonstop1h 25m

$150

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 3/2

20:40-22:00

Nonstop1h 20m

London Heathrow

Wed 4/2

12:50-14:20

Nonstop1h 30m

$151

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 2/2

20:40-22:00

Nonstop1h 20m

London Heathrow

Mon 9/2

13:35-15:05

Nonstop1h 30m

$153

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 2/2

20:40-22:00

Nonstop1h 20m

London Heathrow

Mon 9/2

13:35-15:05

Nonstop1h 30m

$154

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 21/3

20:40-22:00

Nonstop1h 20m

London Heathrow

Sun 22/3

08:25-09:50

Nonstop1h 25m

$156

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 21/1

10:20-11:55

Nonstop1h 35m

London Heathrow

Fri 23/1

06:30-07:55

Nonstop1h 25m

$157

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Dublin, with most prices found around $197. If you aren’t able to travel during the month of January, then book flights to London Heathrow Airport from Dublin during October instead. Flights to London Heathrow Airport in October, while not as cheap as those in January, still average around $222.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $175. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to London Heathrow Airport for around $2,188.

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

In the evening is the cheapest time of day to fly from Dublin to London Heathrow Airport when you can find flight prices for as low as $185. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the afternoon when prices are around $1,897.

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 $249 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 $186 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 138% 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	$106
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 $106. The best return flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is $361.

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?
The distance between Dublin and London Heathrow is about 445.0 km. In terms of flight time, this usually takes a little over 1h 15m.
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 are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to London Heathrow Airport?
There is 1 operator 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dublin to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Dublin to London Heathrow Airport is Airbus A320neo (20.76% of total bookings). The next most popular plane models are Airbus A321neo (17.32%), Boeing 737-800 Passenger/BBJ2 (winglets) (8.02%), and Airbus A320-100/200 (7.92%).
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 100% of the total bookings.

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 $166	Free cancellation	Rating 6.7 7,600 reviews		Search British Airways flights

British Airways Flights From Dublin to London Heathrow Airport
British Airways flies from Dublin to London Heathrow Airport around 85 times per week, with 7,600 momondo users rating the airline 6.7/10. The cheapest British Airways deal from Dublin to London Heathrow Airport in the last 72 hours was $166 (round-trip), much lower than the average airfare cost of $233 for British Airways flights on this route.

Gatwick

Hounslow

Wembley

Milton Keynes

Brentford

Deal

Dover

Ipswich

Abingdon

Eastbourne

Slough

Chichester

Canterbury

Kingston upon Thames

Brentwood

Guildford

Salisbury

Sutton

Maidstone

Watford

Why use momondo?

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

Finding the right flight to London from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. All flights to London from Dublin on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Dublin.

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

Price alerts on flights to London from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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 $73

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 28/2. 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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Big names, great deals

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Find the cheapest flights from Dublin to London

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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

Scandinavian Airlines flights from Dublin to London Heathrow Airport

Our best Scandinavian Airlines 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 December 2025, prices for Dublin to London Heathrow Airport flights are approximately 138% 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?

As of December 2025, 48 flights take off from Dublin and land in London Heathrow Airport each day. The most common flight departure time for this route is 08:00, with 44% of daily flights taking off at midday.

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

338 flights are operational weekly from Dublin to London Heathrow Airport as of December 2025. The most popular departure day for this route is Sun, with 21% of flights per week 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

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