How often are flights from Dublin to London delayed?

Historically, on average around 19% 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 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 week?

The number of flights available between Dublin and London Heathrow Airport is 241 per week as of October 2025. The most frequent departure day is Thu, with 34% of weekly flights leaving on this day.

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.

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 day?

The number of flights available between Dublin and London Heathrow Airport is 34 per day as of October 2025. The most frequent departure time is 12:00, with 48% of daily flights leaving at midday.

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.

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 October 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.

€37 Cheap Flights from Dublin to London Heathrow Airport in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Dublin to London

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

17:55 - 19:15DUB-LHR

1h 20mdirect

13:35 - 15:05LHR-DUB

1h 30mdirect

€82British Airways

Find Deal

Sat, 8 Nov - Sat, 15 Nov

13:25 - 14:50DUB-LHR

1h 25mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

€84British Airways

Find Deal

Tue, 9 Dec - Tue, 16 Dec

17:55 - 19:15DUB-LHR

1h 20mdirect

18:25 - 19:50LHR-DUB

1h 25mdirect

€85British Airways

Find Deal

Sat, 8 Nov - Sat, 29 Nov

17:55 - 19:15DUB-LHR

1h 20mdirect

11:15 - 12:45LHR-DUB

1h 30mdirect

€86British Airways

Find Deal

Sat, 8 Nov - Sun, 9 Nov

08:50 - 10:25DUB-LHR

1h 35mdirect

08:25 - 09:50LHR-DUB

1h 25mdirect

€87British Airways

Find Deal

Thu, 13 Nov - Sun, 16 Nov

15:10 - 16:35DUB-LHR

1h 25mdirect

12:45 - 14:15LHR-DUB

1h 30mdirect

€88British Airways

Find Deal

Mon, 1 Dec - Sun, 14 Dec

15:10 - 16:35DUB-LHR

1h 25mdirect

06:30 - 07:55LHR-DUB

1h 25mdirect

€89British Airways

Find Deal

Sat, 6 Dec - Sat, 13 Dec

15:10 - 16:35DUB-LHR

1h 25mdirect

08:25 - 09:50LHR-DUB

1h 25mdirect

€90British Airways

Find Deal

Sat, 17 Jan - Mon, 19 Jan

15:10 - 16:35DUB-LHR

1h 25mdirect

08:25 - 09:50LHR-DUB

1h 25mdirect

€90British Airways

Find Deal

Sat, 6 Dec - Sun, 14 Dec

18:30 - 19:50DUB-LHR

1h 20mdirect

20:45 - 22:05LHR-DUB

1h 20mdirect

€115Aer Lingus

Find Deal

Sat, 15 Nov - Mon, 17 Nov

British Airways flights from Dublin to London Heathrow Airport

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

British Airways

8 Nov

DUB17:55Dublin

1h 20m

LHR19:15London Heathrow

15 Nov

LHR13:35London Heathrow

1h 30m

DUB15:05Dublin

€82

Find similar

British Airways

9 Dec

DUB13:25Dublin

1h 25m

LHR14:50London Heathrow

16 Dec

LHR06:30London Heathrow

1h 25m

DUB07:55Dublin

€84

Find similar

British Airways

8 Nov

DUB17:55Dublin

1h 20m

LHR19:15London Heathrow

29 Nov

LHR18:25London Heathrow

1h 25m

DUB19:50Dublin

€85

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

15 Nov

DUB18:30Dublin

1h 20m

LHR19:50London Heathrow

17 Nov

LHR20:45London Heathrow

1h 20m

DUB22:05Dublin

€115

Find similar

Aer Lingus

1 Nov

DUB19:45Dublin

1h 20m

LHR21:05London Heathrow

2 Nov

LHR07:50London Heathrow

1h 20m

DUB09:10Dublin

€159

Find similar

Aer Lingus

30 Oct

DUB15:30Dublin

1h 20m

LHR16:50London Heathrow

2 Nov

LHR07:50London Heathrow

1h 20m

DUB09:10Dublin

€174

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

Sat 8/11

17:55-19:15

Nonstop1h 20m

London Heathrow

Sat 15/11

13:35-15:05

Nonstop1h 30m

€82

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 9/12

13:25-14:50

Nonstop1h 25m

London Heathrow

Tue 16/12

06:30-07:55

Nonstop1h 25m

€84

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 8/11

17:55-19:15

Nonstop1h 20m

London Heathrow

Sat 29/11

18:25-19:50

Nonstop1h 25m

€85

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 8/11

17:55-19:15

Nonstop1h 20m

London Heathrow

Sun 9/11

11:15-12:45

Nonstop1h 30m

€86

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 13/11

08:50-10:25

Nonstop1h 35m

London Heathrow

Sun 16/11

08:25-09:50

Nonstop1h 25m

€87

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 1/12

15:10-16:35

Nonstop1h 25m

London Heathrow

Sun 14/12

12:45-14:15

Nonstop1h 30m

€88

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 6/12

15:10-16:35

Nonstop1h 25m

London Heathrow

Sat 13/12

06:30-07:55

Nonstop1h 25m

€89

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

15:10-16:35

Nonstop1h 25m

London Heathrow

Mon 19/1

08:25-09:50

Nonstop1h 25m

€90

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 6/12

15:10-16:35

Nonstop1h 25m

London Heathrow

Sun 14/12

08:25-09:50

Nonstop1h 25m

€90

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 15/11

18:30-19:50

Nonstop1h 20m

London Heathrow

Mon 17/11

20:45-22:05

Nonstop1h 20m

€115

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 cheapest month to fly to London Heathrow Airport?

The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Dublin averaging around €126.

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 €491. 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 €680.

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 €192. 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 €779 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 €143 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 €102 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	€102
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 €102. The best return flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is €194.

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 October 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 22.55% of all bookings. The subsequent popular models are Airbus A321neo at 17.03%, Airbus A320-100/200 at 9.66%, and Airbus A330-300 at 7.26%.
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 Aer Lingus (55% of total bookings). The next most popular airline is British Airways (45%).

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 7,467 reviews		Search British Airways flights
Aer Lingus	PriceFrom €110	Free Cancellation	Rating 7.2 1,351 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 €110 round-trip. Over the 52 Aer Lingus flights for this route in a normal week, average airfare is usually €178 round-trip - but some users have found much cheaper deals with momondo.
British Airways Flights From Dublin to London Heathrow Airport
Across 7,467 British Airways reviews on momondo, the average score is 6.7/10. British Airways flies from Dublin to London Heathrow Airport about 52 times each week, with ticket deals ranging from €83 to €125. Price data is based on momondo searches in the last 72 hours.

Croydon

Southend-on-Sea

Watford

Gatwick

Surbiton

Northampton

Chichester

Bishop's Stortford

Chelmsford

Milton Keynes

Aylesbury

St. Albans

Ilford

Dorking

Abingdon

Dartford

Maidstone

Eastbourne

Sidcup

Ipswich

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 22/11

Sat 29/11

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular Cities in the United Kingdom

Flights to London Stansted Airportfrom €33

Flights to London Luton Airportfrom €33

Flights to London Gatwick Airportfrom €33

Flights to London City Airportfrom €139

Flights to Glasgow Intl Airportfrom €33

Flights to London Southend Airportfrom €161

Flights to Belfast Intl Airportfrom €115

Flights to Belfast City Airportfrom €128

Cheap flights from Dublin to London from €37

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 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Dublin to London

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

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

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?

The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Dublin averaging around €126.

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 19% 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, 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?

The number of flights available between Dublin and London Heathrow Airport is 34 per day as of October 2025. The most frequent departure time is 12:00, with 48% 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 241 per week as of October 2025. The most frequent departure day is Thu, with 34% 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