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 cheapest airline that flies from Dublin to London Heathrow?

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

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

According to our data, Aer Lingus has had the least delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

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?

352 flights are operational weekly from Dublin to London Heathrow Airport as of December 2025. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

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 day?

50 flights are operational daily from Dublin to London Heathrow Airport as of December 2025. The most popular departure time for this route is 8:00a.m., with 43% of flights per day taking off at noon.

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 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 license 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.

C$ 58 Cheap Flights from Dublin to London Heathrow Airport in 2025/26

1 adult

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Enter your travel dates to find the best prices.

4:05 p.m. - 5:30 p.m.

DUB

LHR

1h 25mdirect

8:25 a.m. - 9:50 a.m.

LHR

DUB

1h 25mdirect

C$ 130British Airways

Sat, 31 Jan - Sun, 1 Feb

8:40 p.m. - 10:00 p.m.

DUB

LHR

1h 20mdirect

8:25 a.m. - 9:50 a.m.

LHR

DUB

1h 25mdirect

C$ 131British Airways

Sat, 31 Jan - Sun, 1 Feb

8:35 p.m. - 9:55 p.m.

DUB

LHR

1h 20mdirect

3:35 p.m. - 5:05 p.m.

LHR

DUB

1h 30mdirect

C$ 132British Airways

Fri, 6 Feb - Tue, 10 Feb

8:40 p.m. - 10:00 p.m.

DUB

LHR

1h 20mdirect

6:30 a.m. - 7:55 a.m.

LHR

DUB

1h 25mdirect

C$ 136British Airways

Mon, 9 Feb - Fri, 13 Feb

8:40 p.m. - 10:00 p.m.

DUB

LHR

1h 20mdirect

3:35 p.m. - 5:05 p.m.

LHR

DUB

1h 30mdirect

C$ 138British Airways

Mon, 26 Jan - Tue, 27 Jan

8:40 p.m. - 10:00 p.m.

DUB

LHR

1h 20mdirect

12:40 p.m. - 2:10 p.m.

LHR

DUB

1h 30mdirect

C$ 139British Airways

Mon, 9 Feb - Fri, 13 Feb

8:35 p.m. - 9:55 p.m.

DUB

LHR

1h 20mdirect

1:25 p.m. - 3:00 p.m.

LHR

DUB

1h 35mdirect

C$ 141British Airways

Fri, 6 Mar - Sun, 8 Mar

10:20 a.m. - 11:55 a.m.

DUB

LHR

1h 35mdirect

3:55 p.m. - 5:25 p.m.

LHR

DUB

1h 30mdirect

C$ 142British Airways

Wed, 21 Jan - Fri, 23 Jan

1:25 p.m. - 2:50 p.m.

DUB

LHR

1h 25mdirect

6:30 a.m. - 7:55 a.m.

LHR

DUB

1h 25mdirect

C$ 143British Airways

Tue, 17 Mar - Thu, 19 Mar

4:05 p.m. - 5:30 p.m.

DUB

LHR

1h 25mdirect

10:45 a.m. - 12:15 p.m.

LHR

DUB

1h 30mdirect

C$ 145British Airways

Thu, 22 Jan - Thu, 29 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

31 Jan

DUB8:40 p.m.Dublin

1h 20m

LHR10:00 p.m.London Heathrow

1 Feb

LHR8:25 a.m.London Heathrow

1h 25m

DUB9:50 a.m.Dublin

C$ 130

Find similar

British Airways

31 Jan

DUB3:10 p.m.Dublin

1h 25m

LHR4:35 p.m.London Heathrow

2 Feb

LHR6:30 a.m.London Heathrow

1h 25m

DUB7:55 a.m.Dublin

C$ 131

Find similar

British Airways

6 Feb

DUB8:35 p.m.Dublin

1h 20m

LHR9:55 p.m.London Heathrow

10 Feb

LHR3:35 p.m.London Heathrow

1h 30m

DUB5:05 p.m.Dublin

C$ 132

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

23 Dec

DUB7:05 p.m.Dublin

14h 15m

1 stop

LHR9:20 a.m.London Heathrow

29 Dec

LHR6:40 a.m.London Heathrow

5h 05m

1 stop

DUB11:45 a.m.Dublin

C$ 321

Find similar

Scandinavian Airlines

23 Dec

DUB7:05 p.m.Dublin

14h 15m

1 stop

LHR9:20 a.m.London Heathrow

31 Jan

LHR5:30 p.m.London Heathrow

16h 40m

1 stop

DUB10:10 a.m.Dublin

C$ 342

Find similar

Scandinavian Airlines

22 Dec

DUB12:30 p.m.Dublin

9h 10m

1 stop

LHR9:40 p.m.London Heathrow

29 Dec

LHR6:40 a.m.London Heathrow

5h 05m

1 stop

DUB11:45 a.m.Dublin

C$ 351

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 31/1

4:05 p.m.-5:30 p.m.

Nonstop1h 25m

London Heathrow

Sun 1/2

8:25 a.m.-9:50 a.m.

Nonstop1h 25m

C$ 130

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 31/1

8:40 p.m.-10:00 p.m.

Nonstop1h 20m

London Heathrow

Sun 1/2

8:25 a.m.-9:50 a.m.

Nonstop1h 25m

C$ 131

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 6/2

8:35 p.m.-9:55 p.m.

Nonstop1h 20m

London Heathrow

Tue 10/2

3:35 p.m.-5:05 p.m.

Nonstop1h 30m

C$ 132

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 9/2

8:40 p.m.-10:00 p.m.

Nonstop1h 20m

London Heathrow

Fri 13/2

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

C$ 136

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 26/1

8:40 p.m.-10:00 p.m.

Nonstop1h 20m

London Heathrow

Tue 27/1

3:35 p.m.-5:05 p.m.

Nonstop1h 30m

C$ 138

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 9/2

8:40 p.m.-10:00 p.m.

Nonstop1h 20m

London Heathrow

Fri 13/2

12:40 p.m.-2:10 p.m.

Nonstop1h 30m

C$ 139

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 6/3

8:35 p.m.-9:55 p.m.

Nonstop1h 20m

London Heathrow

Sun 8/3

1:25 p.m.-3:00 p.m.

Nonstop1h 35m

C$ 141

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 21/1

10:20 a.m.-11:55 a.m.

Nonstop1h 35m

London Heathrow

Fri 23/1

3:55 p.m.-5:25 p.m.

Nonstop1h 30m

C$ 142

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 17/3

1:25 p.m.-2:50 p.m.

Nonstop1h 25m

London Heathrow

Thu 19/3

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

C$ 143

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 22/1

4:05 p.m.-5:30 p.m.

Nonstop1h 25m

London Heathrow

Thu 29/1

10:45 a.m.-12:15 p.m.

Nonstop1h 30m

C$ 145

Flights are sorted by cheapest round-trip 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 C$ 178. If you aren’t able to travel to London Heathrow Airport during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of C$ 203.

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

According to our data, Wednesday is the cheapest day to fly to London Heathrow Airport from Dublin. The lowest ticket price found for a Wednesday departure recently was C$ 264. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to London Heathrow Airport for around C$ 1,252.

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

Our data shows that the cheapest Dublin to London Heathrow Airport flights are usually those with departure times in the evening. Our users have found flights to London Heathrow Airport in the evening for as low as C$ 305. At noon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 878 per ticket.

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 C$ 227 when searching weeks out. 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 C$ 169 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 140% 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 round-trip 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	C$ 122
Fastest flight time	14h 30m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Dublin in the past 72 hours is C$ 122. The best round-trip flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is C$ 1,055.

The fastest flight from Dublin to London Heathrow Airport takes 14h 30m

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

Search flight deals

How far is Dublin to London Heathrow by plane?
Dublin and London Heathrow are 445.0 km apart from one another. Typically, this will take 14h 30m by plane in normal conditions.
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 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 license 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 flights between Dublin and London Heathrow Airport, the leading plane model is Airbus A320neo, making up 20.91% of the total bookings. Other popular models include Airbus A321neo with 17.67%, Boeing 737-800 Passenger/BBJ2 (winglets) with 8.00%, and Airbus A320-100/200 with 7.57%.
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 69% of the total bookings. Other popular airlines include Aer Lingus with 31%.

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 C$ 136	Free Cancellation	Rating 6.7 7,583 reviews		Search British Airways flights
Aer Lingus	PriceFrom C$ 264	Free Cancellation	Rating 7.2 1,395 reviews		Search Aer Lingus flights

Aer Lingus Flights From Dublin to London Heathrow Airport
Across 87 Aer Lingus flights from Dublin to London Heathrow Airport this week, the average price was C$ 287, with the best Aer Lingus deals starting from C$ 264 round-trip. 1,395 users have rated Aer Lingus on momondo, with an average score of 7.2/10.
British Airways Flights From Dublin to London Heathrow Airport
British Airways (6.7/10 from 7,583 reviews) operates around 82 flights from Dublin to London Heathrow Airport in any given week. The average British Airways airfare for this route is around C$ 178, with deals from around C$ 136 rare but found on momondo. Referenced prices are for round-trip Dublin to London Heathrow Airport flight searches in the last 72 hours.

Hounslow

Ipswich

Poole

Dartford

Gatwick

Ilford

Swindon

Chelmsford

Wokingham

Slough

Stratford-upon-Avon

Feltham

Hayes

Uxbridge

Wembley

Waterlooville

Newport

Basingstoke

Milton Keynes

Dover

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to London for you.

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

All flight searches from Dublin to London on momondo can be filtered to show those which offer flexible booking policies.

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?

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, organize 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 C$ 58

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 2/3. 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

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Filter for what you want

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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 140% 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 has had the least 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?

50 flights are operational daily from Dublin to London Heathrow Airport as of December 2025. The most popular departure time for this route is 8:00a.m., with 43% of flights per day taking off at noon.

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

352 flights are operational weekly from Dublin to London Heathrow Airport as of December 2025. The most popular departure day for this route is Mon, with 18% 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

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, organize 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