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.

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

48 flights are operational daily from Dublin to London Heathrow Airport as of February 2026. The most popular departure time for this route is 8:00a.m., with 42% of flights per day taking off at noon.

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

341 flights are operational weekly from Dublin to London Heathrow Airport as of February 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

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.

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 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 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 February 2026.

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$ 67 Cheap Flights from Dublin to London Heathrow Airport in 2026

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 C$ 150 to C$ 246. The lowest price recently found on this route was C$ 138.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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$ 138British Airways

Wed, 11 Mar - Wed, 18 Mar

5:55 p.m. - 7:15 p.m.

DUB

LHR

1h 20mdirect

3:30 p.m. - 5:00 p.m.

LHR

DUB

1h 30mdirect

C$ 141British Airways

Sat, 28 Feb - Wed, 4 Mar

8:35 a.m. - 10:10 a.m.

DUB

LHR

1h 35mdirect

5:20 p.m. - 6:50 p.m.

LHR

DUB

1h 30mdirect

C$ 145British Airways

Tue, 12 May - Wed, 13 May

10:30 a.m. - 12:05 p.m.

DUB

LHR

1h 35mdirect

6:20 a.m. - 7:45 a.m.

LHR

DUB

1h 25mdirect

C$ 148British Airways

Thu, 12 Mar - Sun, 19 Apr

6:45 p.m. - 8:00 p.m.

DUB

LHR

1h 15mdirect

6:20 a.m. - 7:45 a.m.

LHR

DUB

1h 25mdirect

C$ 149British Airways

Sat, 2 May - Mon, 4 May

10:55 a.m. - 12:30 p.m.

DUB

LHR

1h 35mdirect

6:15 p.m. - 7:40 p.m.

LHR

DUB

1h 25mdirect

C$ 150British Airways

Tue, 10 Mar - Tue, 10 Mar

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

DUB

LHR

1h 35mdirect

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

LHR

DUB

1h 25mdirect

C$ 153British Airways

Wed, 4 Mar - Wed, 11 Mar

8:10 p.m. - 9:25 p.m.

DUB

LHR

1h 15mdirect

6:20 a.m. - 7:45 a.m.

LHR

DUB

1h 25mdirect

C$ 154British Airways

Fri, 17 Apr - Sun, 19 Apr

8:10 p.m. - 9:25 p.m.

DUB

LHR

1h 15mdirect

6:10 p.m. - 7:35 p.m.

LHR

DUB

1h 25mdirect

C$ 156British Airways

Fri, 17 Apr - Mon, 20 Apr

8:10 p.m. - 9:25 p.m.

DUB

LHR

1h 15mdirect

6:10 p.m. - 7:35 p.m.

LHR

DUB

1h 25mdirect

C$ 157British Airways

Fri, 17 Apr - Mon, 20 Apr

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 Mar

DUB8:40 p.m.Dublin

1h 20m

LHR10:00 p.m.London Heathrow

18 Mar

LHR6:30 a.m.London Heathrow

1h 25m

DUB7:55 a.m.Dublin

C$ 138

British Airways

28 Feb

DUB5:55 p.m.Dublin

1h 20m

LHR7:15 p.m.London Heathrow

4 Mar

LHR3:30 p.m.London Heathrow

1h 30m

DUB5:00 p.m.Dublin

C$ 141

British Airways

12 May

DUB8:35 a.m.Dublin

1h 35m

LHR10:10 a.m.London Heathrow

13 May

LHR5:20 p.m.London Heathrow

1h 30m

DUB6:50 p.m.Dublin

C$ 145

KLM flights from Dublin to London Heathrow Airport

Our best KLM deals on Dublin to London Heathrow Airport flight tickets

KLM

17 Feb

DUB1:25 p.m.Dublin

5h 50m

1 stop

LHR7:15 p.m.London Heathrow

20 Feb

LHR11:45 a.m.London Heathrow

4h 35m

1 stop

DUB4:20 p.m.Dublin

C$ 279

KLM

15 Feb

DUB8:50 a.m.Dublin

7h 15m

1 stop

LHR4:05 p.m.London Heathrow

19 Feb

LHR11:45 a.m.London Heathrow

4h 35m

1 stop

DUB4:20 p.m.Dublin

C$ 311

KLM

15 Feb

DUB8:50 a.m.Dublin

7h 15m

1 stop

LHR4:05 p.m.London Heathrow

23 Feb

LHR3:45 p.m.London Heathrow

6h 25m

1 stop

DUB10:10 p.m.Dublin

C$ 314

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

Wed 11/3

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

Nonstop1h 20m

London Heathrow

Wed 18/3

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

Nonstop1h 25m

C$ 138

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 28/2

5:55 p.m.-7:15 p.m.

Nonstop1h 20m

London Heathrow

Wed 4/3

3:30 p.m.-5:00 p.m.

Nonstop1h 30m

C$ 141

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 12/5

8:35 a.m.-10:10 a.m.

Nonstop1h 35m

London Heathrow

Wed 13/5

5:20 p.m.-6:50 p.m.

Nonstop1h 30m

C$ 145

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 12/3

10:30 a.m.-12:05 p.m.

Nonstop1h 35m

London Heathrow

Sun 19/4

6:20 a.m.-7:45 a.m.

Nonstop1h 25m

C$ 148

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 2/5

6:45 p.m.-8:00 p.m.

Nonstop1h 15m

London Heathrow

Mon 4/5

6:20 a.m.-7:45 a.m.

Nonstop1h 25m

C$ 149

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 10/3

10:55 a.m.-12:30 p.m.

Nonstop1h 35m

London Heathrow

Tue 10/3

6:15 p.m.-7:40 p.m.

Nonstop1h 25m

C$ 150

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 4/3

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

Nonstop1h 35m

London Heathrow

Wed 11/3

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

Nonstop1h 25m

C$ 153

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 17/4

8:10 p.m.-9:25 p.m.

Nonstop1h 15m

London Heathrow

Sun 19/4

6:20 a.m.-7:45 a.m.

Nonstop1h 25m

C$ 154

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 17/4

8:10 p.m.-9:25 p.m.

Nonstop1h 15m

London Heathrow

Mon 20/4

6:10 p.m.-7:35 p.m.

Nonstop1h 25m

C$ 156

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 17/4

8:10 p.m.-9:25 p.m.

Nonstop1h 15m

London Heathrow

Mon 20/4

6:10 p.m.-7:35 p.m.

Nonstop1h 25m

C$ 157

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$ 187. If you aren’t able to travel to London Heathrow Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 194.

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$ 262. 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$ 950.

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$ 303. At noon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 870 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$ 225 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$ 168 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 88% 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

Fastest flight time	14h 30m
Direct flights	Every day

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 February 2026.
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 A321neo, making up 17.73% of the total bookings. Other popular models include Airbus A320neo with 17.30%, Boeing 737-800 Passenger/BBJ2 (winglets) with 8.26%, and Boeing 737 MAX 8 with 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 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$ 134	Free Cancellation	Rating 6.7 7,712 reviews		Search British Airways flights
Aer Lingus	PriceFrom C$ 262	Free Cancellation	Rating 7.2 1,444 reviews		Search Aer Lingus flights

Aer Lingus Flights From Dublin to London Heathrow Airport
Across 81 Aer Lingus flights from Dublin to London Heathrow Airport this week, the average price was C$ 284, with the best Aer Lingus deals starting from C$ 262 round-trip. 1,444 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 7,712 reviews) operates around 84 flights from Dublin to London Heathrow Airport in any given week. The average British Airways airfare for this route is around C$ 176, with deals from around C$ 134 rare but found on momondo. Referenced prices are for round-trip Dublin to London Heathrow Airport flight searches in the last 72 hours.

Hounslow

Poole

Ilford

Gatwick

Salisbury

Swindon

Wokingham

Slough

Stratford-upon-Avon

Feltham

Hayes

Richmond

Uxbridge

Wembley

Waterlooville

Newport

Chelmsford

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

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Cheap flights from Dublin to London from C$ 67

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 16/3. 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

Filter for what you want

Filter for what you want

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Cheap round-trip 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

KLM flights from Dublin to London Heathrow Airport

Our best KLM 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 88% 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 has had the least 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?

48 flights are operational daily from Dublin to London Heathrow Airport as of February 2026. The most popular departure time for this route is 8:00a.m., with 42% of flights per day taking off at noon.

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

341 flights are operational weekly from Dublin to London Heathrow Airport as of February 2026. The most popular departure day for this route is Mon, with 19% 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

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

Dublin flight routes

According to popular flight searches on momondo this year

London Heathrow Airport flight routes