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Cheap flights from Dublin to London from $88

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 21/10. 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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Cheap return flights

British Airways Logo
08:50 - 10:25DUB-LHR
1h 35mdirect
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
$159British Airways
Find Deal
Tue, 2 Dec - Sat, 6 Dec
British Airways Logo
10:25 - 12:00DUB-LHR
1h 35mdirect
British Airways Logo
16:50 - 18:20LHR-DUB
1h 30mdirect
$161British Airways
Find Deal
Tue, 23 Sep - Tue, 23 Sep
British Airways Logo
10:25 - 12:00DUB-LHR
1h 35mdirect
British Airways Logo
06:15 - 07:40LHR-DUB
1h 25mdirect
$162British Airways
Find Deal
Tue, 14 Oct - Sat, 18 Oct
British Airways Logo
10:25 - 12:00DUB-LHR
1h 35mdirect
British Airways Logo
16:50 - 18:20LHR-DUB
1h 30mdirect
$164British Airways
Find Deal
Tue, 23 Sep - Tue, 23 Sep
British Airways Logo
17:55 - 19:15DUB-LHR
1h 20mdirect
British Airways Logo
18:15 - 19:40LHR-DUB
1h 25mdirect
$165British Airways
Find Deal
Sat, 17 Jan - Mon, 19 Jan
British Airways Logo
08:50 - 10:25DUB-LHR
1h 35mdirect
British Airways Logo
15:20 - 16:50LHR-DUB
1h 30mdirect
$167British Airways
Find Deal
Thu, 6 Nov - Mon, 10 Nov
British Airways Logo
08:50 - 10:25DUB-LHR
1h 35mdirect
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
$168British Airways
Find Deal
Wed, 26 Nov - Thu, 27 Nov
British Airways Logo
10:25 - 12:00DUB-LHR
1h 35mdirect
British Airways Logo
06:20 - 07:45LHR-DUB
1h 25mdirect
$170British Airways
Find Deal
Tue, 7 Oct - Thu, 9 Oct
British Airways Logo
10:25 - 12:00DUB-LHR
1h 35mdirect
British Airways Logo
18:05 - 19:30LHR-DUB
1h 25mdirect
$172British Airways
Find Deal
Tue, 9 Sep - Wed, 10 Sep
British Airways Logo
10:25 - 12:00DUB-LHR
1h 35mdirect
British Airways Logo
06:20 - 07:45LHR-DUB
1h 25mdirect
$173British Airways
Find Deal
Tue, 16 Sep - Tue, 23 Sep

British Airways flights from Dublin to London Heathrow Airport

Our best British Airways deals on Dublin to London Heathrow Airport flight tickets
British Airways
2 Dec
DUB08:50Dublin
1h 35m
LHR10:25London Heathrow
6 Dec
LHR06:30London Heathrow
1h 25m
DUB07:55Dublin
$159
Find similar
British Airways
23 Sept
DUB10:25Dublin
1h 35m
LHR12:00London Heathrow
27 Sept
LHR06:15London Heathrow
1h 25m
DUB07:40Dublin
$161
Find similar
British Airways
14 Oct
DUB10:25Dublin
1h 35m
LHR12:00London Heathrow
18 Oct
LHR06:15London Heathrow
1h 25m
DUB07:40Dublin
$162
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
17 Aug
DUB21:45Dublin
11h 50m
1 stop
LHR09:35London Heathrow
21 Aug
LHR17:00London Heathrow
18h 50m
1 stop
DUB11:50Dublin
$372
Find similar
Scandinavian Airlines
18 Aug
DUB12:20Dublin
6h 30m
1 stop
LHR18:50London Heathrow
17 Sept
LHR06:40London Heathrow
5h 10m
1 stop
DUB11:50Dublin
$374
Find similar
Scandinavian Airlines
17 Aug
DUB21:45Dublin
11h 50m
1 stop
LHR09:35London Heathrow
20 Aug
LHR19:30London Heathrow
16h 20m
1 stop
DUB11:50Dublin
$445
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 4 August 2025.
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

Tue 2/12

08:50-10:25

Nonstop1h 35m

London Heathrow

Sat 6/12

06:30-07:55

Nonstop1h 25m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 23/9

10:25-12:00

Nonstop1h 35m

London Heathrow

Tue 23/9

16:50-18:20

Nonstop1h 30m

$161

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 14/10

10:25-12:00

Nonstop1h 35m

London Heathrow

Sat 18/10

06:15-07:40

Nonstop1h 25m

$162

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 23/9

10:25-12:00

Nonstop1h 35m

London Heathrow

Tue 23/9

16:50-18:20

Nonstop1h 30m

$164

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

17:55-19:15

Nonstop1h 20m

London Heathrow

Mon 19/1

18:15-19:40

Nonstop1h 25m

$165

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 6/11

08:50-10:25

Nonstop1h 35m

London Heathrow

Mon 10/11

15:20-16:50

Nonstop1h 30m

$167

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 26/11

08:50-10:25

Nonstop1h 35m

London Heathrow

Thu 27/11

06:30-07:55

Nonstop1h 25m

$168

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 7/10

10:25-12:00

Nonstop1h 35m

London Heathrow

Thu 9/10

06:20-07:45

Nonstop1h 25m

$170

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 9/9

10:25-12:00

Nonstop1h 35m

London Heathrow

Wed 10/9

18:05-19:30

Nonstop1h 25m

$172

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 16/9

10:25-12:00

Nonstop1h 35m

London Heathrow

Tue 23/9

06:20-07:45

Nonstop1h 25m

$173

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 $199. If you aren’t able to travel during the month of January, then book flights to London Heathrow Airport from Dublin during September instead. Flights to London Heathrow Airport in September, while not as cheap as those in January, still average around $210.

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 $189. 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 $2,236.

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 $189. 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 $2,183.

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 $243 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 $164 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 August 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

$88

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 $88. The best return flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is $159.
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 distance between Dublin and London Heathrow is about 445.0 km. In terms of flight time, this usually takes a little over 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 are refreshed on a daily basis.

  • 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?

    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?

  • 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
Airline
Rating
Free cancellation
Price
British AirwaysPriceFrom $122Free cancellationRating
6.6
7,233 reviews
Search British Airways flights

  • British Airways Flights From Dublin to London Heathrow Airport

    British Airways flies from Dublin to London Heathrow Airport around 97 times per week, with 7,233 momondo users rating the airline 6.6/10. The cheapest British Airways deal from Dublin to London Heathrow Airport in the last 72 hours was $79 (round-trip), much lower than the average airfare cost of $140 for British Airways flights on this route.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Kingston upon Thames
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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.

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