Cheap flights from London to Dublin from $45

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Dublin departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Ryanair Logo
08:55 - 10:20LGW-DUB
1h 25mdirect
Ryanair Logo
17:25 - 18:55DUB-LGW
1h 30mdirect
$71Ryanair
Find Deal
Thu, 2 Oct - Sat, 4 Oct
Ryanair Logo
17:30 - 18:55LGW-DUB
1h 25mdirect
Ryanair Logo
16:50 - 18:20DUB-LGW
1h 30mdirect
$72Ryanair
Find Deal
Thu, 25 Sep - Sat, 27 Sep
British Airways Logo
13:55 - 15:25LHR-DUB
1h 30mdirect
British Airways Logo
08:50 - 10:25DUB-LHR
1h 35mdirect
$126British Airways
Find Deal
Tue, 28 Oct - Tue, 4 Nov
British Airways Logo
18:25 - 19:50LHR-DUB
1h 25mdirect
British Airways Logo
15:00 - 16:25DUB-LHR
1h 25mdirect
$128British Airways
Find Deal
Sat, 22 Nov - Fri, 28 Nov
 Logo
09:45 - 11:10LGW-DUB
1h 25mdirect
 Logo
21:20 - 08:30DUB-LGW
11h 10m1 stop
Sat, 11 Oct - Mon, 13 Oct
 Logo
09:00 - 10:25LGW-DUB
1h 25mdirect
 Logo
20:35 - 08:35DUB-LGW
12h 00m1 stop
Mon, 27 Oct - Mon, 3 Nov
Aer Lingus Logo
15:10 - 16:35LHR-DUB
1h 25mdirect
Aer Lingus Logo
06:40 - 08:05DUB-LHR
1h 25mdirect
$203Aer Lingus
Find Deal
Thu, 23 Oct - Sun, 26 Oct
Aer Lingus Logo
16:50 - 18:15LHR-DUB
1h 25mdirect
Aer Lingus Logo
07:30 - 09:05DUB-LHR
1h 35mdirect
$206Aer Lingus
Find Deal
Tue, 7 Oct - Thu, 9 Oct
Vueling Logo
19:25 - 07:55LGW-DUB
12h 30m1 stop
Vueling Logo
19:30 - 07:40DUB-LGW
12h 10m1 stop
$216Vueling
Find Deal
Wed, 3 Dec - Sat, 6 Dec
Vueling Logo
19:50 - 12:50LGW-DUB
17h 00m1 stop
Vueling Logo
08:20 - 14:00DUB-LGW
5h 40m1 stop
$228Vueling
Find Deal
Tue, 7 Oct - Thu, 9 Oct

British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
28 Oct
LHR13:55London Heathrow
1h 30m
DUB15:25Dublin
4 Nov
DUB08:50Dublin
1h 35m
LHR10:25London Heathrow
British Airways
22 Nov
LHR18:25London Heathrow
1h 25m
DUB19:50Dublin
28 Nov
DUB15:00Dublin
1h 25m
LHR16:25London Heathrow
British Airways
13 Nov
LHR10:45London Heathrow
1h 30m
DUB12:15Dublin
18 Nov
DUB08:50Dublin
1h 35m
LHR10:25London Heathrow

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
2 Oct
LGW08:55London Gatwick
1h 25m
DUB10:20Dublin
4 Oct
DUB17:25Dublin
1h 30m
LGW18:55London Gatwick
Ryanair
25 Sept
LGW17:30London Gatwick
1h 25m
DUB18:55Dublin
27 Sept
DUB16:50Dublin
1h 30m
LGW18:20London Gatwick
Ryanair
13 Oct
LGW21:30London Gatwick
1h 25m
DUB22:55Dublin
15 Oct
DUB18:45Dublin
1h 30m
LGW20:15London Gatwick

momondo Fare Finder

 
Customise your flight search to find flights from London to Dublin 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 14 September 2025.
Use the filters below to find and compare flights from London to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Thu 2/10

08:55-10:20

Nonstop1h 25m

Dublin

Sat 4/10

17:25-18:55

Nonstop1h 30m

$71

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Thu 25/9

17:30-18:55

Nonstop1h 25m

Dublin

Sat 27/9

16:50-18:20

Nonstop1h 30m

$72

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 28/10

13:55-15:25

Nonstop1h 30m

Dublin

Tue 4/11

08:50-10:25

Nonstop1h 35m

$126

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 22/11

18:25-19:50

Nonstop1h 25m

Dublin

Fri 28/11

15:00-16:25

Nonstop1h 25m

$128

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sat 11/10

09:45-11:10

Nonstop1h 25m

Dublin

Mon 13/10

21:20-08:30

1 stop11h 10m

$182

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Mon 27/10

09:00-10:25

Nonstop1h 25m

Dublin

Mon 3/11

20:35-08:35

1 stop12h 00m

$201

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 23/10

15:10-16:35

Nonstop1h 25m

Dublin

Sun 26/10

06:40-08:05

Nonstop1h 25m

$203

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 7/10

16:50-18:15

Nonstop1h 25m

Dublin

Thu 9/10

07:30-09:05

Nonstop1h 35m

$206

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 3/12

19:25-07:55

1 stop12h 30m

Dublin

Sat 6/12

19:30-07:40

1 stop12h 10m

$216

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 7/10

19:50-12:50

1 stop17h 00m

Dublin

Thu 9/10

08:20-14:00

1 stop5h 40m

$228

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 Dublin from

How to get the cheapest flight ticket from London to Dublin

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 London and Dublin?

What is the cheapest month to fly to Dublin?

The month of January is, on average, the cheapest month to fly to Dublin from London, with most prices found around $101. If you are unable to visit Dublin during the month of January, then departing from London during the month February is also very affordable. Most momondo users find prices during this month for around $108.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from London to Dublin is on a Thursday. Travellers who choose to depart for Dublin on a Thursday will often find tickets for as low as $127. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to Dublin for around $205.

What is the cheapest time of day to depart on your flight to Dublin?

In the evening is the cheapest time of day to fly from London to Dublin when you can find flight prices for as low as $121. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights to Dublin are more costly at midday, with an average ticket price of $198. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Dublin flight route?

Fly from London Luton to Dublin for the best London - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $251 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from London for as low as $183 on momondo.

What cabin class options are available on London to Dublin flights?

There are 3 cabin classes available to choose from on London to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London to Dublin flight prices changed over time?

As of September 2025, prices for London to Dublin flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from London to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from London to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Dublin (LON to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Dublin

Best price found

$35

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from London in the past 72 hours is $35. The best return flight deal from London to Dublin found on momondo in the last 72 hours is $179.
The fastest flight from London to Dublin takes 1h 10m
Direct flights go from London to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
  • How far is London to Dublin by plane?

    The distance between London and Dublin is about 463.4 km. A reasonable flight in good conditions will take 1h 25m.

  • When did momondo last update prices for flights from London to Dublin Airport?

    Prices for flights from London to Dublin Airport were last updated today.

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

  • How old do you have to be to fly from London to Dublin 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 London to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Dublin?

  • What is the most popular airline from London to Dublin?

Best airlines flying from London to Dublin

Compare and see reviews for airlines that fly from London to Dublin with momondo
Airline
Rating
Free cancellation
Price
RyanairPriceFrom $55Free cancellationRating
6.8
5,158 reviews
Search Ryanair flights
British AirwaysPriceFrom $110Free cancellationRating
6.6
7,361 reviews
Search British Airways flights
Aer LingusPriceFrom $196Free cancellationRating
7.2
1,271 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From London to Dublin

    The lowest priced Aer Lingus flight from London to Dublin from the last 72 hours was $130. Generally, Aer Lingus has 114 flights on this route every week with an average price of $169. Aer Lingus is rated 7.2/10 by our users.

  • Ryanair Flights From London to Dublin

    $36 is the best Ryanair flight deal from London to Dublin found on momondo over the last 72 hours. The average Ryanair ticket price found was closer to $78, however, with flight time and availability significantly affecting the price. Ryanair (6.8/10 from 5,158 user reviews) flies into Dublin from London 58 times in an average week so prices can vary.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Kilkenny
Malahide
Swords

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from London.

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

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

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

Once you have performed a search for London to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from London and alert you when they change.

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1 adult
Tue 14/10
Tue 21/10

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