Cheap flights from London to Dublin from $27

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 3/7. 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 round-trip flights

Enter your travel dates to find the best prices.
Ryanair Logo
7:20 pm - 8:45 pm
LGW
-
DUB
1h 25mnonstop
Ryanair Logo
6:35 pm - 8:05 pm
DUB
-
LGW
1h 30mnonstop
$53Ryanair
Mon, Mar 23 - Tue, Mar 31
Ryanair Logo
10:30 pm - 11:55 pm
LGW
-
DUB
1h 25mnonstop
Ryanair Logo
6:35 am - 8:00 am
DUB
-
LGW
1h 25mnonstop
$54Ryanair
Sat, Feb 14 - Sun, Feb 22
Ryanair Logo
11:25 am - 12:50 pm
LGW
-
DUB
1h 25mnonstop
Ryanair Logo
7:50 am - 9:15 am
DUB
-
LGW
1h 25mnonstop
$56Ryanair
Tue, Feb 10 - Tue, Feb 17
Ryanair Logo
4:10 pm - 5:35 pm
LGW
-
DUB
1h 25mnonstop
Ryanair Logo
3:45 pm - 5:10 pm
DUB
-
LGW
1h 25mnonstop
$57Ryanair
Fri, Feb 13 - Mon, Feb 16
Ryanair Logo
9:35 pm - 11:00 pm
LGW
-
DUB
1h 25mnonstop
Ryanair Logo
8:20 am - 9:45 am
DUB
-
LGW
1h 25mnonstop
$59Ryanair
Fri, Feb 13 - Sun, Feb 15
Ryanair Logo
4:10 pm - 5:35 pm
LGW
-
DUB
1h 25mnonstop
Ryanair Logo
5:30 pm - 6:55 pm
DUB
-
LGW
1h 25mnonstop
$61Ryanair
Fri, Feb 13 - Mon, Feb 16
Ryanair Logo
9:35 pm - 11:00 pm
LGW
-
DUB
1h 25mnonstop
Ryanair Logo
6:50 am - 8:20 am
DUB
-
LGW
1h 30mnonstop
$62Ryanair
Tue, Mar 31 - Wed, Apr 8
Ryanair Logo
5:55 pm - 7:20 pm
LGW
-
DUB
1h 25mnonstop
Ryanair Logo
5:05 pm - 6:30 pm
DUB
-
LGW
1h 25mnonstop
$66Ryanair
Mon, Mar 23 - Fri, Mar 27
British Airways Logo
6:30 am - 7:55 am
LHR
-
DUB
1h 25mnonstop
British Airways Logo
8:40 pm - 10:00 pm
DUB
-
LHR
1h 20mnonstop
$98British Airways
Thu, Feb 26 - Mon, Mar 2
British Airways Logo
3:30 pm - 5:00 pm
LHR
-
DUB
1h 30mnonstop
British Airways Logo
1:40 pm - 3:05 pm
DUB
-
LHR
1h 25mnonstop
$99British Airways
Sat, Feb 14 - Sun, Feb 15

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
Mar 23
LGW7:20 pmLondon Gatwick
1h 25m
DUB8:45 pmDublin
Mar 31
DUB6:35 pmDublin
1h 30m
LGW8:05 pmLondon Gatwick
$53
Ryanair
Feb 14
LGW10:30 pmLondon Gatwick
1h 25m
DUB11:55 pmDublin
Feb 22
DUB6:35 amDublin
1h 25m
LGW8:00 amLondon Gatwick
$54
Ryanair
Feb 10
LGW11:25 amLondon Gatwick
1h 25m
DUB12:50 pmDublin
Feb 17
DUB7:50 amDublin
1h 25m
LGW9:15 amLondon Gatwick
$56

British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
Feb 26
LHR6:30 amLondon Heathrow
1h 25m
DUB7:55 amDublin
Mar 2
DUB8:40 pmDublin
1h 20m
LHR10:00 pmLondon Heathrow
$98
British Airways
Feb 14
LHR3:30 pmLondon Heathrow
1h 30m
DUB5:00 pmDublin
Feb 15
DUB1:40 pmDublin
1h 25m
LHR3:05 pmLondon Heathrow
$99
British Airways
Feb 21
LHR6:30 amLondon Heathrow
1h 25m
DUB7:55 amDublin
Feb 28
DUB8:40 pmDublin
1h 20m
LHR10:00 pmLondon Heathrow
$100

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 8, 2026.
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

Mon 3/23

7:20 pm-8:45 pm

Nonstop1h 25m

Dublin

Tue 3/31

6:35 pm-8:05 pm

Nonstop1h 30m

$53

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sat 2/14

10:30 pm-11:55 pm

Nonstop1h 25m

Dublin

Sun 2/22

6:35 am-8:00 am

Nonstop1h 25m

$54

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 2/10

11:25 am-12:50 pm

Nonstop1h 25m

Dublin

Tue 2/17

7:50 am-9:15 am

Nonstop1h 25m

$56

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 2/13

4:10 pm-5:35 pm

Nonstop1h 25m

Dublin

Mon 2/16

3:45 pm-5:10 pm

Nonstop1h 25m

$57

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 2/13

9:35 pm-11:00 pm

Nonstop1h 25m

Dublin

Sun 2/15

8:20 am-9:45 am

Nonstop1h 25m

$59

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 2/13

4:10 pm-5:35 pm

Nonstop1h 25m

Dublin

Mon 2/16

5:30 pm-6:55 pm

Nonstop1h 25m

$61

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 3/31

9:35 pm-11:00 pm

Nonstop1h 25m

Dublin

Wed 4/8

6:50 am-8:20 am

Nonstop1h 30m

$62

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Mon 3/23

5:55 pm-7:20 pm

Nonstop1h 25m

Dublin

Fri 3/27

5:05 pm-6:30 pm

Nonstop1h 25m

$66

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 2/26

6:30 am-7:55 am

Nonstop1h 25m

Dublin

Mon 3/2

8:40 pm-10:00 pm

Nonstop1h 20m

$98

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Sat 2/14

3:30 pm-5:00 pm

Nonstop1h 30m

Dublin

Sun 2/15

1:40 pm-3:05 pm

Nonstop1h 25m

$99

Flights are sorted by cheapest round-trip 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?

In general, January is the cheapest month to fly from London to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $68. If you’re not able to fly to Dublin in January, then September is your next best option. Flight prices from London to Dublin during September average around $72.

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

The cheapest day to depart from London to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $146. Flights from London to Dublin on a Sunday will generally be more expensive and average around $202. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $132. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $190.

What is the cheapest London to Dublin flight route?

Fly from London Gatwick 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 $170 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from London for as low as $128 on momondo.

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

There are 4 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 January 2026, prices for London to Dublin flights are approximately 17% 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 round-trip 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

$27

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from London in the past 72 hours is $27. The best round-trip flight deal from London to Dublin found on momondo in the last 72 hours is $51.
The fastest flight from London to Dublin takes 1h 20m
Direct flights go from London to Dublin every day.
There is 1 airport in Dublin. From London there are direct flights to Dublin (DUB).
  • How far is London to Dublin by plane?

    There are 287.9 mi between London and Dublin. 1h 20m is a normal flight duration for this route.

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

    Prices for flights from London to Dublin Airport refresh daily.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Dublin Airport.

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

    The necessary travel and health documents for your Dublin 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 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 $37Free CancellationRating
6.9
5,245 reviews
Search Ryanair flights
British AirwaysPriceFrom $98Free CancellationRating
6.7
7,658 reviews
Search British Airways flights
Aer LingusPriceFrom $146Free CancellationRating
7.2
1,429 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From London to Dublin

    Aer Lingus is one of the most popular airlines flying from London to Dublin, operating 100 flights/week on average for this route. A good Aer Lingus flight deal for London to Dublin starts from $146 round-trip, up to an average price of $210. Our users have rated Aer Lingus at 7.2/10.

  • Ryanair Flights From London to Dublin

    Ryanair (6.9/10 from 5,245 reviews) operates around 49 flights from London to Dublin in any given week. The average Ryanair airfare for this route is around $90, with deals from around $37 rare but found on momondo. Referenced prices are for round-trip London to Dublin flight searches in the last 72 hours.

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Athlone
Dundalk
Malahide
Mullingar
Bray
Kildare
Wicklow
Drogheda
Maynooth
Portmarnock
Arklow
Cavan
Castleknock
Naas
Leixlip
Thurles
Slane

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Dublin. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from London to Dublin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential London to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Dublin from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 2/7
Sat 2/14

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