Cheap flights from London to Dublin from $34

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 9/22. 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

Ryanair Logo
5:35 pm - 7:00 pmLGW-DUB
1h 25mnonstop
Ryanair Logo
6:25 am - 7:55 amDUB-LGW
1h 30mnonstop
$50Ryanair
Find Deal
Sat, Oct 11 - Mon, Oct 13
Ryanair Logo
8:50 am - 10:15 amLGW-DUB
1h 25mnonstop
Ryanair Logo
6:40 pm - 8:10 pmDUB-LGW
1h 30mnonstop
$51Ryanair
Find Deal
Tue, Sep 16 - Tue, Sep 23
Ryanair Logo
9:50 am - 11:15 amLGW-DUB
1h 25mnonstop
Ryanair Logo
6:45 am - 8:15 amDUB-LGW
1h 30mnonstop
$52Ryanair
Find Deal
Fri, Sep 12 - Sun, Sep 14
Ryanair Logo
9:40 pm - 11:05 pmLGW-DUB
1h 25mnonstop
Ryanair Logo
5:05 pm - 6:30 pmDUB-LGW
1h 25mnonstop
$53Ryanair
Find Deal
Wed, Nov 12 - Wed, Nov 19
Ryanair Logo
8:50 am - 10:15 amLGW-DUB
1h 25mnonstop
Ryanair Logo
7:10 pm - 8:40 pmDUB-LGW
1h 30mnonstop
$55Ryanair
Find Deal
Sat, Sep 27 - Thu, Oct 2
Ryanair Logo
9:50 am - 11:15 amLGW-DUB
1h 25mnonstop
Ryanair Logo
7:55 am - 9:25 amDUB-LGW
1h 30mnonstop
$56Ryanair
Find Deal
Sun, Sep 21 - Sun, Sep 28
British Airways Logo
1:55 pm - 3:25 pmLHR-DUB
1h 30mnonstop
British Airways Logo
5:55 pm - 7:15 pmDUB-LHR
1h 20mnonstop
$94British Airways
Find Deal
Tue, Dec 16 - Sat, Dec 20
British Airways Logo
6:30 am - 7:55 amLHR-DUB
1h 25mnonstop
British Airways Logo
5:55 pm - 7:15 pmDUB-LHR
1h 20mnonstop
$95British Airways
Find Deal
Thu, Nov 6 - Sat, Nov 8
British Airways Logo
10:45 am - 12:15 pmLHR-DUB
1h 30mnonstop
British Airways Logo
5:55 pm - 7:15 pmDUB-LHR
1h 20mnonstop
$96British Airways
Find Deal
Thu, Nov 13 - Sat, Nov 15
 Logo
5:35 pm - 7:00 pmLGW-DUB
1h 25mnonstop
 Logo
9:35 pm - 8:30 amDUB-LGW
10h 55m1 stop
Wed, Oct 15 - Tue, Oct 21

British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
Dec 16
LHR1:55 pmLondon Heathrow
1h 30m
DUB3:25 pmDublin
Dec 20
DUB5:55 pmDublin
1h 20m
LHR7:15 pmLondon Heathrow
British Airways
Nov 6
LHR6:30 amLondon Heathrow
1h 25m
DUB7:55 amDublin
Nov 8
DUB5:55 pmDublin
1h 20m
LHR7:15 pmLondon Heathrow
British Airways
Nov 13
LHR10:45 amLondon Heathrow
1h 30m
DUB12:15 pmDublin
Nov 15
DUB5:55 pmDublin
1h 20m
LHR7:15 pmLondon Heathrow

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
Oct 11
LGW5:35 pmLondon Gatwick
1h 25m
DUB7:00 pmDublin
Oct 13
DUB6:25 amDublin
1h 30m
LGW7:55 amLondon Gatwick
Ryanair
Sep 3
LGW5:35 pmLondon Gatwick
1h 25m
DUB7:00 pmDublin
Sep 11
DUB7:50 amDublin
1h 30m
LGW9:20 amLondon Gatwick
Ryanair
Sep 12
LGW9:50 amLondon Gatwick
1h 25m
DUB11:15 amDublin
Sep 14
DUB6:45 amDublin
1h 30m
LGW8:15 amLondon Gatwick

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 August 25, 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

Sat 10/11

5:35 pm-7:00 pm

Nonstop1h 25m

Dublin

Mon 10/13

6:25 am-7:55 am

Nonstop1h 30m

$50

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Tue 9/16

8:50 am-10:15 am

Nonstop1h 25m

Dublin

Tue 9/23

6:40 pm-8:10 pm

Nonstop1h 30m

$51

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Fri 9/12

9:50 am-11:15 am

Nonstop1h 25m

Dublin

Sun 9/14

6:45 am-8:15 am

Nonstop1h 30m

$52

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 11/12

9:40 pm-11:05 pm

Nonstop1h 25m

Dublin

Wed 11/19

5:05 pm-6:30 pm

Nonstop1h 25m

$53

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sat 9/27

8:50 am-10:15 am

Nonstop1h 25m

Dublin

Thu 10/2

7:10 pm-8:40 pm

Nonstop1h 30m

$55

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Sun 9/21

9:50 am-11:15 am

Nonstop1h 25m

Dublin

Sun 9/28

7:55 am-9:25 am

Nonstop1h 30m

$56

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Tue 12/16

1:55 pm-3:25 pm

Nonstop1h 30m

Dublin

Sat 12/20

5:55 pm-7:15 pm

Nonstop1h 20m

$94

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 11/6

6:30 am-7:55 am

Nonstop1h 25m

Dublin

Sat 11/8

5:55 pm-7:15 pm

Nonstop1h 20m

$95

LondonDublin

LHR - DUB

LHRDUB

London Heathrow

Thu 11/13

10:45 am-12:15 pm

Nonstop1h 30m

Dublin

Sat 11/15

5:55 pm-7:15 pm

Nonstop1h 20m

$96

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 10/15

5:35 pm-7:00 pm

Nonstop1h 25m

Dublin

Tue 10/21

9:35 pm-8:30 am

1 stop10h 55m

$105

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 $67. 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 $67.

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

The cheapest day to depart from London to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $142. Flights from London to Dublin on a Sunday will generally be more expensive and average around $196. 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 $124. 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 $189.

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 $167 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 $122 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 August 2025, prices for London to Dublin flights are approximately 50% 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

$31

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 $31. The best round-trip flight deal from London to Dublin found on momondo in the last 72 hours is $52.
The fastest flight from London to Dublin takes 1h 20m
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?

    There are 287.9 mi between London and Dublin. 1h 25m 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
6.8
5,152 reviews
Search Ryanair flights
British AirwaysPriceFrom $90Free CancellationRating
6.7
7,305 reviews
Search British Airways flights
Aer LingusPriceFrom $146Free CancellationRating
7.2
1,230 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 112 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 $199. Our users have rated Aer Lingus at 7.2/10.

  • Ryanair Flights From London to Dublin

    Ryanair (6.8/10 from 5,152 reviews) operates around 77 flights from London to Dublin in any given week. The average Ryanair airfare for this route is around $82, 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
Maynooth
Leixlip
Bray
Castleknock
Kildare
Naas
Mullingar
Arklow
Cavan
Enniscorthy
Wicklow
Drogheda
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 8/30
Sat 9/6

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