Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London to Dublin from $25

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 9/16. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London to Dublin

Cheap round-trip flights

Ryanair Logo
9:35 pm - 11:00 pmLGW-DUB
1h 25mnonstop
Ryanair Logo
4:55 pm - 6:25 pmDUB-LGW
1h 30mnonstop
$50Ryanair
Find Deal
Tue, Sep 16 - Thu, Sep 18
Ryanair Logo
6:25 pm - 7:50 pmLGW-DUB
1h 25mnonstop
Ryanair Logo
7:55 am - 9:25 amDUB-LGW
1h 30mnonstop
$51Ryanair
Find Deal
Thu, Aug 28 - Sun, Aug 31
Ryanair Logo
8:35 pm - 10:00 pmLGW-DUB
1h 25mnonstop
Ryanair Logo
6:05 pm - 7:35 pmDUB-LGW
1h 30mnonstop
$52Ryanair
Find Deal
Tue, Aug 12 - Sat, Aug 16
Ryanair Logo
2:50 pm - 4:15 pmLGW-DUB
1h 25mnonstop
Ryanair Logo
7:55 am - 9:25 amDUB-LGW
1h 30mnonstop
$53Ryanair
Find Deal
Thu, Aug 28 - Sun, Aug 31
Ryanair Logo
8:35 pm - 10:00 pmLGW-DUB
1h 25mnonstop
Ryanair Logo
7:25 pm - 8:55 pmDUB-LGW
1h 30mnonstop
$54Ryanair
Find Deal
Tue, Aug 12 - Tue, Aug 19
Ryanair Logo
1:05 pm - 2:30 pmLGW-DUB
1h 25mnonstop
Ryanair Logo
6:50 am - 8:20 amDUB-LGW
1h 30mnonstop
$55Ryanair
Find Deal
Wed, Oct 8 - Wed, Oct 15
British Airways Logo
6:20 am - 7:45 amLHR-DUB
1h 25mnonstop
British Airways Logo
11:00 am - 12:30 pmDUB-LHR
1h 30mnonstop
$108British Airways
Find Deal
Tue, Sep 16 - Thu, Sep 18
British Airways Logo
6:15 am - 7:40 amLHR-DUB
1h 25mnonstop
British Airways Logo
10:55 am - 12:25 pmDUB-LHR
1h 30mnonstop
$109British Airways
Find Deal
Sat, Sep 13 - Sat, Sep 13
British Airways Logo
6:20 am - 7:45 amLHR-DUB
1h 25mnonstop
British Airways Logo
11:00 am - 12:30 pmDUB-LHR
1h 30mnonstop
$110British Airways
Find Deal
Tue, Sep 16 - Thu, Sep 18
Logo
6:20 am - 7:45 amLHR-DUB
1h 25mnonstop
Logo
6:30 am - 8:00 amDUB-LHR
1h 30mnonstop
$152
Find Deal
Thu, Aug 14 - Mon, Aug 18

British Airways flights from London to Dublin

Our best British Airways deals on London to Dublin flight tickets
British Airways
Sep 16
LHR6:20 amLondon Heathrow
1h 25m
DUB7:45 amDublin
Sep 18
DUB11:00 amDublin
1h 30m
LHR12:30 pmLondon Heathrow
$108
Find similar
British Airways
Sep 13
LHR6:15 amLondon Heathrow
1h 25m
DUB7:40 amDublin
Sep 13
DUB10:55 amDublin
1h 30m
LHR12:25 pmLondon Heathrow
$109
Find similar
British Airways
Sep 16
LHR6:20 amLondon Heathrow
1h 25m
DUB7:45 amDublin
Sep 18
DUB11:00 amDublin
1h 30m
LHR12:30 pmLondon Heathrow
$110
Find similar

Ryanair flights from London to Dublin

Our best Ryanair deals on London to Dublin flight tickets
Ryanair
Sep 16
LGW9:35 pmLondon Gatwick
1h 25m
DUB11:00 pmDublin
Sep 18
DUB4:55 pmDublin
1h 30m
LGW6:25 pmLondon Gatwick
$50
Find similar
Ryanair
Aug 28
LGW6:25 pmLondon Gatwick
1h 25m
DUB7:50 pmDublin
Aug 31
DUB7:55 amDublin
1h 30m
LGW9:25 amLondon Gatwick
$51
Find similar
Ryanair
Aug 12
LGW8:35 pmLondon Gatwick
1h 25m
DUB10:00 pmDublin
Aug 16
DUB6:05 pmDublin
1h 30m
LGW7:35 pmLondon Gatwick
$52
Find similar

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, September 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 $65. If you’re not able to fly to Dublin in September, then January is your next best option. Flight prices from London to Dublin during January 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 $138. Flights from London to Dublin on a Sunday will generally be more expensive and average around $174. 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 $131. 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 $193.

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 $162 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 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 July 2025, prices for London to Dublin flights are approximately 35% 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

$25

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 $25. The best round-trip flight deal from London to Dublin found on momondo in the last 72 hours is $50.
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)
Search flight deals

  • 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
6.8
5,152 reviews
Search Ryanair flights
British AirwaysPriceFrom $87Free CancellationRating
6.6
7,109 reviews
Search British Airways flights
Aer LingusPriceFrom $136Free CancellationRating
7.1
1,152 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 105 flights/week on average for this route. A good Aer Lingus flight deal for London to Dublin starts from $136 round-trip, up to an average price of $192. Our users have rated Aer Lingus at 7.1/10.

  • Ryanair Flights From London to Dublin

    Ryanair (6.8/10 from 5,152 reviews) operates around 37 flights from London to Dublin in any given week. The average Ryanair airfare for this route is around $78, 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
Maynooth
Athlone
Dundalk
Malahide
Mullingar
Leixlip
Naas
Castleknock
Cavan
Kildare
Drogheda
Arklow
Bray
Enniscorthy
Wicklow
Tullamore
Slane
Thurles

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.

An easier way to manage your Dublin 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/15
Tue 7/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland