Cheap flights from London to Dublin

LON — DUB
31 Aug — 7 Sep1
1 adult

Cheapflights Tip: The best prices from London to Dublin are usually found in January or September, booked 28 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from London to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 August 2025.

Popular in

December

Cheapest in

January

Average price

$188
Highest demand for flights based on searches. 9% potential increase in price ($25 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average return price).
Average for round-trip flights in August 2025

Best time to book a flight from London to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Dublin

How far ahead should I book a flight from London to Dublin?

Use this chart to determine the optimal time to book a return flight from London to Dublin. Price data was last updated on 22 August 2025.

The price you pay for your flight from London to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Dublin?

Currently, January is the cheapest month in which you can book a flight from London to Dublin (average of $1,319). Flying from London to Dublin in December is currently the most expensive (average of $1,718). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to DUB?

Find hourly flight availability from London to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 August 2025.

A simple way to save on the total cost of your ticket is to fly from London to Dublin in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 26 August 2025.
Check out reviews from past customers who have flown with Ryanair and British Airways from London to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.0

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Crew

7.5

Overall

6.8

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!

Food

6.0

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Crew

7.5

Overall

6.8

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!

Food

6.0

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Crew

7.5

Overall

6.8

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!

Related info for your journey

Find useful and relevant information for your journey from London to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Dublin from London?

    Dublin (DUB), located 9.2 km from the city centre, is the airport you fly into when you book flights from London to Dublin. 2 airlines have flights to Dublin from London on a regular basis. Booking flights from London to Dublin should not be difficult; the airport handles an average of 70 inbound flights from London per day.

  • What are the cheapest airlines flying from London to Dublin round-trip?

    Our cheapest airline available from London to Dublin is Ryanair. Our recent data shows that you can find tickets from as low as $112 on this airline. An additional option worth looking into is British Airways, starting at $136. These flights start at 26% lower than the current average price 3 months from now.

  • What are the most reliable airlines from London to Dublin?

    No one likes to see their flight delayed. When booking a flight from London to Dublin consider choosing Air Canada(85%), LATAM Airlines(79%) or Qatar Airways(77%), as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from London to Dublin that include hotel bookings?

    Yes. In addition to deals on London to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Dublin.

  • Can I find deals for business class flights from London to Dublin?

    Yes. Cheapflights offers flight deals from London to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Dublin?

    Currently, January is the cheapest month in which you can book a flight from London to Dublin (average of $1,319). Flying from London to Dublin in December is currently the most expensive (average of $1,718). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from London to Dublin

Discover the top 2 airlines that operate flights from London to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 134,765 searches. Data last updated 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$112Average$218FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest$136Average$215FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Dublin?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dublin from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to Dublin?

Cheapflights simply makes it quick and affordable to book flights from London to Dublin by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Dublin with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Dublin flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Dublin become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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