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Cheap flights from Dublin to London from £18

DUB — LON
26 Oct — 2 Nov1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to London are usually found in September or January, booked 41 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from Dublin to London

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to London

Sat 10/1023:15 -
Nonstop1h 15m
Mon 12/1008:15 -
Nonstop1h 20m
Deal found 24/9£33
Sun 11/1006:30 -
Nonstop1h 20m
Wed 21/1006:30 -
Nonstop1h 20m
Deal found 25/9£33
Sun 8/1106:30 -
Nonstop1h 25m
Sun 15/1108:25 -
Nonstop1h 20m
Deal found 23/9£33
Fri 9/1022:10 -
Nonstop1h 15m
Fri 16/1006:20 -
Nonstop1h 20m
Deal found 25/9£34
Fri 2/1022:00 -
Nonstop1h 20m
Tue 6/1017:30 -
Nonstop1h 20m
Deal found 21/9£34
Sat 7/1113:30 -
Nonstop1h 25m
Sat 7/1117:45 -
Nonstop1h 20m
Deal found 23/9£34
Mon 2/1107:55 -
Nonstop1h 15m
Sun 8/1108:40 -
Nonstop1h 20m
Deal found 23/9£35
Fri 6/1121:55 -
Nonstop1h 20m
Fri 13/1122:25 -
Nonstop1h 20m
Deal found 22/9£35
Sat 3/1018:25 -
Nonstop1h 30m
Sun 4/1008:55 -
Nonstop1h 25m
Deal found 23/9£35
Fri 2/1022:10 -
Nonstop1h 15m
Mon 5/1012:25 -
Nonstop1h 20m
Deal found 23/9£35
Thu 15/1022:00 -
Nonstop1h 20m
Sat 31/1018:40 -
Nonstop1h 20m
Deal found 25/9£35
Fri 2/1022:10 -
Nonstop1h 15m
Sun 4/1009:00 -
Nonstop1h 20m
Deal found 22/9£36

Find flight deals from Dublin to London

Round-trip from

£33

One-way from

£18

Popular in

June

Cheapest in

September

Average price

£58

Good round-trip deal

£28 or less

Good one-way deal

£25 or less
Ryanair
  • Ryanair
  • 10/10-12/10
  • Nonstop
  • 2h 35m total
  • Dublin to London
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Ryanair
  • Ryanair
  • 4/10-31/12
  • Nonstop
  • 1h 15m total
  • Dublin to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£9 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Dublin to London (LON).
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Price to beat on a one-way flight from Dublin to London (LON).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Dublin to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinLondon

DUB Dublin - LTN London Luton

DUBLTN

Dublin

Sun 4/10

07:05-08:20

Nonstop1h 15m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - LTN London Luton

DUBLTN

Dublin

Thu 19/11

19:50-21:05

Nonstop1h 15m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - LTN London Luton

DUBLTN

Dublin

Thu 15/10

20:00-21:15

Nonstop1h 15m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - LTN London Luton

DUBLTN

Dublin

Sat 3/10

23:15-00:30

Nonstop1h 15m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - STN London Stansted

DUBSTN

Dublin

Fri 2/10

22:00-23:20

Nonstop1h 20m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - STN London Stansted

DUBSTN

Dublin

Sun 4/10

06:30-07:50

Nonstop1h 20m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - STN London Stansted

DUBSTN

Dublin

Mon 21/12

21:25-22:45

Nonstop1h 20m

London Stansted

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - LGW London Gatwick

DUBLGW

Dublin

Thu 26/11

15:50-17:15

Nonstop1h 25m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - LGW London Gatwick

DUBLGW

Dublin

Sat 24/10

19:15-20:45

Nonstop1h 30m

London Gatwick

Wed 31/12

00:00-00:00

Nonstop0h 00m

£18

DublinLondon

DUB Dublin - LTN London Luton

DUBLTN

Dublin

Fri 6/11

21:50-23:05

Nonstop1h 15m

London Luton

Wed 31/12

00:00-00:00

Nonstop0h 00m

£19

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dublin to London

Have a flexible travel schedule? Discover the best time to fly to London from Dublin with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Currently, September is the cheapest month in which you can book a flight from Dublin to London (average of £76). Flying from Dublin to London in June is currently the most expensive (average of £120). 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 DUB to LON?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 56% on flights from Dublin to London by exploring options for tickets in the evening.

Weekly flight availability from Dublin to London

The most flights from DUB to LON are scheduled on a Friday (114 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (47 on average).

How much does it cost for a return flight from Dublin to London?

Airfare is below average for this route at the moment.
Dublin to London flights typically cost between £38 and £132 in October.
The cheapest return price found within the last 5 days was £33 on Ryanair (10 Oct–12 Oct).

How often are flights from Dublin to London delayed?

About 16% of weekly flights between Dublin and London have experienced delays in the past year, with the average delay time being 103 minutes.

What is the most punctual flight time for Dublin to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Dublin to London flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Dublin to London, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Dublin to London?

Travellers seeking maximum savings on their Dublin to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing London

Read reviews from past customers who have flown with Aer Lingus,Ryanair, andBritish Airways from Dublin to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Boarding

7.4

Entertainment

7.0

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Aer Lingus
7.3
Good
1,789 reviews
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Boarding

7.4

Entertainment

7.0

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Ryanair
6.9
Okay
5,455 reviews
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Boarding

7.4

Entertainment

7.0

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
British Airways
6.7
Okay
8,237 reviews
Aer Lingus
7.3
Good
1,789 reviews
Check prices

Boarding

7.4

Entertainment

7.0

Comfort

7.2

Crew

8.1

Overall

7.3

Food

6.7

Reviews

1 / 20
10.0
Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight

Related info for your journey

  • What airport do you fly from for flights from Dublin to London?

    Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to London. You should not have trouble finding flights to London from Dublin; the airport handles an average of 72 outbound flights to London per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Dublin airport to London. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.

  • How long is the flight from Dublin to London?

    Departing from Dublin to London will take you 1h 20m. The distance from Dublin to London is about 292 mi. Most flights are nonstop.

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

    Cheapflights users have booked flights from Dublin to London round-trip from £30. Other airlines that can offer you cheap pricing are British Airways, from £74, and Aer Lingus, from £100. These flights start at 60% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Dublin to London one-way?

    The cheapet airlines for a one-way flight from Dublin to London are Ryanair (£14), Ryanair (£18), and British Airways (£41).

  • What are the most popular routes from Dublin to London?

    When deciding which route to take from Dublin to London consider Dublin - London Gatwick, Dublin - London Stansted or Dublin - London Heathrow as they are the most popular.

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

    Before booking your flight to London from Dublin, check out the most reliable airlines to get you to your destination on time: Air Canada (85%), Aer Lingus (76%), British Airways( 75%).

  • What are the cheapest flights from Dublin to London?

    Looking at all options, your cheapest flight can be booked for £45. While the most popular route (Dublin - London Gatwick) can be booked for £26 on average, our data indicates £1,440 when flying from Dublin to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin to London 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 Dublin to London?

    Currently, September is the cheapest month in which you can book a flight from Dublin to London (average of £76). Flying from Dublin to London in June is currently the most expensive (average of £120). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Kingston upon Thames
Dagenham
Dover

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Dublin to London

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£76FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£74Average£146FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£100Average£147FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

When you search for this flight from Dublin to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dublin to London.

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

Need flexible booking options for your flight to London from Dublin? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Dublin today and book when prices fit your budget.

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