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Cheap flights from Dublin to London from £17

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LON
16 Jun — 23 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to London are usually found in January or September, booked 77 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Dublin to London

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to London
Explore the most affordable flight options available from Dublin to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 May 2026.

Thu 4/611:20
DUB
-
LTN
Nonstop1h 15m
Ryanair
Mon 8/618:40
LTN
-
DUB
Nonstop1h 20m
Ryanair
Deal found 13/5£34
Thu 4/622:00
DUB
-
STN
Nonstop1h 20m
Multiple Airlines
Mon 8/620:00
STN
-
DUB
Nonstop1h 20m
Multiple Airlines
Deal found 13/5£34
Thu 4/618:40
DUB
-
LGW
Nonstop1h 30m
Ryanair
Sun 7/608:55
LGW
-
DUB
Nonstop1h 25m
Ryanair
Deal found 15/5£34
Tue 2/621:35
DUB
-
LTN
Nonstop1h 15m
Ryanair
Sun 7/609:00
LTN
-
DUB
Nonstop1h 20m
Ryanair
Deal found 14/5£35
Thu 4/606:30
DUB
-
STN
Nonstop1h 20m
Ryanair
Sun 7/606:35
STN
-
DUB
Nonstop1h 20m
Ryanair
Deal found 13/5£35
Thu 4/619:10
DUB
-
LGW
Nonstop1h 30m
Ryanair
Mon 8/621:30
LGW
-
DUB
Nonstop1h 25m
Ryanair
Deal found 12/5£35
Thu 4/607:45
DUB
-
LTN
Nonstop1h 15m
Ryanair
Sun 7/609:00
LTN
-
DUB
Nonstop1h 20m
Ryanair
Deal found 13/5£35
Sat 27/622:00
DUB
-
STN
Nonstop1h 20m
Ryanair
Sat 4/720:00
STN
-
DUB
Nonstop1h 20m
Ryanair
Deal found 13/5£35
Tue 2/607:40
DUB
-
LGW
Nonstop1h 30m
Ryanair
Tue 2/619:55
LGW
-
DUB
Nonstop1h 25m
Ryanair
Deal found 12/5£35
Tue 12/511:30
DUB
-
LTN
Nonstop1h 15m
Ryanair
Tue 12/519:50
LTN
-
DUB
Nonstop1h 20m
Ryanair
Deal found 11/5£36
Wed 10/621:00
DUB
-
STN
Nonstop1h 20m
Ryanair
Fri 12/622:00
STN
-
DUB
Nonstop1h 20m
Ryanair
Deal found 13/5£36
Thu 28/506:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Sun 31/508:55
LGW
-
DUB
Nonstop1h 25m
Ryanair
Deal found 14/5£36

Find flight deals from Dublin to London

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to London (LON). 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 17 May 2026.

Round-trip from

£34

One-way from

£17

Popular in

June

Cheapest in

January

Average price

£82

Good round-trip deal

£36 or less

Good one-way deal

£15 or less
Ryanair
  • Ryanair
  • 4/6-8/6
  • Nonstop
  • 2h 35m total
  • Dublin to London
Search Deals
Ryanair
  • Ryanair
  • 10/7
  • Nonstop
  • 1h 15m total
  • Dublin to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Dublin to London (LON).
Search Deals
Price to beat on a one-way flight from Dublin to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to London 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, Cheapflights users made 858,174 searches. Data last updated 17 May 2026.
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 - LTN

DUBLTN

Dublin

Sat 20/6

23:15-00:30

Nonstop1h 15m

London Luton

Wed 1/7

06:15-07:35

Nonstop1h 20m

£34

DublinLondon

DUB - LTN

DUBLTN

Dublin

Thu 18/6

14:10-15:25

Nonstop1h 15m

London Luton

Sun 21/6

09:00-10:20

Nonstop1h 20m

£34

DublinLondon

DUB - LTN

DUBLTN

Dublin

Fri 12/6

22:10-23:25

Nonstop1h 15m

London Luton

Mon 15/6

12:25-13:45

Nonstop1h 20m

£34

DublinLondon

DUB - LTN

DUBLTN

Dublin

Sun 14/6

07:05-08:20

Nonstop1h 15m

London Luton

Sun 21/6

09:00-10:20

Nonstop1h 20m

£34

DublinLondon

DUB - STN

DUBSTN

Dublin

Thu 18/6

06:30-07:50

Nonstop1h 20m

London Stansted

Sun 21/6

06:35-07:55

Nonstop1h 20m

£34

DublinLondon

DUB - LGW

DUBLGW

Dublin

Sun 7/6

06:45-08:15

Nonstop1h 30m

London Gatwick

Tue 9/6

08:50-10:15

Nonstop1h 25m

£34

DublinLondon

DUB - LGW

DUBLGW

Dublin

Thu 4/6

18:40-20:10

Nonstop1h 30m

London Gatwick

Sun 7/6

08:55-10:20

Nonstop1h 25m

£34

DublinLondon

DUB - LGW

DUBLGW

Dublin

Thu 18/6

06:25-07:55

Nonstop1h 30m

London Gatwick

Thu 25/6

09:45-11:10

Nonstop1h 25m

£34

DublinLondon

DUB - LTN

DUBLTN

Dublin

Thu 4/6

20:00-21:15

Nonstop1h 15m

London Luton

Fri 5/6

06:20-07:40

Nonstop1h 20m

£35

DublinLondon

DUB - LTN

DUBLTN

Dublin

Mon 8/6

20:25-21:40

Nonstop1h 15m

London Luton

Mon 15/6

18:40-20:00

Nonstop1h 20m

£35

Flights are sorted by cheapest return flights first.

Deals found on 14/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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
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 Dublin to London

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 month to book a flight from Dublin to London?

Currently, January is the cheapest month in which you can book a flight from Dublin to London (average of £30). Flying from Dublin to London in November is currently the most expensive (average of £350). 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?

Find hourly flight availability from Dublin to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 May 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 52% on flights from Dublin to London by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly return from Dublin to London. Price data was last updated on 9 May 2026.

Travellers seeking maximum savings on their Dublin to London flight should consider departing on Wednesday evenings 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.

Weekly flight availability from Dublin to London

Explore weekly flight availability from Dublin to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 May 2026.

The most flights from DUB to LON are scheduled on a Friday (99 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (52 on average).

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

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 100 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.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 17 May 2026.
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
1,563 reviews
Check prices

Comfort

7.2

Overall

7.3

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!
Aer Lingus
7.3
Good
1,563 reviews
Aer Lingus
7.3
Good
1,563 reviews
Check prices

Comfort

7.2

Overall

7.3

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!
Ryanair
6.9
Okay
5,373 reviews
Aer Lingus
7.3
Good
1,563 reviews
Check prices

Comfort

7.2

Overall

7.3

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!
British Airways
6.7
Okay
7,981 reviews
Aer Lingus
7.3
Good
1,563 reviews
Check prices

Comfort

7.2

Overall

7.3

Entertainment

7.0

Boarding

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Henry,May 2026

CDG - DUB

The staff was friendly and efficient. The cabin was well maintained. The economy seats were comfortable. The fact that the flight was not packed contributed largely to this impression. We would fly Aer Lingus again!

Related info for your journey

Find useful and relevant information for your journey from Dublin to London. 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 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 69 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 15m. The distance from Dublin to London is about 269 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 £28. Other airlines that can offer you cheap pricing are British Airways, from £74, and Aer Lingus, from £102. These flights start at 65% 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 (£13), Ryanair (£17), 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 Luton 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 (91%), Qatar Airways (84%), British Airways( 82%).

  • What are the cheapest flights from Dublin to London?

    Looking at all options, your cheapest flight can be booked for £60. While the most popular route (Dublin - London Gatwick) can be booked for £28 on average, our data indicates £1,301 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, January is the cheapest month in which you can book a flight from Dublin to London (average of £30). Flying from Dublin to London in November is currently the most expensive (average of £350). 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
Milton Keynes
Hounslow
Croydon
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Southall
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Dublin to London

Discover the top 3 airlines that operate flights from Dublin to London. 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 858,174 searches. Data last updated 17 May 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£28Average£73FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£74Average£146FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£102Average£148FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 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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