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$24+ Cheap flights from Dublin (DUB) to London (LON)

DUB — LON
Sep 30 — Oct 71
Wed 9/30
Wed 10/7
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Dublin to London are usually found in January or August, booked 41 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Dublin to London

Cheapest flights from Dublin to London

Thu 9/107:50 am -
Nonstop1h 30m
Thu 9/109:30 pm -
Nonstop1h 25m
Deal found 8/27$51
Thu 9/106:25 am -
Nonstop1h 30m
Sun 9/138:55 am -
Nonstop1h 25m
Deal found 8/26$52
Fri 9/116:50 am -
Nonstop1h 30m
Sat 9/1212:05 pm -
Nonstop1h 25m
Deal found 8/28$53
Fri 10/166:50 am -
Nonstop1h 30m
Mon 10/199:30 pm -
Nonstop1h 25m
Deal found 8/28$54
Sat 9/124:50 pm -
Nonstop1h 30m
Sat 9/128:20 pm -
Nonstop1h 25m
Deal found 8/28$55
Sun 10/116:45 am -
Nonstop1h 30m
Sun 10/189:50 am -
Nonstop1h 25m
Deal found 8/27$56
Wed 9/27:50 am -
Nonstop1h 30m
Thu 9/39:45 am -
Nonstop1h 25m
Deal found 8/26$57
Thu 9/36:25 am -
Nonstop1h 30m
Sun 9/68:55 am -
Nonstop1h 25m
Deal found 8/27$58
Fri 9/186:50 am -
Nonstop1h 30m
Mon 9/219:30 pm -
Nonstop1h 25m
Deal found 8/27$59
Fri 9/257:55 pm -
Nonstop1h 30m
Sun 9/278:55 am -
Nonstop1h 25m
Deal found 8/27$60
Wed 11/48:40 pm -
Nonstop1h 20m
Wed 11/113:25 pm -
Nonstop1h 30m
Deal found 8/30$110
Sat 10/37:00 pm -
Nonstop1h 20m
Wed 10/77:35 pm -
Nonstop1h 20m
Deal found 8/28$112

Find flight deals from Dublin to London

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$51
(Ryanair)

One-way from

$24
(Ryanair)

Popular in

June

Cheapest in

January

Average price

$89

Good round-trip deal

$51 or less

Good one-way deal

$36 or less
Provider with most accurate pricing for Dublin-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Dublin-London (LON) flights.
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From Dublin to London (LON)
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One-way flight from Dublin to London (LON)
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in August 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 round-trip

DublinLondon

DUB Dublin - LGW London Gatwick

DUBLGW

Dublin

Sat 11/7

3:55 pm-5:20 pm

Nonstop1h 25m

London Gatwick

Sun 11/8

8:25 am-9:45 am

Nonstop1h 20m

$53

DublinLondon

DUB Dublin - LGW London Gatwick

DUBLGW

Dublin

Mon 10/26

7:00 am-8:25 am

Nonstop1h 25m

London Gatwick

Wed 10/28

9:40 pm-11:00 pm

Nonstop1h 20m

$53

DublinLondon

DUB Dublin - LGW London Gatwick

DUBLGW

Dublin

Fri 10/16

6:50 am-8:20 am

Nonstop1h 30m

London Gatwick

Mon 10/19

9:30 pm-10:55 pm

Nonstop1h 25m

$54

DublinLondon

DUB Dublin - LGW London Gatwick

DUBLGW

Dublin

Sun 10/25

6:30 am-7:55 am

Nonstop1h 25m

London Gatwick

Sun 10/25

8:10 pm-9:30 pm

Nonstop1h 20m

$55

DublinLondon

DUB Dublin - LGW London Gatwick

DUBLGW

Dublin

Fri 9/25

7:55 pm-9:25 pm

Nonstop1h 30m

London Gatwick

Sun 9/27

8:55 am-10:20 am

Nonstop1h 25m

$60
Quickest round-trip

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Thu 12/24

8:40 pm-10:00 pm

Nonstop1h 20m

London Heathrow

Fri 1/1

6:25 pm-7:45 pm

Nonstop1h 20m

$118

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Wed 9/30

7:45 pm-9:00 pm

Nonstop1h 15m

London Heathrow

Fri 10/2

4:30 pm-5:55 pm

Nonstop1h 25m

$124

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Mon 11/23

8:45 am-10:15 am

Nonstop1h 30m

London Heathrow

Mon 11/23

1:25 pm-2:55 pm

Nonstop1h 30m

$132

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Mon 10/19

8:30 am-10:05 am

Nonstop1h 35m

London Heathrow

Mon 10/19

6:10 pm-7:35 pm

Nonstop1h 25m

$136

DublinLondon

DUB Dublin - LHR London Heathrow

DUBLHR

Dublin

Fri 10/16

8:10 pm-9:25 pm

Nonstop1h 15m

London Heathrow

Mon 10/19

6:10 pm-7:35 pm

Nonstop1h 25m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

Showing 1-10 of 33 resultsSorted by cheapest first
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Compare providers for flights from Dublin to London

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to London in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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, January is the cheapest month in which you can book a flight from Dublin to London (average of $108). Flying from Dublin to London in June is currently the most expensive (average of $159). 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?

When flying from Dublin to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 52% versus a flight in the afternoon.

Weekly flight availability from Dublin to London

The most flights from DUB to LON are scheduled on a Sunday (98 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (61 on average).

How much does it cost to fly round-trip from Dublin to London?

Airfare is below average for this route at the moment.
Dublin to London flights typically cost between $58 and $173 in September.
The cheapest round-trip price found within the last 5 days was $51 on Ryanair (Sep 10-Sep 10).

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 102 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 last 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 70 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?

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

The best insider tips for Dublin to London flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to London trip
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on Ryanair

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Reviews of airlines servicing London

See what other customers who have flown with Aer Lingus,Ryanair, andBritish Airways from Dublin to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,736 reviews

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.5

Entertainment

7.0

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

DUB - BCN

Would have been nice to have a plane that was equipped with a screen to watch a movie enroute to Barcelona, but all good. Flight and crew was excellent. Much appreciated the updates from captain and Kayak about the flight delay due the weather. It’s nice to be kept informed. Will Aer Lingus for future flights, and definitely through Kayak
Aer Lingus
7.3
Good
1,736 reviews
Aer Lingus
7.3
Good
1,736 reviews

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.5

Entertainment

7.0

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

DUB - BCN

Would have been nice to have a plane that was equipped with a screen to watch a movie enroute to Barcelona, but all good. Flight and crew was excellent. Much appreciated the updates from captain and Kayak about the flight delay due the weather. It’s nice to be kept informed. Will Aer Lingus for future flights, and definitely through Kayak
Ryanair
6.9
Okay
5,486 reviews
Aer Lingus
7.3
Good
1,736 reviews

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.5

Entertainment

7.0

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

DUB - BCN

Would have been nice to have a plane that was equipped with a screen to watch a movie enroute to Barcelona, but all good. Flight and crew was excellent. Much appreciated the updates from captain and Kayak about the flight delay due the weather. It’s nice to be kept informed. Will Aer Lingus for future flights, and definitely through Kayak
British Airways
6.7
Okay
8,198 reviews
Aer Lingus
7.3
Good
1,736 reviews

Crew

8.1

Food

6.7

Comfort

7.2

Boarding

7.5

Entertainment

7.0

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2026

DUB - BCN

Would have been nice to have a plane that was equipped with a screen to watch a movie enroute to Barcelona, but all good. Flight and crew was excellent. Much appreciated the updates from captain and Kayak about the flight delay due the weather. It’s nice to be kept informed. Will Aer Lingus for future flights, and definitely through Kayak

Related info for your journey

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

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly out of when you book flights from Dublin to London. 3 airlines have flights from Dublin to London on a regular basis. Booking flights from Dublin to London should not be difficult; the airport handles an average of 74 outbound flights to London per day.

  • How long is the flight from Dublin to London?

    A quick flight from Dublin to London can take about 1h 20m. Ryanair provides one of the quickest options available for as low as $118. Airlines will cover a distance of 279 mi. Most flights are nonstop.

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

    According to our current data, Ryanair ($39), British Airways ($99), and Aer Lingus ($135) offers the cheapest pricing from Dublin to London. Ryanair is priced at 63% lower than the current average price of a flight leaving 3 months from now.

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

    $18 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on British Airways and Aer Lingus, with prices starting from $56 and $66, respectively.

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

    Consider Air Canada (79%), Aer Lingus (72%) or British Airways (71%) when booking your flight. These represent the most reliable airlines when flying from Dublin to London.

  • What are the cheapest flights from Dublin to London?

    On average you can expect to pay $1,433 for a flight from Dublin to London. The cheapest flight overall is $74 while the most popular route, (Dublin - London Gatwick) is currently priced at $38.

  • 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 vacation 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 $108). Flying from Dublin to London in June is currently the most expensive (average of $159). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Winchester
Eastleigh
Gatwick
Hounslow
Harrow
Wembley
Southend-on-Sea
Basingstoke
Watford
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

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Top 3 airlines flying from Dublin to London

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$39Average$81FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$99Average$192FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$135Average$203FlexibilityNo cancel feeOn-timeN/A

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