Cheap flights from Dublin to London from €20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to London departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Ryanair Logo
06:30 - 07:50DUB-STN
1h 20mdirect
Ryanair Logo
06:30 - 07:50STN-DUB
1h 20mdirect
€43Ryanair
Find Deal
Sun, 30 Nov - Sun, 7 Dec
Ryanair Logo
19:40 - 21:05DUB-LGW
1h 25mdirect
Ryanair Logo
21:30 - 22:55LGW-DUB
1h 25mdirect
€43Ryanair
Find Deal
Sat, 17 Jan - Mon, 19 Jan
Ryanair Logo
08:30 - 09:50DUB-STN
1h 20mdirect
Ryanair Logo
14:45 - 16:05STN-DUB
1h 20mdirect
€44Ryanair
Find Deal
Sun, 11 Jan - Wed, 14 Jan
Ryanair Logo
06:35 - 08:00DUB-LGW
1h 25mdirect
Ryanair Logo
21:40 - 23:05LGW-DUB
1h 25mdirect
€44Ryanair
Find Deal
Sun, 11 Jan - Wed, 14 Jan
Ryanair Logo
19:40 - 21:05DUB-LGW
1h 25mdirect
Ryanair Logo
21:40 - 23:05LGW-DUB
1h 25mdirect
€45Ryanair
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
22:00 - 23:20DUB-STN
1h 20mdirect
Multiple Airlines Logo
06:30 - 07:50STN-DUB
1h 20mdirect
€46Multiple Airlines
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Fri, 12 Dec - Mon, 15 Dec
British Airways Logo
20:40 - 22:00DUB-LHR
1h 20mdirect
British Airways Logo
12:35 - 14:05LHR-DUB
1h 30mdirect
€75British Airways
Find Deal
Mon, 12 Jan - Thu, 15 Jan
British Airways Logo
08:50 - 10:25DUB-LHR
1h 35mdirect
British Airways Logo
18:20 - 19:45LHR-DUB
1h 25mdirect
€80British Airways
Find Deal
Tue, 20 Jan - Thu, 29 Jan
British Airways Logo
20:40 - 22:00DUB-LHR
1h 20mdirect
British Airways Logo
10:45 - 12:15LHR-DUB
1h 30mdirect
€81British Airways
Find Deal
Sat, 17 Jan - Mon, 19 Jan
British Airways Logo
20:40 - 22:00DUB-LHR
1h 20mdirect
British Airways Logo
06:30 - 07:55LHR-DUB
1h 25mdirect
€82British Airways
Find Deal
Sat, 13 Dec - Mon, 15 Dec

British Airways flights from Dublin to London

Our best British Airways deals on Dublin to London flight tickets
British Airways
12 Jan
DUB20:40Dublin
1h 20m
LHR22:00London Heathrow
15 Jan
LHR12:35London Heathrow
1h 30m
DUB14:05Dublin
British Airways
20 Jan
DUB08:50Dublin
1h 35m
LHR10:25London Heathrow
29 Jan
LHR18:20London Heathrow
1h 25m
DUB19:45Dublin
British Airways
17 Jan
DUB20:40Dublin
1h 20m
LHR22:00London Heathrow
19 Jan
LHR10:45London Heathrow
1h 30m
DUB12:15Dublin

Air France flights from Dublin to London

Our best Air France deals on Dublin to London flight tickets
Air France
13 Nov
DUB08:45Dublin
7h 50m
1 stop
LHR16:35London Heathrow
16 Nov
LHR08:55London Heathrow
22h 55m
1 stop
DUB07:50Dublin
Air France
5 Nov
DUB08:55Dublin
4h 50m
1 stop
LHR13:45London Heathrow
12 Nov
LHR17:35London Heathrow
5h 20m
1 stop
DUB22:55Dublin
Air France
13 Nov
DUB08:45Dublin
5h 00m
1 stop
LHR13:45London Heathrow
15 Nov
LHR17:35London Heathrow
5h 20m
1 stop
DUB22:55Dublin

momondo 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, momondo users made 13,528 searches. Data last updated 4 November 2025.
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

DublinLondon

DUB - STN

DUBSTN

Dublin

Sun 30/11

06:30-07:50

Nonstop1h 20m

London Stansted

Sun 7/12

06:30-07:50

Nonstop1h 20m

€43

DublinLondon

DUB - LGW

DUBLGW

Dublin

Sat 17/1

19:40-21:05

Nonstop1h 25m

London Gatwick

Mon 19/1

21:30-22:55

Nonstop1h 25m

€43

DublinLondon

DUB - STN

DUBSTN

Dublin

Sun 11/1

08:30-09:50

Nonstop1h 20m

London Stansted

Wed 14/1

14:45-16:05

Nonstop1h 20m

€44

DublinLondon

DUB - LGW

DUBLGW

Dublin

Sun 11/1

06:35-08:00

Nonstop1h 25m

London Gatwick

Wed 14/1

21:40-23:05

Nonstop1h 25m

€44

DublinLondon

DUB - LGW

DUBLGW

Dublin

Wed 3/12

19:40-21:05

Nonstop1h 25m

London Gatwick

Wed 10/12

21:40-23:05

Nonstop1h 25m

€45

DublinLondon

DUB - STN

DUBSTN

Dublin

Fri 12/12

22:00-23:20

Nonstop1h 20m

London Stansted

Mon 15/12

06:30-07:50

Nonstop1h 20m

€46

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 12/1

20:40-22:00

Nonstop1h 20m

London Heathrow

Thu 15/1

12:35-14:05

Nonstop1h 30m

€75

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 20/1

08:50-10:25

Nonstop1h 35m

London Heathrow

Thu 29/1

18:20-19:45

Nonstop1h 25m

€80

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

20:40-22:00

Nonstop1h 20m

London Heathrow

Mon 19/1

10:45-12:15

Nonstop1h 30m

€81

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 13/12

20:40-22:00

Nonstop1h 20m

London Heathrow

Mon 15/12

06:30-07:55

Nonstop1h 25m

€82

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Dublin to London

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 cheapest month to fly to London?

In general, January is the cheapest month to fly from Dublin to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €65. If you are unable to visit London during the month of January, then departing from Dublin during the month September is also very affordable. Most momondo users find prices during this month for around €75.

What is the cheapest day to depart on your flight to London?

Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as €312. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to London for around €686.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as €195. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €776.

What is the cheapest Dublin to London flight route?

Fly from Dublin to London Stansted for the best Dublin - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around €144 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Dublin for as low as €102 on momondo.

What cabin class options are available on Dublin to London flights?

There are 3 cabin classes available to choose from on Dublin to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to London flights?

No. A direct flight is the cheapest option for a flight between Dublin to London.

How have Dublin to London flight prices changed over time?

As of November 2025, prices for Dublin to London flights are approximately 58% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to London

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to London (DUB to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to London

Best price found

€75

Fastest flight time

1h 15m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from Dublin in the past 72 hours is €75. The best return flight deal from Dublin to London found on momondo in the last 72 hours is €61.
The fastest flight from Dublin to London takes 1h 15m
Direct flights go from Dublin to London every day.
There is 1 airport near London: London Luton (LTN)
  • How far is Dublin to London by plane?

    The distance between Dublin and London is about 463.4 km. A reasonable flight in good conditions will take 1h 15m.

  • When did momondo last update prices for flights from Dublin Airport to London?

    Prices for flights from Dublin Airport to London were last updated today.

  • How many operators does momondo search for flights from Dublin Airport to London?

  • How old do you have to be to fly from Dublin Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Dublin to London?

  • What is the most popular airline from Dublin to London?

Best airlines flying from Dublin to London

Compare and see reviews for airlines that fly from Dublin to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €84Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
Aer LingusPriceFrom €105Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From Dublin to London

    Across 121 Aer Lingus flights from Dublin to London this week, the average price was €179, with the best Aer Lingus deals starting from €105 round-trip. 1,365 users have rated Aer Lingus on momondo, with an average score of 7.2/10.

  • British Airways Flights From Dublin to London

    Another popular option for Dublin to London flights is British Airways (6.7/10, 7,494 ratings). British Airways flies from Dublin to London around 116 times per week, with deals starting from €84 round-trip and rising to an average price of around €156.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Croydon
Southend-on-Sea
Watford
Gatwick
Surbiton
Luton
Chichester
Bishop's Stortford
Chelmsford
Milton Keynes
Aylesbury
St. Albans
Stansted
Ilford
Dorking
High Wycombe
Abingdon
Dartford
Maidstone
Eastbourne

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Dublin.

Can I find flights from Dublin to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Dublin to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Dublin to London?

Once all potential Dublin to London 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 Dublin to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Dublin. 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 London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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1 adult
Thu 4/12
Thu 11/12

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London