Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Dublin to London from $71

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LON
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Dublin to London are usually found in January or September, booked 63 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Find 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 21 November 2025.

Sat 6/1217:55DUB - LHR
Nonstop1h 20mBritish Airways
Mon 8/1215:20LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 19/11$178
Sat 6/1217:55DUB - LHR
Nonstop1h 20mBritish Airways
Wed 10/1215:30LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 19/11$184
Sat 13/1217:55DUB - LHR
Nonstop1h 20mBritish Airways
Mon 15/1212:50LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 20/11$192
Sat 6/1217:55DUB - LHR
Nonstop1h 20mBritish Airways
Mon 15/1212:50LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 21/11$193
Sat 6/1217:55DUB - LHR
Nonstop1h 20mBritish Airways
Sun 7/1208:25LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 19/11$196
Sat 29/1117:55DUB - LHR
Nonstop1h 20mBritish Airways
Tue 9/1215:35LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 19/11$199
Fri 19/1220:35DUB - LHR
Nonstop1h 20mBritish Airways
Fri 26/1206:30LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 21/11$202
Wed 10/1220:40DUB - LHR
Nonstop1h 20mBritish Airways
Sat 13/1218:25LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 20/11$204
Tue 23/1220:40DUB - LHR
Nonstop1h 20mBritish Airways
Fri 2/106:30LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 21/11$207

Cheap 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 21 November 2025.

Round-trip from

$142

One-way from

$71

Popular in

December

Cheapest in

January

Average price

$167

Good one-way deal

$73 or less
British Airways
  • British Airways
  • 20/1-27/1
  • Nonstop
  • 3h 05m total
  • Dublin to London
Search Deals
British Airways
  • British Airways
  • 6/2
  • Nonstop
  • 1h 20m total
  • Dublin to London
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 647,157 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Dublin to London that are best for you.

Fly from

Dublin

Fly to

London

Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 28/1

08:50-10:25

Nonstop1h 35m

London Heathrow

Wed 4/2

08:10-09:35

Nonstop1h 25m

$142

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 21/1

20:40-22:00

Nonstop1h 20m

London Heathrow

Fri 23/1

06:30-07:55

Nonstop1h 25m

$148

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 6/2

20:35-21:55

Nonstop1h 20m

London Heathrow

Tue 10/2

13:50-15:20

Nonstop1h 30m

$148

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 30/1

20:35-21:55

Nonstop1h 20m

London Heathrow

Mon 2/2

06:30-07:55

Nonstop1h 25m

$151

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 31/1

15:10-16:35

Nonstop1h 25m

London Heathrow

Tue 3/2

06:30-07:55

Nonstop1h 25m

$151

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 10/1

20:40-22:00

Nonstop1h 20m

London Heathrow

Mon 12/1

08:25-09:50

Nonstop1h 25m

$151

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 27/1

18:00-19:20

Nonstop1h 20m

London Heathrow

Wed 4/2

12:50-14:20

Nonstop1h 30m

$151

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 30/1

20:35-21:55

Nonstop1h 20m

London Heathrow

Wed 4/2

08:10-09:35

Nonstop1h 25m

$153

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 16/1

20:35-21:55

Nonstop1h 20m

London Heathrow

Mon 19/1

12:50-14:20

Nonstop1h 30m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 8/1

20:40-22:00

Nonstop1h 20m

London Heathrow

Sat 10/1

13:35-15:05

Nonstop1h 30m

$161

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 21 results
1
2
3

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?

Use this chart to determine the optimal time to book a return flight from Dublin to London. Price data was last updated on 14 November 2025.

The price you pay for your flight from Dublin to London may vary depending on when you book. For the best chance of a lower fare, look to book 63 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 Dublin to London?

Currently, February is the cheapest month in which you can book a flight from Dublin to London (average of $53). Flying from Dublin to London in December is currently the most expensive (average of $76). 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 21 November 2025.

One of the essential ways to save on airfare from Dublin to London is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 82% on airfare.

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 21 November 2025.

The most flights from DUB to LON are scheduled on a Thursday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (42 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 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 Sunday 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, Delta have had the lowest number of delays on this route, with no flights being classified as 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 21 November 2025.
Check out reviews from past customers who have flown with Ryanair and British Airways from Dublin to London 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.
Ryanair
6.8
Okay
5,199 reviews
Check prices

Comfort

6.5

Entertainment

5.6

Food

6.0

Crew

7.5

Boarding

6.7

Overall

6.8

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.
Ryanair
6.8
Okay
5,199 reviews
Ryanair
6.8
Okay
5,199 reviews
Check prices

Comfort

6.5

Entertainment

5.6

Food

6.0

Crew

7.5

Boarding

6.7

Overall

6.8

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.
British Airways
6.7
Okay
7,534 reviews
Ryanair
6.8
Okay
5,199 reviews
Check prices

Comfort

6.5

Entertainment

5.6

Food

6.0

Crew

7.5

Boarding

6.7

Overall

6.8

Reviews

1 / 20
4.0
Okay

Mark,May 2025

BCN - STN

Departed an hour late, with zero indication that that would be the case, very poor communication / acknowledgement of the delay, with no explanation.

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?

    If you book a flight to London from Dublin, you will be flying from Dublin, which is the city’s only airport. Dublin (DUB) is located 9.2 km from the centre of Dublin. There are 63 flights from Dublin to London per day from 1 airline.

  • How long is the flight from Dublin to London?

    Airlines like British Airways fly from Dublin to London in about 1h 35m. The time it takes to get you to your destination is usually consistent. The distance between Dublin and London is about 449 km. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from Dublin to London round-trip?

    Currently priced at $170, British Airways will fly you from Dublin to London and back. In addition to British Airways, many other airlines offer competitively priced options for your trip.

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

    Before booking your flight to London from Dublin, have a look at the most reliable airlines to get you to your destination on time: Air Canada (76%), Aer Lingus (74%), British Airways( 74%).

  • What are the cheapest flights from Dublin to London?

    The cheapest flight price from Dublin to London is $149. On average you can expect to pay $178. The most popular route, (Dublin - London Heathrow), can usually be booked for $100.

  • 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, February is the cheapest month in which you can book a flight from Dublin to London (average of $53). Flying from Dublin to London in December is currently the most expensive (average of $76). 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
Kingston upon Thames
Hounslow
Horsham
Southall
Chatham
Dorking
Dover
Braintree
Chertsey

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dublin to London

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Heathrow flights
Dublin to Edinburgh flights

Top airline flying from Dublin to London

Discover the top airline 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 647,157 searches. Data last updated 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$170Average$239FlexibilityNo 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 Dublin to London?

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 London from Dublin today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Dublin to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Dublin to London with no change fees.

Can Cheapflights notify me if prices for flights from Dublin to London 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.