Cheap flights from Dublin to London from $80

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LON
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Dublin to London are usually found in January or November, booked 56 days in advance, depart on a Tuesday or Sunday and return on a Thursday

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 29 August 2025.

Round-trip from

$156

One-way from

$80

Popular in

August

Cheapest in

January

Average price

$207

Good round-trip deal

$671 or less

Good one-way deal

$30 or less
British Airways
  • British Airways
  • 5/11-8/11
  • Nonstop
  • 3h 05m total
  • Dublin to London
British Airways
  • British Airways
  • 9/10
  • Nonstop
  • 1h 30m total
  • Dublin to London
Highest demand for flights based on searches. 4% potential increase in price ($10 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Dublin to London (LON).
Price to beat on a one-way flight from Dublin to London (LON).

Find flight deals from Dublin to London

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 29 August 2025.

Wed 5/1110:20DUB - LHR
Nonstop1h 35mBritish Airways
Sat 8/1112:50LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 27/8$156
Wed 1/1017:55DUB - LHR
Nonstop1h 20mBritish Airways
Tue 7/1018:10LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 26/8$158
Fri 14/1115:00DUB - LHR
Nonstop1h 25mBritish Airways
Sun 16/1116:10LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 28/8$159
Sat 13/1220:40DUB - LHR
Nonstop1h 20mBritish Airways
Sun 14/1218:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 27/8$161
Fri 7/1118:15DUB - LHR
Nonstop1h 20mBritish Airways
Mon 10/1112:50LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 28/8$162
Tue 7/1010:30DUB - LHR
Nonstop1h 30mBritish Airways
Thu 9/1006:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 27/8$164
Thu 9/1011:00DUB - LHR
Nonstop1h 30mBritish Airways
Fri 10/1006:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 28/8$166
Sat 6/1213:10DUB - LHR
Nonstop1h 25mBritish Airways
Wed 10/1218:15LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 28/8$167
Fri 21/1118:15DUB - LHR
Nonstop1h 20mBritish Airways
Tue 25/1115:35LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 27/8$169
Tue 28/1017:05DUB - LHR
Nonstop1h 20mBritish Airways
Thu 30/1006:30LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 27/8$170
Thu 2/1008:35DUB - LHR
Nonstop1h 35mBritish Airways
Thu 2/1016:30LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 27/8$172
Thu 2/1008:35DUB - LHR
Nonstop1h 35mBritish Airways
Thu 9/1006:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 28/8$173

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 29 August 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 5/11

10:20-11:55

Nonstop1h 35m

London Heathrow

Sat 8/11

12:50-14:20

Nonstop1h 30m

$156

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 1/10

17:55-19:15

Nonstop1h 20m

London Heathrow

Tue 7/10

18:10-19:35

Nonstop1h 25m

$158

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 21/11

18:15-19:35

Nonstop1h 20m

London Heathrow

Sun 23/11

18:20-19:45

Nonstop1h 25m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 14/11

15:00-16:25

Nonstop1h 25m

London Heathrow

Sun 16/11

16:10-17:40

Nonstop1h 30m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 9/12

10:55-12:30

Nonstop1h 35m

London Heathrow

Sat 13/12

06:30-07:55

Nonstop1h 25m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

10:55-12:30

Nonstop1h 35m

London Heathrow

Mon 19/1

18:15-19:40

Nonstop1h 25m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 3/12

20:40-22:00

Nonstop1h 20m

London Heathrow

Tue 16/12

18:15-19:40

Nonstop1h 25m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 30/1

20:35-21:55

Nonstop1h 20m

London Heathrow

Mon 2/2

12:50-14:20

Nonstop1h 30m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 26/1

13:00-14:25

Nonstop1h 25m

London Heathrow

Sun 1/2

17:10-18:40

Nonstop1h 30m

$159

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 27/11

20:40-22:00

Nonstop1h 20m

London Heathrow

Wed 10/12

08:10-09:35

Nonstop1h 25m

$161

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 18 results
1
2

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 22 August 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 56 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, October is the cheapest month in which you can book a flight from Dublin to London (average of $1,037). Flying from Dublin to London in December is currently the most expensive (average of $1,667). 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 29 August 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 91% 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 29 August 2025.

The most flights from DUB to LON are scheduled on a Thursday (113 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

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 29 August 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.

Crew

7.5

Boarding

6.7

Entertainment

5.6

Comfort

6.5

Overall

6.8

Food

6.0

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.

Crew

7.5

Boarding

6.7

Entertainment

5.6

Comfort

6.5

Overall

6.8

Food

6.0

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.

Crew

7.5

Boarding

6.7

Entertainment

5.6

Comfort

6.5

Overall

6.8

Food

6.0

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 71 flights from Dublin to London per day from 0 different airlines.

  • 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 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 (79%), British Airways (74%), American Airlines( 74%).

  • What are the cheapest flights from Dublin to London?

    The cheapest flight price from Dublin to London is $103. On average you can expect to pay $666. 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, October is the cheapest month in which you can book a flight from Dublin to London (average of $1,037). Flying from Dublin to London in December is currently the most expensive (average of $1,667). 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
Horsham
Southall
Chatham
Dover
Dorking
Chertsey

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Alternative routes for Dublin to London

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

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