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Cheap flights from Dublin to London from C$ 40

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LON
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 Wednesday 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 11 September 2025.

Round-trip from

C$ 72

One-way from

C$ 40

Popular in

August

Cheapest in

January

Average price

C$ 121

Good round-trip deal

C$ 179 or less

Good one-way deal

C$ 40 or less
Ryanair
  • Ryanair
  • 25/10-27/10
  • Nonstop
  • 2h 55m total
  • Dublin to London
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Ryanair
  • Ryanair
  • 21/9
  • Nonstop
  • 1h 30m total
  • Dublin to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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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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 11 September 2025.

Thu 18/94:20 p.m.DUB - LGW
Nonstop1h 30mRyanair
Mon 22/99:30 p.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 11/9C$ 72
Fri 10/1011:10 a.m.DUB - LGW
Nonstop1h 30mRyanair
Mon 13/109:30 p.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 9/9C$ 73
Thu 9/104:20 p.m.DUB - LGW
Nonstop1h 30mRyanair
Fri 17/108:55 a.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 8/9C$ 75
Mon 15/97:25 a.m.DUB - LGW
Nonstop1h 30mRyanair
Wed 17/910:00 p.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 9/9C$ 76
Fri 7/117:35 p.m.DUB - LGW
Nonstop1h 25mRyanair
Mon 10/114:10 p.m.LGW - DUB
Nonstop1h 15mRyanair
Deal found 11/9C$ 78
Fri 10/107:55 p.m.DUB - LGW
Nonstop1h 30mRyanair
Fri 17/1010:00 p.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 11/9C$ 80
Sat 13/96:05 p.m.DUB - LGW
Nonstop1h 30mRyanair
Mon 15/99:30 p.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 9/9C$ 82
Thu 25/96:15 a.m.DUB - LGW
Nonstop1h 30mRyanair
Mon 29/99:30 p.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 9/9C$ 83
Thu 18/97:50 a.m.DUB - LGW
Nonstop1h 30mRyanair
Sun 21/98:55 a.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 9/9C$ 85
Sun 14/97:55 a.m.DUB - LGW
Nonstop1h 30mRyanair
Thu 18/96:25 p.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 8/9C$ 86
Sun 26/106:35 a.m.DUB - LGW
Nonstop1h 25mRyanair
Sun 2/1110:10 a.m.LGW - DUB
Nonstop1h 25mRyanair
Deal found 11/9C$ 87
Wed 5/1110:20 a.m.DUB - LHR
Nonstop1h 35mBritish Airways
Sat 8/118:35 a.m.LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 11/9C$ 144

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 11 September 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 - LGW

DUBLGW

Dublin

Sat 25/10

7:25 p.m.-8:55 p.m.

Nonstop1h 30m

London Gatwick

Mon 27/10

9:40 a.m.-11:05 a.m.

Nonstop1h 25m

C$ 72

DublinLondon

DUB - LGW

DUBLGW

Dublin

Sat 22/11

8:35 p.m.-10:00 p.m.

Nonstop1h 25m

London Gatwick

Sun 23/11

10:10 a.m.-11:35 a.m.

Nonstop1h 25m

C$ 73

DublinLondon

DUB - LGW

DUBLGW

Dublin

Fri 31/10

7:35 p.m.-9:00 p.m.

Nonstop1h 25m

London Gatwick

Sun 2/11

10:10 a.m.-11:35 a.m.

Nonstop1h 25m

C$ 75

DublinLondon

DUB - LGW

DUBLGW

Dublin

Tue 14/10

3:25 p.m.-4:55 p.m.

Nonstop1h 30m

London Gatwick

Fri 17/10

8:55 a.m.-10:20 a.m.

Nonstop1h 25m

C$ 75

DublinLondon

DUB - LGW

DUBLGW

Dublin

Fri 10/10

11:10 a.m.-12:40 p.m.

Nonstop1h 30m

London Gatwick

Sat 11/10

7:20 p.m.-8:45 p.m.

Nonstop1h 25m

C$ 75

DublinLondon

DUB - LGW

DUBLGW

Dublin

Thu 9/10

4:20 p.m.-5:50 p.m.

Nonstop1h 30m

London Gatwick

Fri 17/10

8:55 a.m.-10:20 a.m.

Nonstop1h 25m

C$ 75

DublinLondon

DUB - LGW

DUBLGW

Dublin

Mon 22/9

6:25 a.m.-7:55 a.m.

Nonstop1h 30m

London Gatwick

Wed 24/9

8:50 a.m.-10:15 a.m.

Nonstop1h 25m

C$ 76

DublinLondon

DUB - LGW

DUBLGW

Dublin

Sun 16/11

6:35 a.m.-8:00 a.m.

Nonstop1h 25m

London Gatwick

Sun 30/11

8:25 a.m.-9:50 a.m.

Nonstop1h 25m

C$ 76

DublinLondon

DUB - LGW

DUBLGW

Dublin

Fri 7/11

7:35 p.m.-9:00 p.m.

Nonstop1h 25m

London Gatwick

Sun 9/11

9:35 p.m.-11:00 p.m.

Nonstop1h 25m

C$ 78

DublinLondon

DUB - LGW

DUBLGW

Dublin

Thu 27/11

6:30 p.m.-7:55 p.m.

Nonstop1h 25m

London Gatwick

Sat 29/11

4:45 p.m.-6:10 p.m.

Nonstop1h 25m

C$ 78

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 40 results
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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
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 round-trip flight from Dublin to London. Price data was last updated on 29 August 2025.

The best time to book flights from Dublin to London is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 560). Flying from Dublin to London in July is currently the most expensive (average of C$ 856). 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 11 September 2025.

It’s typically best to fly out from Dublin to London in the evening. Doing so could potentially save you 91% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Dublin to London. Price data was last updated on 7 September 2025.

Travelers seeking maximum savings on their Dublin to London flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday mornings 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 11 September 2025.

The most flights from DUB to LON are scheduled on a Thursday (117 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

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

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 11 September 2025.
Read reviews from past customers who have flown Ryanair and British 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.
Ryanair
6.8
Okay
5,158 reviews
Check prices

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Crew

7.5

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.
Ryanair
6.8
Okay
5,158 reviews
Ryanair
6.8
Okay
5,158 reviews
Check prices

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Crew

7.5

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.
British Airways
6.7
Okay
7,361 reviews
Ryanair
6.8
Okay
5,158 reviews
Check prices

Entertainment

5.6

Boarding

6.7

Comfort

6.5

Crew

7.5

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?

    For a flight from Dublin to London, you will be flying from Dublin. Dublin (DUB) is just 9.2 km from the centre of the city. Dublin is the only Dublin airport and it handles 74 outbound flights to London per day. 2 airlines have flights to London from Dublin on a regular basis.

  • How long is the flight from Dublin to London?

    A quick flight from Dublin to London can take about 1h 25m. Ryanair provides one of the quickest options available for as low as C$ 150. Dublin and London are separated by a distance of 449 km. All flights are typically direct.

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

    Currently priced at C$ 57, Ryanair will fly you from Dublin to London and back. In addition to Ryanair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on British Airways for as low as C$ 128. Ryanair is currently priced 62% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Ryanair, with whom users have recently found tickets for as low as C$ 40. However, be on the lookout for offers from Aer Lingus and British Airways, as they are both options that can get you from Dublin to London for a low price.

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

    Consider Air Canada (80%), British Airways (76%) or Aer Lingus (76%) 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 C$ 1,095 for a flight from Dublin to London. The cheapest flight overall is C$ 120 while the most popular route, (Dublin - London Gatwick) is currently priced at C$ 75.

  • 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 C$ 560). Flying from Dublin to London in July is currently the most expensive (average of C$ 856). 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
Brentford
Sutton
Hounslow
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

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Alternative routes for Dublin to London

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

Top 2 airlines flying from Dublin to London

Discover the top 2 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapestC$ 57AverageC$ 107FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapestC$ 128AverageC$ 176FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Deals for Dublin to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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?

Yes, we can. To see specific flights from Dublin to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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!

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