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Cheap flights from Brighton to Dublin from £20

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DUB
18 Apr — 25 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Brighton to Dublin are usually found in January or September, booked 28 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Brighton to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Brighton to Dublin
Explore the most affordable flight options available from Brighton to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 March 2026.

Sat 21/320:10
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sat 28/319:40
DUB
-
LGW
Nonstop1h 25m
Ryanair
Deal found 15/3£37
Sat 21/321:00
LTN
-
DUB
Nonstop1h 15m
Ryanair
Tue 24/307:20
DUB
-
LTN
Nonstop1h 15m
Ryanair
Deal found 15/3£37
Tue 24/306:30
STN
-
DUB
Nonstop1h 20m
Ryanair
Fri 27/322:00
DUB
-
STN
Nonstop1h 20m
Ryanair
Deal found 15/3£37
Sun 3/509:50
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 10/506:45
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 19/3£38
Fri 24/420:25
LTN
-
DUB
Nonstop1h 20m
Ryanair
Mon 27/414:10
DUB
-
LTN
Nonstop1h 15m
Ryanair
Deal found 14/3£38
Tue 31/322:00
STN
-
DUB
Nonstop1h 20m
Ryanair
Thu 2/406:30
DUB
-
STN
Nonstop1h 20m
Ryanair
Deal found 17/3£38
Sat 11/408:50
LGW
-
DUB
Nonstop1h 25m
Ryanair
Mon 13/418:30
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 14/3£38
Fri 17/406:20
LTN
-
DUB
Nonstop1h 20m
Ryanair
Sun 19/407:05
DUB
-
LTN
Nonstop1h 15m
Ryanair
Deal found 17/3£38
Fri 24/418:00
STN
-
DUB
Nonstop1h 20m
Ryanair
Sun 26/408:30
DUB
-
STN
Nonstop1h 20m
Ryanair
Deal found 15/3£38
Tue 24/309:40
LGW
-
DUB
Nonstop1h 25m
Ryanair
Tue 31/316:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 16/3£39
Thu 16/413:00
LTN
-
DUB
Nonstop1h 20m
Ryanair
Thu 16/420:00
DUB
-
LTN
Nonstop1h 15m
Ryanair
Deal found 17/3£39
Thu 16/406:30
STN
-
DUB
Nonstop1h 20m
Multiple Airlines
Thu 16/422:00
DUB
-
STN
Nonstop1h 20m
Multiple Airlines
Deal found 17/3£39

Find flight deals from Brighton to Dublin

Keep the following information in mind while searching for Brighton to Dublin flight deals. Data was last updated 19 March 2026.

Round-trip from

£37

One-way from

£20

Popular in

December

Cheapest in

January

Average price

£76
Ryanair
  • Ryanair
  • 6/5-10/5
  • Nonstop
  • 2h 55m total
  • Brighton to Dublin
Search Deals
Ryanair
  • Ryanair
  • 7/4
  • Nonstop
  • 1h 25m total
  • Brighton to Dublin
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Brighton to Dublin 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 858,174 searches. Data last updated 19 March 2026.
Use the filters below to find and compare flights from Brighton to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Thu 9/4

17:30-18:55

Nonstop1h 25m

Dublin

Sun 12/4

06:45-08:15

Nonstop1h 30m

£38
Fastest return journey

LondonDublin

LTN - DUB

LTNDUB

London Luton

Fri 24/4

20:25-21:45

Nonstop1h 20m

Dublin

Mon 27/4

14:10-15:25

Nonstop1h 15m

£38

LondonDublin

LTN - DUB

LTNDUB

London Luton

Fri 17/4

06:20-07:40

Nonstop1h 20m

Dublin

Mon 20/4

10:10-11:25

Nonstop1h 15m

£40

LondonDublin

STN - DUB

STNDUB

London Stansted

Sun 5/4

08:30-09:50

Nonstop1h 20m

Dublin

Tue 7/4

22:00-23:20

Nonstop1h 20m

£45

LondonDublin

STN - DUB

STNDUB

London Stansted

Sat 16/5

22:00-23:20

Nonstop1h 20m

Dublin

Sun 17/5

06:30-07:50

Nonstop1h 20m

£46

LondonDublin

LTN - DUB

LTNDUB

London Luton

Sat 16/5

21:25-22:45

Nonstop1h 20m

Dublin

Sun 17/5

07:05-08:20

Nonstop1h 15m

£47

LondonDublin

LTN - DUB

LTNDUB

London Luton

Fri 10/4

06:20-07:40

Nonstop1h 20m

Dublin

Sun 12/4

07:05-08:20

Nonstop1h 15m

£47

LondonDublin

LTN - DUB

LTNDUB

London Luton

Tue 14/4

13:10-14:30

Nonstop1h 20m

Dublin

Wed 15/4

14:15-15:30

Nonstop1h 15m

£47

LondonDublin

LTN - DUB

LTNDUB

London Luton

Sun 5/4

09:00-10:20

Nonstop1h 20m

Dublin

Tue 7/4

21:35-22:50

Nonstop1h 15m

£47

LondonDublin

LTN - DUB

LTNDUB

London Luton

Wed 3/6

06:15-07:35

Nonstop1h 20m

Dublin

Fri 5/6

22:10-23:25

Nonstop1h 15m

£49

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Brighton to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Brighton 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 Brighton to Dublin

How far ahead should I book a flight from Brighton to Dublin?

Use this chart to determine the optimal time to book a return flight from Brighton to Dublin. Price data was last updated on 13 March 2026.

The price you pay for your flight from Brighton to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 28 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 Brighton to Dublin?

Currently, March is the cheapest month in which you can book a flight from Brighton to Dublin (average of £27). Flying from Brighton to Dublin in December is currently the most expensive (average of £40). 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 BH9 to DUB?

Find hourly flight availability from Brighton to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 March 2026.

One of the essential ways to save on airfare from Brighton to Dublin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 38% on airfare.

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

Use this chart to determine the cheapest time to fly return from Brighton to Dublin. Price data was last updated on 14 March 2026.

Travellers seeking maximum savings on their Brighton to Dublin flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Brighton to Dublin

Explore weekly flight availability from Brighton to Dublin. 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 19 March 2026.

The most flights from BH9 to DUB are scheduled on a Thursday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 on average).

How much does it cost for a return flight from Brighton to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated 19 March 2026.
Check out reviews from past customers who have flown with Aer Lingus,Ryanair, andBritish Airways from Brighton to Dublin 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.
Aer Lingus
7.2
Good
1,477 reviews
Check prices

Crew

8.1

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.2
Good
1,477 reviews
Aer Lingus
7.2
Good
1,477 reviews
Check prices

Crew

8.1

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Ryanair
6.9
Okay
5,297 reviews
Aer Lingus
7.2
Good
1,477 reviews
Check prices

Crew

8.1

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
British Airways
6.7
Okay
7,802 reviews
Aer Lingus
7.2
Good
1,477 reviews
Check prices

Crew

8.1

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Ryanair
6.4
Okay
Aer Lingus
7.2
Good
1,477 reviews
Check prices

Crew

8.1

Boarding

7.4

Entertainment

7.0

Comfort

7.1

Food

6.6

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

Find useful and relevant information for your journey from Brighton to Dublin. 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 into for flights to Dublin from Brighton?

    Most people fly into Dublin (DUB) if they book a flight to Dublin from Brighton. On average, Dublin has 58 inbound flights from Brighton per day from 4 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

  • How long is the flight from Brighton to Dublin?

    Ryanair and British Airways can get you from Brighton to Dublin in just under 1h 25m. Your travel time will be generally consistent. Brighton and Dublin are separated by a distance of 300 mi. Generally, flights for this route are direct.

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

    The cheapet airlines for a one-way flight from Brighton to Dublin are Ryanair (£13), Ryanair (£15), and British Airways (£45).

  • What are the most popular routes from Brighton to Dublin?

    The most popular flight routes from Brighton to Dublin are London Heathrow - Dublin, London Gatwick - Dublin and London City - Dublin.

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

    Consider LATAM Airlines (94%), Japan Airlines (94%) or Kenya Airways (94%) when booking your flight. These represent the most reliable airlines when flying from Brighton to Dublin.

  • What are the cheapest flights from Brighton to Dublin?

    Looking for the cheapest flight from Brighton to Dublin? While on average our users pay £390, our data indicates the cheapest price to be £73. The most popular route (London Heathrow - Dublin), is priced around £74.

  • Can I find deals for flights from Brighton to Dublin that include hotel bookings?

    Yes. In addition to deals on Brighton to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Brighton to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Brighton to Dublin.

  • Can I find deals for business class flights from Brighton to Dublin?

    Yes. Cheapflights offers flight deals from Brighton to Dublin 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 Brighton to Dublin?

    Currently, March is the cheapest month in which you can book a flight from Brighton to Dublin (average of £27). Flying from Brighton to Dublin in December is currently the most expensive (average of £40). 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Arklow
Tullamore
Cavan
Portmarnock
Dundalk
Wicklow
Enniscorthy
Bray
Mullingar
Drogheda
Kildare
Malahide
Maynooth
Swords
Carlingford

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.

Top 4 airlines flying from Brighton to Dublin

Discover the top 4 airlines that operate flights from Brighton to Dublin. 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 858,174 searches. Data last updated 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£70FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£70Average£163FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£73Average£180FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£143Average£156FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Brighton to Dublin?

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Brighton to Dublin for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Dublin from Brighton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Brighton to Dublin become cheaper?

Yes! Start tracking prices for Brighton to Dublin flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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