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Cheap flights from Southampton to Dublin from £47

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — DUB
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Southampton Eastleigh to Dublin are usually found in January or February, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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Cheapest flights from Southampton to Dublin
Explore the most affordable flight options available from Southampton to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2025.

Sun 30/1109:30SOU - DUB
Nonstop1h 40mAer Lingus
Wed 3/1213:55DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 18/11£117
Tue 9/1209:20SOU - DUB
1 stop8h 20mMultiple Airlines
Wed 10/1218:00DUB - SOU
Nonstop1h 40mMultiple Airlines
Deal found 19/11£119
Mon 1/1208:30SOU - DUB
2 stops23h 20mMultiple Airlines
Wed 3/1210:10DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 18/11£122
Tue 16/1216:05SOU - DUB
Nonstop1h 35mAer Lingus
Fri 19/1207:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 18/11£123
Thu 11/1220:10SOU - DUB
Nonstop1h 40mAer Lingus
Sat 13/1207:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 19/11£124
Wed 10/1220:10SOU - DUB
Nonstop1h 40mAer Lingus
Fri 12/1207:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 19/11£126
Thu 11/1217:55SOU - DUB
1 stop4h 30mMultiple Airlines
Sat 13/1207:00DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 19/11£134
Tue 16/1209:20SOU - DUB
1 stop8h 20mMultiple Airlines
Fri 19/1207:00DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 18/11£138
Sun 23/1109:30SOU - DUB
Nonstop1h 40mAer Lingus
Fri 28/1107:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 19/11£143
Wed 10/1209:25SOU - DUB
1 stop12h 20mMultiple Airlines
Fri 12/1219:35DUB - SOU
1 stop19h 15mMultiple Airlines
Deal found 19/11£145

Cheap flight deals from Southampton to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Dublin (DUB). 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 20 November 2025.

Round-trip from

£117

One-way from

£47

Popular in

June

Cheapest in

January

Average price

£137

Good round-trip deal

£134 or less

Good one-way deal

£82 or less
Aer Lingus
  • Aer Lingus
  • 30/11-3/12
  • Nonstop
  • 3h 20m total
  • Southampton to Dublin
Search Deals
Aer Lingus
  • Aer Lingus
  • 26/1
  • Nonstop
  • 1h 40m total
  • Southampton to Dublin
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Southampton Eastleigh to Dublin.
Search Deals
Price to beat on a one-way flight from Southampton Eastleigh to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton 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 20 November 2025.
Use the filters below to find and compare flights from Southampton to Dublin that are best for you.

Fly from

Southampton

Fly to

Dublin

Route

Depart

Return

Price

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 14/2

09:30-11:10

Nonstop1h 40m

Dublin

Mon 16/2

13:55-15:35

Nonstop1h 40m

£117

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 11/12

20:10-21:50

Nonstop1h 40m

Dublin

Sat 13/12

07:00-08:45

Nonstop1h 45m

£124

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 1/1

17:55-12:00

2 stops18h 05m

Dublin

Mon 5/1

07:00-08:45

Nonstop1h 45m

£126

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 10/12

20:10-21:50

Nonstop1h 40m

Dublin

Fri 12/12

07:00-08:45

Nonstop1h 45m

£126

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 18/2

12:25-14:00

Nonstop1h 35m

Dublin

Sat 21/2

17:15-08:50

1 stop15h 35m

£135

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 16/12

09:20-17:40

1 stop8h 20m

Dublin

Fri 19/12

07:00-08:45

Nonstop1h 45m

£138

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 18/4

09:10-10:50

Nonstop1h 40m

Dublin

Mon 20/4

07:00-08:40

Nonstop1h 40m

£142

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 9/12

09:20-13:00

2 stops27h 40m

Dublin

Wed 10/12

18:00-19:40

Nonstop1h 40m

£147

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 10/1

09:25-16:20

1 stop6h 55m

Dublin

Sun 11/1

13:25-08:50

1 stop19h 25m

£152

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 19/12

20:10-21:50

Nonstop1h 40m

Dublin

Mon 22/12

07:00-08:45

Nonstop1h 45m

£152

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 22 results
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Best time to book a flight from Southampton to Dublin

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

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

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

The price you pay for your flight from Southampton to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 46 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 Southampton to Dublin?

Currently, February is the cheapest month in which you can book a flight from Southampton to Dublin (average of £24). Flying from Southampton 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 SOU to DUB?

Find hourly flight availability from Southampton 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 20 November 2025.

One of the essential ways to save on airfare from Southampton to Dublin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 48% on airfare.

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 20 November 2025.
Read through reviews of airlines operating flights from Southampton to Dublin, such as KLM, Aer Lingus, andRyanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,412 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,412 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,376 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Ryanair
6.8
Okay
5,196 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,533 reviews
KLM
7.7
Good
1,412 reviews
Check prices

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Southampton to Dublin?

    If you wish to fly to Dublin from Southampton, then you need to book flights from Southampton Eastleigh to Dublin. There are 7 flights from Eastleigh (SOU) to Dublin (DUB) per day to choose from. Flights to Dublin from Eastleigh are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 1h 35m is how long a nonstop flight from Southampton to Dublin typically takes.

  • How popular is this Southampton to Dublin flight route?

    The Southampton Eastleigh to Dublin flight path was viewed by 1,447 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Southampton to Dublin?

    Aer Lingus can get you from Southampton to Dublin in just under 1h 40m. Your travel time will be generally consistent. The distance between Southampton and Dublin is about 268 mi. Most flights are nonstop.

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

    Currently priced at £26, Ryanair will fly you from Southampton to Dublin and back. In addition to Ryanair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Aer Lingus - these airlines can fly you to your destination from £73 and £87, respectively. Ryanair is currently priced 82% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Southampton to Dublin are Qatar Airways (77%), Aer Lingus (74%) and Emerald Airlines (74%).

  • What are the cheapest flights from Southampton to Dublin?

    While on average a flight from Southampton to Dublin is generally £120, our data shows the cheapest flight currently is £82. When looking at the most popular route, (Southampton Eastleigh - Dublin), you can expect to pay £98 for that flight.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Southampton to Dublin (average of £24). Flying from Southampton 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
Wicklow
Tullamore
Cavan
Drogheda
Malahide
Portmarnock
Dundalk
Enniscorthy
Mullingar
Bray
Arklow
Kildare
Carlingford
Maynooth
Swords
Naas

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to Dublin

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Top 4 airlines flying from Southampton to Dublin

Discover the top 4 airlines that operate flights from Southampton 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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£26Average£51FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£73Average£217FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£87Average£143FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£134Average£148FlexibilityNo cancel feeOn-time75%
Search KLM 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 Southampton to Dublin?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southampton to Dublin. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dublin from Southampton.

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

Need flexible booking options for your flight to Dublin from Southampton? 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 Southampton to Dublin become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dublin from Southampton today and book when prices fit your budget.

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