Question 1

How popular is this Southampton to Dublin flight route?

Accepted Answer

The Southampton Eastleigh to Dublin flight path was viewed by 1,487 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

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

Accepted Answer

Currently priced at £104, Aer Lingus will fly you from Southampton to Dublin and back. In addition to Aer Lingus, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on KLM for as low as £155. Aer Lingus is currently priced 22% below the average price you’ll pay for this route.

Question 3

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

Accepted Answer

For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £82. Users have also found prices from £97 and £116 on KLM and British Airways, respectively.

Question 4

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

Accepted Answer

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 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 5

What is the cheapest month to book a flight from Southampton to Dublin?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Southampton to Dublin (average of £71). Flying from Southampton to Dublin in August is currently the most expensive (average of £93). 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.

Question 6

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

Accepted Answer

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

Question 7

Weekly flight availability from Southampton to Dublin

Accepted Answer

The most flights from SOU to DUB are scheduled on a Thursday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 10

What are the cheapest flights from Southampton to Dublin?

Accepted Answer

While on average a flight from Southampton to Dublin is generally £123, our data shows the cheapest flight currently is £43. When looking at the most popular route, (Southampton Eastleigh - Dublin), you can expect to pay £79 for that flight.

Question 11

What are the most reliable airlines from Southampton to Dublin?

Accepted Answer

The top 3 most reliable airlines when flying from Southampton to Dublin are Qatar Airways (98%), Aer Lingus (96%) and Emerald Airlines (96%).

Question 12

What are the most popular airlines that fly from Southampton to Dublin?

Accepted Answer

The most popular airlines flying from Southampton to Dublin are British Airways, Aer Lingus and KLM. Something to consider prior to booking your flight.

Question 13

What is the cheapest day to fly round-trip from Southampton to Dublin?

Accepted Answer

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 18% on the overall cost on flights from Southampton to Dublin.

Question 14

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

Accepted Answer

Travelers have found it’s best to book a flight 28 days in advance to save up to 155% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 28 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Southampton to Dublin 1-2 weeks in advance for as low as £70, or £156 for flights within the next 24 hours.

Question 15

What is the cheapest month to fly from Southampton to Dublin?

Accepted Answer

Our data shows that September tends to be the cheapest month to fly to Dublin from Southampton. Users have commonly found prices around £64 for the month, but tickets can be as low as £29. Due to multiple factors, prepare for potentially higher prices in December.

Question 16

What is the cheapest time of day to fly from SOU to DUB?

Accepted Answer

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 50% on airfare.

Question 17

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

Accepted Answer

If you wish to fly to Dublin from Southampton, then you need to book flights from Southampton Eastleigh to Dublin. There are 4 flights from Eastleigh (SOU) to Dublin (DUB) per day to choose from. Flights to Dublin from Eastleigh are available from 3 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.

Question 18

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

Accepted Answer

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

Question 19

How can I find direct flights from Southampton to Dublin?

Accepted Answer

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

Question 20

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

Accepted Answer

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.

Question 21

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

Accepted Answer

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.

Question 22

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

Accepted Answer

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.

Question 23

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

Accepted Answer

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.

Question 24

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

Accepted Answer

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.

Round-trip from	£104
One-way from	£82
Popular in	June
Cheapest in	January
Average price	£149
Good round-trip deal	£130 or less
Good one-way deal	£70 or less

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£70	Average£209	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£80	Average£133	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
KLM	Cheapest£125	Average£140	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Cheap flights from Southampton to Dublin from £82

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Southampton Eastleigh to Dublin are usually found in January or November, booked 51 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Southampton to Dublin

Round-trip from

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Find flight deals from Southampton to Dublin

Cheapest flights from Southampton to DublinExplore 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 4 July 2025.

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 4 July 2025.

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Use the filters below to find and compare flights from Southampton to Dublin that are best for you.

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.

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 27 June 2025.

What is the cheapest month to book a flight from Southampton to Dublin?

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 4 July 2025.

Weekly flight availability from Southampton to Dublin

Explore weekly flight availability from Southampton 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 4 July 2025.

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 4 July 2025.

Read through reviews of airlines operating flights from Southampton to Dublin, such as KLM, Aer Lingus, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

How popular is this Southampton to Dublin flight route?

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

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

What are the most reliable airlines from Southampton to Dublin?

What are the cheapest flights from Southampton to Dublin?

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

How can I find direct flights from Southampton to Dublin?

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

What is the cheapest month to book a flight from Southampton to Dublin?

Travelling to a place near Southampton?

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Alternative routes for Southampton to Dublin

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Top 3 airlines flying from Southampton to Dublin

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

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

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

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

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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 4 July 2025.