Question 1

How popular is this Dublin to Southampton flight route?

Accepted Answer

Flights from Dublin to Southampton Eastleigh have been viewed 90 times in the past calendar month.

Question 2

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

Accepted Answer

Aer Lingus, at £71, was found to be the cheapest airline from Dublin to Southampton.. Users have found that Aer Lingus is 41% cheaper than the other options available to this destination.

Question 3

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

Accepted Answer

£37 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on KLM and British Airways, with prices starting from £92 and £105, respectively.

Question 4

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

Accepted Answer

The price you pay for your flight from Dublin to Southampton may vary depending on when you book. For the best chance of a lower fare, look to book 47 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 Dublin to Southampton?

Accepted Answer

Currently, September is the cheapest month in which you can book a flight from Dublin to Southampton (average of £203). Flying from Dublin to Southampton in November is currently the most expensive (average of £262). 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 Dublin to Southampton?

Accepted Answer

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

Question 7

Weekly flight availability from Dublin to Southampton

Accepted Answer

The most flights from DUB to SOU 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 (2 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Southampton, 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 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Question 10

What are the cheapest flights from Dublin to Southampton?

Accepted Answer

On average you can expect to pay £99 for a flight from Dublin to Southampton. The cheapest flight overall is £29 while the most popular route, (Dublin - Southampton Eastleigh) is currently priced at £71.

Question 11

What are the most reliable airlines from Dublin to Southampton?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Dublin to Southampton consider choosing Aer Lingus (0%), Emerald Airlines (0%) or British Airways (0%) as they are the most reliable in getting you off to your destination on time.

Question 12

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

Accepted Answer

Travelers have found that booking a Monday departure is the best way to save up to 102% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 13

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

Accepted Answer

Find a great deal and save up to 235% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Dublin to Southampton within the next two weeks, with the cheapest ticket starting at £92.

Question 14

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

Accepted Answer

Flights from Dublin to Southampton lean towards being more expensive in June. Prices are generally better when you fly from Dublin to Southampton in January, with the cheapest ticket starting at £24.

Question 15

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

Accepted Answer

It’s optimal to fly from Dublin to Southampton in the morning. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at midday.

Question 16

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

Accepted Answer

You will need to book a flight from Dublin to Southampton Eastleigh if you want to fly from Dublin to Southampton. At least 1 airline has flights from Dublin (DUB) to Eastleigh (SOU) on a regular basis. There are 4 flights to Southampton from the Dublin airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DUB to SOU to be around 1h 35m.

Question 17

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

Accepted Answer

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

Question 18

How can I find direct flights from Dublin to Southampton?

Accepted Answer

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

Question 19

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

Accepted Answer

Yes. Cheapflights offers flight deals from Dublin to Southampton 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 20

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

Accepted Answer

Deals for Dublin to Southampton 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.

Question 21

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

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Dublin to Southampton by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 22

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

Accepted Answer

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

Question 23

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

Accepted Answer

Yes! Start tracking prices for Dublin to Southampton 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.

Round-trip from	£71
One-way from	£37
Popular in	June
Cheapest in	December
Average price	£151
Good round-trip deal	£82 or less
Good one-way deal	£47 or less

Cheap flights from Dublin to Southampton from £37

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Dublin to Southampton Eastleigh are usually found in December or January, booked 47 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Dublin to Southampton

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Find flight deals from Dublin to Southampton

Cheapest flights from Dublin to SouthamptonExplore the most affordable flight options available from Dublin to Southampton. 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 Dublin to Southampton. 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 Dublin to Southampton that are best for you.

Best time to book a flight from Dublin to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Dublin with our price prediction graph.

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Everything you need to know about your flight from Dublin to Southampton

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

Use this chart to determine the optimal time to book a return flight from Dublin to Southampton. Price data was last updated on 27 June 2025.

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

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

Find hourly flight availability from Dublin to Southampton. 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 Dublin to Southampton

Explore weekly flight availability from Dublin to Southampton. 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 Southampton

Read through reviews of airlines operating flights from Dublin to Southampton, 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 Dublin to Southampton. 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 Dublin to Southampton?

How popular is this Dublin to Southampton flight route?

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

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

What are the most reliable airlines from Dublin to Southampton?

What are the cheapest flights from Dublin to Southampton?

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

How can I find direct flights from Dublin to Southampton?

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

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

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Alternative routes for Dublin to Southampton

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

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

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

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

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Cheapest flights from Dublin to Southampton
Explore the most affordable flight options available from Dublin to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.