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Cheap flights from Southampton (SOU) to Dublin (DUB)

SOU — DUB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 Friday or Monday and return on a Tuesday

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 June 12, 2025.

Popular in

June

Cheapest in

January

Average price

$226

Good round-trip deal

$280 or less

Good one-way deal

$229 or less
Highest demand for flights based on searches. 12% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Southampton Eastleigh to Dublin.
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Price to beat on a one-way flight from Southampton Eastleigh to Dublin.
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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 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 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 round-trip flight from Southampton to Dublin. Price data was last updated on June 9, 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 51 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, November is the cheapest month in which you can book a flight from Southampton to Dublin (average of $509). Flying from Southampton to Dublin in June is currently the most expensive (average of $947). 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Southampton to Dublin at noon. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight in the morning.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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.

  • How popular is this Southampton to Dublin flight route?

    Flights from Southampton Eastleigh to Dublin have been viewed 1 times in the past calendar month.

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

    Before booking your flight to Dublin from Southampton, check out the most reliable airlines to get you to your destination on time: Qatar Airways (89%), Aer Lingus (85%), Emerald Airlines( 85%).

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Southampton to Dublin (average of $509). Flying from Southampton to Dublin in June is currently the most expensive (average of $947). 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

Traveling to a place near Southampton?

Book flights to Southampton if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Top airline flying from Southampton to Dublin

Discover the top airline 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$117Average$188FlexibilityNo cancel feeOn-timeN/A

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