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

DUB — SOU
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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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

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Southampton (SOU). 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 18, 2025.

Popular in

June

Cheapest in

December

Average price

$235

Good one-way deal

$104 or less
Highest demand for flights based on searches. 24% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 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 one-way flight from Dublin to Southampton Eastleigh.
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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.
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 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 round-trip flight from Dublin to Southampton. Price data was last updated on June 13, 2025.

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to Southampton. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Dublin to Southampton (average of $787). Flying from Dublin to Southampton in June is currently the most expensive (average of $1,308). 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 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 June 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 47% on flights from Dublin to Southampton by exploring options for tickets at noon.

Rainfall in Southampton by month

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

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

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

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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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.

  • How popular is this Dublin to Southampton flight route?

    Within the past month, 1 users have taken a look at flights from Dublin to Southampton Eastleigh.

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

    The top 3 most reliable airlines when flying from Dublin to Southampton are Aer Lingus (0%), Emerald Airlines (0%) and British Airways (0%).

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

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

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

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

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

    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.

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

    Currently, November is the cheapest month in which you can book a flight from Dublin to Southampton (average of $787). Flying from Dublin to Southampton in June is currently the most expensive (average of $1,308). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Dublin to Southampton

Discover the top airline that operate flights from Dublin to Southampton. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$124Average$152FlexibilityNo cancel feeOn-timeN/A

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