Cheap flights from Dublin (DUB) to Southampton (SOU)
DUB — SOU
Jun 23 — Jun 301
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Dublin to Southampton Eastleigh are usually found in February or March, booked 23 days in advance, depart on a Friday or Tuesday and return on a Monday
Find 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 May 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | June |
Cheapest in | February |
Average price | $218 |
Good round-trip deal | $168 or less |
Good one-way deal | $104 or less |
Compare providers for flights from Dublin to Southampton
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Southampton in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Dublin-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Southampton flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dublin-Southampton flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
DUB-SOU
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
Prices
Airlines
Delays
How far ahead should I book a flight from Dublin to Southampton?
Booking 22 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, February is the cheapest month in which you can book a flight from Dublin to Southampton (average of $145). Flying from Dublin to Southampton in June is currently the most expensive (average of $254). 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 May 24, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Southampton as you normally would.
How often are flights from Dublin to Southampton delayed?
About 16% of weekly flights between Dublin and Southampton have experienced delays in the past year, with the average delay time being 103 minutes.
What is the most punctual flight time for Dublin to Southampton flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dublin to Southampton flights?
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 16% of flights being delayed.
Reviews of airlines servicing Southampton
Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated May 24, 2026.
Read reviews from past customers who have flown Aer Lingus from Dublin to Southampton. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.3
Food
6.7
Crew
8.1
Boarding
7.4
Comfort
7.2
Entertainment
7.0
Reviews
1 / 20
4.0
OkayLama,May 2026
DUB - ALC
Overall
7.3
Food
6.7
Crew
8.1
Boarding
7.4
Comfort
7.2
Entertainment
7.0
Reviews
1 / 20
4.0
OkayLama,May 2026
DUB - ALC
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.
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Complete your trip
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Dublin and Southampton flights
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Other flights to Southampton
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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 May 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$140 | Average$228 | FlexibilityNo cancel fee | On-timeN/A |