Cheap flights from Southampton to Ireland from £54
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Ireland departing on 16/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Southampton to Ireland
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Aer Lingus flights from Southampton to Ireland
Our best Aer Lingus deals on Southampton to Ireland flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Southampton to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Sat 5/12
08:20-16:50
1 stop8h 30m
Dublin
Tue 8/12
08:05-11:45
1 stop3h 40m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Mon 9/11
17:55-23:40
1 stop5h 45m
Dublin
Tue 10/11
08:05-11:45
1 stop3h 40m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Mon 9/11
17:55-23:40
1 stop5h 45m
Dublin
Tue 10/11
17:50-19:30
Nonstop1h 40m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Sat 5/12
08:20-16:50
1 stop8h 30m
Dublin
Tue 8/12
08:05-11:45
1 stop3h 40m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Wed 18/11
09:20-11:00
Nonstop1h 40m
Dublin
Wed 25/11
07:10-08:50
Nonstop1h 40m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Mon 16/11
12:25-14:05
Nonstop1h 40m
Dublin
Mon 23/11
07:10-08:50
Nonstop1h 40m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Sat 17/10
17:20-18:55
Nonstop1h 35m
Dublin
Sun 18/10
06:55-08:35
Nonstop1h 40m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Thu 3/12
12:25-14:05
Nonstop1h 40m
Dublin
Sat 5/12
07:00-08:45
Nonstop1h 45m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Thu 31/12
12:25-14:05
Nonstop1h 40m
Dublin
Thu 14/1
10:15-11:55
Nonstop1h 40m
SouthamptonDublin
SOU Southampton Eastleigh - DUB Dublin
SOUDUB
Southampton Eastleigh
Tue 3/11
09:20-11:00
Nonstop1h 40m
Dublin
Sat 7/11
07:00-08:45
Nonstop1h 45m
See travel insights to Ireland from
How to get the cheapest flight ticket from Southampton to Ireland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ireland?
The month of January is, on average, the cheapest month to fly to Ireland from Southampton, with most prices found around £130. If you’re not able to fly to Ireland in January, then February is your next best option. Flight prices from Southampton to Ireland during February average around £133.
What is the cheapest day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as £140. This is often the case because there is less demand to fly during this day of the week. Flights from Southampton to Ireland on a Saturday will generally be more expensive and average around £168. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ireland?
In the evening is the cheapest time of day to fly from Southampton to Ireland when you can find flight prices for as low as £135. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly in the morning, with an average ticket price of £176. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Southampton Eastleigh to Ireland flight route?
Fly from Southampton Eastleigh to Dublin for the best Southampton Eastleigh - Ireland flight prices
How far in advance should I book a flight from Southampton to Ireland?
You are more likely to see cheaper flights to Ireland from Southampton when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £152 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Southampton for as low as £123 on momondo.
What cabin class options are available on Southampton to Ireland flights?
There are 2 cabin classes available to choose from on Southampton to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Southampton Eastleigh to Ireland?
Aer Lingus and KLM are the most popular carriers operating from Southampton Eastleigh to Ireland
Which airlines fly to Ireland?
Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to Ireland from Southampton according to our data. Ryanair is the first choice among our users, with 69% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 3 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.
How many flights depart from Southampton to Ireland on average per day?
6 flights are operational daily from Southampton to Ireland as of October 2026. The most popular departure time for this route is 20:00, with 42% of flights per day taking off in the evening.
How many flights depart from Southampton to Ireland on average per week?
48 flights are operational weekly from Southampton to Ireland as of October 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
Cheap Southampton to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Southampton to Ireland
Frequently asked questions about flying from Southampton to Ireland
When did momondo last update prices for flights from Southampton Eastleigh Airport to Ireland?
Prices for flights from Southampton Eastleigh Airport to Ireland refresh daily.
How many operators does momondo search for flights from Southampton Eastleigh Airport to Ireland?
The number of operators available for flights from Southampton Eastleigh Airport to Ireland is 2 as of October 2026.
How old do you have to be to fly from Southampton Eastleigh Airport to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Southampton to Ireland?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Southampton to Ireland is ATR 72-201 / 202 (73.30% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (4.87%), Boeing 737 MAX 8 (4.28%), and Airbus A320neo (3.69%).
Best airlines flying from Southampton to Ireland
Compare and see reviews for airlines that fly from Southampton to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £99 | Free Cancellation | Rating 7.3 1,812 reviews | |||
| PriceFrom £107 | Free Cancellation | Rating 6.7 8,244 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Southampton to Ireland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Southampton to Ireland for you.
Can I find flights from Southampton to Ireland with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Southampton to Ireland flights to just show those with flexible booking policies.
How can momondo help me find flights from Southampton to Ireland?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southampton to Ireland.
I’m not ready to book a flight from Southampton to Ireland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Southampton to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.