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Cheap flights from Dublin to London from €47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to London departing on 3/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Aer Lingus Logo
18:00 - 19:40DUB-SOU
1h 40mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
€91Aer Lingus
Find Deal
Wed, 3 Dec - Wed, 17 Dec
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
€92Aer Lingus
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
€93Aer Lingus
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Aer Lingus Logo
13:55 - 15:35DUB-SOU
1h 40mdirect
Aer Lingus Logo
16:05 - 17:40SOU-DUB
1h 35mdirect
€93Aer Lingus
Find Deal
Fri, 13 Feb - Sun, 15 Feb
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
€95Aer Lingus
Find Deal
Mon, 19 Jan - Mon, 19 Jan
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
€96Aer Lingus
Find Deal
Fri, 13 Feb - Sun, 15 Feb
Multiple Airlines Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Multiple Airlines Logo
12:05 - 00:35SOU-DUB
12h 30m1 stop
€118Multiple Airlines
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Mon, 19 Jan - Mon, 19 Jan
KLM Logo
20:45 - 08:45DUB-SOU
12h 00m1 stop
KLM Logo
09:20 - 16:40SOU-DUB
7h 20m1 stop
€203KLM
Find Deal
Fri, 1 May - Mon, 4 May
KLM Logo
17:15 - 08:10DUB-SOU
14h 55m1 stop
KLM Logo
09:30 - 08:05SOU-DUB
22h 35m1 stop
€221KLM
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Sun, 21 Dec - Sun, 28 Dec
KLM Logo
13:25 - 08:10DUB-SOU
18h 45m1 stop
KLM Logo
17:30 - 08:05SOU-DUB
14h 35m1 stop
€236KLM
Find Deal
Tue, 23 Dec - Tue, 30 Dec

KLM flights from Dublin to Southampton

Our best KLM deals on Dublin to Southampton flight tickets
KLM
1 May
DUB20:45Dublin
12h 00m
1 stop
SOU08:45Southampton Eastleigh
4 May
SOU09:20Southampton Eastleigh
7h 20m
1 stop
DUB16:40Dublin
€203
Find similar
KLM
21 Dec
DUB17:15Dublin
14h 55m
1 stop
SOU08:10Southampton Eastleigh
28 Dec
SOU09:30Southampton Eastleigh
22h 35m
1 stop
DUB08:05Dublin
€221
Find similar
KLM
23 Dec
DUB13:25Dublin
18h 45m
1 stop
SOU08:10Southampton Eastleigh
30 Dec
SOU17:30Southampton Eastleigh
14h 35m
1 stop
DUB08:05Dublin
€236
Find similar

Aer Lingus flights from Dublin to Southampton

Our best Aer Lingus deals on Dublin to Southampton flight tickets
Aer Lingus
3 Dec
DUB18:00Dublin
1h 40m
SOU19:40Southampton Eastleigh
17 Dec
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
€91
Find similar
Aer Lingus
4 Dec
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
8 Dec
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
€92
Find similar
Aer Lingus
4 Dec
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
8 Dec
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
€93
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Southampton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 8 November 2025.
Use the filters below to find and compare flights from Dublin to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 3/12

18:00-19:40

Nonstop1h 40m

Southampton Eastleigh

Wed 17/12

20:10-21:50

Nonstop1h 40m

€91

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 4/12

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Mon 8/12

20:10-21:50

Nonstop1h 40m

€92

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 4/12

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Mon 8/12

20:10-21:50

Nonstop1h 40m

€93

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Fri 13/2

13:55-15:35

Nonstop1h 40m

Southampton Eastleigh

Sun 15/2

16:05-17:40

Nonstop1h 35m

€93

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Mon 19/1

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Mon 19/1

20:10-21:50

Nonstop1h 40m

€95

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Fri 13/2

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Sun 15/2

20:10-21:50

Nonstop1h 40m

€96

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Mon 19/1

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Mon 19/1

12:05-00:35

1 stop12h 30m

€118

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Fri 1/5

20:45-08:45

1 stop12h 00m

Southampton Eastleigh

Mon 4/5

09:20-16:40

1 stop7h 20m

€203

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Sun 21/12

17:15-08:10

1 stop14h 55m

Southampton Eastleigh

Sun 28/12

09:30-08:05

1 stop22h 35m

€221

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 23/12

13:25-08:10

1 stop18h 45m

Southampton Eastleigh

Tue 30/12

17:30-08:05

1 stop14h 35m

€236

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Dublin to Southampton

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 Southampton?

The cheapest month to fly to Southampton from Dublin is in December. Flight prices, which tend to average around €109, are often lower during this time because this is during the off-season. If you don’t want to visit Southampton in December, then you should wait until January to fly from Dublin, when ticket prices are also cheap, with an average price of €111.

What is the cheapest day to depart on your flight to Southampton?

On average, the least expensive day to fly to Southampton from Dublin is on a Monday. momondo users have found tickets for Monday departures for as low as €126. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Southampton on Saturday is €282.

What is the cheapest time of day to depart on your flight to Southampton?

Our data shows that the cheapest Dublin to Southampton flights are usually those with departure times at midday. Our users have found flights to Southampton at midday for as low as €132. Try not to purchase tickets in the evening because they tend to be around €200. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Dublin to Southampton Eastleigh flight route?

Fly from Dublin to Southampton Eastleigh for the best Dublin - Southampton Eastleigh flight prices

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

You are more likely to see cheaper flights to Southampton from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Southampton for around €153 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southampton from Dublin for as low as €121 on momondo.

What cabin class options are available on Dublin to Southampton Eastleigh flights?

There is only 1 cabin class available to choose from on Dublin to Southampton Eastleigh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Dublin to Southampton flight prices changed over time?

As of November 2025, prices for Dublin to Southampton flights are approximately 79% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Southampton (DUB to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Southampton

Best price found

€67

Fastest flight time

1h 40m

Direct flights

Every day

Airports in Southampton

1 airport
The best one-way flight to Southampton from Dublin in the past 72 hours is €67. The best return flight deal from Dublin to Southampton found on momondo in the last 72 hours is €138.
The fastest flight from Dublin to Southampton takes 1h 40m
Direct flights go from Dublin to Southampton every day.
There is 1 airport near Southampton: Southampton Eastleigh (SOU)
Search flight deals

  • How far is Dublin to Southampton Eastleigh by plane?

    Southampton Eastleigh is 427.7 km away from Dublin. 1h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Dublin Airport to Southampton Eastleigh Airport?

    Prices for flights from Dublin Airport to Southampton Eastleigh Airport were last updated today.

  • How many operators does momondo search for flights from Dublin Airport to Southampton Eastleigh Airport?

  • How old do you have to be to fly from Dublin Airport to Southampton Eastleigh Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents you'll need for your trip to Southampton Eastleigh Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Southampton Eastleigh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to Southampton?

  • What is the most popular airline from Dublin to Southampton?

Best airlines flying from Dublin to Southampton

Compare and see reviews for airlines that fly from Dublin to Southampton with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €99Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights

  • Aer Lingus Flights From Dublin to Southampton

    Aer Lingus operates around 18 flights from Dublin to Southampton every week. The average price of these flights found in the last 72 hours has been €137, but momondo users have found Aer Lingus deals from Dublin to Southampton from as low as €99 round-trip. Aer Lingus has been scored 7.2/10 in 1,365 reviews.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Southampton?

Finding the right flight to Southampton from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Southampton quick and easy, saving you time and money.

Can I find flights from Dublin to Southampton with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Dublin to Southampton flights to just show those with flexible booking policies.

How can momondo help me find flights from Dublin to Southampton?

Once you have performed a search for Dublin to Southampton flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Dublin to Southampton right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Southampton, momondo offers a useful price alert feature which will track prices for flights to Southampton from Dublin and alert you when they change.

An easier way to manage your Southampton trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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