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Cheap flights from Dublin to London from £31

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 30/9. 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

Aer Lingus Logo
06:35 - 08:15DUB-SOU
1h 40mdirect
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
£66Aer Lingus
Find Deal
Tue, 7 Oct - Tue, 21 Oct
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
£82Aer Lingus
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
£84Aer Lingus
Find Deal
Fri, 14 Nov - Sun, 16 Nov
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
£84Aer Lingus
Find Deal
Mon, 9 Feb - Thu, 12 Feb
Aer Lingus Logo
07:00 - 08:40DUB-SOU
1h 40mdirect
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
£85Aer Lingus
Find Deal
Thu, 2 Oct - Mon, 6 Oct
Aer Lingus Logo
07:00 - 08:45DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
£86Aer Lingus
Find Deal
Mon, 22 Dec - Thu, 1 Jan
Aer Lingus Logo
10:10 - 11:55DUB-SOU
1h 45mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
£91Aer Lingus
Find Deal
Tue, 10 Feb - Thu, 12 Feb
Aer Lingus Logo
13:55 - 15:35DUB-SOU
1h 40mdirect
Aer Lingus Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
£92Aer Lingus
Find Deal
Tue, 10 Feb - Fri, 13 Feb
Multiple Airlines Logo
21:00 - 08:30DUB-SOU
11h 30m1 stop
Multiple Airlines Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
£104Multiple Airlines
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Tue, 14 Oct - Tue, 21 Oct
KLM Logo
08:50 - 17:00DUB-SOU
8h 10m1 stop
KLM Logo
17:30 - 22:10SOU-DUB
4h 40m1 stop
£173KLM
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Tue, 10 Feb - Fri, 13 Feb

Aer Lingus flights from Dublin to Southampton

Our best Aer Lingus deals on Dublin to Southampton flight tickets
Aer Lingus
7 Oct
DUB06:35Dublin
1h 40m
SOU08:15Southampton Eastleigh
21 Oct
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
£66
Find similar
Aer Lingus
30 Oct
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
6 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
£82
Find similar
Aer Lingus
14 Nov
DUB07:00Dublin
1h 45m
SOU08:45Southampton Eastleigh
16 Nov
SOU20:10Southampton Eastleigh
1h 40m
DUB21:50Dublin
£84
Find similar

British Airways flights from Dublin to Southampton

Our best British Airways deals on Dublin to Southampton flight tickets
British Airways
21 Sept
DUB06:55Dublin
1h 40m
SOU08:35Southampton Eastleigh
23 Sept
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
£260
Find similar
British Airways
21 Sept
DUB06:55Dublin
1h 40m
SOU08:35Southampton Eastleigh
23 Sept
SOU16:50Southampton Eastleigh
4h 05m
1 stop
DUB20:55Dublin
£469
Find similar
British Airways
21 Sept
DUB06:55Dublin
1h 40m
SOU08:35Southampton Eastleigh
23 Sept
SOU12:40Southampton Eastleigh
8h 15m
1 stop
DUB20:55Dublin
£469
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 279,928 searches. Data last updated 17 September 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

Tue 7/10

06:35-08:15

Nonstop1h 40m

Southampton Eastleigh

Tue 21/10

20:00-21:35

Nonstop1h 35m

£66

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 30/10

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Thu 6/11

20:10-21:50

Nonstop1h 40m

£82

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Fri 14/11

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Sun 16/11

20:10-21:50

Nonstop1h 40m

£84

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Mon 9/2

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Thu 12/2

20:10-21:50

Nonstop1h 40m

£84

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 2/10

07:00-08:40

Nonstop1h 40m

Southampton Eastleigh

Mon 6/10

20:00-21:35

Nonstop1h 35m

£85

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Mon 22/12

07:00-08:45

Nonstop1h 45m

Southampton Eastleigh

Thu 1/1

20:10-21:50

Nonstop1h 40m

£86

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 10/2

10:10-11:55

Nonstop1h 45m

Southampton Eastleigh

Thu 12/2

20:10-21:50

Nonstop1h 40m

£91

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 10/2

13:55-15:35

Nonstop1h 40m

Southampton Eastleigh

Fri 13/2

20:10-21:50

Nonstop1h 40m

£92

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 14/10

21:00-08:30

1 stop11h 30m

Southampton Eastleigh

Tue 21/10

20:00-21:35

Nonstop1h 35m

£104

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Tue 10/2

08:50-17:00

1 stop8h 10m

Southampton Eastleigh

Fri 13/2

17:30-22:10

1 stop4h 40m

£173

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Dublin and Southampton?

What is the cheapest month to fly to Southampton?

The month of December is, on average, the cheapest month to fly to Southampton from Dublin, with most prices found around £92. If you’re not able to fly to Southampton in December, then January is your next best option. Flight prices from Dublin to Southampton during January average around £93.

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

Our data shows that Tuesday is the least expensive day to fly to Southampton. Tickets to fly out on this day can be as low as £83. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £172. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southampton.

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

According to our data, the cheapest time of day to fly to Southampton is in the morning. momondo users have found flights departing from Dublin to Southampton in the morning for as low as £131. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £142 on average. Flights to Southampton from Dublin at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £128 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 £94 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 September 2025, prices for Dublin to Southampton flights are approximately 22% cheaper 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

£47

Fastest flight time

1h 40m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Southampton

1 airport
The best one-way flight to Southampton from Dublin in the past 72 hours is £47. The best return flight deal from Dublin to Southampton found on momondo in the last 72 hours is £134.
The fastest flight from Dublin to Southampton takes 1h 40m
Direct flights go from Dublin to Southampton on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Southampton: Southampton Eastleigh (SOU)
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  • How far is Dublin to Southampton Eastleigh by plane?

    The distance between Dublin and Southampton Eastleigh is about 265.7 mi. In terms of flight time, this usually takes a little over 1h 35m.

  • 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 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 Dublin Airport to Southampton Eastleigh Airport.

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

    The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 £79Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights

  • Aer Lingus Flights From Dublin to Southampton

    Aer Lingus is one of the most popular airlines flying from Dublin to Southampton, operating 9 flights/week on average for this route. A good Aer Lingus flight deal for Dublin to Southampton starts from £108 round-trip, up to an average price of £200. Our users have rated Aer Lingus at 7.2/10.

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?

All flight searches from Dublin to Southampton on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Southampton from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Dublin to Southampton flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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.
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