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Cheap flights from Dublin to London from £39

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 12/10. 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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Find the cheapest flights from Dublin to London (DUB-SOU)

Cheap return flights

Aer Lingus Logo
07:30 - 09:10DUB-SOU
1h 40mdirect
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
£72Aer Lingus
Find Deal
Mon, 6 Oct - Tue, 21 Oct
Aer Lingus Logo
06:25 - 08:05DUB-SOU
1h 40mdirect
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
£76Aer Lingus
Find Deal
Wed, 1 Oct - Thu, 2 Oct
Aer Lingus Logo
06:25 - 08:05DUB-SOU
1h 40mdirect
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
£77Aer Lingus
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Aer Lingus Logo
07:00 - 08:40DUB-SOU
1h 40mdirect
Aer Lingus Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
£79Aer Lingus
Find Deal
Thu, 2 Oct - Fri, 3 Oct
Logo
21:00 - 12:45DUB-SOU
15h 45m2 stops
Logo
09:10 - 10:50SOU-DUB
1h 40mdirect
£107
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Logo
06:55 - 08:35DUB-SOU
1h 40mdirect
Logo
12:25 - 17:15SOU-DUB
4h 50m1 stop
£120
Find Deal
Sun, 5 Oct - Tue, 7 Oct
KLM Logo
20:45 - 08:45DUB-SOU
12h 00m1 stop
KLM Logo
18:25 - 22:25SOU-DUB
4h 00m1 stop
£178KLM
Find Deal
Wed, 10 Sep - Sun, 14 Sep
KLM Logo
20:45 - 08:45DUB-SOU
12h 00m1 stop
KLM Logo
18:05 - 22:25SOU-DUB
4h 20m1 stop
£189KLM
Find Deal
Wed, 24 Sep - Sat, 27 Sep
British Airways Logo
13:55 - 15:35DUB-SOU
1h 40mdirect
British Airways Logo
20:10 - 21:50SOU-DUB
1h 40mdirect
£231British Airways
Find Deal
Thu, 20 Nov - Sun, 23 Nov
British Airways Logo
07:00 - 08:40DUB-SOU
1h 40mdirect
British Airways Logo
20:00 - 21:35SOU-DUB
1h 35mdirect
£235British Airways
Find Deal
Fri, 5 Sep - Fri, 12 Sep

Aer Lingus flights from Dublin to Southampton

Our best Aer Lingus deals on Dublin to Southampton flight tickets
Aer Lingus
6 Oct
DUB07:30Dublin
1h 40m
SOU09:10Southampton Eastleigh
21 Oct
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
£72
Find similar
Aer Lingus
1 Oct
DUB06:25Dublin
1h 40m
SOU08:05Southampton Eastleigh
2 Oct
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
£76
Find similar
Aer Lingus
8 Oct
DUB06:25Dublin
1h 40m
SOU08:05Southampton Eastleigh
15 Oct
SOU20:00Southampton Eastleigh
1h 35m
DUB21:35Dublin
£77
Find similar

KLM flights from Dublin to Southampton

Our best KLM deals on Dublin to Southampton flight tickets
KLM
10 Sept
DUB20:45Dublin
12h 00m
1 stop
SOU08:45Southampton Eastleigh
14 Sept
SOU18:25Southampton Eastleigh
4h 00m
1 stop
DUB22:25Dublin
£178
Find similar
KLM
24 Sept
DUB20:45Dublin
12h 00m
1 stop
SOU08:45Southampton Eastleigh
27 Sept
SOU18:05Southampton Eastleigh
4h 20m
1 stop
DUB22:25Dublin
£189
Find similar
KLM
5 Sept
DUB20:45Dublin
12h 00m
1 stop
SOU08:45Southampton Eastleigh
9 Sept
SOU17:35Southampton Eastleigh
4h 50m
1 stop
DUB22:25Dublin
£200
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 26 August 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

Mon 6/10

07:30-09:10

Nonstop1h 40m

Southampton Eastleigh

Tue 21/10

20:00-21:35

Nonstop1h 35m

£72

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 1/10

06:25-08:05

Nonstop1h 40m

Southampton Eastleigh

Thu 2/10

20:00-21:35

Nonstop1h 35m

£76

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 8/10

06:25-08:05

Nonstop1h 40m

Southampton Eastleigh

Wed 15/10

20:00-21:35

Nonstop1h 35m

£77

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 2/10

07:00-08:40

Nonstop1h 40m

Southampton Eastleigh

Fri 3/10

20:00-21:35

Nonstop1h 35m

£79

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 8/10

21:00-12:45

2 stops15h 45m

Southampton Eastleigh

Wed 15/10

09:10-10:50

Nonstop1h 40m

£107

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Sun 5/10

06:55-08:35

Nonstop1h 40m

Southampton Eastleigh

Tue 7/10

12:25-17:15

1 stop4h 50m

£120

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 10/9

20:45-08:45

1 stop12h 00m

Southampton Eastleigh

Sun 14/9

18:25-22:25

1 stop4h 00m

£178

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Wed 24/9

20:45-08:45

1 stop12h 00m

Southampton Eastleigh

Sat 27/9

18:05-22:25

1 stop4h 20m

£189

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Thu 20/11

13:55-15:35

Nonstop1h 40m

Southampton Eastleigh

Sun 23/11

20:10-21:50

Nonstop1h 40m

£231

DublinSouthampton

DUB - SOU

DUBSOU

Dublin

Fri 5/9

07:00-08:40

Nonstop1h 40m

Southampton Eastleigh

Fri 12/9

20:00-21:35

Nonstop1h 35m

£235

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 month of December is, on average, the cheapest month to fly to Southampton from Dublin, with most prices found around £93. 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 £94.

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 £79. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £174. 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 £124. 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 £143 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 £127 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 £87 on momondo.

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

There are 1 cabin classes 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 August 2025, prices for Dublin to Southampton flights are approximately 68% 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

£131

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Southampton

1 airport
The best one-way flight to Southampton from Dublin in the past 72 hours is £131. The best return flight deal from Dublin to Southampton found on momondo in the last 72 hours is £113.
The fastest flight from Dublin to Southampton takes 1h 35m
Direct flights go from Dublin to Southampton every day.
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 40m.

  • 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 £78Free CancellationRating
7.2
1,237 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 15 flights/week on average for this route. A good Aer Lingus flight deal for Dublin to Southampton starts from £105 round-trip, up to an average price of £204. 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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