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Cheap flights from Helsinki to London from £379

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to London departing on 24/9. 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

British Airways Logo
08:00 - 17:35HEL-SOU
11h 35m1 stop
British Airways Logo
14:25 - 22:50SOU-HEL
6h 25m1 stop
£573British Airways
Find Deal
Mon, 10 Nov - Wed, 12 Nov
British Airways Logo
07:50 - 17:35HEL-SOU
11h 45m3 stops
British Airways Logo
14:25 - 22:50SOU-HEL
6h 25m1 stop
£625British Airways
Find Deal
Mon, 10 Nov - Wed, 12 Nov
British Airways Logo
07:50 - 20:20HEL-SOU
14h 30m2 stops
British Airways Logo
14:25 - 22:50SOU-HEL
6h 25m1 stop
£670British Airways
Find Deal
Mon, 10 Nov - Wed, 12 Nov
British Airways Logo
07:50 - 17:35HEL-SOU
11h 45m3 stops
British Airways Logo
14:25 - 12:20SOU-HEL
19h 55m3 stops
£691British Airways
Find Deal
Mon, 10 Nov - Wed, 12 Nov
British Airways Logo
07:50 - 20:20HEL-SOU
14h 30m2 stops
British Airways Logo
14:25 - 12:20SOU-HEL
19h 55m3 stops
£735British Airways
Find Deal
Mon, 10 Nov - Wed, 12 Nov
British Airways Logo
06:50 - 12:05HEL-SOU
7h 15m1 stop
British Airways Logo
19:55 - 15:15SOU-HEL
17h 20m2 stops
£797British Airways
Find Deal
Thu, 2 Oct - Thu, 16 Oct

British Airways flights from Helsinki to Southampton

Our best British Airways deals on Helsinki to Southampton flight tickets
British Airways
10 Nov
HEL08:00Helsinki-Vantaa
11h 35m
1 stop
SOU17:35Southampton Eastleigh
12 Nov
SOU14:25Southampton Eastleigh
6h 25m
1 stop
HEL22:50Helsinki-Vantaa
£573
Find similar
British Airways
10 Nov
HEL07:50Helsinki-Vantaa
11h 45m
3 stops
SOU17:35Southampton Eastleigh
12 Nov
SOU14:25Southampton Eastleigh
6h 25m
1 stop
HEL22:50Helsinki-Vantaa
£625
Find similar
British Airways
10 Nov
HEL07:50Helsinki-Vantaa
14h 30m
2 stops
SOU20:20Southampton Eastleigh
12 Nov
SOU14:25Southampton Eastleigh
6h 25m
1 stop
HEL22:50Helsinki-Vantaa
£670
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Helsinki 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 12 September 2025.
Use the filters below to find and compare flights from Helsinki to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 10/11

08:00-17:35

1 stop11h 35m

Southampton Eastleigh

Wed 12/11

14:25-22:50

1 stop6h 25m

£573

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 10/11

07:50-17:35

3 stops11h 45m

Southampton Eastleigh

Wed 12/11

14:25-22:50

1 stop6h 25m

£625

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 10/11

07:50-20:20

2 stops14h 30m

Southampton Eastleigh

Wed 12/11

14:25-22:50

1 stop6h 25m

£670

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 10/11

07:50-17:35

3 stops11h 45m

Southampton Eastleigh

Wed 12/11

14:25-12:20

3 stops19h 55m

£691

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 10/11

07:50-20:20

2 stops14h 30m

Southampton Eastleigh

Wed 12/11

14:25-12:20

3 stops19h 55m

£735

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Thu 2/10

06:50-12:05

1 stop7h 15m

Southampton Eastleigh

Thu 16/10

19:55-15:15

2 stops17h 20m

£797

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Wed 24/9

21:05-15:15

2 stops20h 10m

£379

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 22/9

16:30-08:10

1 stop17h 40m

£382

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Wed 24/9

06:50-12:05

1 stop7h 15m

£403

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Tue 23/9

16:30-12:05

1 stop21h 35m

£410

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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How to get the cheapest flight ticket from Helsinki 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 Helsinki and Southampton?

When to book flights from Helsinki to Southampton

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

Cheap Helsinki to Southampton (HEL to SOU) flight deals and tips

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

Direct flights

None
There are no direct flights from Helsinki to Southampton. There are no popular flight routes from Helsinki to Southampton.
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  • How far is Helsinki-Vantaa to Southampton Eastleigh by plane?

    The distance between Helsinki-Vantaa and Southampton Eastleigh is about 1199.0 mi. By plane, this route typically takes 7h 15m.

  • When did momondo last update prices for flights from Helsinki-Vantaa Airport to Southampton Eastleigh Airport?

    Prices for flights from Helsinki-Vantaa Airport to Southampton Eastleigh Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Helsinki-Vantaa 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 Helsinki-Vantaa 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 license 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.

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 Helsinki to Southampton?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Southampton from Helsinki.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Helsinki.

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

Yes momondo offers price alerts on flights to Southampton from Helsinki. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Southampton trip

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