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Cheap flights from Helsinki to London from £265

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 18/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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KLM Logo
07:00 - 17:00HEL-SOU
12h 00m1 stop
KLM Logo
09:20 - 17:40SOU-HEL
6h 20m1 stop
£439KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar
KLM Logo
07:00 - 17:00HEL-SOU
12h 00m1 stop
KLM Logo
17:35 - 13:00SOU-HEL
17h 25m1 stop
£439KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar
KLM Logo
13:25 - 08:50HEL-SOU
21h 25m2 stops
KLM Logo
17:35 - 13:00SOU-HEL
17h 25m1 stop
£539KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar
KLM Logo
07:15 - 17:00HEL-SOU
11h 45m2 stops
KLM Logo
09:20 - 13:00SOU-HEL
25h 40m1 stop
£540KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar
KLM Logo
11:05 - 17:00HEL-SOU
7h 55m2 stops
KLM Logo
17:35 - 10:35SOU-HEL
15h 00m2 stops
£640KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar
KLM Logo
07:15 - 17:00HEL-SOU
11h 45m2 stops
KLM Logo
09:20 - 21:45SOU-HEL
10h 25m2 stops
£640KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar
British Airways Logo
06:35 - 12:05HEL-SOU
7h 30m1 stop
British Airways Logo
14:35 - 22:45SOU-HEL
6h 10m1 stop
£655British Airways
Find Deal
Tue, 2 Dec - Thu, 4 Dec
British Airways Logo
06:35 - 12:05HEL-SOU
7h 30m1 stop
British Airways Logo
14:35 - 12:20SOU-HEL
19h 45m3 stops
£668British Airways
Find Deal
Tue, 2 Dec - Thu, 4 Dec
British Airways Logo
07:50 - 20:20HEL-SOU
14h 30m2 stops
British Airways Logo
14:35 - 22:45SOU-HEL
6h 10m1 stop
£718British Airways
Find Deal
Tue, 2 Dec - Thu, 4 Dec
British Airways Logo
07:50 - 20:20HEL-SOU
14h 30m2 stops
British Airways Logo
14:35 - 12:20SOU-HEL
19h 45m3 stops
£733British Airways
Find Deal
Tue, 2 Dec - Thu, 4 Dec

KLM flights from Helsinki to Southampton

Our best KLM deals on Helsinki to Southampton flight tickets
KLM
30 Mar
HEL07:00Helsinki-Vantaa
12h 00m
1 stop
SOU17:00Southampton Eastleigh
31 Mar
SOU09:20Southampton Eastleigh
6h 20m
1 stop
HEL17:40Helsinki-Vantaa
£439
Find similar
KLM
30 Mar
HEL07:00Helsinki-Vantaa
12h 00m
1 stop
SOU17:00Southampton Eastleigh
31 Mar
SOU17:35Southampton Eastleigh
17h 25m
1 stop
HEL13:00Helsinki-Vantaa
£439
Find similar
KLM
30 Mar
HEL13:25Helsinki-Vantaa
21h 25m
2 stops
SOU08:50Southampton Eastleigh
31 Mar
SOU17:35Southampton Eastleigh
17h 25m
1 stop
HEL13:00Helsinki-Vantaa
£539
Find similar

British Airways flights from Helsinki to Southampton

Our best British Airways deals on Helsinki to Southampton flight tickets
British Airways
2 Dec
HEL06:35Helsinki-Vantaa
7h 30m
1 stop
SOU12:05Southampton Eastleigh
4 Dec
SOU14:35Southampton Eastleigh
6h 10m
1 stop
HEL22:45Helsinki-Vantaa
£655
Find similar
British Airways
2 Dec
HEL06:35Helsinki-Vantaa
7h 30m
1 stop
SOU12:05Southampton Eastleigh
4 Dec
SOU14:35Southampton Eastleigh
19h 45m
3 stops
HEL12:20Helsinki-Vantaa
£668
Find similar
British Airways
2 Dec
HEL07:50Helsinki-Vantaa
14h 30m
2 stops
SOU20:20Southampton Eastleigh
4 Dec
SOU14:35Southampton Eastleigh
6h 10m
1 stop
HEL22:45Helsinki-Vantaa
£718
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 30 October 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 30/3

07:00-17:00

1 stop12h 00m

Southampton Eastleigh

Tue 31/3

09:20-17:40

1 stop6h 20m

£439

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 30/3

07:00-17:00

1 stop12h 00m

Southampton Eastleigh

Tue 31/3

17:35-13:00

1 stop17h 25m

£439

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 30/3

13:25-08:50

2 stops21h 25m

Southampton Eastleigh

Tue 31/3

17:35-13:00

1 stop17h 25m

£539

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 30/3

07:15-17:00

2 stops11h 45m

Southampton Eastleigh

Tue 31/3

09:20-13:00

1 stop25h 40m

£540

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 30/3

11:05-17:00

2 stops7h 55m

Southampton Eastleigh

Tue 31/3

17:35-10:35

2 stops15h 00m

£640

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Mon 30/3

07:15-17:00

2 stops11h 45m

Southampton Eastleigh

Tue 31/3

09:20-21:45

2 stops10h 25m

£640

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Tue 2/12

06:35-12:05

1 stop7h 30m

Southampton Eastleigh

Thu 4/12

14:35-22:45

1 stop6h 10m

£655

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Tue 2/12

06:35-12:05

1 stop7h 30m

Southampton Eastleigh

Thu 4/12

14:35-12:20

3 stops19h 45m

£668

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Tue 2/12

07:50-20:20

2 stops14h 30m

Southampton Eastleigh

Thu 4/12

14:35-22:45

1 stop6h 10m

£718

HelsinkiSouthampton

HEL - SOU

HELSOU

Helsinki-Vantaa

Tue 2/12

07:50-20:20

2 stops14h 30m

Southampton Eastleigh

Thu 4/12

14:35-12:20

3 stops19h 45m

£733

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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See travel insights to London from

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 30m.

  • 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.

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