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Cheap flights from Southampton to Helsinki from £125

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HEL
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Helsinki

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Helsinki
Explore the most affordable flight options available from Southampton to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 April 2026.

Wed 3/617:20
SOU
-
HEL
1 stop5h 05m
KLM
Wed 10/618:25
HEL
-
SOU
1 stop16h 10m
KLM
Deal found 19/4£258
Fri 5/609:25
SOU
-
HEL
2 stops29h 20m
Multiple Airlines
Fri 12/617:30
HEL
-
SOU
2 stops28h 00m
Multiple Airlines
Deal found 21/4£280
Wed 3/615:35
SOU
-
HEL
2 stops19h 20m
Multiple Airlines
Wed 10/606:10
HEL
-
SOU
3 stops28h 25m
Multiple Airlines
Deal found 19/4£292
Sun 7/609:15
SOU
-
HEL
1 stop13h 10m
KLM
Sun 14/618:25
HEL
-
SOU
1 stop16h 10m
KLM
Deal found 23/4£306
Sun 7/620:00
SOU
-
HEL
3 stops34h 20m
Multiple Airlines
Sun 14/621:00
HEL
-
SOU
2 stops25h 45m
Multiple Airlines
Deal found 23/4£340
Fri 5/617:20
SOU
-
HEL
1 stop5h 05m
KLM
Fri 12/613:55
HEL
-
SOU
1 stop20h 50m
KLM
Deal found 21/4£354

Find flight deals from Southampton to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 April 2026.

Round-trip from

£258

One-way from

£125

Popular in

July

Cheapest in

February

Average price

£181
KLM
  • KLM
  • 3/6-10/6
  • 2 total stops
  • 21h 15m total
  • Southampton to Helsinki
Search Deals
4/6
  • 4/6
  • 1 total stop
  • 18h 10m total
  • Southampton to Helsinki
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Helsinki 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, Cheapflights users made 858,174 searches. Data last updated 23 April 2026.
Use the filters below to find and compare flights from Southampton to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 5/6

17:20-00:25

1 stop5h 05m

Helsinki-Vantaa

Fri 12/6

13:55-08:45

1 stop20h 50m

£354

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 7/6

20:00-15:20

2 stops17h 20m

Helsinki-Vantaa

Sun 14/6

21:00-17:45

2 stops22h 45m

£357
Fastest return journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 20/10

12:20-22:35

1 stop8h 15m

Helsinki-Vantaa

Tue 3/11

16:10-20:45

1 stop6h 35m

£566

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 19/10

06:45-14:50

1 stop6h 05m

Helsinki-Vantaa

Mon 2/11

08:05-20:45

1 stop14h 40m

£625

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 21/7

06:45-22:35

1 stop13h 50m

Helsinki-Vantaa

Tue 4/8

16:05-20:45

1 stop6h 40m

£675

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 14/8

06:45-22:35

1 stop13h 50m

Helsinki-Vantaa

Wed 19/8

14:05-08:25

2 stops20h 20m

£679

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 1/6

12:20-12:15

2 stops21h 55m

Helsinki-Vantaa

Thu 4/6

16:00-09:25

2 stops19h 25m

£690
Cheapest one-way
Fastest single journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 4/6

06:45-10:20

2 stops25h 35m

£142

Flights are sorted by cheapest return flights first.

Deals found on 20/4

Sorted by cheapest first

Best time to book a flight from Southampton to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Southampton to Helsinki?

    A quick flight from Southampton to Helsinki can take about 5h 05m. KLM provides one of the quickest options available for as low as £354. Airlines will cover a distance of 1200 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Southampton to Helsinki that include hotel bookings?

    Yes. In addition to deals on Southampton to Helsinki flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Helsinki.

  • Can I find deals for business class flights from Southampton to Helsinki?

    Yes. Cheapflights offers flight deals from Southampton to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Espoo
Vantaa

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Why should you use Cheapflights to find cheap flight tickets from Southampton to Helsinki?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to Helsinki.

Can Cheapflights find flights from Southampton to Helsinki with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Southampton to Helsinki, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Southampton to Helsinki become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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