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Cheap flights from Southampton to Helsinki from £137

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HEL
30 Jun — 7 Jul1
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 31 May 2026.

Thu 2/717:20
SOU
-
HEL
1 stop5h 05m
KLM
Wed 8/707:00
HEL
-
SOU
1 stop12h 35m
KLM
Deal found 30/5£238
Sat 27/609:15
SOU
-
HEL
1 stop6h 25m
KLM
Sat 4/713:55
HEL
-
SOU
1 stop20h 50m
KLM
Deal found 30/5£273
Fri 10/720:10
SOU
-
HEL
3 stops37h 20m
Multiple Airlines
Fri 17/718:35
HEL
-
SOU
2 stops14h 45m
Multiple Airlines
Deal found 29/5£303
Thu 2/715:25
SOU
-
HEL
2 stops16h 05m
Multiple Airlines
Wed 8/715:55
HEL
-
SOU
1 stop25h 00m
Multiple Airlines
Deal found 30/5£307
Wed 15/709:20
SOU
-
HEL
1 stop11h 45m
Multiple Airlines
Wed 22/715:35
HEL
-
SOU
2 stops19h 00m
Multiple Airlines
Deal found 31/5£316
Wed 15/709:15
SOU
-
HEL
1 stop6h 25m
KLM
Wed 22/713:55
HEL
-
SOU
1 stop20h 50m
KLM
Deal found 31/5£334

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 31 May 2026.

Round-trip from

£238

One-way from

£137

Popular in

May

Cheapest in

February

Average price

£225
KLM
  • KLM
  • 2/7-8/7
  • 2 total stops
  • 17h 40m total
  • Southampton to Helsinki
Search Deals
12/6
  • 12/6
  • 2 total stops
  • 11h 40m total
  • Southampton to Helsinki
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 31 May 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
Fastest return journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 2/7

17:20-00:25

1 stop5h 05m

Helsinki-Vantaa

Wed 8/7

07:00-17:35

1 stop12h 35m

£238

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 15/7

09:20-23:05

1 stop11h 45m

Helsinki-Vantaa

Wed 22/7

15:35-08:35

2 stops19h 00m

£316

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 10/7

20:10-11:30

3 stops37h 20m

Helsinki-Vantaa

Fri 17/7

13:55-07:20

3 stops19h 25m

£340

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 25/11

12:35-22:50

1 stop8h 15m

Helsinki-Vantaa

Wed 9/12

16:10-09:25

1 stop19h 15m

£557

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 8/9

06:45-22:35

1 stop13h 50m

Helsinki-Vantaa

Thu 10/9

08:20-20:45

1 stop14h 25m

£581

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sat 27/6

09:15-15:20

3 stops28h 05m

Helsinki-Vantaa

Sat 4/7

05:30-18:10

3 stops14h 40m

£582

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sat 29/8

06:45-22:35

1 stop13h 50m

Helsinki-Vantaa

Sat 12/9

16:00-09:45

2 stops19h 45m

£585
Cheapest one-way

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 10/6

12:20-10:10

2 stops19h 50m

£192

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sat 13/6

06:45-15:15

2 stops30h 30m

£396

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 12/6

12:20-12:15

2 stops21h 55m

£403

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 £238. Airlines will cover a distance of 1200 mi.

  • 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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How does Cheapflights help users find flights from Southampton to Helsinki?

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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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