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Cheap flights from Southampton to Helsinki from £99

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HEL
22 mar. — 29 mar.1
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 20 februar 2026.

lø. 4/417:20
SOU
-
HEL
1 stop17h 45m
KLM
lø. 11/418:25
HEL
-
SOU
1 stop16h 20m
KLM
Deal found 18/2£214
to. 19/320:10
SOU
-
HEL
2 stops23h 45m
Multiple Airlines
to. 26/323:05
HEL
-
SOU
2 stops22h 15m
Multiple Airlines
Deal found 19/2£223
to. 19/308:50
SOU
-
HEL
1 stop6h 35m
KLM
to. 26/318:20
HEL
-
SOU
1 stop16h 00m
KLM
Deal found 19/2£240
lø. 4/417:20
SOU
-
HEL
1 stop17h 45m
Multiple Airlines
lø. 11/418:25
HEL
-
SOU
2 stops24h 25m
Multiple Airlines
Deal found 18/2£326
to. 20/812:35
SOU
-
HEL
1 stop8h 00m
British Airways
to. 3/906:50
HEL
-
SOU
1 stop9h 55m
British Airways
Deal found 19/2£565
to. 21/506:50
SOU
-
HEL
1 stop13h 45m
British Airways
to. 4/608:20
HEL
-
SOU
1 stop11h 20m
British Airways
Deal found 19/2£580

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 20 februar 2026.

Round-trip from

£214

One-way from

£99

Popular in

July

Cheapest in

February

Average price

£59
KLM
  • KLM
  • 4/4-11/4
  • 2 total stops
  • 34h 05m total
  • Southampton to Helsinki
Search Deals
1/6
  • 1/6
  • 2 total stops
  • 32h 00m total
  • Southampton to Helsinki
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£36 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 February 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 20 februar 2026.
Use the filters below to find and compare flights from Southampton to Helsinki that are best for you.

Fly from

Southampton

Fly to

Helsinki

Route

Depart

Return

Price

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

lø. 4/4

17:20-13:05

1 stop17h 45m

Helsinki-Vantaa

lø. 11/4

18:25-08:45

1 stop16h 20m

£214

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

to. 19/3

20:10-21:55

2 stops23h 45m

Helsinki-Vantaa

to. 26/3

23:05-19:20

2 stops22h 15m

£223

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

to. 19/3

08:50-17:25

1 stop6h 35m

Helsinki-Vantaa

to. 26/3

18:20-08:20

1 stop16h 00m

£240

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

lø. 4/4

17:20-13:05

1 stop17h 45m

Helsinki-Vantaa

lø. 11/4

05:30-08:35

3 stops29h 05m

£338

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

to. 21/5

06:50-22:35

1 stop13h 45m

Helsinki-Vantaa

to. 4/6

08:20-17:40

1 stop11h 20m

£580

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

ti. 14/4

06:50-22:35

1 stop13h 45m

Helsinki-Vantaa

on. 15/4

14:05-08:25

2 stops20h 20m

£608

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

on. 19/8

08:55-22:40

1 stop11h 45m

Helsinki-Vantaa

on. 2/9

14:05-08:25

2 stops20h 20m

£620

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

ti. 19/5

12:35-22:35

1 stop8h 00m

Helsinki-Vantaa

ti. 2/6

16:05-20:45

1 stop6h 40m

£626

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

ma. 1/6

12:55-14:35

3 stops23h 40m

£134

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

ma. 1/6

09:05-00:25

1 stop13h 20m

£139

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 17 results
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.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Helsinki

What is the cheapest month to book a flight from Southampton to Helsinki?

Currently, March is the cheapest month in which you can book a flight from Southampton to Helsinki (average of £35). Flying from Southampton to Helsinki in July is currently the most expensive (average of £102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 17h 45m. KLM provides one of the quickest options available for as low as £214. 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.

  • What is the cheapest month to book a flight from Southampton to Helsinki?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Helsinki (average of £35). Flying from Southampton to Helsinki in July is currently the most expensive (average of £102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Helsinki from Southampton today with Cheapflights!

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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