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Cheap flights from Southampton to Helsinki from £173

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HEL
2 Sep — 9 Sep1
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 3 August 2026.

Wed 2/917:20
SOU
-
HEL
1 stop5h 05m
KLM
Wed 9/907:00
HEL
-
SOU
1 stop11h 50m
KLM
Deal found 3/8£211
Thu 3/917:20
SOU
-
HEL
1 stop17h 45m
KLM
Wed 9/907:00
HEL
-
SOU
1 stop11h 50m
KLM
Deal found 31/7£219
Tue 8/917:20
SOU
-
HEL
1 stop5h 05m
KLM
Tue 15/918:25
HEL
-
SOU
1 stop24h 25m
KLM
Deal found 3/8£221
Mon 14/917:20
SOU
-
HEL
1 stop17h 45m
KLM
Mon 21/918:25
HEL
-
SOU
1 stop16h 10m
KLM
Deal found 31/7£243
Tue 8/906:45
SOU
-
HEL
2 stops15h 25m
Multiple Airlines
Tue 15/923:50
HEL
-
SOU
2 stops19h 00m
Multiple Airlines
Deal found 3/8£254
Mon 14/920:40
SOU
-
HEL
3 stops22h 40m
Multiple Airlines
Mon 21/908:05
HEL
-
SOU
2 stops26h 35m
Multiple Airlines
Deal found 31/7£257
Wed 2/912:20
SOU
-
HEL
2 stops19h 50m
Multiple Airlines
Wed 9/907:05
HEL
-
SOU
2 stops27h 30m
Multiple Airlines
Deal found 3/8£271

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 3 August 2026.

Round-trip from

£211

One-way from

£173

Popular in

June

Cheapest in

February

Average price

£224
KLM
  • KLM
  • 2/9-9/9
  • 2 total stops
  • 16h 55m total
  • Southampton to Helsinki
Search Deals
12/8
  • 12/8
  • 2 total stops
  • 35h 30m total
  • Southampton to Helsinki
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 3 August 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 3/9

17:20-13:05

1 stop17h 45m

Helsinki-Vantaa

Wed 9/9

07:00-16:50

1 stop11h 50m

£219

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 8/9

17:20-13:05

1 stop17h 45m

Helsinki-Vantaa

Tue 15/9

13:55-08:45

1 stop20h 50m

£219

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 14/9

19:20-14:35

2 stops17h 15m

Helsinki-Vantaa

Mon 21/9

08:05-08:40

2 stops26h 35m

£243

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 14/9

17:20-13:05

1 stop17h 45m

Helsinki-Vantaa

Mon 21/9

18:25-08:35

1 stop16h 10m

£243

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 8/9

06:45-00:10

2 stops15h 25m

Helsinki-Vantaa

Tue 15/9

23:50-16:50

2 stops19h 00m

£254

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 2/9

20:00-09:30

3 stops35h 30m

Helsinki-Vantaa

Wed 9/9

11:05-08:35

2 stops23h 30m

£315

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 19/11

12:35-12:20

2 stops21h 45m

Helsinki-Vantaa

Mon 23/11

07:50-19:00

2 stops13h 10m

£610
Cheapest one-way

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 12/8

20:00-09:30

2 stops35h 30m

£173

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 11/8

14:25-14:35

1 stop22h 10m

£204
Fastest single journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sat 8/8

16:45-15:15

2 stops20h 30m

£521

Flights are sorted by cheapest return flights first.

Deals found on 30/7

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.

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated 3 August 2026.
Get a feel of what it's like to fly with KLM from Southampton to Helsinki by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,552 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Overall

7.8

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 £219. Airlines will cover a distance of 1200 mi.

  • What is the cheapest airline to fly from Southampton to Helsinki round-trip?

    According to our current data, KLM (£192), offers the cheapest pricing from Southampton to Helsinki.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Southampton to Helsinki

Discover the top airline that operate flights from Southampton to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 August 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£192Average£359FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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