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Cheap flights from Southampton to Helsinki from £100

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HEL
18 Aug — 25 Aug1
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 19 July 2026.

Mon 7/1217:30
SOU
-
HEL
1 stop17h 40m
KLM
Sat 12/1218:20
HEL
-
SOU
1 stop16h 35m
KLM
Deal found 18/7£246
Sun 1/1112:35
SOU
-
HEL
2 stops8h 30m
British Airways
Fri 25/1214:00
HEL
-
SOU
2 stops24h 05m
British Airways
Deal found 19/7£620
Tue 22/908:55
SOU
-
HEL
2 stops25h 20m
British Airways
Wed 23/916:00
HEL
-
SOU
2 stops18h 25m
British Airways
Deal found 14/7£700
Sun 1/1108:55
SOU
-
HEL
2 stops10h 15m
British Airways
Mon 21/1214:00
HEL
-
SOU
2 stops20h 25m
British Airways
Deal found 19/7£704
Sun 1/1112:35
SOU
-
HEL
2 stops8h 30m
British Airways
Wed 23/1207:50
HEL
-
SOU
2 stops26h 35m
British Airways
Deal found 19/7£712
Sun 1/1112:35
SOU
-
HEL
2 stops21h 45m
British Airways
Tue 22/1207:50
HEL
-
SOU
2 stops13h 10m
British Airways
Deal found 19/7£730
Mon 27/716:15
SOU
-
HEL
2 stops18h 00m
British Airways
Sat 8/814:05
HEL
-
SOU
2 stops20h 20m
British Airways
Deal found 17/7£971
Sat 25/719:40
SOU
-
HEL
2 stops17h 35m
British Airways
Fri 7/819:30
HEL
-
SOU
2 stops18h 35m
British Airways
Deal found 17/7£988
Sun 26/712:35
SOU
-
HEL
2 stops24h 40m
British Airways
Sat 8/814:05
HEL
-
SOU
2 stops20h 20m
British Airways
Deal found 17/7£1,093

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 19 July 2026.

Round-trip from

£246

One-way from

£100

Popular in

June

Cheapest in

February

Average price

£259
KLM
  • KLM
  • 7/12-12/12
  • 2 total stops
  • 34h 15m total
  • Southampton to Helsinki
Search Deals
20/9
  • 20/9
  • 2 total stops
  • 23h 35m total
  • Southampton to Helsinki
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (£61 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 July 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 19 July 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

Mon 7/12

17:30-13:10

1 stop17h 40m

Helsinki-Vantaa

Sat 12/12

11:05-08:55

2 stops23h 50m

£334
Fastest return journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 1/11

12:35-23:05

2 stops8h 30m

Helsinki-Vantaa

Fri 25/12

14:00-12:05

2 stops24h 05m

£620

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 22/9

08:55-12:15

2 stops25h 20m

Helsinki-Vantaa

Wed 23/9

16:00-08:25

2 stops18h 25m

£700

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 1/11

08:55-23:05

2 stops12h 10m

Helsinki-Vantaa

Sat 19/12

14:00-08:25

2 stops20h 25m

£704

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 1/11

12:35-23:05

2 stops8h 30m

Helsinki-Vantaa

Wed 23/12

07:50-08:25

2 stops26h 35m

£712

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 1/11

12:35-12:20

2 stops21h 45m

Helsinki-Vantaa

Tue 22/12

07:50-19:00

2 stops13h 10m

£730
Cheapest one-way
Fastest single journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 20/9

17:20-00:25

1 stop5h 05m

£146

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 20/9

10:00-09:15

3 stops21h 15m

£158

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 3/8

20:40-16:45

1 stop18h 05m

£165

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 28/10

08:55-12:20

2 stops25h 25m

£298

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 17 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.

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 19 July 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
1,542 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.8

Entertainment

7.2

Boarding

7.8

Comfort

7.7

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
1,542 reviews
KLM
7.8
Good
1,542 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.8

Entertainment

7.2

Boarding

7.8

Comfort

7.7

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 8h 30m. KLM provides one of the quickest options available for as low as £620. Airlines will cover a distance of 1200 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 19 July 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£192Average£360FlexibilityNo 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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