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Cheap flights from Southampton to Helsinki from £245

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HEL
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheap 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 22 October 2025.

Round-trip from

£245

Popular in

July

Cheapest in

January

Average price

£162
KLM
  • KLM
  • 5/12-12/12
  • 2 total stops
  • 9h 30m total
  • Southampton to Helsinki
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£30 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Find 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 22 October 2025.

Fri 5/1217:30SOU - HEL
1 stop4h 35mKLM
Fri 12/1214:05HEL - SOU
1 stop4h 55mKLM
Deal found 21/10£245
Fri 5/1208:10SOU - HEL
2 stops31h 15mMultiple Airlines
Fri 12/1207:00HEL - SOU
2 stops14h 20mMultiple Airlines
Deal found 21/10£260
Tue 4/1114:35SOU - HEL
1 stop6h 15mBritish Airways
Sun 9/1116:15HEL - SOU
1 stop27h 10mBritish Airways
Deal found 19/10£684
Tue 4/1114:35SOU - HEL
1 stop6h 15mBritish Airways
Tue 11/1108:00HEL - SOU
1 stop8h 05mBritish Airways
Deal found 19/10£725
Wed 5/1114:25SOU - HEL
1 stop6h 25mBritish Airways
Sun 9/1108:00HEL - SOU
1 stop11h 50mBritish Airways
Deal found 19/10£726
Tue 4/1114:35SOU - HEL
1 stop6h 15mBritish Airways
Mon 10/1108:00HEL - SOU
1 stop11h 25mBritish Airways
Deal found 19/10£732
Fri 28/1113:30SOU - HEL
1 stop7h 35mBritish Airways
Sun 30/1108:00HEL - SOU
1 stop11h 50mBritish Airways
Deal found 21/10£732

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 22 October 2025.
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

Fri 5/12

17:30-00:05

1 stop4h 35m

Helsinki-Vantaa

Fri 12/12

14:05-17:00

1 stop4h 55m

£245

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 24/2

08:40-17:25

1 stop6h 45m

Helsinki-Vantaa

Sat 28/2

18:20-08:50

1 stop16h 30m

£245

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 5/12

08:10-17:25

2 stops31h 15m

Helsinki-Vantaa

Fri 12/12

07:00-19:20

2 stops14h 20m

£260

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 24/2

15:05-12:20

2 stops19h 15m

Helsinki-Vantaa

Sat 28/2

06:15-14:50

2 stops10h 35m

£305

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 30/3

09:20-00:20

1 stop13h 00m

Helsinki-Vantaa

Tue 31/3

07:00-08:50

1 stop27h 50m

£430

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 30/3

06:50-22:30

1 stop13h 40m

Helsinki-Vantaa

Tue 31/3

14:05-20:45

2 stops8h 40m

£519

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 6/11

14:35-12:20

3 stops19h 45m

£476

Flights are sorted by cheapest return flights first.

Deals found on 20/10

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 £29). Flying from Southampton to Helsinki in July is currently the most expensive (average of £103). 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.

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 22 October 2025.
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
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Crew

8.4

Comfort

7.6

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 4h 35m. KLM provides one of the quickest options available for as low as £245. 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 (£151), 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.

  • 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 £29). Flying from Southampton to Helsinki in July is currently the most expensive (average of £103). 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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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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£151Average£224FlexibilityNo 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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