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Cheap flights from Southampton to Helsinki from £254

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Helsinki departing on 18/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

KLM Logo
09:20 - 00:20SOU-HEL
13h 00m1 stop
KLM Logo
18:25 - 08:45HEL-SOU
16h 20m1 stop
£254KLM
Find Deal
Thu, 18 Sep - Sat, 20 Sep
KLM Logo
17:35 - 00:20SOU-HEL
4h 45m1 stop
KLM Logo
18:25 - 08:45HEL-SOU
16h 20m1 stop
£255KLM
Find Deal
Thu, 18 Sep - Sat, 20 Sep
British Airways Logo
06:50 - 22:50SOU-HEL
14h 00m1 stop
British Airways Logo
16:15 - 20:55HEL-SOU
6h 40m1 stop
£583British Airways
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Wed, 5 Nov - Thu, 6 Nov
British Airways Logo
11:40 - 22:50SOU-HEL
9h 10m1 stop
British Airways Logo
08:00 - 20:55HEL-SOU
14h 55m1 stop
£606British Airways
Find Deal
Fri, 14 Nov - Sun, 16 Nov
British Airways Logo
11:40 - 22:50SOU-HEL
9h 10m1 stop
British Airways Logo
16:00 - 08:10HEL-SOU
18h 10m2 stops
£674British Airways
Find Deal
Fri, 14 Nov - Sun, 16 Nov
British Airways Logo
11:40 - 22:50SOU-HEL
9h 10m1 stop
British Airways Logo
07:50 - 19:25HEL-SOU
13h 35m2 stops
£713British Airways
Find Deal
Wed, 5 Nov - Thu, 6 Nov

British Airways flights from Southampton to Helsinki

Our best British Airways deals on Southampton to Helsinki flight tickets
British Airways
5 Nov
SOU06:50Southampton Eastleigh
14h 00m
1 stop
HEL22:50Helsinki-Vantaa
6 Nov
HEL16:15Helsinki-Vantaa
6h 40m
1 stop
SOU20:55Southampton Eastleigh
£583
Find similar
British Airways
14 Nov
SOU11:40Southampton Eastleigh
9h 10m
1 stop
HEL22:50Helsinki-Vantaa
16 Nov
HEL08:00Helsinki-Vantaa
14h 55m
1 stop
SOU20:55Southampton Eastleigh
£606
Find similar
British Airways
14 Nov
SOU11:40Southampton Eastleigh
9h 10m
1 stop
HEL22:50Helsinki-Vantaa
16 Nov
HEL16:00Helsinki-Vantaa
18h 10m
2 stops
SOU08:10Southampton Eastleigh
£674
Find similar

KLM flights from Southampton to Helsinki

Our best KLM deals on Southampton to Helsinki flight tickets
KLM
18 Sept
SOU09:20Southampton Eastleigh
13h 00m
1 stop
HEL00:20Helsinki-Vantaa
20 Sept
HEL18:25Helsinki-Vantaa
16h 20m
1 stop
SOU08:45Southampton Eastleigh
£254
Find similar
KLM
18 Sept
SOU17:35Southampton Eastleigh
4h 45m
1 stop
HEL00:20Helsinki-Vantaa
20 Sept
HEL18:25Helsinki-Vantaa
16h 20m
1 stop
SOU08:45Southampton Eastleigh
£255
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 1 August 2025.
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

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 18/9

09:20-00:20

1 stop13h 00m

Helsinki-Vantaa

Sat 20/9

18:25-08:45

1 stop16h 20m

£254

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 18/9

17:35-00:20

1 stop4h 45m

Helsinki-Vantaa

Sat 20/9

18:25-08:45

1 stop16h 20m

£255

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 5/11

06:50-22:50

1 stop14h 00m

Helsinki-Vantaa

Thu 6/11

16:15-20:55

1 stop6h 40m

£583

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 14/11

11:40-22:50

1 stop9h 10m

Helsinki-Vantaa

Sun 16/11

08:00-20:55

1 stop14h 55m

£606

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 14/11

11:40-22:50

1 stop9h 10m

Helsinki-Vantaa

Sun 16/11

16:00-08:10

2 stops18h 10m

£674

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 5/11

11:40-22:50

1 stop9h 10m

Helsinki-Vantaa

Thu 6/11

07:50-19:25

2 stops13h 35m

£713

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 5/11

06:50-22:50

1 stop14h 00m

£298

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 16/9

16:30-12:20

2 stops17h 50m

£358

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 5/11

19:55-23:05

2 stops25h 10m

£368

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 10/10

08:40-12:20

2 stops25h 40m

£394

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Helsinki from

How to get the cheapest flight ticket from Southampton to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart from Southampton to Helsinki is on a Tuesday. Travellers who choose to depart for Helsinki on a Tuesday will often find tickets for as low as £471. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Helsinki on Saturday is £571.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from Southampton to Helsinki in the evening for as low as £134. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Helsinki are more costly at midday, with an average ticket price of £568. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Southampton to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Southampton to Helsinki (SOU to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Helsinki

Best price found

£298

Fastest flight time

4h 45m

Direct flights

None

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from Southampton in the past 72 hours is £298. The best return flight deal from Southampton to Helsinki found on momondo in the last 72 hours is £254.
The fastest flight from Southampton to Helsinki takes 4h 45m
There are no direct flights from Southampton to Helsinki. Popular non-direct route for this connection is Southampton Eastleigh Airport - Helsinki-Vantaa Airport.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
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  • How far is Southampton Eastleigh to Helsinki-Vantaa by plane?

    The straight-line distance from Southampton Eastleigh to Helsinki-Vantaa is 1199.0 mi. Typically, this will take 4h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Southampton Eastleigh Airport to Helsinki-Vantaa Airport?

    Prices for flights from Southampton Eastleigh Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Southampton Eastleigh Airport to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from Southampton Eastleigh Airport to Helsinki-Vantaa Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Southampton to Helsinki?

Best airlines flying from Southampton to Helsinki

Compare and see reviews for airlines that fly from Southampton to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £153Free CancellationRating
7.8
1,383 reviews
Search KLM flights

Travelling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Lahti
Kotka

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Helsinki?

It is quick and easy to find Southampton to Helsinki flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helsinki that suits you.

Can I find flights from Southampton to Helsinki with flexible booking policies on momondo?

Yes. All flights to Helsinki from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Southampton to Helsinki?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southampton to Helsinki.

I’m not ready to book a flight from Southampton to Helsinki right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Southampton to Helsinki flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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