$366 Cheap Flights from Helsinki (HEL) to Southampton (SOU)

View $366 flight on Thu, Aug 28, 2025Opens in a new window

Popular airlines from Helsinki-Vantaa Airport (HEL) to Southampton (SOU)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Helsinki to Southampton (HEL-SOU)

Prices were available within the past 7 days and start at $366 for one-way flights and $427 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Tue, Sep 30 - Tue, Oct 14
HEL
Helsinki
SOU
Southampton
$427 Roundtrip, found 3 days ago
$427
Roundtrip
found 3 days ago
Select KLM flight, departing Tue, Sep 30 from Helsinki to Southampton, returning Tue, Oct 14, priced at $427 found 3 days ago
KLM
Mon, Aug 25 - Wed, Sep 10
HEL
Helsinki
SOU
Southampton
$444 Roundtrip, found 3 days ago
$444
Roundtrip
found 3 days ago
Select KLM flight, departing Mon, Aug 25 from Helsinki to Southampton, returning Wed, Sep 10, priced at $444 found 3 days ago
KLM
Tue, Aug 12 - Sat, Aug 23
HEL
Helsinki
SOU
Southampton
$460 Roundtrip, found 3 days ago
$460
Roundtrip
found 3 days ago
Select KLM flight, departing Tue, Aug 12 from Helsinki to Southampton, returning Sat, Aug 23, priced at $460 found 3 days ago
KLM
Thu, Sep 25 - Tue, Oct 7
HEL
Helsinki
SOU
Southampton
$463 Roundtrip, found 3 days ago
$463
Roundtrip
found 3 days ago
Select KLM flight, departing Thu, Sep 25 from Helsinki to Southampton, returning Tue, Oct 7, priced at $463 found 3 days ago
KLM
Fri, Aug 22 - Wed, Sep 10
HEL
Helsinki
SOU
Southampton
$484 Roundtrip, found 3 days ago
$484
Roundtrip
found 3 days ago
Select KLM flight, departing Fri, Aug 22 from Helsinki to Southampton, returning Wed, Sep 10, priced at $484 found 3 days ago
KLM
Fri, Aug 8 - Wed, Aug 13
HEL
Helsinki
SOU
Southampton
$495 Roundtrip, found 2 days ago
$495
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Aug 8 from Helsinki to Southampton, returning Wed, Aug 13, priced at $495 found 2 days ago
KLM
Fri, Sep 12 - Wed, Oct 1
HEL
Helsinki
SOU
Southampton
$509 Roundtrip, found 3 days ago
$509
Roundtrip
found 3 days ago
Select KLM flight, departing Fri, Sep 12 from Helsinki to Southampton, returning Wed, Oct 1, priced at $509 found 3 days ago
KLM
Fri, Aug 8 - Tue, Aug 12
HEL
Helsinki
SOU
Southampton
$517 Roundtrip, found 2 days ago
$517
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Aug 8 from Helsinki to Southampton, returning Tue, Aug 12, priced at $517 found 2 days ago
Finnair
Thu, Aug 28 - Mon, Sep 1
HEL
Helsinki
SOU
Southampton
$663 Roundtrip, found 6 days ago
$663
Roundtrip
found 6 days ago
Select Finnair flight, departing Thu, Aug 28 from Helsinki to Southampton, returning Mon, Sep 1, priced at $663 found 6 days ago
British Airways
Thu, Aug 28 - Mon, Sep 1
HEL
Helsinki
SOU
Southampton
$1,264 Roundtrip, found 6 days ago
$1,264
Roundtrip
found 6 days ago
Select British Airways flight, departing Thu, Aug 28 from Helsinki to Southampton, returning Mon, Sep 1, priced at $1,264 found 6 days ago

Alternative airports near Southampton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Southampton SOU. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $427
SOU
Southampton
CheapestClosest
Average driving time to city center10 min
Flights from $427
Flights from Helsinki (HEL) to Southampton (SOU)
Origin airport
Vantaa
Destination airport
Southampton
Roundtrip price
$427
Distance
1201 mi

Helsinki to Southampton Flights

The cheapest times to fly from Helsinki to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Helsinki to Southampton are during the month of September. You can find some of the cheapest flights from Helsinki to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helsinki to Southampton

Sunday is one of the best days to book for cheap flights from Helsinki to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Helsinki to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Helsinki to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $366 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Helsinki to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Helsinki to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Vantaa Airport (HEL) to Southampton Airport (SOU) cost?
Snag a cheap one-way flight from $366 or cheap return flight from $427 from Vantaa Airport (HEL) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Vantaa Airport (HEL) to Southampton Airport (SOU)?
Traveling in September may help you find better deals, as it's the cheapest month for flights between HEL and SOU. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Vantaa Airport (HEL) to Southampton Airport (SOU)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from HEL to SOU. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Vantaa Airport (HEL) to Southampton Airport (SOU)?
Direct flights from Vantaa Airport (HEL) to Southampton Airport (SOU) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HEL to SOU?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Vantaa Airport (HEL) to Southampton Airport (SOU)?
To avoid possible delays on the Vantaa Airport (HEL) to Southampton Airport (SOU) route, fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Vantaa Airport (HEL) to Southampton Airport (SOU) last-minute?
Holding off until right before your break to book your flight from HEL to SOU often results in higher prices. While it's possible to find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of scoring a bargain.
Is it cheaper to book a HEL to SOU flight and hotel package?
You'll generally save money by securing a HEL to SOU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your ideal accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Southampton Airport (SOU)?
If you reserved your HEL to SOU flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Explore a world of travel with Expedia

*Available to One Key members.