$41 Cheap Flights from London (STN) to Helsinki (HEL)

View $41 flight on Fri, Sep 19, 2025Opens in a new window

Popular airlines from Stansted Airport (STN) to Helsinki-Vantaa Airport (HEL)

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Cheap Flights from London to Helsinki (STN-HEL)

Prices were available within the past 7 days and start at $41 for one-way flights and $84 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Thu, Sep 25 - Mon, Sep 29
STN
London
HEL
Helsinki
$84 Roundtrip, found 3 days ago
$84
Roundtrip
found 3 days ago
Select Ryanair flight, departing Thu, Sep 25 from London to Helsinki, returning Mon, Sep 29, priced at $84 found 3 days ago
Ryanair
Wed, Oct 1 - Mon, Oct 6
STN
London
HEL
Helsinki
$85 Roundtrip, found 4 days ago
$85
Roundtrip
found 4 days ago
Select Ryanair flight, departing Wed, Oct 1 from London to Helsinki, returning Mon, Oct 6, priced at $85 found 4 days ago
Ryanair
Fri, Sep 19 - Sun, Sep 21
STN
London
HEL
Helsinki
$86 Roundtrip, found 6 days ago
$86
Roundtrip
found 6 days ago
Select Ryanair flight, departing Fri, Sep 19 from London to Helsinki, returning Sun, Sep 21, priced at $86 found 6 days ago
Ryanair
Wed, Oct 1 - Sun, Oct 5
STN
London
HEL
Helsinki
$87 Roundtrip, found 17 hours ago
$87
Roundtrip
found 17 hours ago
Select Ryanair flight, departing Wed, Oct 1 from London to Helsinki, returning Sun, Oct 5, priced at $87 found 17 hours ago
Ryanair
Sun, Oct 12 - Wed, Oct 15
STN
London
HEL
Helsinki
$88 Roundtrip, found 2 days ago
$88
Roundtrip
found 2 days ago
Select Ryanair flight, departing Sun, Oct 12 from London to Helsinki, returning Wed, Oct 15, priced at $88 found 2 days ago
Ryanair
Wed, Sep 24 - Tue, Oct 7
STN
London
HEL
Helsinki
$91 Roundtrip, found 4 days ago
$91
Roundtrip
found 4 days ago
Select Ryanair flight, departing Wed, Sep 24 from London to Helsinki, returning Tue, Oct 7, priced at $91 found 4 days ago
Ryanair
Wed, Sep 10 - Sat, Sep 13
STN
London
HEL
Helsinki
$93 Roundtrip, found 4 hours ago
$93
Roundtrip
found 4 hours ago
Select Ryanair flight, departing Wed, Sep 10 from London to Helsinki, returning Sat, Sep 13, priced at $93 found 4 hours ago
Ryanair
Fri, Nov 14 - Sun, Nov 30
STN
London
HEL
Helsinki
$94 Roundtrip, found 1 hour ago
$94
Roundtrip
found 1 hour ago
Select Ryanair flight, departing Fri, Nov 14 from London to Helsinki, returning Sun, Nov 30, priced at $94 found 1 hour ago
Ryanair
Fri, Nov 14 - Sun, Nov 30
STN
London
HEL
Helsinki
$95 Roundtrip, found 1 hour ago
$95
Roundtrip
found 1 hour ago
Select Ryanair flight, departing Fri, Nov 14 from London to Helsinki, returning Sun, Nov 30, priced at $95 found 1 hour ago
Lufthansa
Tue, Sep 23 - Sun, Sep 28
STN
London
HEL
Helsinki
$351 Roundtrip, found 23 hours ago
$351
Roundtrip
found 23 hours ago
Select Lufthansa flight, departing Tue, Sep 23 from London to Helsinki, returning Sun, Sep 28, priced at $351 found 23 hours ago

Alternative airports near Helsinki

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

Select flight to Vantaa HEL. Cheapest option available. Average driving time to city center is 22 minutes. Flights from $280
HEL
Vantaa
Cheapest
Average driving time to city center22 min
Flights from $280
Flights from London (STN) to Helsinki (HEL)
Origin airport
Stansted
Destination airport
Vantaa
Airlines serving
Lufthansa, Ryanair
Roundtrip price
$83
Distance
1105 mi
Average flight time
2 hours 50 mins

London to Helsinki Flights

The cheapest times to fly from London to Helsinki

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 London to Helsinki are during the month of September. You can find some of the cheapest flights from London to Helsinki with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Helsinki

Sunday is one of the best days to book for cheap flights from London to Helsinki: 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 London to Helsinki

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 London to Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $41 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 London to Helsinki 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 London to Helsinki 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 Stansted Airport (STN) to Vantaa Airport (HEL) cost?
You'll find cheap return flights from Stansted Airport (STN) to Vantaa Airport (HEL) starting from $84. Book a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Ryanair flight leaving STN on August 19 2025 and touching down at HEL. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from STN to HEL?
The cheapest flights from STN to HEL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Stansted Airport (STN) to Vantaa Airport (HEL)?
Although London (STN-Stansted) has no direct flights to Vantaa Airport (HEL), other airports have nonstop options. Departing from Heathrow Airport (LHR) will get you to Helsinki without any layovers.
What is the cheapest airline that flies from STN to HEL?
Currently, the cheapest carrier operating one-way flights from STN to HEL is Ryanair. You can book a seat on this route from $42. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STN on September 3 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Stansted Airport (STN) to Vantaa Airport (HEL)?
On average, just 1 nonstop flight departs daily from Stansted Airport (STN) to Vantaa Airport (HEL). Looking for more options? Use Expedia's filter tool to find flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from Stansted Airport (STN) to Vantaa Airport (HEL)?
More passengers fly between STN and HEL at 6 AM than at any other time. Looking for a quieter experience? Consider flying outside peak hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from STN to HEL?
Fly on a Friday if you're after the largest selection of flights from Stansted Airport (STN) to Vantaa Airport (HEL).
What is the earliest flight from Stansted Airport (STN) to Vantaa Airport (HEL)?
Catch the earliest flight at around 6:00AM UTC+0, departing from Stansted Airport (STN). You'll be flying for approximately 2h 50m, touching down at Vantaa Airport (HEL) at approximately 10:50AM UTC+2.
How long does it take to fly from Stansted Airport (STN) to Vantaa Airport (HEL)?
Flights from STN to HEL have an average travel time of 2 hours and 50 minutes. The distance between the two airports is 1,100 mi.
What is the best time to fly from Stansted Airport (STN) to Vantaa Airport (HEL)?
Choose a flight from Stansted Airport (STN) to Vantaa Airport (HEL) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 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.
What airports do you fly into for Helsinki from Stansted Airport (STN)?
Vantaa Airport (HEL) is the only airport in Helsinki with direct flights from Stansted Airport (STN). Browse the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Stansted Airport (STN) to Vantaa Airport (HEL) last-minute?
Holding off until right before your break to book your flight from STN to HEL generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a STN to HEL flight and hotel package?
You can save money by booking a STN to HEL 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. Once you've selected your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Stansted Airport (STN) to Vantaa Airport (HEL)?
If you booked your STN to HEL flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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