Find flights
When to book
FAQs

Cheap flights from Portsmouth to Helsinki from £106

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HEL
4 Jul — 11 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Helsinki

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Helsinki
Explore the most affordable flight options available from Portsmouth to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 June 2026.

Fri 11/917:20
SOU
-
HEL
1 stop5h 05m
KLM
Mon 21/918:25
HEL
-
SOU
1 stop16h 10m
KLM
Deal found 3/6£212
Thu 2/717:20
SOU
-
HEL
1 stop5h 05m
KLM
Wed 8/707:00
HEL
-
SOU
1 stop12h 35m
KLM
Deal found 30/5£238
Sat 27/609:15
SOU
-
HEL
1 stop6h 25m
KLM
Sat 4/713:55
HEL
-
SOU
1 stop20h 50m
KLM
Deal found 30/5£274
Sat 27/609:15
SOU
-
HEL
1 stop6h 25m
KLM
Tue 7/718:25
HEL
-
SOU
1 stop16h 20m
KLM
Deal found 31/5£275
Mon 15/619:20
SOU
-
HEL
2 stops17h 15m
Multiple Airlines
Thu 18/610:45
HEL
-
SOU
2 stops24h 00m
Multiple Airlines
Deal found 2/6£280
Sun 28/609:15
SOU
-
HEL
1 stop13h 10m
KLM
Wed 8/707:00
HEL
-
SOU
1 stop12h 35m
KLM
Deal found 31/5£283
Tue 30/614:15
SOU
-
HEL
1 stop22h 55m
Multiple Airlines
Fri 10/710:20
HEL
-
SOU
1 stop11h 20m
Multiple Airlines
Deal found 31/5£304
Thu 2/715:25
SOU
-
HEL
2 stops16h 05m
Multiple Airlines
Wed 8/715:55
HEL
-
SOU
1 stop25h 00m
Multiple Airlines
Deal found 30/5£307
Tue 30/614:15
SOU
-
HEL
1 stop22h 55m
Multiple Airlines
Thu 9/707:00
HEL
-
SOU
2 stops11h 50m
Multiple Airlines
Deal found 31/5£313
Wed 15/709:20
SOU
-
HEL
1 stop11h 45m
Multiple Airlines
Wed 22/715:35
HEL
-
SOU
2 stops19h 00m
Multiple Airlines
Deal found 31/5£316
Sat 27/609:15
SOU
-
HEL
1 stop6h 25m
KLM
Thu 9/718:25
HEL
-
SOU
1 stop16h 20m
KLM
Deal found 31/5£318

Find flight deals from Portsmouth to Helsinki

Keep the following information in mind while searching for Portsmouth to Helsinki flight deals. Data was last updated 4 June 2026.

Round-trip from

£212

One-way from

£106

Popular in

May

Cheapest in

February

Average price

£220
KLM
  • KLM
  • 11/9-21/9
  • 2 total stops
  • 21h 15m total
  • Portsmouth to Helsinki
Search Deals
9/10
  • 9/10
  • 2 total stops
  • 18h 45m total
  • Portsmouth to Helsinki
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 4 June 2026.
Use the filters below to find and compare flights from Portsmouth to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 11/9

17:20-00:25

1 stop5h 05m

Helsinki-Vantaa

Mon 21/9

18:25-08:35

1 stop16h 10m

£212
Fastest return journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 2/7

17:20-00:25

1 stop5h 05m

Helsinki-Vantaa

Wed 8/7

07:00-17:35

1 stop12h 35m

£238

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 15/6

19:20-14:35

2 stops17h 15m

Helsinki-Vantaa

Thu 18/6

10:45-08:45

2 stops24h 00m

£280

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 28/6

09:15-00:25

1 stop13h 10m

Helsinki-Vantaa

Tue 7/7

18:25-08:45

1 stop16h 20m

£283

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 28/6

09:15-00:25

1 stop13h 10m

Helsinki-Vantaa

Wed 8/7

07:00-17:35

1 stop12h 35m

£283

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 26/6

17:20-00:25

1 stop5h 05m

Helsinki-Vantaa

Tue 7/7

18:25-08:45

1 stop16h 20m

£403

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 30/11

18:20-14:45

1 stop18h 25m

Helsinki-Vantaa

Mon 14/12

08:05-17:40

1 stop11h 35m

£566

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sat 27/6

09:15-15:20

3 stops28h 05m

Helsinki-Vantaa

Sat 4/7

05:30-18:10

3 stops14h 40m

£583
Cheapest one-way

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 9/10

14:30-11:15

2 stops18h 45m

£106

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 16/6

18:10-23:25

3 stops27h 15m

£118

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Portsmouth to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Portsmouth 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 Portsmouth to Helsinki

What is the cheapest time of day to fly from P0R to HEL?

Find hourly flight availability from Portsmouth to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 June 2026.

When flying from Portsmouth to Helsinki, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at midday.

Weekly flight availability from Portsmouth to Helsinki

Explore weekly flight availability from Portsmouth to Helsinki. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 June 2026.

The most flights from P0R to HEL are scheduled on a Tuesday (29 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (21 on average).

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Helsinki from Portsmouth?

    If you book a flight to Helsinki from Portsmouth, you will be flying to Helsinki-Vantaa, which is the city’s only airport. Helsinki-Vantaa (HEL) is located 10.6 mi from the center of Helsinki. There are 0 flights from Portsmouth to Helsinki-Vantaa per day from 10 different airlines.

  • How long is the flight from Portsmouth to Helsinki?

    For as low as £212, KLM can have you in Helsinki from Portsmouth in 5h 05m. There are 1200 mi between Portsmouth and Helsinki.

  • What are the most reliable airlines from Portsmouth to Helsinki?

    Before booking your flight to Helsinki from Portsmouth, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (92%), Malaysia Airlines (90%), Japan Airlines( 89%).

  • What are the cheapest flights from Portsmouth to Helsinki?

    Looking for the cheapest flight from Portsmouth to Helsinki? While on average our users pay £1,126, our data indicates the cheapest price to be £130. The most popular route (Southampton Eastleigh - Helsinki-Vantaa), is priced around £212.

  • Can I find deals for flights from Portsmouth to Helsinki that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Helsinki flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Helsinki.

  • Can I find deals for business class flights from Portsmouth to Helsinki?

    Yes. Cheapflights offers flight deals from Portsmouth 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Portsmouth to Helsinki

Discover the top 10 airlines that operate flights from Portsmouth 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 4 June 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£48Average£152FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
airBalticCheapest£76Average£205FlexibilityNo cancel feeOn-time87%
Search airBaltic flights
NorwegianCheapest£90Average£214FlexibilityNo cancel feeOn-timeN/A
Search Norwegian flights
NorwegianCheapest£95Average£186FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
Scandinavian AirlinesCheapest£128Average£163FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£129Average£272FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£154Average£264FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£158Average£401FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£164Average£241FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£187Average£190FlexibilityNo cancel feeOn-time77%
Search Air France 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 Portsmouth to Helsinki?

Cheapflights helps you search for flights from Portsmouth to Helsinki via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth 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 Portsmouth to Helsinki.

Can Cheapflights find flights from Portsmouth to Helsinki with no change fees?

Certainly. Search results for flights to Helsinki from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portsmouth 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.