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Cheap flights from Portsmouth to Finland from £232

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HEL
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Finland

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Finland
Explore the most affordable flight options available from Portsmouth to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 May 2026.

Mon 22/617:20
SOU
-
HEL
1 stop5h 05m
KLM
Mon 29/618:25
HEL
-
SOU
1 stop16h 10m
KLM
Deal found 19/5£232
Sat 20/609:15
SOU
-
HEL
1 stop13h 10m
KLM
Sat 27/613:55
HEL
-
SOU
1 stop20h 50m
KLM
Deal found 21/5£280
Mon 22/620:40
SOU
-
HEL
2 stops28h 15m
Multiple Airlines
Mon 29/605:30
HEL
-
SOU
3 stops40h 00m
Multiple Airlines
Deal found 19/5£339
Sat 20/606:45
SOU
-
HEL
2 stops25h 50m
Multiple Airlines
Sat 27/607:00
HEL
-
SOU
2 stops27h 35m
Multiple Airlines
Deal found 21/5£378

Find flight deals from Portsmouth to Finland

Keep the following information in mind while searching for Portsmouth to Finland flight deals. Data was last updated 22 May 2026.

Round-trip from

£232

Popular in

July

Cheapest in

February

Average price

£214
KLM
  • KLM
  • 22/6-29/6
  • 2 total stops
  • 21h 15m total
  • Portsmouth to Finland
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 22/6

09:05-08:55

2 stops21h 50m

Helsinki-Vantaa

Mon 29/6

18:25-08:35

1 stop16h 10m

£282

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 22/6

20:40-02:55

2 stops28h 15m

Helsinki-Vantaa

Mon 29/6

05:30-19:30

3 stops40h 00m

£339

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sat 20/6

06:45-10:35

2 stops25h 50m

Helsinki-Vantaa

Sat 27/6

05:30-08:35

3 stops29h 05m

£378

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 20/8

06:45-22:35

1 stop13h 50m

Helsinki-Vantaa

Thu 3/9

06:50-14:45

1 stop9h 55m

£569

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 8/9

12:20-14:50

1 stop24h 30m

Helsinki-Vantaa

Thu 10/9

08:20-20:45

1 stop14h 25m

£582
Fastest return journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 21/8

06:45-22:35

1 stop13h 50m

Helsinki-Vantaa

Fri 4/9

16:05-20:45

1 stop6h 40m

£625
Cheapest one-way

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 4/8

12:20-23:00

2 stops32h 40m

£316

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 3/8

18:25-23:00

2 stops26h 35m

£316

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 29/7

09:05-13:00

1 stop25h 55m

£334

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 31/7

18:25-22:35

1 stop26h 10m

£344

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Best time to book a flight from Portsmouth to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland 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 Finland

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

Find hourly flight availability from Portsmouth to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 May 2026.

It’s typically best to fly out from Portsmouth to Finland in the evening. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Portsmouth to Finland

Explore weekly flight availability from Portsmouth to Finland. 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 22 May 2026.

The most flights from P0R to FI0 are scheduled on a Monday (27 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 Finland. 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 Portsmouth to Finland?

    KLM can get you from Portsmouth to Finland in just under 21h 50m. Your travel time can differ by up to . Airlines will cover a distance of 1200 mi.

  • What are the most popular routes from Portsmouth to Finland?

    The most popular route from Portsmouth to Finland is Southampton Eastleigh - Helsinki-Vantaa. You may also consider Southampton Eastleigh - Kokkola Kruunupyy or Southampton Eastleigh - Kittilä.

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

    Before booking your flight to Finland from Portsmouth, check out the most reliable airlines to get you to your destination on time: Vietnam Airlines (92%), Malaysia Airlines (91%), Japan Airlines( 91%).

  • What are the cheapest flights from Portsmouth to Finland?

    The cheapest flight price from Portsmouth to Finland is £120. On average you can expect to pay £1,119. The most popular route, (Southampton Eastleigh - Helsinki-Vantaa), can usually be booked for £280.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Finland 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

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Alternative routes for Portsmouth to Finland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Portsmouth to Finland

Discover the top 10 airlines that operate flights from Portsmouth to Finland. 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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£48Average£149FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£50Average£164FlexibilityNo cancel feeOn-time86%
Search easyJet flights
NorwegianCheapest£67Average£211FlexibilityNo cancel feeOn-timeN/A
Search Norwegian flights
airBalticCheapest£76Average£205FlexibilityNo cancel feeOn-time87%
Search airBaltic flights
NorwegianCheapest£96Average£188FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
Scandinavian AirlinesCheapest£112Average£237FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£129Average£364FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£150Average£502FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£154Average£271FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£164Average£272FlexibilityNo 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 Portsmouth to Finland?

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 Finland from Portsmouth today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Finland?

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 Finland.

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

Need flexible booking options for your flight to Finland from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Finland become cheaper?

Yes! Start tracking prices for Portsmouth to Finland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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