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Cheap flights from Portsmouth to Finland from £224

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HEL
12 Apr — 19 Apr1
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 13 March 2026.

Thu 23/417:20
SOU
-
HEL
1 stop5h 05m
KLM
Thu 30/418:25
HEL
-
SOU
1 stop24h 25m
KLM
Deal found 9/3£224
Thu 16/417:20
SOU
-
HEL
1 stop5h 05m
KLM
Wed 22/413:55
HEL
-
SOU
1 stop20h 40m
KLM
Deal found 10/3£229
Thu 16/415:25
SOU
-
HEL
1 stop18h 10m
Multiple Airlines
Wed 22/413:15
HEL
-
SOU
2 stops21h 25m
Multiple Airlines
Deal found 10/3£275
Thu 23/415:25
SOU
-
HEL
1 stop18h 10m
Multiple Airlines
Thu 30/410:45
HEL
-
SOU
2 stops8h 55m
Multiple Airlines
Deal found 9/3£281
Tue 19/513:25
SOU
-
HEL
3 stops21h 40m
Multiple Airlines
Fri 22/518:35
HEL
-
SOU
2 stops14h 45m
Multiple Airlines
Deal found 12/3£292
Tue 19/509:05
SOU
-
HEL
1 stop6h 35m
KLM
Fri 22/518:25
HEL
-
SOU
1 stop16h 20m
KLM
Deal found 12/3£294

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 13 March 2026.

Round-trip from

£224

Popular in

July

Cheapest in

February

Average price

£98
KLM
  • KLM
  • 23/4-30/4
  • 2 total stops
  • 29h 30m total
  • Portsmouth to Finland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 13 March 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

Tue 19/5

09:05-17:40

1 stop6h 35m

Helsinki-Vantaa

Fri 22/5

18:25-08:45

1 stop16h 20m

£294

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Tue 19/5

17:20-00:25

1 stop5h 05m

Helsinki-Vantaa

Fri 22/5

05:30-19:30

3 stops40h 00m

£331
Fastest return journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 10/6

06:50-14:50

1 stop6h 00m

Helsinki-Vantaa

Wed 24/6

08:20-12:55

1 stop6h 35m

£578

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 11/6

06:50-22:35

1 stop13h 45m

Helsinki-Vantaa

Thu 25/6

08:20-17:40

1 stop11h 20m

£585

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 5/6

06:50-22:35

1 stop13h 45m

Helsinki-Vantaa

Tue 9/6

16:00-08:25

2 stops18h 25m

£619

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 16/4

19:55-13:00

1 stop15h 05m

Helsinki-Vantaa

Mon 20/4

19:30-17:40

2 stops24h 10m

£624

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 7/9

12:35-22:35

1 stop8h 00m

Helsinki-Vantaa

Mon 21/9

16:05-20:45

1 stop6h 40m

£627

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 9/9

06:50-14:50

1 stop6h 00m

Helsinki-Vantaa

Wed 23/9

08:20-12:55

1 stop6h 35m

£628
Cheapest one-way

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 7/5

12:35-22:35

1 stop8h 00m

£348
Fastest single journey

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Fri 7/8

06:50-14:50

1 stop6h 00m

£348

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 11 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 month to book a flight from Portsmouth to Finland?

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Finland (average of £42). Flying from Portsmouth to Finland in July is currently the most expensive (average of £104). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 13 March 2026.

It’s typically best to fly out from Portsmouth to Finland in the evening. Doing so could potentially save you 54% 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 13 March 2026.

The most flights from P0R to FI0 are scheduled on a Wednesday (29 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (22 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 and British Airways can get you from Portsmouth to Finland in just under 6h. Your travel time can differ by up to 35m. Airlines will cover a distance of 1200 mi. This flight may include one or multiple stops.

  • 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 (74%), Japan Airlines (73%), Malaysia Airlines( 73%).

  • What are the cheapest flights from Portsmouth to Finland?

    The cheapest flight price from Portsmouth to Finland is £132. On average you can expect to pay £1,095. The most popular route, (Southampton Eastleigh - Helsinki-Vantaa), can usually be booked for £292.

  • 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.

  • What is the cheapest month to book a flight from Portsmouth to Finland?

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Finland (average of £42). Flying from Portsmouth to Finland in July is currently the most expensive (average of £104). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portsmouth to Finland

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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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest£45Average£182FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
RyanairCheapest£49Average£136FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£50Average£151FlexibilityNo cancel feeOn-time86%
Search easyJet flights
airBalticCheapest£76Average£206FlexibilityNo cancel feeOn-time87%
Search airBaltic flights
NorwegianCheapest£99Average£173FlexibilityNo cancel feeOn-timeN/A
Search Norwegian flights
Scandinavian AirlinesCheapest£113Average£237FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£126Average£357FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£130Average£450FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£154Average£278FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£165Average£273FlexibilityNo 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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