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Cheap flights from Portsmouth to Finland from £294

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HEL
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Finland

Keep the following information in mind while searching for Portsmouth to Finland flight deals. Data was last updated 3 November 2025.

Round-trip from

£294

Popular in

July

Cheapest in

January

Average price

£117
KLM
  • KLM
  • 17/12-24/12
  • 2 total stops
  • 16h 35m total
  • Portsmouth to Finland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 3 November 2025.

Wed 17/1217:30SOU - HEL
1 stop4h 35mKLM
Wed 24/1207:00HEL - SOU
1 stop12h 00mKLM
Deal found 2/11£294
Wed 17/1212:25SOU - HEL
1 stop8h 40mMultiple Airlines
Wed 24/1216:40HEL - SOU
2 stops22h 55mMultiple Airlines
Deal found 2/11£354
Tue 16/1215:20SOU - KTT
2 stops20h 40mMultiple Airlines
Tue 23/1215:20KTT - SOU
3 stops21h 35mMultiple Airlines
Deal found 1/11£405

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 3 November 2025.
Use the filters below to find and compare flights from Portsmouth to Finland that are best for you.

Fly from

Portsmouth

Fly to

Finland

Route

Depart

Return

Price

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 17/12

17:30-00:05

1 stop4h 35m

Helsinki-Vantaa

Wed 24/12

07:00-17:00

1 stop12h 00m

£294

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Wed 17/12

12:25-01:35

2 stops11h 10m

Helsinki-Vantaa

Wed 24/12

16:00-13:35

3 stops23h 35m

£357

SouthamptonKittilä

SOU - KTT

SOUKTT

Southampton Eastleigh

Tue 16/12

15:20-14:00

2 stops20h 40m

Kittilä

Tue 23/12

15:20-10:55

3 stops21h 35m

£405

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 30/3

09:20-00:20

1 stop13h 00m

Helsinki-Vantaa

Tue 31/3

13:55-17:00

1 stop5h 05m

£430

SouthamptonVaasa

SOU - VAA

SOUVAA

Southampton Eastleigh

Sat 2/5

09:20-18:15

2 stops30h 55m

Vaasa

Wed 6/5

09:35-08:45

2 stops25h 10m

£503

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Mon 30/3

12:35-22:30

1 stop7h 55m

Helsinki-Vantaa

Tue 31/3

14:05-09:25

2 stops21h 20m

£518

Flights are sorted by cheapest return flights first.

Deals found on 2/11

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 £30). Flying from Portsmouth to Finland in July is currently the most expensive (average of £105). 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 3 November 2025.

It’s typically best to fly out from Portsmouth to Finland in the evening. Doing so could potentially save you 35% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Portsmouth to Finland?

Use this chart to determine the cheapest time to fly return from Portsmouth to Finland. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Finland flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 3 November 2025.

The most flights from P0R to FI0 are scheduled on a Friday (30 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (21 on average).

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Finland. Reviews last updated 3 November 2025.
Get a feel of what it's like to fly with KLM from Portsmouth to Finland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,404 reviews
Check prices

Food

7.3

Comfort

7.7

Overall

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Food

7.3

Comfort

7.7

Overall

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 4h 35m. 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 - Vaasa or Southampton Eastleigh - Kokkola Kruunupyy.

  • 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: LATAM Airlines (80%), SriLankan Airlines (79%), Malaysia Airlines( 75%).

  • What are the cheapest flights from Portsmouth to Finland?

    The cheapest flight price from Portsmouth to Finland is £122. On average you can expect to pay £1,024. The most popular route, (Southampton Eastleigh - Helsinki-Vantaa), can usually be booked for £294.

  • 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 £30). Flying from Portsmouth to Finland in July is currently the most expensive (average of £105). 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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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 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£43Average£109FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£49Average£135FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
NorwegianCheapest£61Average£176FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
easyJetCheapest£110Average£279FlexibilityNo cancel feeOn-time86%
Search easyJet flights
Scandinavian AirlinesCheapest£121Average£243FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£139Average£202FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£141Average£345FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£154Average£434FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£162Average£279FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
TUI AirwaysCheapest£174Average£458FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portsmouth to Finland?

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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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