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Cheap flights from Portsmouth to Helsinki from £254

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HEL
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Portsmouth to Helsinki

Keep the following information in mind while searching for Portsmouth to Helsinki flight deals. Data was last updated 21 February 2025.

Round-trip from

£254

Popular in

July

Cheapest in

November

Average price

£153
KLM
  • KLM
  • 6/4-13/4
  • 2 total stops
  • 32h 55m total
  • Portsmouth to Helsinki
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Portsmouth to Helsinki

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 21 February 2025.

Sun 6/418:25SOU - HEL
1 stop16h 35mKLM
Sun 13/418:25HEL - SOU
1 stop16h 20mKLM
Deal found 20/2£254
Sun 6/412:00SOU - HEL
2 stops31h 45mMultiple Airlines
Sun 13/417:40HEL - SOU
2 stops28h 15mMultiple Airlines
Deal found 20/2£314
Thu 10/408:40SOU - HEL
2 stops12h 20mBritish Airways
Wed 16/406:50HEL - SOU
1 stop7h 10mBritish Airways
Deal found 20/2£777

Find flights from Portsmouth to Helsinki within your budget

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 21 February 2025.

Fly from

Portsmouth

Fly to

Helsinki

Route

Depart

Return

Price

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 6/4

18:25-13:00

1 stop16h 35m

Helsinki-Vantaa

Sun 13/4

18:25-08:45

1 stop16h 20m

£254

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 6/4

12:00-21:45

2 stops31h 45m

Helsinki-Vantaa

Sun 13/4

17:40-19:55

2 stops28h 15m

£314

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Thu 10/4

08:40-23:00

2 stops12h 20m

Helsinki-Vantaa

Wed 16/4

06:50-12:00

1 stop7h 10m

£777

SouthamptonHelsinki

SOU - HEL

SOUHEL

Southampton Eastleigh

Sun 6/7

19:40-12:20

2 stops38h 40m

£303

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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.

Travel insights for flights from Portsmouth to Helsinki

Get recent, data-driven insights about flights from Portsmouth to Helsinki including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Portsmouth to Helsinki (average of £92). Flying from Portsmouth to Helsinki in July is currently the most expensive (average of £305). 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 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 21 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Helsinki as you normally would.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Helsinki. Price data was last updated on 28 April 2024.

Travellers seeking maximum savings on their Portsmouth to Helsinki flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 21 February 2025.

The most flights from P0R to HEL are scheduled on a Wednesday (35 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (18 on average).

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 30.0 - 70.0 inches per month. August is typically the wettest month, when rainfall can reach 70.0 mm. February is typically the driest time to visit Helsinki when rainfall is around 30.0 mm.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. 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 Helsinki. Reviews last updated 21 February 2025.
KLM
7.8
Good
1,331 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,331 reviews
KLM
7.8
Good
1,331 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,762 reviews
KLM
7.8
Good
1,331 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 9 different airlines.

  • 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: Malaysia Airlines (64%), Vietnam Airlines (63%), LATAM Airlines( 60%).

  • What are the cheapest flights from Portsmouth to Helsinki?

    Looking for the cheapest flight from Portsmouth to Helsinki? While on average our users pay £1,037, our data indicates the cheapest price to be £92. The most popular route (Southampton Eastleigh - Helsinki-Vantaa), is priced around £254.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Portsmouth to Helsinki (average of £92). Flying from Portsmouth to Helsinki in July is currently the most expensive (average of £305). 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

Travelling to a place near Portsmouth?

Book flights to Portsmouth if you plan to visit one of these locations
Vantaa
Espoo

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Top 9 airlines flying from Portsmouth to Helsinki

Discover the top 9 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
airBalticCheapest£51Average£118FlexibilityNo cancel feeOn-time87%
Search airBaltic flights
RyanairCheapest£55Average£123FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
NorwegianCheapest£87Average£173FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
RyanairCheapest£104Average£114FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Scandinavian AirlinesCheapest£118Average£156FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£136Average£257FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£147Average£247FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£156Average£275FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£305Average£425FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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!

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