OPO - HEL

£125 Find Cheap Flights from Porto to Helsinki – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 34% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
£205
Typical prices: £246-£391
KLM, Air France
Thu 11/1Tue 16/1
OPO - HEL • 1 stop
Direct flights
Not available
There are currently no direct flights between Porto and Helsinki. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
16 weeks
in advance
Our data shows that travellers who book at least 16 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 19% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
London Stansted (STN)
Cheapest • Avg £191 (return)
Amsterdam Schiphol (AMS)
Shortest trip • 6h 51m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Helsinki!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Porto to Helsinki (OPO-HEL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Porto to Helsinki

Mon, 11 Jan - Sat, 16 Jan
Multiple Airlines Logo
11:15 - 00:20OPO  Porto-HEL Helsinki-Vantaa
11h 05m1 stop Amsterdam Schiphol
Multiple Airlines Logo
17:35 - 22:00HEL  Helsinki-Vantaa-OPO Porto
6h 25m1 stop Paris Charles de Gaulle
£205Multiple Airlines
Tue, 19 Jan - Sun, 24 Jan
Multiple Airlines Logo
05:00 - 13:10OPO  Porto-HEL Helsinki-Vantaa
6h 10m1 stop Amsterdam Schiphol
Multiple Airlines Logo
17:35 - 22:00HEL  Helsinki-Vantaa-OPO Porto
6h 25m1 stop Paris Charles de Gaulle
£214Multiple Airlines
Sat, 21 Nov - Thu, 26 Nov
KLM Logo
11:15 - 00:20OPO  Porto-HEL Helsinki-Vantaa
11h 05m1 stop Amsterdam Schiphol
KLM Logo
06:40 - 15:25HEL  Helsinki-Vantaa-OPO Porto
10h 45m1 stop Amsterdam Schiphol
£218KLM
Sat, 21 Nov - Thu, 26 Nov
KLM Logo
11:15 - 00:20OPO  Porto-HEL Helsinki-Vantaa
11h 05m1 stop Amsterdam Schiphol
KLM Logo
06:40 - 15:25HEL  Helsinki-Vantaa-OPO Porto
10h 45m1 stop Amsterdam Schiphol
£222KLM
Sat, 21 Nov - Thu, 26 Nov
KLM Logo
11:15 - 00:20OPO  Porto-HEL Helsinki-Vantaa
11h 05m1 stop Amsterdam Schiphol
KLM Logo
06:40 - 15:25HEL  Helsinki-Vantaa-OPO Porto
10h 45m1 stop Amsterdam Schiphol
£233KLM
Sat, 21 Nov - Thu, 26 Nov
KLM Logo
11:15 - 00:20OPO  Porto-HEL Helsinki-Vantaa
11h 05m1 stop Amsterdam Schiphol
KLM Logo
06:40 - 15:25HEL  Helsinki-Vantaa-OPO Porto
10h 45m1 stop Amsterdam Schiphol
£235KLM
Mon, 11 Jan - Sat, 16 Jan
KLM Logo
16:10 - 00:20OPO  Porto-HEL Helsinki-Vantaa
6h 10m1 stop Amsterdam Schiphol
KLM Logo
06:40 - 15:25HEL  Helsinki-Vantaa-OPO Porto
10h 45m1 stop Amsterdam Schiphol
£242KLM
Sat, 21 Nov - Thu, 26 Nov
KLM Logo
05:00 - 13:10OPO  Porto-HEL Helsinki-Vantaa
6h 10m1 stop Amsterdam Schiphol
KLM Logo
14:05 - 22:30HEL  Helsinki-Vantaa-OPO Porto
10h 25m1 stop Amsterdam Schiphol
£247KLM
Fri, 25 Dec - Wed, 30 Dec
KLM Logo
05:00 - 13:10OPO  Porto-HEL Helsinki-Vantaa
6h 10m1 stop Amsterdam Schiphol
KLM Logo
14:05 - 22:30HEL  Helsinki-Vantaa-OPO Porto
10h 25m1 stop Amsterdam Schiphol
£255KLM
Fri, 25 Dec - Wed, 30 Dec
KLM Logo
05:00 - 13:10OPO  Porto-HEL Helsinki-Vantaa
6h 10m1 stop Amsterdam Schiphol
KLM Logo
14:05 - 22:30HEL  Helsinki-Vantaa-OPO Porto
10h 25m1 stop Amsterdam Schiphol
£262KLM
Booking Insights

Price, demand, and travel trends for Porto to Helsinki flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Porto to Helsinki?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Porto to Helsinki. It's 11% cheaper than the average day, while Tuesday is the most expensive, with prices 28% higher.

What is the cheapest month to fly from Porto to Helsinki?

•February is the cheapest month to fly from Porto to Helsinki at £243 return.
•September (£410) and December (£390) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 68% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Porto to Helsinki the cheapest?

Flights from Porto to Helsinki are cheapest 16 weeks before departure. Booking in this window typically costs about 45% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Porto to Helsinki flights

Low season

September

Cheapest flight

£205
Beat the crowds with an average 36% drop in traveller numbers.
The most popular month to fly with an average 45% increase in traveller numbers.
Return flight from Porto to Helsinki

When to book flights from Porto to Helsinki

Are your dates flexible? Find out the best times to travel from Porto to Helsinki based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Porto to Helsinki flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Porto to Helsinki?

    Only Economy class is available on flights from Porto to Helsinki.

  • How long is a flight from Porto to Helsinki?

    A direct flight from Porto to Helsinki takes 00m, covering 1,935 miles.

  • Do I need a passport to fly from Porto to Helsinki?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Porto to Helsinki flight?

    Return flights from Porto to Helsinki range from £246 to £391, with an average of £300 over the past 12 months. Anything below £246 counts as a good deal.

  • How expensive are last-minute Porto to Helsinki flights?

    Last-minute fares on this route (booked within two weeks of departure) run 35% above the £300 route average. Book 16 weeks before departure for the lowest fares.

  • Have flight prices from Porto to Helsinki changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £205 to £1,072. That means the highest observed fare was about 5x higher than the lowest one.

  • Which car hire options are available at Helsinki-Vantaa Airport (HEL)?

    Helsinki-Vantaa Airport (HEL) hosts 5 major car hire companies, with daily rates starting from around £38 for economy cars. Top options include:

    • ADDCAR RENTAL
    • GREEN MOTION
    • Alamo
    • Sixt
    • Europcar

  • Which airports can I use when flying from Porto to Helsinki?

    Flights from Porto to Helsinki usually depart from Porto (OPO) and arrive at Helsinki-Vantaa (HEL).

  • Which airports do connecting flights from Porto to Helsinki pass through?

    One-stop flights from Porto to Helsinki most commonly connect through:

    • Amsterdam Schiphol (AMS) – 52% of one-stop connections
    • Frankfurt am Main (FRA) – 33% of one-stop connections
    • Stockholm Arlanda (ARN) – 5% of one-stop connections
    • Kastrup Copenhagen (CPH) – 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Porto to Helsinki?

    Yes. Flexible dates can save you up to 31% on flights from Porto to Helsinki. Thursday is the cheapest departure day at £268 return on average, while Tuesday is the most expensive at £386, a difference of £118.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Porto to Helsinki?

    Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time of 6h 51m, compared to 7h 17m via Kastrup Copenhagen (CPH) and 7h 32m via Paris Charles de Gaulle (CDG).

  • What is the time difference between Porto and Helsinki?

    Helsinki is 2 hours ahead of Porto (Eastern European Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Helsinki?

    Some of the most popular sights in Helsinki are Helsinki Central Station Square, Presidential Palace, and Finlandia-talo. These are among the most viewed places in Helsinki on KAYAK.

Your guide to booking Porto to Helsinki flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average £268, about £118 less than Tuesday fares (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 45% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Porto to Helsinki trip for February. Fares historically average £243 return in that month – typically £167 less than the most expensive month, which is September (based on the last 12 months).

More options for your flight from Porto to Helsinki

Complete your trip to Helsinki with a hotel stay or car hire

Car hire in Helsinki
Hotels in Helsinki
Holidays in Helsinki