OPO - HEL

£202 Find Cheap Flights from Porto to Helsinki – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£202
Typical prices: £242-£385
KLM, Air France
Wed 21/11Mon 26/11
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
15 weeks
in advance
Our data shows that travellers who book at least 15 weeks in advance save around 58% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 21% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Paris Charles de Gaulle (CDG)
Cheapest • Avg £209 (return)
Kastrup Copenhagen (CPH)
Shortest trip • 6h 58m (one-way)
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Insights
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We hope you enjoy your trip to Helsinki!
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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

Sat, 21 Nov - Thu, 26 Nov
Multiple Airlines Logo
16:10 - 00:20OPO  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
£202Multiple Airlines
Sat, 21 Nov - Thu, 26 Nov
KLM Logo
11:15 - 00:20OPO  Porto-HEL Helsinki-Vantaa
11h 05m1 stop Amsterdam Schiphol
KLM Logo
18:20 - 22:30HEL  Helsinki-Vantaa-OPO Porto
6h 10m1 stop Amsterdam Schiphol
£203KLM
Fri, 4 Dec - Tue, 8 Dec
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
£300KLM
Sat, 21 Nov - Thu, 26 Nov
Multiple Airlines Logo
11:15 - 00:20OPO  Porto-HEL Helsinki-Vantaa
11h 05m1 stop Amsterdam Schiphol
Multiple Airlines Logo
16:05 - 22:00HEL  Helsinki-Vantaa-OPO Porto
7h 55m2 stops Kastrup Copenhagen Paris Charles de Gaulle
£305Multiple Airlines
Sat, 21 Nov - Thu, 26 Nov
Multiple Airlines Logo
11:15 - 00:20OPO  Porto-HEL Helsinki-Vantaa
11h 05m1 stop Amsterdam Schiphol
Multiple Airlines Logo
16:05 - 22:00HEL  Helsinki-Vantaa-OPO Porto
7h 55m2 stops Kastrup Copenhagen Paris Charles de Gaulle
£306Multiple Airlines
Fri, 20 Nov - Mon, 23 Nov
Scandinavian Airlines Logo
17:45 - 10:35OPO  Porto-HEL Helsinki-Vantaa
14h 50m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
06:15 - 11:05HEL  Helsinki-Vantaa-OPO Porto
6h 50m1 stop Kastrup Copenhagen
£313Scandinavian Airlines
Fri, 20 Nov - Mon, 23 Nov
Scandinavian Airlines Logo
17:45 - 01:35OPO  Porto-HEL Helsinki-Vantaa
5h 50m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
06:15 - 11:05HEL  Helsinki-Vantaa-OPO Porto
6h 50m1 stop Kastrup Copenhagen
£314Scandinavian Airlines
Fri, 6 Nov - Thu, 12 Nov
Scandinavian Airlines Logo
17:45 - 01:35OPO  Porto-HEL Helsinki-Vantaa
5h 50m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
11:15 - 17:00HEL  Helsinki-Vantaa-OPO Porto
7h 45m1 stop Kastrup Copenhagen
£341Scandinavian Airlines
Fri, 4 Dec - Tue, 8 Dec
Multiple Airlines Logo
05:00 - 17:25OPO  Porto-HEL Helsinki-Vantaa
10h 25m1 stop Amsterdam Schiphol
Multiple Airlines Logo
17:35 - 22:00HEL  Helsinki-Vantaa-OPO Porto
6h 25m1 stop Paris Charles de Gaulle
£347Multiple Airlines
Fri, 4 Dec - Tue, 8 Dec
Multiple Airlines Logo
05:00 - 17:25OPO  Porto-HEL Helsinki-Vantaa
10h 25m1 stop Amsterdam Schiphol
Multiple Airlines Logo
17:35 - 22:00HEL  Helsinki-Vantaa-OPO Porto
6h 25m1 stop Paris Charles de Gaulle
£350Multiple Airlines
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 from Porto to Helsinki with more confidence.

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

Friday is the cheapest day of the week to fly from Porto to Helsinki and is 14% cheaper than the average day. Sunday is the most expensive day with flight prices 35% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Porto to Helsinki at £236 return.
  • June (£376) and July (£368) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 59% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Porto to Helsinki the cheapest?

Flights from Porto to Helsinki are cheapest 15 weeks before departure. Booking in this window typically costs about 58% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Porto to Helsinki flights

Low season

September
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 7% lower on average.

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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

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

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

  • 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) – 46% of one-stop connections
    • Frankfurt am Main (FRA) – 39% of one-stop connections
    • Kastrup Copenhagen (CPH) – 7% of one-stop connections
    • Stockholm Arlanda (ARN) – 4% of one-stop connections

    Amsterdam Schiphol (AMS) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 36% on the Porto to Helsinki route. Friday is the cheapest departure day at £259 return on average, while Sunday is the most expensive at £404, a difference of £145. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Helsinki?

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

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 32% above the route average of £299. Book 15 weeks before departure for the lowest fares.

  • How long is a flight from Porto to Helsinki?

    A direct flight from Porto to Helsinki takes 0h 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.

  • 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 £202 to £1,124. That means the highest observed fare was about 6x higher than the lowest one.

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

    Flying via Kastrup Copenhagen (CPH) gives the shortest average 1-stop total travel time of 6h 58m, compared to 7h 02m via Amsterdam Schiphol (AMS) and 7h 34m 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.

  • 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 £3 for economy cars. Top options include:
    • ADDCAR RENTAL
    • GREEN MOTION
    • Alamo
    • Sixt
    • Europcar

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

    Return flights from Porto to Helsinki range from £242 to £385, with an average of £299 over the past 12 months. Anything below £242 counts as a good deal.

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 Friday departure instead of Sunday. On this route, Friday flights average £259 – about £145 less than Sunday (36% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 58% 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 £236 return in that month – typically £140 less than the most expensive month, which is June (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