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Cheap flights from Porto to Finland from £139

OPO — HEL
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Finland

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Finland

Wed 4/1116:10 -
1 stop6h 10m
Tue 17/1114:05 -
1 stop10h 25m
Deal found 18/9£203
Sat 21/1105:00 -
1 stop6h 10m
Thu 26/1106:40 -
1 stop10h 45m
Deal found 21/9£210
Wed 14/1015:15 -
2 stops16h 15m
Fri 16/1020:00 -
1 stop24h 30m
Deal found 23/9£249
Mon 16/1105:00 -
1 stop10h 25m
Sat 21/1117:35 -
1 stop6h 25m
Deal found 22/9£261
Tue 13/1008:30 -
1 stop9h 20m
Thu 15/1015:50 -
2 stops17h 05m
Deal found 23/9£276
Wed 14/1007:05 -
2 stops9h 15m
Thu 15/1015:50 -
1 stop9h 05m
Deal found 23/9£282
Tue 13/1008:30 -
1 stop12h 45m
Fri 16/1013:45 -
1 stop6h 45m
Deal found 23/9£284
Fri 4/1211:15 -
1 stop11h 05m
Tue 8/1206:40 -
1 stop10h 45m
Deal found 20/9£285
Wed 14/1013:20 -
1 stop8h 05m
Thu 15/1015:50 -
1 stop9h 05m
Deal found 23/9£287

Find flight deals from Porto to Finland

Round-trip from

£203

One-way from

£139

Popular in

June

Cheapest in

October

Average price

£296
KLM
  • KLM
  • 4/11-17/11
  • 2 total stops
  • 16h 35m total
  • Porto to Finland
Search Deals
15/10-31/12
  • 15/10-31/12
  • 2 total stops
  • 13h 30m total
  • Porto to Finland
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Porto to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Thu 15/10

09:00-08:20

3 stops21h 20m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£161
Fastest return journey

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Sat 17/10

06:45-20:10

3 stops11h 25m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£187

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Fri 16/10

19:10-10:55

1 stop13h 45m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£194

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Sat 21/11

05:00-13:10

1 stop6h 10m

Helsinki-Vantaa

Thu 26/11

06:40-15:25

1 stop10h 45m

£213

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Mon 16/11

05:00-17:25

1 stop10h 25m

Helsinki-Vantaa

Sat 21/11

17:35-22:00

1 stop6h 25m

£261

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Fri 4/12

11:15-00:20

1 stop11h 05m

Helsinki-Vantaa

Tue 8/12

17:35-22:00

1 stop6h 25m

£299

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Wed 30/9

05:55-20:25

2 stops12h 30m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£302

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Fri 20/11

17:45-10:35

1 stop14h 50m

Helsinki-Vantaa

Mon 23/11

06:15-11:05

1 stop6h 50m

£314

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Wed 4/11

16:10-00:20

1 stop6h 10m

Helsinki-Vantaa

Tue 17/11

15:15-22:30

2 stops9h 15m

£317

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Mon 5/10

22:30-22:45

2 stops22h 15m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£337

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 12 resultsSorted by cheapest first
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Best time to book a flight from Porto to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland from Porto with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Porto to Finland

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

Currently, October is the cheapest month in which you can book a flight from Porto to Finland (average of £259). Flying from Porto to Finland in June is currently the most expensive (average of £427). 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.

Related info for your journey

  • What airport do you fly from for flights from Porto to Finland?

    Most people fly from Porto (OPO) if they book a flight from Porto to Finland. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • How long is the flight from Porto to Finland?

    For as low as £317, Scandinavian Airlines can have you in Finland from Porto in 6h 10m. There are 1935 mi between Porto and Finland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Porto to Finland that include hotel bookings?

    Yes. In addition to deals on Porto to Finland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Porto to Finland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Finland.

  • Can I find deals for business class flights from Porto to Finland?

    Yes. Cheapflights offers flight deals from Porto 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 Porto to Finland?

    Currently, October is the cheapest month in which you can book a flight from Porto to Finland (average of £259). Flying from Porto to Finland in June is currently the most expensive (average of £427). 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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How does Cheapflights help users find flights from Porto to Finland?

Cheapflights helps you search for flights from Porto to Finland 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 Porto to Finland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Porto to Finland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Porto to Finland with no change fees?

Yes, we can. To see specific flights from Porto to Finland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from Porto to Finland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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