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Cheap flights from Porto to Helsinki from £173

OPO — HEL
12 Oct — 19 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Helsinki

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Helsinki

Sat 21/1111:15 -
1 stop11h 05m
Thu 26/1118:20 -
1 stop6h 10m
Deal found 11/9£203
Thu 22/1011:05 -
1 stop12h 30m
Thu 29/1019:30 -
1 stop6h 25m
Deal found 8/9£218
Tue 29/906:00 -
1 stop9h 00m
Tue 6/1018:25 -
1 stop6h 25m
Deal found 9/9£274
Sat 21/1111:15 -
1 stop11h 05m
Thu 26/1116:05 -
2 stops7h 55m
Deal found 11/9£306
Fri 20/1117:45 -
1 stop5h 50m
Mon 23/1106:15 -
1 stop6h 50m
Deal found 10/9£314
Thu 17/1212:35 -
1 stop10h 55m
Sun 20/1219:30 -
1 stop6h 25m
Deal found 7/9£317
Tue 29/911:35 -
1 stop10h 50m
Mon 5/1007:00 -
1 stop10h 30m
Deal found 9/9£356
Thu 1/1005:00 -
1 stop6h 05m
Mon 5/1007:00 -
1 stop10h 30m
Deal found 9/9£357
Fri 4/1205:00 -
1 stop10h 25m
Tue 8/1217:35 -
1 stop6h 25m
Deal found 10/9£358

Find flight deals from Porto to Helsinki

Round-trip from

£203

One-way from

£173

Popular in

June

Cheapest in

November

Average price

£254
KLM
  • KLM
  • 21/11-26/11
  • 2 total stops
  • 17h 15m total
  • Porto to Helsinki
Search Deals
KLM
  • KLM
  • 8/10-31/12
  • 1 total stop
  • 10h 50m total
  • Porto to Helsinki
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£8 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 Helsinki that are best for you.

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Tue 13/10

05:00-13:05

1 stop6h 05m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£173

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Thu 8/10

10:10-23:05

2 stops10h 55m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£174

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Mon 12/10

12:00-20:25

1 stop6h 25m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£181

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Thu 22/10

11:05-01:35

1 stop12h 30m

Helsinki-Vantaa

Thu 29/10

19:30-23:55

1 stop6h 25m

£218

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Wed 7/10

05:00-15:45

2 stops8h 45m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£250

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Sun 11/10

05:00-01:30

2 stops18h 30m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£282

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Sat 21/11

11:15-00:20

1 stop11h 05m

Helsinki-Vantaa

Thu 26/11

16:05-22:00

2 stops7h 55m

£306

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Fri 20/11

17:45-01:35

1 stop5h 50m

Helsinki-Vantaa

Mon 23/11

06:15-11:05

1 stop6h 50m

£314

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Thu 17/12

12:35-01:30

1 stop10h 55m

Helsinki-Vantaa

Sun 20/12

19:30-23:55

1 stop6h 25m

£317

PortoHelsinki

OPO Porto - HEL Helsinki-Vantaa

OPOHEL

Porto

Thu 22/10

16:40-11:10

1 stop16h 30m

Helsinki-Vantaa

Thu 29/10

19:05-15:25

1 stop22h 20m

£365

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Sorted by cheapest first

Best time to book a flight from Porto to Helsinki

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

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Porto to Helsinki (average of £242). Flying from Porto to Helsinki in June is currently the most expensive (average of £422). 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.

How much does it cost for a return flight from Porto to Helsinki?

Airfare is below average for this route at the moment.

Porto to Helsinki flights typically cost between £254 and £259 in November.
The cheapest return price found within the last 5 days was £203 on KLM (21 Nov–26 Nov).

Related info for your journey

  • How long is the flight from Porto to Helsinki?

    There are many flights that can get you from Porto to Helsinki in 5h 50m. Fly via Lufthansa or Scandinavian Airlines to get the fastest option. The distance between Porto and Helsinki is about 1935 mi. 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 Helsinki that include hotel bookings?

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Porto to Helsinki (average of £242). Flying from Porto to Helsinki in June is currently the most expensive (average of £422). 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 Helsinki?

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

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Cheapflights helps you search for flights from Porto 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 Porto 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 Porto to Helsinki.

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

Need flexible booking options for your flight to Helsinki from Porto? 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 Porto to Helsinki become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Helsinki from Porto today and book when prices fit your budget.

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