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Cheap flights from Helsinki to Porto from £119

HEL — OPO
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Helsinki to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Helsinki to Porto

Sun 1/1114:05 -
1 stop10h 25m
Sat 7/1105:00 -
2 stops9h 55m
Deal found 19/9£321
Thu 8/1013:55 -
1 stop10h 20m
Fri 30/1005:00 -
1 stop10h 25m
Deal found 18/9£374
Sat 31/1019:05 -
1 stop16h 50m
Wed 4/1116:25 -
1 stop23h 45m
Deal found 21/9£392
Sat 31/1016:05 -
1 stop26h 40m
Wed 4/1105:55 -
2 stops26h 40m
Deal found 17/9£416
Thu 8/1013:50 -
2 stops11h 35m
Fri 30/1016:15 -
1 stop7h 15m
Deal found 18/9£419
Fri 9/1012:50 -
1 stop12h 35m
Fri 30/1016:15 -
1 stop7h 15m
Deal found 18/9£487
Sun 1/1107:50 -
1 stop13h 25m
Sun 8/1110:15 -
1 stop8h 55m
Deal found 17/9£490
Sat 7/1116:00 -
1 stop29h 15m
Fri 13/1118:05 -
1 stop27h 00m
Deal found 21/9£516
Mon 12/1016:25 -
2 stops25h 05m
Fri 30/1007:35 -
2 stops10h 45m
Deal found 18/9£527

Find flight deals from Helsinki to Porto

Round-trip from

£321

One-way from

£119

Popular in

July

Cheapest in

January

Average price

£351
KLM
  • KLM
  • 1/11-7/11
  • 3 total stops
  • 20h 20m total
  • Helsinki to Porto
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Ryanair
  • Ryanair
  • 27/9-31/12
  • 1 total stop
  • 14h 05m total
  • Helsinki to Porto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Sun 27/9

10:10-09:15

2 stops25h 05m

Porto

Wed 31/12

00:00-01:00

Nonstop0h 00m

£128

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Fri 11/12

14:05-22:30

1 stop10h 25m

Porto

Wed 31/12

00:00-01:00

Nonstop0h 00m

£154
Fastest return journey

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Sat 12/12

18:20-22:30

1 stop6h 10m

Porto

Wed 31/12

00:00-01:00

Nonstop0h 00m

£180

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Mon 7/12

14:15-22:30

2 stops10h 15m

Porto

Wed 31/12

00:00-01:00

Nonstop0h 00m

£218

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Sat 12/12

11:05-22:00

2 stops12h 55m

Porto

Wed 31/12

00:00-01:00

Nonstop0h 00m

£219

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Tue 8/12

15:30-10:30

2 stops21h 00m

Porto

Wed 31/12

00:00-01:00

Nonstop0h 00m

£228

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Sat 31/10

19:05-09:55

1 stop16h 50m

Porto

Wed 4/11

16:25-18:10

1 stop23h 45m

£392

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Sat 31/10

16:05-16:45

1 stop26h 40m

Porto

Wed 4/11

05:55-10:35

2 stops26h 40m

£416

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Fri 9/10

12:50-23:25

1 stop12h 35m

Porto

Fri 30/10

16:15-01:30

1 stop7h 15m

£487

HelsinkiPorto

HEL Helsinki-Vantaa - OPO Porto

HELOPO

Helsinki-Vantaa

Sun 1/11

07:50-19:15

1 stop13h 25m

Porto

Sun 8/11

10:15-21:10

1 stop8h 55m

£490

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 13 resultsSorted by cheapest first
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Best time to book a flight from Helsinki to Porto

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

Cheapflights Insights

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

How far ahead should I book a flight from Helsinki to Porto?

The best time to book flights from Helsinki to Porto is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Helsinki to Porto (average of £193). Flying from Helsinki to Porto in July is currently the most expensive (average of £386). 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 Helsinki to Porto?

Airfare is typical for this route at the moment.

Helsinki to Porto flights typically cost between £275 and £430 in November.
The cheapest return price found within the last 5 days was £321 on KLM (1 Nov–7 Nov).

Related info for your journey

  • How long is the flight from Helsinki to Porto?

    There are many flights that can get you from Helsinki to Porto in 16h 50m. Fly via Turkish Airlines or Scandinavian Airlines to get the fastest option. The distance between Helsinki and Porto is about 1935 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Helsinki to Porto (average of £193). Flying from Helsinki to Porto in July is currently the most expensive (average of £386). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Guimarães
Santa Maria da Feira
Chaves
Coimbra
Viseu
Aveiro
Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

How does Cheapflights help users find flights from Helsinki to Porto?

Cheapflights makes it easy to find Helsinki to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Helsinki to Porto?

Cheapflights helps you find that perfect flight to Porto from Helsinki by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

Can Cheapflights notify me if prices for flights from Helsinki to Porto 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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