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Cheap flights from Lisbon (LIS) to Helsinki (HEL)

LIS — HEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Helsinki-Vantaa are usually found in January or March, booked 89 days in advance, depart on a Thursday or Tuesday and return on a Monday

Cheap flight deals from Lisbon to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Popular in

July

Cheapest in

January

Average price

$443

Good round-trip deal

$426 or less

Good one-way deal

$257 or less
Highest demand for flights based on searches. 13% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Lisbon Humberto Delgado to Helsinki-Vantaa.
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Price to beat on a one-way flight from Lisbon Humberto Delgado to Helsinki-Vantaa.
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Best time to book a flight from Lisbon to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Lisbon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Helsinki. Price data was last updated on September 12, 2025.

The price you pay for your flight from Lisbon to Helsinki may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Lisbon to Helsinki (average of $444). Flying from Lisbon to Helsinki in June is currently the most expensive (average of $1,082). 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.

What is the cheapest time of day to fly from LIS to HEL?

Find hourly flight availability from Lisbon to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 57% on flights from Lisbon to Helsinki by exploring options for tickets in the morning.

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from Lisbon to Helsinki, such as Finnair and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,323 reviews

Overall

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,323 reviews
Finnair
7.6
Good
1,323 reviews

Overall

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Lufthansa
6.8
Okay
7,407 reviews
Finnair
7.6
Good
1,323 reviews

Overall

7.6

Entertainment

6.9

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Lisbon to Helsinki flight route?

    Flights from Lisbon Humberto Delgado to Helsinki-Vantaa have been viewed 4 times in the past calendar month.

  • What are the cheapest airlines flying from Lisbon to Helsinki round-trip?

    Cheapflights users have booked flights from Lisbon to Helsinki round-trip from $194. Another airline that can offer you cheap pricing is Finnair. You may be able to fly from Lisbon to Helsinki for 48% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Lisbon to Helsinki?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Lisbon to Helsinki on time: Japan Airlines (78%), Finnair (78%), TAP AIR PORTUGAL (78%).

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Lisbon to Helsinki (average of $444). Flying from Lisbon to Helsinki in June is currently the most expensive (average of $1,082). 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

Traveling to a place near Helsinki?

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

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Top 2 airlines flying from Lisbon to Helsinki

Discover the top 2 airlines that operate flights from Lisbon to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$194Average$298FlexibilityNo cancel feeOn-time76%
FinnairCheapest$225Average$456FlexibilityNo cancel feeOn-time76%

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