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Cheap flights from Sofia (SOF) to Helsinki (HEL)

SOF — HEL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Sofia to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) 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 11, 2025.

Popular in

November

Cheapest in

September

Average price

$145

Good round-trip deal

$175 or less
Highest demand for flights based on searches. 10% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% 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 Sofia to Helsinki-Vantaa.
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Best time to book a flight from Sofia to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Sofia 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 Sofia to Helsinki

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

Currently, November is the cheapest month in which you can book a flight from Sofia to Helsinki (average of $444). Flying from Sofia 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 SOF to HEL?

Find hourly flight availability from Sofia 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 11, 2025.

One of the essential ways to save on airfare from Sofia to Helsinki is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 58% on airfare.

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 11, 2025.
Read through reviews of airlines operating flights from Sofia to Helsinki, such as Norwegian and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Norwegian
7.8
Good
233 reviews

Overall

7.8

Comfort

7.6

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

6.0

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Norwegian
7.8
Good
233 reviews
Norwegian
7.8
Good
233 reviews

Overall

7.8

Comfort

7.6

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

6.0

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Lufthansa
6.8
Okay
7,409 reviews
Norwegian
7.8
Good
233 reviews

Overall

7.8

Comfort

7.6

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

6.0

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight

Related info for your journey

Find useful and relevant information for your journey from Sofia 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 Sofia to Helsinki flight route?

    Within the past month, 1 users have taken a look at flights from Sofia to Helsinki-Vantaa.

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

    Our cheapest airline available from Sofia to Helsinki is Norwegian. Our recent data shows that you can find tickets from as low as $138 on this airline. An additional option worth looking into is Lufthansa, starting at $223. These flights start at 45% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Sofia to Helsinki (average of $444). Flying from Sofia 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 Sofia to Helsinki

Discover the top 2 airlines that operate flights from Sofia 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest$138Average$175FlexibilityNo cancel feeOn-time74%
LufthansaCheapest$223Average$328FlexibilityNo cancel feeOn-time76%

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