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$824+ Cheap flights from San Antonio (SAT) to Helsinki (HEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — HEL
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from San Antonio to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 July 30, 2025.

Round-trip from

$824
(United Airlines)

Popular in

September

Cheapest in

November

Average price

$1,148
From San Antonio to Helsinki-Vantaa
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Highest demand for flights based on searches. 14% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from San Antonio to Helsinki

Cheapest flights from San Antonio to Helsinki
Explore the most affordable flight options available from San Antonio to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:23 pmSAT - HEL
2 stops21h 17mUnited Airlines
Wed 12/3112:45 pmHEL - SAT
2 stops43h 14mUnited Airlines
Deal found 7/30$824
This Finnair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:55 pmSAT - HEL
1 stop13h 50mFinnair
Wed 12/3112:25 pmHEL - SAT
1 stop17h 34mFinnair
Deal found 7/30$827
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:55 pmSAT - HEL
1 stop13h 50mMultiple Airlines
Wed 12/312:00 pmHEL - SAT
2 stops17h 46mMultiple Airlines
Deal found 7/30$1,088

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from San Antonio to Helsinki that are best for you.

Fly from

San Antonio

Fly to

Helsinki

Route

Depart

Return

Price

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 12/1

1:23 pm-6:40 pm

2 stops21h 17m

Helsinki-Vantaa

Wed 12/31

12:45 pm-11:59 pm

2 stops43h 14m

$824

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 12/1

12:55 pm-10:45 am

1 stop13h 50m

Helsinki-Vantaa

Wed 12/31

12:25 pm-9:59 pm

1 stop17h 34m

$827

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 12/1

12:55 pm-10:45 am

1 stop13h 50m

Helsinki-Vantaa

Wed 12/31

2:00 pm-11:46 pm

2 stops17h 46m

$1,088

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from San Antonio to Helsinki

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

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

Currently, November is the cheapest month in which you can book a flight from San Antonio to Helsinki (average of $444). Flying from San Antonio to Helsinki in June is currently the most expensive (average of $1,081). 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 SAT to HEL?

Find hourly flight availability from San Antonio 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 July 30, 2025.

When flying from San Antonio to Helsinki, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight in the afternoon.

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 July 30, 2025.
Read reviews from past customers who have flown Finnair and United Airlines from San Antonio to Helsinki. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Comfort

7.5

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

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
1,316 reviews
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Comfort

7.5

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

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.
United Airlines
7.4
Good
8,896 reviews
Finnair
7.6
Good
1,316 reviews

Boarding

7.6

Comfort

7.5

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

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 San Antonio to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Our cheapest airline available from San Antonio to Helsinki is United Airlines. Our recent data shows that you can find tickets from as low as $824 on this airline. An additional option worth looking into is Finnair, starting at $827. These flights start at 14% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from San Antonio to Helsinki?

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

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

    Yes. Cheapflights offers flight deals from San Antonio 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 San Antonio to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from San Antonio to Helsinki (average of $444). Flying from San Antonio to Helsinki in June is currently the most expensive (average of $1,081). 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 San Antonio to Helsinki

Discover the top 2 airlines that operate flights from San Antonio 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$479Average$1,220FlexibilityNo cancel feeOn-time71%
FinnairCheapest$498Average$609FlexibilityNo cancel feeOn-time76%

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