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$538+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — HEL
May 20 — May 271
Tue 5/20
Tue 5/27
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 May 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$538
(Finnair)

Popular in

September

Cheapest in

November

Average price

$1,243
Provider with most accurate pricing for San Antonio-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Helsinki-Vantaa flights.
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From San Antonio to Helsinki-Vantaa
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Highest demand for flights based on searches. 15% potential increase in price ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 15, 2025.

This Finnair deal was found by Cheapflights users on 5/14. 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.
Thu 10/302:42 pmSAT - HEL
1 stop13h 03mMultiple Airlines
Mon 11/1012:30 pmHEL - SAT
1 stop14h 10mMultiple Airlines
Deal found 5/14$538
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:45 amSAT - HEL
2 stops22h 15mDelta
Mon 11/106:30 amHEL - SAT
2 stops25h 55mDelta
Deal found 5/14$578
This British Airways deal was found by Cheapflights users on 5/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:28 pmSAT - HEL
2 stops19h 37mBritish Airways
Mon 11/1012:30 pmHEL - SAT
1 stop19h 15mBritish Airways
Deal found 5/14$606
This Air Canada deal was found by Cheapflights users on 5/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:30 amSAT - HEL
3 stops23h 10mAir Canada
Mon 11/107:00 amHEL - SAT
3 stops33h 48mAir Canada
Deal found 5/14$660
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Sun 7/66:45 amSAT - HEL
2 stops45h 05mUnited Airlines
Sun 7/206:00 amHEL - SAT
2 stops37h 45mUnited Airlines
Deal found 5/15$1,017
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/62:05 pmSAT - HEL
1 stop17h 15mAmerican Airlines
Sun 7/204:25 pmHEL - SAT
1 stop15h 32mAmerican Airlines
Deal found 5/15$1,300
This oojo deal was found by Cheapflights users on 5/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/92:15 pmSAT - HEL
2 stops24h 30mIberia
Fri 7/185:05 pmHEL - SAT
2 stops35h 56mIberia
Deal found 5/15$3,816
This KLM deal was found by Cheapflights users on 5/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/84:26 pmSAT - HEL
2 stops17h 14mKLM
Fri 7/187:00 amHEL - SAT
2 stops16h 31mKLM
Deal found 5/15$4,000
This Lufthansa deal was found by Cheapflights users on 5/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/911:58 amSAT - HEL
2 stops16h 52mLufthansa
Sat 7/196:10 amHEL - SAT
2 stops19h 32mLufthansa
Deal found 5/15$4,026
This Finnair deal was found by Cheapflights users on 5/15. 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.
Wed 7/92:15 pmSAT - HEL
1 stop12h 30mFinnair
Thu 7/1712:35 pmHEL - SAT
1 stop13h 06mFinnair
Deal found 5/15$5,270

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 May 15, 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

Thu 10/30

10:45 am-4:00 pm

2 stops22h 15m

Helsinki-Vantaa

Mon 11/10

6:30 am-12:25 am

2 stops25h 55m

$578

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/30

6:28 pm-9:05 pm

2 stops19h 37m

Helsinki-Vantaa

Mon 11/10

12:30 pm-11:45 pm

1 stop19h 15m

$606

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/30

7:30 am-1:40 pm

3 stops23h 10m

Helsinki-Vantaa

Mon 11/10

7:00 am-8:48 am

3 stops33h 48m

$660

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sat 5/31

6:30 am-1:10 pm

1 stop22h 40m

Helsinki-Vantaa

Thu 6/12

4:25 pm-11:44 pm

1 stop15h 19m

$826

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 7/6

6:45 am-11:50 am

2 stops45h 05m

Helsinki-Vantaa

Sun 7/20

6:00 am-11:45 am

2 stops37h 45m

$1,017

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 7/6

2:05 pm-3:20 pm

1 stop17h 15m

Helsinki-Vantaa

Sun 7/20

4:25 pm-11:57 pm

1 stop15h 32m

$1,300

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Wed 7/9

2:15 pm-10:45 pm

2 stops24h 30m

Helsinki-Vantaa

Fri 7/18

5:05 pm-9:01 pm

2 stops35h 56m

$3,816

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 7/8

4:26 pm-5:40 pm

2 stops17h 14m

Helsinki-Vantaa

Fri 7/18

7:00 am-3:31 pm

2 stops16h 31m

$4,000

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Wed 7/9

11:58 am-12:50 pm

2 stops16h 52m

Helsinki-Vantaa

Sat 7/19

6:10 am-5:42 pm

2 stops19h 32m

$4,026

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Wed 7/9

2:15 pm-10:45 am

1 stop12h 30m

Helsinki-Vantaa

Thu 7/17

12:35 pm-5:41 pm

1 stop13h 06m

$5,270

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Compare providers for flights from San Antonio to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Helsinki in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Helsinki flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Antonio-Helsinki flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Antonio-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Helsinki flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $1,084). 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 May 15, 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.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 May 15, 2025.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,344 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,279 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,731 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Delta. Our recent data shows that you can find tickets from as low as $578 on this airline. Additional options worth looking into are British Airways and Air Canada, starting at $606 and $660 round-trip. These flights start at 37% 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 $1,084). 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 San Antonio?

Book flights to San Antonio 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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$479Average$1,076FlexibilityNo cancel feeOn-time71%
FinnairCheapest$498Average$609FlexibilityNo cancel feeOn-time76%

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