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$670+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — HEL
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$670
(American Airlines)

Popular in

September

Cheapest in

November
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. 14% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($72 potential savings vs. average RT price).
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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 April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/16. 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.
Mon 5/52:34 pmSAT - HEL
1 stop16h 26mAmerican Airlines
Tue 5/1312:35 pmHEL - SAT
1 stop14h 03mAmerican Airlines
Deal found 4/16$670
This Delta deal was found by Cheapflights users on 4/16. 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.
Mon 5/52:12 pmSAT - HEL
2 stops18h 28mDelta
Tue 5/137:00 amHEL - SAT
2 stops25h 21mDelta
Deal found 4/16$713
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:34 pmSAT - HEL
2 stops24h 16mFinnair
Tue 5/1312:35 pmHEL - SAT
1 stop13h 17mFinnair
Deal found 4/16$900
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/34:53 pmSAT - HEL
2 stops42h 02mUnited Airlines
Sat 5/1012:35 pmHEL - SAT
2 stops55h 37mUnited Airlines
Deal found 4/16$918
This Finnair deal was found by Cheapflights users on 4/16. 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.
Sat 5/33:15 pmSAT - HEL
1 stop16h 05mMultiple Airlines
Sat 5/1012:35 pmHEL - SAT
1 stop13h 17mMultiple Airlines
Deal found 4/16$954
This oojo deal was found by Cheapflights users on 4/16. 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.
Sat 5/318:34 pmSAT - HEL
2 stops18h 26mBritish Airways
Thu 6/1211:05 amHEL - SAT
2 stops18h 48mBritish Airways
Deal found 4/16$979
This Gurufare deal was found by Cheapflights users on 4/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/64:00 pmSAT - HEL
2 stops34h 35mScandinavian Airlines
Sun 7/204:05 pmHEL - SAT
2 stops38h 20mScandinavian Airlines
Deal found 4/16$1,133
This Air Canada deal was found by Cheapflights users on 4/16. 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.
Sun 7/67:15 amSAT - HEL
3 stops21h 35mAir Canada
Sun 7/206:10 amHEL - SAT
3 stops24h 49mAir Canada
Deal found 4/16$2,632

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 April 17, 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 5/5

6:43 pm-3:00 pm

1 stop12h 17m

Helsinki-Vantaa

Tue 5/13

12:35 pm-10:03 pm

1 stop17h 28m

$670

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 5/5

12:22 pm-4:40 pm

2 stops20h 18m

Helsinki-Vantaa

Tue 5/13

7:00 am-10:18 pm

2 stops23h 18m

$712

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 5/5

5:44 pm-5:50 pm

2 stops16h 06m

Helsinki-Vantaa

Tue 5/13

12:35 pm-7:42 pm

1 stop15h 07m

$874

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 7/6

4:00 pm-10:35 am

2 stops34h 35m

Helsinki-Vantaa

Sun 7/20

4:05 pm-10:25 pm

2 stops38h 20m

$1,087

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sat 5/31

2:34 pm-10:45 am

1 stop12h 11m

Helsinki-Vantaa

Thu 6/12

12:35 pm-5:48 pm

1 stop13h 13m

$1,145

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 7/6

5:30 am-12:50 pm

2 stops23h 20m

Helsinki-Vantaa

Sun 7/20

1:35 pm-11:59 pm

3 stops42h 24m

$1,289

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 7/6

1:25 pm-2:15 pm

1 stop16h 50m

Helsinki-Vantaa

Sun 7/20

4:25 pm-11:57 pm

1 stop15h 32m

$1,330

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 7/6

7:15 am-12:50 pm

3 stops21h 35m

Helsinki-Vantaa

Sun 7/20

1:35 pm-10:59 am

3 stops29h 24m

$1,858

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 $1,123). 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 April 17, 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 April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 American Airlines. Our recent data shows that you can find tickets from as low as $670 on this airline. Additional options worth looking into are Delta and Finnair, starting at $713 and $900 round-trip. These flights start at 28% 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 $1,123). 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
Espoo
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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$479Average$1,254FlexibilityNo cancel feeOn-time71%
FinnairCheapest$498Average$609FlexibilityNo cancel feeOn-time76%

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