$576+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — HEL
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Helsinki
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Best
Last-minute
Cheapest flights from San Antonio to HelsinkiExplore 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 September 15, 2026.
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 September 15, 2026.
This Finnair deal was found by Cheapflights users on 9/11. 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.
Tue 10/138:38 am -
1 stop18h 22m
Tue 10/274:20 pm -
1 stop14h 37m
Deal found 9/11![Multiple Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/272:35 pm -
1 stop15h 40m
Tue 10/134:25 pm -
1 stop15h 33m
Deal found 9/11![American Airlines logo]()
$578
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/1310:36 am -
1 stop16h 24m
Tue 10/274:20 pm -
2 stops23h 20m
Deal found 9/10![American Airlines logo]()
$580
This Finnair deal was found by Cheapflights users on 9/10. 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.
Tue 10/132:05 pm -
1 stop12h 55m
Tue 10/277:35 pm -
2 stops32h 00m
Deal found 9/10![Finnair logo]()
$596
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 10/134:00 pm -
2 stops16h 40m
Tue 10/276:40 am -
2 stops23h 27m
Deal found 9/11![Delta logo]()
$625
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
1 stop15h 25m
Wed 10/712:20 pm -
1 stop18h 37m
Deal found 9/14![Multiple Airlines logo]()
$626
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 9/275:15 am -
2 stops28h 25m
Tue 10/131:55 pm -
2 stops33h 55m
Deal found 9/11![Delta logo]()
$628
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/2610:36 am -
1 stop18h 04m
Mon 11/212:30 pm -
2 stops19h 25m
Deal found 9/11![American Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/266:15 am -
2 stops22h 35m
Mon 11/212:35 pm -
2 stops40h 18m
Deal found 9/11![United Airlines logo]()
$635
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/235:30 am -
3 stops29h 15m
Mon 11/3012:35 pm -
2 stops56h 11m
Deal found 9/12![United Airlines logo]()
$683
Best flights from San Antonio to HelsinkiDiscover carefully curated flight deals from San Antonio to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from San Antonio to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Finnair deal was found by Cheapflights users on 9/14. 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.
Tue 10/138:38 am -
1 stop18h 22m
Tue 10/274:20 pm -
1 stop14h 37m
Deal found 9/14![Multiple Airlines logo]()
$576
This Finnair deal was found by Cheapflights users on 9/10. 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.
Tue 10/132:05 pm -
1 stop12h 55m
Tue 10/277:35 pm -
2 stops32h 00m
Deal found 9/10![Finnair logo]()
$596
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 10/134:00 pm -
2 stops16h 40m
Tue 10/276:40 am -
2 stops23h 27m
Deal found 9/12![Delta logo]()
$625
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/264:19 pm -
3 stops36h 31m
Mon 11/212:35 pm -
2 stops40h 18m
Deal found 9/11![United Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/235:30 am -
3 stops29h 15m
Mon 11/3012:35 pm -
2 stops56h 11m
Deal found 9/12![United Airlines logo]()
$683
This Iberia deal was found by Cheapflights users on 9/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
1 stop15h 25m
Wed 10/712:20 pm -
1 stop18h 37m
Deal found 9/11![Multiple Airlines logo]()
$703
Last-minute flights from San Antonio to HelsinkiDiscover last-minute flight deals from San Antonio to Helsinki. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Helsinki. Data last updated September 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/272:35 pm -
1 stop15h 40m
Tue 10/134:25 pm -
1 stop15h 33m
Deal found 9/11![American Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 9/275:15 am -
2 stops28h 25m
Tue 10/131:55 pm -
2 stops33h 55m
Deal found 9/11![Delta logo]()
$628
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:50 pm -
1 stop15h 25m
Wed 10/712:20 pm -
1 stop18h 37m
Deal found 9/14![Multiple Airlines logo]()
$626
This Finnair deal was found by Cheapflights users on 9/11. 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.
Tue 10/138:38 am -
1 stop18h 22m
Tue 10/274:20 pm -
1 stop14h 37m
Deal found 9/11![Multiple Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/1310:36 am -
1 stop16h 24m
Tue 10/274:20 pm -
2 stops23h 20m
Deal found 9/10![American Airlines logo]()
$580
This Finnair deal was found by Cheapflights users on 9/10. 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.
Tue 10/132:05 pm -
1 stop12h 55m
Tue 10/277:35 pm -
2 stops32h 00m
Deal found 9/10![Finnair logo]()
$596
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 10/134:00 pm -
2 stops16h 40m
Tue 10/276:40 am -
2 stops23h 27m
Deal found 9/11![Delta logo]()
$625
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:47 am -
2 stops17h 23m
Tue 10/2712:35 pm -
2 stops35h 52m
Deal found 9/10![Lufthansa logo]()
$698
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/2610:36 am -
1 stop18h 04m
Mon 11/212:30 pm -
2 stops19h 25m
Deal found 9/11![American Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/266:15 am -
2 stops22h 35m
Mon 11/212:35 pm -
2 stops40h 18m
Deal found 9/11![United Airlines logo]()
$635
Find 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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $576 (Finnair) |
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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from San Antonio to Helsinki that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San AntonioHelsinki
SAT San Antonio - HEL Helsinki-Vantaa
SATHEL
San Antonio
Tue 10/13
8:38 am-11:00 am
1 stop18h 22m
Helsinki-Vantaa
Tue 10/27
4:20 pm-11:57 pm
1 stop14h 37m
$576
San AntonioHelsinki
SAT San Antonio - HEL Helsinki-Vantaa
SATHEL
San Antonio
Tue 10/13
2:05 pm-11:00 am
1 stop12h 55m
Helsinki-Vantaa
Tue 10/27
7:35 pm-8:35 pm
2 stops32h 00m
$596
San AntonioHelsinki
SAT San Antonio - HEL Helsinki-Vantaa
SATHEL
San Antonio
Tue 10/13
4:00 pm-4:40 pm
2 stops16h 40m
Helsinki-Vantaa
Tue 10/27
6:40 am-11:07 pm
2 stops23h 27m
$625
San AntonioHelsinki
SAT San Antonio - HEL Helsinki-Vantaa
SATHEL
San Antonio
Mon 10/26
4:19 pm-11:50 am
3 stops36h 31m
Helsinki-Vantaa
Mon 11/2
12:35 pm-8:53 pm
2 stops40h 18m
$647
San AntonioHelsinki
SAT San Antonio - HEL Helsinki-Vantaa
SATHEL
San Antonio
Mon 11/23
5:30 am-6:45 pm
3 stops29h 15m
Helsinki-Vantaa
Mon 11/30
12:35 pm-12:46 pm
2 stops56h 11m
$683
San AntonioHelsinki
SAT San Antonio - HEL Helsinki-Vantaa
SATHEL
San Antonio
Thu 10/1
2:50 pm-2:15 pm
1 stop15h 25m
Helsinki-Vantaa
Wed 10/7
12:20 pm-10:57 pm
1 stop18h 37m
$703
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Helsinki flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SAT-HEL
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.
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, 2026.
Read reviews from past customers who have flown American 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.
Crew
7.9
Comfort
7.2
Overall
7.1
Entertainment
6.8
Food
6.4
Boarding
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Crew
7.9
Comfort
7.2
Overall
7.1
Entertainment
6.8
Food
6.4
Boarding
7.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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.
Traveling to a place near Helsinki?
Book flights to Helsinki if you plan to visit one of these locationsVantaa
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Other flights to Helsinki
Explore flights to Helsinki departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
San Antonio and Helsinki flights
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Other flights from San Antonio
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Top airline flying from San Antonio to Helsinki
Discover the top airline 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$668 | Average$1,156 | FlexibilityNo cancel fee | On-time71% |