$417 Cheap Flights from San Antonio (SAT) to Helsinki (HEL)

View $417 flight on Tue, Mar 31, 2026Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Helsinki-Vantaa Airport (HEL)

Cheap Flights from San Antonio to Helsinki (SAT-HEL)

Prices were available within the past 7 days and start at $417 for one-way flights and $479 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Tue, Mar 31 - Fri, Apr 10
SAT
San Antonio
HEL
Helsinki
$479 Roundtrip, just found
$479
Roundtrip
just found
Select British Airways flight, departing Tue, Mar 31 from San Antonio to Helsinki, returning Fri, Apr 10, priced at $479 just found
American Airlines
Tue, Mar 31 - Fri, Apr 10
SAT
San Antonio
HEL
Helsinki
$482 Roundtrip, just found
$482
Roundtrip
just found
Select American Airlines flight, departing Tue, Mar 31 from San Antonio to Helsinki, returning Fri, Apr 10, priced at $482 just found
American Airlines
Tue, Dec 2 - Wed, Dec 10
SAT
San Antonio
HEL
Helsinki
$486 Roundtrip, found 4 days ago
$486
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Dec 2 from San Antonio to Helsinki, returning Wed, Dec 10, priced at $486 found 4 days ago
Delta
Tue, Dec 2 - Wed, Dec 10
SAT
San Antonio
HEL
Helsinki
$496 Roundtrip, found 4 days ago
$496
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 2 from San Antonio to Helsinki, returning Wed, Dec 10, priced at $496 found 4 days ago
British Airways
Tue, Mar 31 - Tue, Apr 14
SAT
San Antonio
HEL
Helsinki
$500 Roundtrip, found 16 hours ago
$500
Roundtrip
found 16 hours ago
Select British Airways flight, departing Tue, Mar 31 from San Antonio to Helsinki, returning Tue, Apr 14, priced at $500 found 16 hours ago
Delta
Tue, Mar 31 - Tue, Apr 14
SAT
San Antonio
HEL
Helsinki
$501 Roundtrip, found 16 hours ago
$501
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Mar 31 from San Antonio to Helsinki, returning Tue, Apr 14, priced at $501 found 16 hours ago
British Airways
Tue, Mar 31 - Tue, Apr 14
SAT
San Antonio
HEL
Helsinki
$502 Roundtrip, found 16 hours ago
$502
Roundtrip
found 16 hours ago
Select British Airways flight, departing Tue, Mar 31 from San Antonio to Helsinki, returning Tue, Apr 14, priced at $502 found 16 hours ago
Delta
Tue, Mar 31 - Tue, Apr 14
SAT
San Antonio
HEL
Helsinki
$504 Roundtrip, found 16 hours ago
$504
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Mar 31 from San Antonio to Helsinki, returning Tue, Apr 14, priced at $504 found 16 hours ago
Lufthansa
Wed, Nov 12 - Wed, Nov 19
SAT
San Antonio
HEL
Helsinki
$507 Roundtrip, found 1 day ago
$507
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Nov 12 from San Antonio to Helsinki, returning Wed, Nov 19, priced at $507 found 1 day ago
United
Tue, Mar 31 - Tue, Apr 14
SAT
San Antonio
HEL
Helsinki
$508 Roundtrip, found 16 hours ago
$508
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Mar 31 from San Antonio to Helsinki, returning Tue, Apr 14, priced at $508 found 16 hours ago

Alternative airports near Helsinki

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Vantaa HEL. Cheapest option available. Average driving time to city center is 22 minutes. Flights from $582
HEL
Vantaa
Cheapest
Average driving time to city center22 min
Flights from $582

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL) cost?
Lock in a cheap one-way flight from $417 or cheap return flight from $479 from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL)?
The cheapest month to fly from SAT to HEL is March, when there's less demand. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SAT to HEL flight.
How many flights per day from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL)?
You'll need to book a flight with a layover when traveling from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SAT to HEL?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL)?
To land at Vantaa Airport (HEL) on time, pick a flight that takes off from San Antonio Intl. Airport (SAT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL) last-minute?
Booking your flight from SAT to HEL right before your journey is generally more expensive. But if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a SAT to HEL flight and hotel package?
You'll typically save money by booking a SAT to HEL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your preferred flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Vantaa Airport (HEL)?
If you booked your SAT to HEL flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
San Antonio Intl.
Destination airport
Vantaa
Airlines serving
American Airlines, British Airways, Delta, Finnair, Iberia, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Roundtrip price
$479
Distance
5458 mi

Book with confidence

Book with confidence

San Antonio to Helsinki Flights

The cheapest times to fly from San Antonio to Helsinki

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Helsinki are during the month of March. You can find some of the cheapest flights from San Antonio to Helsinki with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Helsinki

Sunday is one of the best days to book for cheap flights from San Antonio to Helsinki: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Helsinki

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $417 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Helsinki flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Helsinki airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Antonio to Helsinki Flights

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