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Cheap flights from San Antonio to Helsinki from $432

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Helsinki departing on 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

American Airlines Logo
10:20 am - 10:45 amSAT-HEL
16h 25m1 stop
American Airlines Logo
12:30 pm - 12:08 amHEL-SAT
19h 38m1 stop
$432American Airlines
Find Deal
Sun, Jan 18 - Wed, Feb 18
Multiple Airlines Logo
2:36 pm - 3:10 pmSAT-HEL
16h 34m2 stops
Multiple Airlines Logo
12:30 pm - 8:00 pmHEL-SAT
15h 30m1 stop
$469Multiple Airlines
Find Deal
Sun, Jan 18 - Wed, Feb 18
Delta Logo
12:10 pm - 4:25 pmSAT-HEL
20h 15m2 stops
Delta Logo
6:30 am - 10:19 pmHEL-SAT
23h 49m2 stops
$481Delta
Find Deal
Sun, Jan 18 - Wed, Feb 18
American Airlines Logo
12:18 pm - 10:45 amSAT-HEL
15h 27m1 stop
American Airlines Logo
4:00 pm - 2:39 pmHEL-SAT
30h 39m1 stop
$493American Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Delta Logo
11:35 am - 4:25 pmSAT-HEL
21h 50m2 stops
Delta Logo
6:30 am - 12:20 amHEL-SAT
25h 50m2 stops
$531Delta
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Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
1:23 pm - 6:50 pmSAT-HEL
22h 27m2 stops
United Airlines Logo
6:55 am - 9:20 pmHEL-SAT
22h 25m2 stops
$546United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
2:10 pm - 4:30 pmSAT-HEL
18h 20m2 stops
United Airlines Logo
1:50 pm - 10:46 amHEL-SAT
27h 56m2 stops
$551United Airlines
Find Deal
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
7:30 pm - 6:50 pmSAT-HEL
40h 20m2 stops
United Airlines Logo
1:50 pm - 11:16 pmHEL-SAT
41h 26m2 stops
$552United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Scandinavian Airlines Logo
4:51 pm - 1:35 amSAT-HEL
25h 44m2 stops
Scandinavian Airlines Logo
7:00 am - 12:20 amHEL-SAT
25h 20m3 stops
$866Scandinavian Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Scandinavian Airlines Logo
4:51 pm - 1:35 amSAT-HEL
25h 44m2 stops
Scandinavian Airlines Logo
7:00 am - 12:20 amHEL-SAT
25h 20m3 stops
$875Scandinavian Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6

Delta flights from San Antonio to Helsinki

Our best Delta deals on San Antonio to Helsinki flight tickets
Delta
Jan 18
SAT12:10 pmSan Antonio
20h 15m
2 stops
HEL4:25 pmHelsinki-Vantaa
Feb 18
HEL6:30 amHelsinki-Vantaa
23h 49m
2 stops
SAT10:19 pmSan Antonio
$481
Find similar
Delta
Oct 30
SAT11:35 amSan Antonio
21h 50m
2 stops
HEL4:25 pmHelsinki-Vantaa
Nov 6
HEL6:30 amHelsinki-Vantaa
25h 50m
2 stops
SAT12:20 amSan Antonio
$531
Find similar

American Airlines flights from San Antonio to Helsinki

Our best American Airlines deals on San Antonio to Helsinki flight tickets
American Airlines
Jan 18
SAT10:20 amSan Antonio
16h 25m
1 stop
HEL10:45 amHelsinki-Vantaa
Feb 18
HEL12:30 pmHelsinki-Vantaa
19h 38m
1 stop
SAT12:08 amSan Antonio
$432
Find similar
American Airlines
Oct 30
SAT12:18 pmSan Antonio
15h 27m
1 stop
HEL10:45 amHelsinki-Vantaa
Nov 6
HEL4:00 pmHelsinki-Vantaa
30h 39m
1 stop
SAT2:39 pmSan Antonio
$493
Find similar
American Airlines
Oct 30
SAT12:18 pmSan Antonio
15h 27m
1 stop
HEL10:45 amHelsinki-Vantaa
Nov 6
HEL4:00 pmHelsinki-Vantaa
30h 39m
1 stop
SAT2:39 pmSan Antonio
$497
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
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

Price

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 1/18

10:20 am-10:45 am

1 stop16h 25m

Helsinki-Vantaa

Wed 2/18

12:30 pm-12:08 am

1 stop19h 38m

$432

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 1/18

2:36 pm-3:10 pm

2 stops16h 34m

Helsinki-Vantaa

Wed 2/18

12:30 pm-8:00 pm

1 stop15h 30m

$469

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 1/18

12:10 pm-4:25 pm

2 stops20h 15m

Helsinki-Vantaa

Wed 2/18

6:30 am-10:19 pm

2 stops23h 49m

$481

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/30

12:18 pm-10:45 am

1 stop15h 27m

Helsinki-Vantaa

Thu 11/6

4:00 pm-2:39 pm

1 stop30h 39m

$493

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/30

11:35 am-4:25 pm

2 stops21h 50m

Helsinki-Vantaa

Thu 11/6

6:30 am-12:20 am

2 stops25h 50m

$531

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/30

1:23 pm-6:50 pm

2 stops22h 27m

Helsinki-Vantaa

Thu 11/6

6:55 am-9:20 pm

2 stops22h 25m

$546

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Wed 3/4

2:10 pm-4:30 pm

2 stops18h 20m

Helsinki-Vantaa

Sun 3/8

1:50 pm-10:46 am

2 stops27h 56m

$551

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sat 11/1

7:30 pm-6:50 pm

2 stops40h 20m

Helsinki-Vantaa

Sat 11/8

1:50 pm-11:16 pm

2 stops41h 26m

$552

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/30

4:51 pm-1:35 am

2 stops25h 44m

Helsinki-Vantaa

Thu 11/6

7:00 am-12:20 am

3 stops25h 20m

$866

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/30

4:51 pm-1:35 am

2 stops25h 44m

Helsinki-Vantaa

Thu 11/6

7:00 am-12:20 am

3 stops25h 20m

$875

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Helsinki from

How to get the cheapest flight ticket from San Antonio to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Antonio and Helsinki?

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $511. This is often the case because there is less demand to fly during this day of the week. Flights from San Antonio to Helsinki on a Sunday will generally be more expensive and average around $1,251. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from San Antonio to Helsinki in the evening for as low as $972. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $1,217 per ticket.

When to book flights from San Antonio to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Helsinki (SAT to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Helsinki

Direct flights

None
There are no direct flights from San Antonio to Helsinki. There are no popular flight routes from San Antonio to Helsinki.
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  • How far is San Antonio to Helsinki-Vantaa by plane?

    A flight from San Antonio to Helsinki-Vantaa will travel around 5468.2 mi. In terms of flight time, this usually takes a little over 15h 14m.

  • When did momondo last update prices for flights from San Antonio Airport to Helsinki-Vantaa Airport?

    Prices for flights from San Antonio Airport to Helsinki-Vantaa Airport are updated daily.

  • How many operators does momondo search for flights from San Antonio Airport to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from San Antonio Airport to Helsinki-Vantaa Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The necessary travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Helsinki?

Best airlines flying from San Antonio to Helsinki

Compare and see reviews for airlines that fly from San Antonio to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $479Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom $515Free CancellationRating
7.6
1,324 reviews
Search Finnair flights

Traveling to a place near Helsinki?

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Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Helsinki?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Helsinki for you.

Can I find flights from San Antonio to Helsinki with flexible booking policies on momondo?

momondo does allow users to show only those flights to Helsinki from San Antonio which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Antonio to Helsinki?

momondo helps you find the best flight between San Antonio and Helsinki by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Antonio to Helsinki right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Antonio to Helsinki flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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