Which airport is the most popular layover for flights between San Antonio and Helsinki?

Dallas (DFW) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Antonio to Helsinki?

Flights via Chicago (ORD) offer the lowest average round-trip price of $1,427.

What is the cheapest airline that flies from San Antonio to Helsinki-Vantaa?

Delta and United Airlines are the most popular carriers operating from San Antonio to Helsinki-Vantaa

Which layover airport has the shortest travel time from San Antonio to Helsinki?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 13h 33m.

Which layover airport has the shortest connection time from San Antonio to Helsinki?

Dallas (DFW) has the shortest average layover time for this route: 2h 20m.

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?

As of April 2026, there is 1 operator available to choose from 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.

$729 Cheap Flights from San Antonio to Helsinki in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $867 to $714. The lowest price recently found on this route was $729.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Helsinki

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 1:35 am

SAT

HEL

24h 35m

2 stops

6:55 am - 5:33 pm

HEL

SAT

17h 38m

2 stops

$729Lufthansa

Tue, Oct 13 - Tue, Oct 27

5:00 pm - 1:35 am

SAT

HEL

24h 35m

2 stops

6:55 am - 5:33 pm

HEL

SAT

17h 38m

2 stops

$730Lufthansa

Tue, Oct 13 - Tue, Oct 27

9:16 am - 10:45 am

SAT

HEL

17h 29m

1 stop

4:25 pm - 12:36 pm

HEL

SAT

27h 11m

1 stop

$733American Airlines

Tue, Oct 13 - Tue, Oct 27

4:00 pm - 4:40 pm

SAT

HEL

16h 40m

2 stops

7:00 am - 11:18 pm

HEL

SAT

23h 18m

2 stops

$741Multiple Airlines

Tue, Oct 13 - Tue, Oct 27

11:50 am - 1:10 pm

SAT

HEL

17h 20m

2 stops

6:55 am - 5:33 pm

HEL

SAT

17h 38m

2 stops

$742Lufthansa

Tue, Oct 13 - Tue, Oct 27

9:16 am - 10:45 am

SAT

HEL

17h 29m

1 stop

12:35 pm - 7:41 pm

HEL

SAT

15h 06m

1 stop

$777Multiple Airlines

Thu, Oct 1 - Wed, Oct 7

9:47 am - 6:55 pm

SAT

HEL

25h 08m

2 stops

6:35 am - 9:13 pm

HEL

SAT

22h 38m

2 stops

$791United Airlines

Thu, Oct 1 - Wed, Oct 7

6:40 am - 6:55 pm

SAT

HEL

28h 15m

2 stops

6:35 am - 9:16 pm

HEL

SAT

22h 41m

2 stops

$799United Airlines

Thu, Oct 1 - Wed, Oct 7

1:42 pm - 3:15 pm

SAT

HEL

17h 33m

2 stops

12:30 pm - 11:59 pm

HEL

SAT

18h 29m

1 stop

$803British Airways

Tue, Oct 13 - Tue, Oct 27

1:13 pm - 2:15 pm

SAT

HEL

17h 02m

1 stop

12:35 pm - 11:59 pm

HEL

SAT

19h 24m

1 stop

$804American Airlines

Thu, Oct 1 - Wed, Oct 7

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American Airlines flights from San Antonio to Helsinki

Our best American Airlines deals on San Antonio to Helsinki flight tickets

American Airlines

Oct 13

SAT9:16 amSan Antonio

17h 29m

1 stop

HEL10:45 amHelsinki-Vantaa

Oct 27

HEL4:25 pmHelsinki-Vantaa

27h 11m

1 stop

SAT12:36 pmSan Antonio

$733

American Airlines

Oct 1

SAT1:13 pmSan Antonio

17h 02m

1 stop

HEL2:15 pmHelsinki-Vantaa

Oct 7

HEL12:35 pmHelsinki-Vantaa

19h 24m

1 stop

SAT11:59 pmSan Antonio

$804

American Airlines

Oct 1

SAT1:13 pmSan Antonio

17h 02m

1 stop

HEL2:15 pmHelsinki-Vantaa

Oct 7

HEL4:25 pmHelsinki-Vantaa

15h 34m

2 stops

SAT11:59 pmSan Antonio

$809

United Airlines flights from San Antonio to Helsinki

Our best United Airlines deals on San Antonio to Helsinki flight tickets

United Airlines

Oct 1

SAT9:47 amSan Antonio

25h 08m

2 stops

HEL6:55 pmHelsinki-Vantaa

Oct 7

HEL6:35 amHelsinki-Vantaa

22h 38m

2 stops

SAT9:13 pmSan Antonio

$791

United Airlines

Oct 1

SAT6:40 amSan Antonio

28h 15m

2 stops

HEL6:55 pmHelsinki-Vantaa

Oct 7

HEL6:35 amHelsinki-Vantaa

22h 41m

2 stops

SAT9:16 pmSan Antonio

$799

United Airlines

Oct 1

SAT7:00 amSan Antonio

22h 05m

2 stops

HEL1:05 pmHelsinki-Vantaa

Oct 7

HEL6:35 amHelsinki-Vantaa

22h 02m

2 stops

SAT8:37 pmSan Antonio

$805

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

5:00 pm-1:35 am

2 stops24h 35m

Helsinki-Vantaa

Tue 10/27

6:55 am-5:33 pm

2 stops17h 38m

$729

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

5:00 pm-1:35 am

2 stops24h 35m

Helsinki-Vantaa

Tue 10/27

6:55 am-5:33 pm

2 stops17h 38m

$730

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

9:16 am-10:45 am

1 stop17h 29m

Helsinki-Vantaa

Tue 10/27

4:25 pm-12:36 pm

1 stop27h 11m

$733

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

4:00 pm-4:40 pm

2 stops16h 40m

Helsinki-Vantaa

Tue 10/27

7:00 am-11:18 pm

2 stops23h 18m

$741

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

11:50 am-1:10 pm

2 stops17h 20m

Helsinki-Vantaa

Tue 10/27

6:55 am-5:33 pm

2 stops17h 38m

$742

Quickest round-trip

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/1

9:16 am-10:45 am

1 stop17h 29m

Helsinki-Vantaa

Wed 10/7

12:35 pm-7:41 pm

1 stop15h 06m

$777

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/1

9:47 am-6:55 pm

2 stops25h 08m

Helsinki-Vantaa

Wed 10/7

6:35 am-9:13 pm

2 stops22h 38m

$791

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/1

6:40 am-6:55 pm

2 stops28h 15m

Helsinki-Vantaa

Wed 10/7

6:35 am-9:16 pm

2 stops22h 41m

$799

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

1:42 pm-3:15 pm

2 stops17h 33m

Helsinki-Vantaa

Tue 10/27

12:30 pm-11:59 pm

1 stop18h 29m

$803

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Thu 10/1

1:13 pm-2:15 pm

1 stop17h 02m

Helsinki-Vantaa

Wed 10/7

12:35 pm-11:59 pm

1 stop19h 24m

$804

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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

Can stopping save me money on San Antonio to Helsinki flights?

You could potentially save up to 32% on your flight if you consider stops on a San Antonio to Helsinki flight.

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

Fastest flight time	15h 30m
Direct flights	None

The fastest flight from San Antonio to Helsinki takes 15h 30m

There are no direct flights from San Antonio to Helsinki. There are no popular flight routes from San Antonio to Helsinki.

Search flight deals

Frequently asked questions about flying from San Antonio to Helsinki

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 30m.
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?
As of April 2026, there is 1 operator available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from San Antonio to Helsinki is American Airlines, representing 100% of all bookings.

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 Airlines	PriceFrom $484	Free Cancellation	Rating 7.1 11,647 reviews		Search American Airlines flights

Vantaa

Espoo

Lahti

Kotka

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.