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

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

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 August 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.

$340 Cheap Flights from San Antonio to Helsinki in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Helsinki

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:14 pm - 6:45 pm

SAT

HEL

21h 31m

2 stops

7:00 am - 8:15 pm

HEL

SAT

21h 15m

2 stops

$718Lufthansa

Mon, Jan 4 - Tue, Jan 12

3:00 pm - 11:10 am

SAT

HEL

12h 10m

1 stop

12:30 pm - 9:52 pm

HEL

SAT

17h 22m

1 stop

$753American Airlines

Mon, Jan 4 - Tue, Jan 12

3:00 pm - 11:10 am

SAT

HEL

12h 10m

1 stop

12:30 pm - 11:58 pm

HEL

SAT

19h 28m

2 stops

$758American Airlines

Mon, Jan 4 - Tue, Jan 12

1:33 pm - 2:15 pm

SAT

HEL

16h 42m

1 stop

4:25 pm - 11:55 pm

HEL

SAT

15h 30m

1 stop

$774Multiple Airlines

Sun, Sep 6 - Tue, Sep 22

5:00 am - 10:45 am

SAT

HEL

21h 45m

1 stop

12:30 pm - 7:23 pm

HEL

SAT

13h 53m

1 stop

$780Multiple Airlines

Tue, Oct 13 - Tue, Oct 27

1:55 pm - 3:20 pm

SAT

HEL

17h 25m

2 stops

6:10 am - 9:14 pm

HEL

SAT

23h 04m

2 stops

$781Scandinavian Airlines

Mon, Sep 14 - Mon, Sep 21

5:00 am - 10:45 am

SAT

HEL

21h 45m

1 stop

12:30 pm - 7:14 pm

HEL

SAT

13h 44m

1 stop

$781Multiple Airlines

Tue, Oct 13 - Tue, Oct 27

10:36 am - 10:45 am

SAT

HEL

16h 09m

1 stop

12:30 pm - 10:00 pm

HEL

SAT

16h 30m

1 stop

$781Multiple Airlines

Tue, Oct 13 - Tue, Oct 27

7:00 am - 1:35 am

SAT

HEL

34h 35m

2 stops

7:00 am - 10:51 pm

HEL

SAT

22h 51m

2 stops

$782Lufthansa

Tue, Oct 13 - Tue, Oct 27

12:10 pm - 1:35 am

SAT

HEL

29h 25m

2 stops

7:00 am - 10:51 pm

HEL

SAT

22h 51m

2 stops

$782Lufthansa

Tue, Oct 13 - Tue, Oct 27

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Lufthansa flights from San Antonio to Helsinki

Our best Lufthansa deals on San Antonio to Helsinki flight tickets

Lufthansa

Jan 4

SAT1:14 pmSan Antonio

21h 31m

2 stops

HEL6:45 pmHelsinki-Vantaa

Jan 12

HEL7:00 amHelsinki-Vantaa

21h 15m

2 stops

SAT8:15 pmSan Antonio

$718

Lufthansa

Oct 13

SAT12:10 pmSan Antonio

29h 25m

2 stops

HEL1:35 amHelsinki-Vantaa

Oct 27

HEL7:00 amHelsinki-Vantaa

22h 51m

2 stops

SAT10:51 pmSan Antonio

$782

Lufthansa

Dec 5

SAT12:10 pmSan Antonio

22h 35m

2 stops

HEL6:45 pmHelsinki-Vantaa

Dec 12

HEL7:05 amHelsinki-Vantaa

22h 08m

2 stops

SAT9:13 pmSan Antonio

$814

American Airlines flights from San Antonio to Helsinki

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

American Airlines

Jan 4

SAT3:00 pmSan Antonio

12h 10m

1 stop

HEL11:10 amHelsinki-Vantaa

Jan 12

HEL12:30 pmHelsinki-Vantaa

17h 22m

1 stop

SAT9:52 pmSan Antonio

$753

American Airlines

Jan 4

SAT3:00 pmSan Antonio

12h 10m

1 stop

HEL11:10 amHelsinki-Vantaa

Jan 12

HEL12:30 pmHelsinki-Vantaa

19h 28m

2 stops

SAT11:58 pmSan Antonio

$758

American Airlines

Oct 1

SAT6:00 amSan Antonio

20h 45m

1 stop

HEL10:45 amHelsinki-Vantaa

Oct 7

HEL12:35 pmHelsinki-Vantaa

17h 25m

1 stop

SAT10:00 pmSan Antonio

$830

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 1/4

1:14 pm-6:45 pm

2 stops21h 31m

Helsinki-Vantaa

Tue 1/12

7:00 am-8:15 pm

2 stops21h 15m

$718

Quickest round-trip

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 1/4

3:00 pm-11:10 am

1 stop12h 10m

Helsinki-Vantaa

Tue 1/12

12:30 pm-9:52 pm

1 stop17h 22m

$753

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 1/4

3:00 pm-11:10 am

1 stop12h 10m

Helsinki-Vantaa

Tue 1/12

12:30 pm-11:58 pm

2 stops19h 28m

$758

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Sun 9/6

1:33 pm-2:15 pm

1 stop16h 42m

Helsinki-Vantaa

Tue 9/22

4:25 pm-11:55 pm

1 stop15h 30m

$774

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

5:00 am-10:45 am

1 stop21h 45m

Helsinki-Vantaa

Tue 10/27

12:30 pm-7:23 pm

1 stop13h 53m

$780

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Mon 9/14

1:55 pm-3:20 pm

2 stops17h 25m

Helsinki-Vantaa

Mon 9/21

6:10 am-9:14 pm

2 stops23h 04m

$781

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

5:00 am-10:45 am

1 stop21h 45m

Helsinki-Vantaa

Tue 10/27

12:30 pm-7:14 pm

1 stop13h 44m

$781

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

10:36 am-10:45 am

1 stop16h 09m

Helsinki-Vantaa

Tue 10/27

12:30 pm-10:00 pm

1 stop16h 30m

$781

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

7:00 am-1:35 am

2 stops34h 35m

Helsinki-Vantaa

Tue 10/27

7:00 am-10:51 pm

2 stops22h 51m

$782

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

Tue 10/13

12:10 pm-1:35 am

2 stops29h 25m

Helsinki-Vantaa

Tue 10/27

7:00 am-10:51 pm

2 stops22h 51m

$782

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

What is the cheapest month to fly to Helsinki?

The month of October is, on average, the cheapest month to fly to Helsinki from San Antonio, with most prices found around $0. If you aren’t able to travel during the month of October, then book flights to Helsinki from San Antonio during February instead. Flights to Helsinki in February, while not as cheap as those in October, still average around $0.

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	14h 55m
Direct flights	None

The fastest flight from San Antonio to Helsinki takes 14h 55m

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 14h 55m.
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 August 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 $668	Free Cancellation	Rating 7.1 11,844 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.