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Cheap flights from San Antonio to Helsinki from $824

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 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

United Airlines Logo
1:23 pm - 6:40 pmSAT-HEL
21h 17m2 stops
United Airlines Logo
12:45 pm - 11:59 pmHEL-SAT
43h 14m2 stops
$824United Airlines
Find Deal
lun., dic. 1 - mié., dic. 31
Finnair Logo
12:55 pm - 10:45 amSAT-HEL
13h 50m1 stop
Finnair Logo
12:25 pm - 9:59 pmHEL-SAT
17h 34m1 stop
$827Finnair
Find Deal
lun., dic. 1 - mié., dic. 31
Logo
12:55 pm - 10:45 amSAT-HEL
13h 50m1 stop
Logo
2:00 pm - 11:46 pmHEL-SAT
17h 46m2 stops
$1,088
Find Deal
lun., dic. 1 - mié., dic. 31

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 julio 31, 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

lun. 12/1

1:23 pm-6:40 pm

2 stops21h 17m

Helsinki-Vantaa

mié. 12/31

12:45 pm-11:59 pm

2 stops43h 14m

$824

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

lun. 12/1

12:55 pm-10:45 am

1 stop13h 50m

Helsinki-Vantaa

mié. 12/31

12:25 pm-9:59 pm

1 stop17h 34m

$827

San AntonioHelsinki

SAT - HEL

SATHEL

San Antonio

lun. 12/1

12:55 pm-10:45 am

1 stop13h 50m

Helsinki-Vantaa

mié. 12/31

2:00 pm-11:46 pm

2 stops17h 46m

$1,088

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 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

Best Price Found

$824

Fastest flight time

13h 50m

Direct flights

None

Airports in Helsinki

1 airport
The best flight deal from San Antonio to Helsinki found on momondo in the last 72 hours is $824
The fastest flight from San Antonio to Helsinki takes 13h 50m
There are no direct flights from San Antonio to Helsinki. Popular non-direct route for this connection is San Antonio Airport - Helsinki-Vantaa Airport.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
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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 13h 50m.

  • 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 $498Free CancellationRating
7.6
1,316 reviews
Search Finnair flights

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
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Espoo
Kotka
Lahti

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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