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Cheap flights from San Antonio to Costa Rica from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Costa Rica departing on 4/20. 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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0 bags

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Find the cheapest flights from San Antonio to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:00 am - 12:31 pm
SAT
-
SJO
7h 31m
1 stop
American Airlines Logo
2:20 pm - 8:23 am
SJO
-
SAT
17h 03m
1 stop
$283American Airlines
Mon, Mar 2 - Tue, Mar 10
Multiple Airlines Logo
5:04 pm - 12:22 pm
SAT
-
SJO
19h 18m
2 stops
Multiple Airlines Logo
1:31 pm - 9:30 am
SJO
-
SAT
19h 59m
1 stop
$355Multiple Airlines
Mon, Feb 23 - Mon, Mar 2
GOL Logo
5:41 pm - 1:50 pm
SAT
-
SJO
20h 09m
2 stops
GOL Logo
2:20 pm - 10:54 pm
SJO
-
SAT
7h 34m
1 stop
$356GOL
Mon, Mar 2 - Tue, Mar 10
American Airlines Logo
6:24 am - 8:33 pm
SAT
-
SJO
14h 09m
2 stops
American Airlines Logo
2:20 pm - 8:23 am
SJO
-
SAT
17h 03m
1 stop
$364American Airlines
Mon, Mar 2 - Tue, Mar 10
American Airlines Logo
7:00 am - 10:30 pm
SAT
-
SJO
15h 30m
2 stops
American Airlines Logo
6:00 am - 11:59 pm
SJO
-
SAT
17h 59m
1 stop
$371American Airlines
Tue, Feb 3 - Tue, Feb 10
Delta Logo
5:30 am - 12:50 pm
SAT
-
LIR
7h 20m
1 stop
Delta Logo
2:05 pm - 10:28 pm
LIR
-
SAT
8h 23m
1 stop
$372Delta
Sun, Feb 22 - Mon, Mar 2
Spirit Airlines Logo
10:26 am - 12:22 pm
SAT
-
SJO
25h 56m
1 stop
Spirit Airlines Logo
1:31 pm - 9:30 am
SJO
-
SAT
19h 59m
1 stop
$372Spirit Airlines
Mon, Feb 23 - Mon, Mar 2
Spirit Airlines Logo
10:26 am - 12:22 pm
SAT
-
SJO
25h 56m
1 stop
Spirit Airlines Logo
1:31 pm - 9:30 am
SJO
-
SAT
19h 59m
1 stop
$373Spirit Airlines
Mon, Feb 16 - Fri, Feb 20
Multiple Airlines Logo
5:04 pm - 12:22 pm
SAT
-
SJO
19h 18m
2 stops
Multiple Airlines Logo
1:31 pm - 9:30 am
SJO
-
SAT
19h 59m
1 stop
$374Multiple Airlines
Mon, Feb 16 - Fri, Feb 20
Delta Logo
5:10 am - 12:50 pm
SAT
-
LIR
8h 40m
1 stop
Delta Logo
1:05 pm - 12:38 am
LIR
-
SAT
10h 33m
1 stop
$480Delta
Tue, Mar 24 - Mon, Mar 30

Spirit Airlines flights from San Antonio to Costa Rica

Our best Spirit Airlines deals on San Antonio to Costa Rica flight tickets
Spirit Airlines
Feb 23
SAT10:26 amSan Antonio
25h 56m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Mar 2
SJO1:31 pmSan José Juan Santamaria Intl
19h 59m
1 stop
SAT9:30 amSan Antonio
$372
Spirit Airlines
Feb 16
SAT10:26 amSan Antonio
25h 56m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Feb 20
SJO1:31 pmSan José Juan Santamaria Intl
19h 59m
1 stop
SAT9:30 amSan Antonio
$373
Spirit Airlines
Feb 17
SAT10:26 amSan Antonio
25h 56m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Feb 24
SJO12:35 pmSan José Juan Santamaria Intl
11h 24m
1 stop
SAT11:59 pmSan Antonio
$376

United Airlines flights from San Antonio to Costa Rica

Our best United Airlines deals on San Antonio to Costa Rica flight tickets
United Airlines
Jul 9
SAT5:45 amSan Antonio
5h 15m
1 stop
LIR10:00 amLiberia
Jul 13
LIR3:25 pmLiberia
16h 23m
1 stop
SAT8:48 amSan Antonio
$513
United Airlines
Jan 31
SAT4:04 pmSan Antonio
26h 12m
1 stop
SJO6:16 pmSan José Juan Santamaria Intl
Feb 12
SJO12:35 pmSan José Juan Santamaria Intl
7h 18m
1 stop
SAT7:53 pmSan Antonio
$518
United Airlines
Mar 5
SAT11:44 amSan Antonio
6h 53m
1 stop
LIR6:37 pmLiberia
Mar 12
LIR7:35 amLiberia
14h 22m
1 stop
SAT10:57 pmSan Antonio
$534

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Costa Rica 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 January 20, 2026.
Use the filters below to find and compare flights from San Antonio to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Mon 3/2

5:00 am-12:31 pm

1 stop7h 31m

San José Juan Santamaria Intl

Tue 3/10

2:20 pm-8:23 am

1 stop17h 03m

$283

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Mon 2/23

5:04 pm-12:22 pm

2 stops19h 18m

San José Juan Santamaria Intl

Mon 3/2

1:31 pm-9:30 am

1 stop19h 59m

$355

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Mon 3/2

5:41 pm-1:50 pm

2 stops20h 09m

San José Juan Santamaria Intl

Tue 3/10

2:20 pm-10:54 pm

1 stop7h 34m

$356

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Mon 3/2

6:24 am-8:33 pm

2 stops14h 09m

San José Juan Santamaria Intl

Tue 3/10

2:20 pm-8:23 am

1 stop17h 03m

$364

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Tue 2/3

7:00 am-10:30 pm

2 stops15h 30m

San José Juan Santamaria Intl

Tue 2/10

6:00 am-11:59 pm

1 stop17h 59m

$371

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Sun 2/22

5:30 am-12:50 pm

1 stop7h 20m

Liberia

Mon 3/2

2:05 pm-10:28 pm

1 stop8h 23m

$372

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Mon 2/23

10:26 am-12:22 pm

1 stop25h 56m

San José Juan Santamaria Intl

Mon 3/2

1:31 pm-9:30 am

1 stop19h 59m

$372

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Mon 2/16

10:26 am-12:22 pm

1 stop25h 56m

San José Juan Santamaria Intl

Fri 2/20

1:31 pm-9:30 am

1 stop19h 59m

$373

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Mon 2/16

5:04 pm-12:22 pm

2 stops19h 18m

San José Juan Santamaria Intl

Fri 2/20

1:31 pm-9:30 am

1 stop19h 59m

$374

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Tue 3/24

5:10 am-12:50 pm

1 stop8h 40m

Liberia

Mon 3/30

1:05 pm-12:38 am

1 stop10h 33m

$480

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from San Antonio to Costa Rica

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 month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from San Antonio is in September. Flight prices, which tend to average around $414, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then January is your next best option. Flight prices from San Antonio to Costa Rica during January average around $467.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $552 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from San Antonio for as low as $420 on momondo.

Can stopping save me money on San Antonio to Costa Rica flights?

You could potentially save up to 3% on your flight if you consider stops on a San Antonio to Costa Rica flight.

Cheap San Antonio to Costa Rica flight deals and tips

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

Fastest flight time

5h 15m

Direct flights

None
The fastest flight from San Antonio to Costa Rica takes 5h 15m
There are no direct flights from San Antonio to Costa Rica. There are no popular flight routes from San Antonio to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from San Antonio Airport to Costa Rica?

    Prices for flights from San Antonio Airport to Costa Rica refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Costa Rica?

  • How old do you have to be to fly from San Antonio Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The necessary travel and health documents for your Costa Rica 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.

Best airlines flying from San Antonio to Costa Rica

Compare and see reviews for airlines that fly from San Antonio to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $187Free CancellationRating
7.9
8,076 reviews
Search Delta flights
Spirit AirlinesPriceFrom $282Free CancellationRating
6.3
8,349 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $373Free CancellationRating
7.2
11,164 reviews
Search American Airlines flights
United AirlinesPriceFrom $392Free CancellationRating
7.4
9,180 reviews
Search United Airlines flights
SouthwestPriceFrom $393Free CancellationRating
8.0
4,267 reviews
Search Southwest flights

Why use momondo?

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

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 Costa Rica for you.

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

Yes. All flights to Costa Rica from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from San Antonio.

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

Yes. momondo can track prices for San Antonio to Costa Rica 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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