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Cheap flights from San Antonio to Costa Rica from $143

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 2/24. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
10:35 am - 12:22 pm
SAT
-
SJO
25h 47m1 stop
Spirit Airlines Logo
1:30 pm - 9:40 am
SJO
-
SAT
20h 10m1 stop
$307Spirit Airlines
Sat, Jan 17 - Thu, Jan 22
Spirit Airlines Logo
10:35 am - 11:37 am
SAT
-
SJO
25h 02m2 stops
Spirit Airlines Logo
12:33 pm - 11:52 pm
SJO
-
SAT
11h 19m1 stop
$311Spirit Airlines
Sat, Jan 17 - Sat, Jan 24
Spirit Airlines Logo
10:35 am - 12:22 pm
SAT
-
SJO
25h 47m1 stop
Spirit Airlines Logo
1:30 pm - 9:40 am
SJO
-
SAT
20h 10m1 stop
$315Spirit Airlines
Fri, Jan 30 - Sun, Feb 8
Spirit Airlines Logo
10:35 am - 12:22 pm
SAT
-
SJO
25h 47m1 stop
Spirit Airlines Logo
1:30 pm - 11:52 pm
SJO
-
SAT
34h 22m2 stops
$320Spirit Airlines
Fri, Jan 9 - Mon, Jan 12
Delta Logo
5:20 am - 1:50 pm
SAT
-
LIR
8h 30m1 stop
Delta Logo
2:05 pm - 10:28 pm
LIR
-
SAT
8h 23m1 stop
$327Delta
Sun, Jan 18 - Thu, Jan 22
Delta Logo
5:20 am - 1:50 pm
SAT
-
LIR
8h 30m1 stop
Delta Logo
2:05 pm - 11:23 pm
LIR
-
SAT
9h 18m1 stop
$357Delta
Fri, Jan 9 - Wed, Jan 14
American Airlines Logo
7:00 pm - 12:37 pm
SAT
-
LIR
17h 37m2 stops
American Airlines Logo
1:21 pm - 9:52 am
LIR
-
SAT
20h 31m2 stops
$361American Airlines
Fri, Jan 9 - Wed, Jan 14
American Airlines Logo
8:19 pm - 12:28 pm
SAT
-
LIR
16h 09m1 stop
American Airlines Logo
1:20 pm - 11:25 pm
LIR
-
SAT
10h 05m1 stop
$362American Airlines
Sun, Feb 22 - Sun, Mar 1
United Airlines Logo
9:50 am - 6:37 pm
SAT
-
LIR
8h 47m1 stop
United Airlines Logo
8:35 am - 3:31 pm
LIR
-
SAT
6h 56m1 stop
$384United Airlines
Wed, Jan 7 - Sun, Jan 11
United Airlines Logo
7:40 am - 6:37 pm
SAT
-
LIR
10h 57m1 stop
United Airlines Logo
8:35 am - 3:31 pm
LIR
-
SAT
6h 56m1 stop
$387United Airlines
Thu, Jan 22 - Sun, Jan 25

Spirit Airlines flights from San Antonio to Costa Rica

Our best Spirit Airlines deals on San Antonio to Costa Rica flight tickets
Spirit Airlines
Jan 17
SAT10:35 amSan Antonio
25h 47m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Jan 22
SJO1:30 pmSan José Juan Santamaria Intl
20h 10m
1 stop
SAT9:40 amSan Antonio
$307
Find similar
Spirit Airlines
Jan 17
SAT10:35 amSan Antonio
25h 02m
2 stops
SJO11:37 amSan José Juan Santamaria Intl
Jan 24
SJO12:33 pmSan José Juan Santamaria Intl
11h 19m
1 stop
SAT11:52 pmSan Antonio
$311
Find similar
Spirit Airlines
Jan 30
SAT10:35 amSan Antonio
25h 47m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Feb 8
SJO1:30 pmSan José Juan Santamaria Intl
20h 10m
1 stop
SAT9:40 amSan Antonio
$315
Find similar

American Airlines flights from San Antonio to Costa Rica

Our best American Airlines deals on San Antonio to Costa Rica flight tickets
American Airlines
Jan 9
SAT5:10 amSan Antonio
7h 02m
1 stop
LIR12:12 pmLiberia
Jan 14
LIR1:21 pmLiberia
18h 59m
2 stops
SAT8:20 amSan Antonio
$361
Find similar
American Airlines
Feb 22
SAT8:19 pmSan Antonio
16h 09m
1 stop
LIR12:28 pmLiberia
Mar 1
LIR1:20 pmLiberia
10h 05m
1 stop
SAT11:25 pmSan Antonio
$362
Find similar
American Airlines
Jan 26
SAT5:10 amSan Antonio
7h 33m
1 stop
SJO12:43 pmSan José Juan Santamaria Intl
Feb 4
SJO1:43 pmSan José Juan Santamaria Intl
10h 16m
1 stop
SAT11:59 pmSan Antonio
$366
Find similar

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 December 4, 2025.
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

Sat 1/17

10:35 am-12:22 pm

1 stop25h 47m

San José Juan Santamaria Intl

Thu 1/22

1:30 pm-9:40 am

1 stop20h 10m

$307

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Sat 1/17

10:35 am-11:37 am

2 stops25h 02m

San José Juan Santamaria Intl

Sat 1/24

12:33 pm-11:52 pm

1 stop11h 19m

$311

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Fri 1/30

10:35 am-12:22 pm

1 stop25h 47m

San José Juan Santamaria Intl

Sun 2/8

1:30 pm-9:40 am

1 stop20h 10m

$315

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Fri 1/9

10:35 am-12:22 pm

1 stop25h 47m

San José Juan Santamaria Intl

Mon 1/12

1:30 pm-11:52 pm

2 stops34h 22m

$320

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Sun 1/18

5:20 am-1:50 pm

1 stop8h 30m

Liberia

Thu 1/22

2:05 pm-10:28 pm

1 stop8h 23m

$327

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Fri 1/9

5:20 am-1:50 pm

1 stop8h 30m

Liberia

Wed 1/14

2:05 pm-11:23 pm

1 stop9h 18m

$357

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Fri 1/9

7:00 pm-12:37 pm

2 stops17h 37m

Liberia

Wed 1/14

1:21 pm-9:52 am

2 stops20h 31m

$361

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Sun 2/22

8:19 pm-12:28 pm

1 stop16h 09m

Liberia

Sun 3/1

1:20 pm-11:25 pm

1 stop10h 05m

$362

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Wed 1/7

9:50 am-6:37 pm

1 stop8h 47m

Liberia

Sun 1/11

8:35 am-3:31 pm

1 stop6h 56m

$384

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Thu 1/22

7:40 am-6:37 pm

1 stop10h 57m

Liberia

Sun 1/25

8:35 am-3:31 pm

1 stop6h 56m

$387

Flights are sorted by cheapest round-trip flights 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 May is your next best option. Flight prices from San Antonio to Costa Rica during May average around $473.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Wednesday is the cheapest day to fly to Costa Rica from San Antonio. The lowest ticket price found for a Wednesday departure recently was $501. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $625. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

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

In the evening is the cheapest time of day to fly from San Antonio to Costa Rica when you can find flight prices for as low as $465. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the afternoon, with an average ticket price of $585. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $562 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
Spirit AirlinesPriceFrom $282Free CancellationRating
6.3
8,161 reviews
Search Spirit Airlines flights
DeltaPriceFrom $329Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $368Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
SouthwestPriceFrom $393Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
United AirlinesPriceFrom $399Free CancellationRating
7.4
9,065 reviews
Search United Airlines 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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