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Cheap flights from San Antonio to Costa Rica from $144

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 10/15. 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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Find the cheapest flights from San Antonio to Costa Rica

Cheap round-trip flights

Logo
11:18 am - 11:52 pmSAT-SJO
13h 34m1 stop
Logo
4:13 pm - 10:00 amSJO-SAT
16h 47m1 stop
$316
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Mon, Sep 1 - Mon, Sep 8
Logo
11:18 am - 11:52 pmSAT-SJO
13h 34m1 stop
Logo
4:13 pm - 10:00 amSJO-SAT
16h 47m1 stop
$329
Find Deal
Mon, Sep 1 - Mon, Sep 8
Spirit Airlines Logo
7:17 pm - 11:14 amSAT-SJO
16h 57m1 stop
Spirit Airlines Logo
12:19 pm - 6:12 pmSJO-SAT
28h 53m1 stop
$358Spirit Airlines
Find Deal
Thu, Sep 11 - Thu, Sep 18
Spirit Airlines Logo
6:00 am - 11:27 amSAT-SJO
29h 27m1 stop
Spirit Airlines Logo
12:22 pm - 10:27 pmSJO-SAT
10h 05m1 stop
$360Spirit Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
5:29 am - 12:00 pmSAT-LIR
7h 31m1 stop
Delta Logo
1:25 pm - 11:59 pmLIR-SAT
9h 34m1 stop
$361Delta
Find Deal
Tue, Sep 30 - Wed, Oct 1
American Airlines Logo
5:00 am - 6:15 pmSAT-SJO
14h 15m1 stop
American Airlines Logo
6:00 am - 11:55 pmSJO-SAT
16h 55m1 stop
$362American Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
American Airlines Logo
7:30 pm - 2:10 pmSAT-LIR
18h 40m2 stops
American Airlines Logo
3:30 pm - 9:24 amLIR-SAT
17h 54m2 stops
$365American Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 16
Delta Logo
5:14 am - 12:00 pmSAT-LIR
7h 46m1 stop
Delta Logo
1:05 pm - 12:20 amLIR-SAT
10h 15m1 stop
$400Delta
Find Deal
Sun, Oct 26 - Sat, Nov 1
United Airlines Logo
7:40 am - 1:10 pmSAT-LIR
5h 30m1 stop
United Airlines Logo
8:50 am - 10:33 pmLIR-SAT
13h 43m1 stop
$457United Airlines
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Fri, Jan 2 - Thu, Jan 8
United Airlines Logo
11:40 am - 6:37 pmSAT-LIR
6h 57m1 stop
United Airlines Logo
2:20 pm - 9:32 pmLIR-SAT
7h 12m1 stop
$510United Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 7

American Airlines flights from San Antonio to Costa Rica

Our best American Airlines deals on San Antonio to Costa Rica flight tickets
American Airlines
Aug 27
SAT5:00 amSan Antonio
14h 15m
1 stop
SJO6:15 pmSan José Juan Santamaria Intl
Sep 3
SJO6:00 amSan José Juan Santamaria Intl
16h 55m
1 stop
SAT11:55 pmSan Antonio
$362
Find similar
American Airlines
Dec 2
SAT7:30 pmSan Antonio
18h 40m
2 stops
LIR2:10 pmLiberia
Dec 16
LIR3:30 pmLiberia
17h 54m
2 stops
SAT9:24 amSan Antonio
$365
Find similar
American Airlines
Aug 27
SAT5:00 amSan Antonio
16h 15m
2 stops
SJO8:15 pmSan José Juan Santamaria Intl
Sep 3
SJO6:00 amSan José Juan Santamaria Intl
14h 22m
2 stops
SAT9:22 pmSan Antonio
$366
Find similar

Delta flights from San Antonio to Costa Rica

Our best Delta deals on San Antonio to Costa Rica flight tickets
Delta
Sep 30
SAT5:29 amSan Antonio
7h 31m
1 stop
LIR12:00 pmLiberia
Oct 1
LIR1:25 pmLiberia
9h 34m
1 stop
SAT11:59 pmSan Antonio
$361
Find similar
Delta
Oct 26
SAT5:14 amSan Antonio
7h 46m
1 stop
LIR12:00 pmLiberia
Nov 1
LIR1:05 pmLiberia
10h 15m
1 stop
SAT12:20 amSan Antonio
$400
Find similar
Delta
Jan 7
SAT12:15 pmSan Antonio
10h 00m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Jan 18
SJO2:20 pmSan José Juan Santamaria Intl
9h 13m
1 stop
SAT11:33 pmSan Antonio
$438
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 August 1, 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

Mon 9/1

11:18 am-11:52 pm

1 stop13h 34m

San José Juan Santamaria Intl

Mon 9/8

4:13 pm-10:00 am

1 stop16h 47m

$316

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Mon 9/1

11:18 am-11:52 pm

1 stop13h 34m

San José Juan Santamaria Intl

Mon 9/8

4:13 pm-10:00 am

1 stop16h 47m

$329

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Thu 9/11

7:17 pm-11:14 am

1 stop16h 57m

San José Juan Santamaria Intl

Thu 9/18

12:19 pm-6:12 pm

1 stop28h 53m

$358

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Thu 11/13

6:00 am-11:27 am

1 stop29h 27m

San José Juan Santamaria Intl

Mon 11/17

12:22 pm-10:27 pm

1 stop10h 05m

$360

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Tue 9/30

5:29 am-12:00 pm

1 stop7h 31m

Liberia

Wed 10/1

1:25 pm-11:59 pm

1 stop9h 34m

$361

San AntonioSan José

SAT - SJO

SATSJO

San Antonio

Wed 8/27

5:00 am-6:15 pm

1 stop14h 15m

San José Juan Santamaria Intl

Wed 9/3

6:00 am-11:55 pm

1 stop16h 55m

$362

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Tue 12/2

7:30 pm-2:10 pm

2 stops18h 40m

Liberia

Tue 12/16

3:30 pm-9:24 am

2 stops17h 54m

$365

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Sun 10/26

5:14 am-12:00 pm

1 stop7h 46m

Liberia

Sat 11/1

1:05 pm-12:20 am

1 stop10h 15m

$400

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Fri 1/2

7:40 am-1:10 pm

1 stop5h 30m

Liberia

Thu 1/8

8:50 am-10:33 pm

1 stop13h 43m

$457

San AntonioLiberia

SAT - LIR

SATLIR

San Antonio

Mon 12/1

11:40 am-6:37 pm

1 stop6h 57m

Liberia

Sun 12/7

2:20 pm-9:32 pm

1 stop7h 12m

$510

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 $434, 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 $576 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 $477 on momondo.

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

Best Price Found

$144

Fastest flight time

5h 30m

Direct flights

None

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from San Antonio in the past 72 hours is $144. The best round-trip flight deal from San Antonio to Costa Rica found on momondo in the last 72 hours is $316.
The fastest flight from San Antonio to Costa Rica takes 5h 30m
There are no direct flights from San Antonio to Costa Rica. Popular non-direct routes for this connection are San Antonio Airport - Liberia Airport and San Antonio Airport - San José Juan Santamaria Intl Airport.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)
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  • 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 $310Free CancellationRating
6.3
8,054 reviews
Search Spirit Airlines flights
DeltaPriceFrom $329Free CancellationRating
8.0
7,983 reviews
Search Delta flights
SouthwestPriceFrom $367Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $373Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $390Free CancellationRating
7.4
8,904 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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