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Cheap flights from San Antonio to Port of Spain from $690

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 Port of Spain departing on 9/14. 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 Port of Spain

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:15 pm - 11:23 pm
SAT
-
POS
8h 08m
1 stop
United Airlines Logo
12:30 am - 10:44 am
POS
-
SAT
11h 14m
1 stop
$690United Airlines
Mon, Sep 14 - Thu, Sep 17
United Airlines Logo
2:15 pm - 11:23 pm
SAT
-
POS
8h 08m
1 stop
United Airlines Logo
12:30 am - 4:08 pm
POS
-
SAT
16h 38m
2 stops
$694United Airlines
Mon, Sep 14 - Thu, Sep 17
United Airlines Logo
11:50 am - 11:23 pm
SAT
-
POS
10h 33m
1 stop
United Airlines Logo
12:30 am - 3:48 pm
POS
-
SAT
16h 18m
1 stop
$810United Airlines
Tue, Oct 20 - Fri, Oct 23
United Airlines Logo
5:30 am - 11:23 pm
SAT
-
POS
16h 53m
1 stop
United Airlines Logo
12:30 am - 3:38 pm
POS
-
SAT
16h 08m
2 stops
$814United Airlines
Tue, Oct 20 - Fri, Oct 23
United Airlines Logo
5:30 am - 11:23 pm
SAT
-
POS
16h 53m
1 stop
United Airlines Logo
12:30 am - 5:44 pm
POS
-
SAT
18h 14m
1 stop
$815United Airlines
Fri, May 29 - Mon, Jun 1
United Airlines Logo
5:30 pm - 11:23 pm
SAT
-
POS
28h 53m
2 stops
United Airlines Logo
12:30 am - 4:30 pm
POS
-
SAT
17h 00m
2 stops
$819United Airlines
Fri, May 29 - Mon, Jun 1
United Airlines Logo
2:15 pm - 11:23 pm
SAT
-
POS
8h 08m
1 stop
United Airlines Logo
2:00 am - 10:44 pm
POS
-
SAT
21h 44m
2 stops
$894United Airlines
Sun, Jul 12 - Fri, Jul 17
United Airlines Logo
7:43 am - 11:23 pm
SAT
-
POS
14h 40m
1 stop
United Airlines Logo
12:30 am - 8:27 am
POS
-
SAT
8h 57m
1 stop
$995United Airlines
Sun, Jul 12 - Fri, Jul 17
United Airlines Logo
6:27 am - 12:50 am
SAT
-
POS
17h 23m
1 stop
United Airlines Logo
12:30 am - 8:27 am
POS
-
SAT
8h 57m
1 stop
$1,000United Airlines
Sun, Jul 12 - Fri, Jul 17
United Airlines Logo
5:30 am - 11:23 pm
SAT
-
POS
16h 53m
1 stop
United Airlines Logo
2:00 am - 10:44 pm
POS
-
SAT
21h 44m
2 stops
$1,004United Airlines
Sun, Jul 12 - Fri, Jul 17

United Airlines flights from San Antonio to Port of Spain

Our best United Airlines deals on San Antonio to Port of Spain flight tickets
United Airlines
Sep 14
SAT2:15 pmSan Antonio
8h 08m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Sep 17
POS12:30 amPort of Spain Piarco Intl
11h 14m
1 stop
SAT10:44 amSan Antonio
$690
United Airlines
Sep 14
SAT2:15 pmSan Antonio
8h 08m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Sep 17
POS12:30 amPort of Spain Piarco Intl
16h 38m
2 stops
SAT4:08 pmSan Antonio
$694
United Airlines
Oct 20
SAT11:50 amSan Antonio
10h 33m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Oct 23
POS12:30 amPort of Spain Piarco Intl
16h 18m
1 stop
SAT3:48 pmSan Antonio
$810

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Port of Spain 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 May 7, 2026.
Use the filters below to find and compare flights from San Antonio to Port of Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Mon 9/14

2:15 pm-11:23 pm

1 stop8h 08m

Port of Spain Piarco Intl

Thu 9/17

12:30 am-10:44 am

1 stop11h 14m

$690

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Mon 9/14

2:15 pm-11:23 pm

1 stop8h 08m

Port of Spain Piarco Intl

Thu 9/17

12:30 am-4:08 pm

2 stops16h 38m

$694

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Tue 10/20

11:50 am-11:23 pm

1 stop10h 33m

Port of Spain Piarco Intl

Fri 10/23

12:30 am-3:48 pm

1 stop16h 18m

$810

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Tue 10/20

5:30 am-11:23 pm

1 stop16h 53m

Port of Spain Piarco Intl

Fri 10/23

12:30 am-3:38 pm

2 stops16h 08m

$814

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Fri 5/29

5:30 am-11:23 pm

1 stop16h 53m

Port of Spain Piarco Intl

Mon 6/1

12:30 am-5:44 pm

1 stop18h 14m

$815

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Fri 5/29

5:30 pm-11:23 pm

2 stops28h 53m

Port of Spain Piarco Intl

Mon 6/1

12:30 am-4:30 pm

2 stops17h 00m

$819

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Sun 7/12

2:15 pm-11:23 pm

1 stop8h 08m

Port of Spain Piarco Intl

Fri 7/17

2:00 am-10:44 pm

2 stops21h 44m

$894

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Sun 7/12

7:43 am-11:23 pm

1 stop14h 40m

Port of Spain Piarco Intl

Fri 7/17

12:30 am-8:27 am

1 stop8h 57m

$995

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Sun 7/12

6:27 am-12:50 am

1 stop17h 23m

Port of Spain Piarco Intl

Fri 7/17

12:30 am-8:27 am

1 stop8h 57m

$1,000

San AntonioPort of Spain

SAT - POS

SATPOS

San Antonio

Sun 7/12

5:30 am-11:23 pm

1 stop16h 53m

Port of Spain Piarco Intl

Fri 7/17

2:00 am-10:44 pm

2 stops21h 44m

$1,004

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Port of Spain from

How to get the cheapest flight ticket from San Antonio to Port of Spain

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

Which airport is the most popular layover for flights between San Antonio and Port of Spain?

Percentage of 1-stop return trips between San Antonio and Port of Spain selected by momondo users, with the same layover airport each way, over the last 12 months.

Houston (IAH) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Antonio to Port of Spain?

Average price of 1-stop round-trip flights from San Antonio to Port of Spain, with the same layover airport on both legs, clicked by momondo users over the past 12 months.

Flights via Houston (IAH) offer the lowest average round-trip price of $646.

Which layover airport has the shortest travel time from San Antonio to Port of Spain?

Average total travel time for 1-stop one-way flights from San Antonio to Port of Spain, grouped by layover airport, based on momondo user clicks from the past 12 months.

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 8h 03m.

Which layover airport has the shortest connection time from San Antonio to Port of Spain?

Average connection time for 1-stop one-way flights from San Antonio to Port of Spain, grouped by layover airport, based on momondo user clicks over the last 12 months.

Miami (MIA) has the shortest average layover time for this route: 1h 53m.

When to book flights from San Antonio to Port of Spain

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Port of Spain according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Port of Spain (SAT to POS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Port of Spain

Fastest flight time

16h 35m

Direct flights

None
The fastest flight from San Antonio to Port of Spain takes 16h 35m
There are no direct flights from San Antonio to Port of Spain. There are no popular flight routes from San Antonio to Port of Spain.
Search flight deals

Frequently asked questions about flying from San Antonio to Port of Spain

  • How far is San Antonio to Port of Spain Piarco Intl by plane?

    The distance between San Antonio and Port of Spain Piarco Intl is about 2708.4 mi. A reasonable flight in good conditions will take 16h 35m.

  • When did momondo last update prices for flights from San Antonio Airport to Port of Spain Piarco Intl Airport?

    Prices for flights from San Antonio Airport to Port of Spain Piarco Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Port of Spain Piarco Intl Airport?

  • How old do you have to be to fly from San Antonio Airport to Port of Spain Piarco Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Port of Spain Piarco Intl Airport.

  • What documentation or ID do you need to fly to Port of Spain Piarco Intl Airport?

    The travel and health documents you'll need for your trip to Port of Spain Piarco Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Port of Spain Piarco Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Antonio to Port of Spain?

Best airlines flying from San Antonio to Port of Spain

Compare and see reviews for airlines that fly from San Antonio to Port of Spain with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $554Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights

Traveling to a place near Port of Spain?

Book flights to Port of Spain if you plan to visit one of these locations
Piarco

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Port of Spain?

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 Port of Spain for you.

Can I find flights from San Antonio to Port of Spain with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Port of Spain from San Antonio with this policy.

How can momondo help me find flights from San Antonio to Port of Spain?

momondo provides multiple filters to help you find the best flight to Port of Spain from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Port of Spain from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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