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Cheap flights from St. Louis to Trinidad and Tobago from $580

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Trinidad and Tobago departing on 3/10. 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 St. Louis to Trinidad and Tobago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:05 am - 11:23 pm
STL
-
POS
12h 18m
1 stop
United Airlines Logo
12:30 am - 4:05 pm
POS
-
STL
16h 35m
1 stop
$580United Airlines
Tue, Mar 10 - Mon, Mar 16
United Airlines Logo
6:25 am - 11:23 pm
STL
-
POS
15h 58m
2 stops
United Airlines Logo
12:30 am - 9:21 am
POS
-
STL
9h 51m
1 stop
$584United Airlines
Tue, Mar 10 - Mon, Mar 16
United Airlines Logo
9:10 am - 11:23 pm
STL
-
POS
13h 13m
2 stops
United Airlines Logo
12:30 am - 10:28 pm
POS
-
STL
22h 58m
1 stop
$589United Airlines
Mon, Mar 30 - Mon, Apr 6
United Airlines Logo
6:00 am - 11:23 pm
STL
-
POS
16h 23m
1 stop
United Airlines Logo
12:30 am - 9:25 am
POS
-
STL
9h 55m
1 stop
$611United Airlines
Mon, Mar 30 - Mon, Apr 6
American Airlines Logo
3:33 pm - 2:10 pm
STL
-
POS
21h 37m
2 stops
American Airlines Logo
3:47 pm - 8:30 am
POS
-
STL
17h 43m
2 stops
$659American Airlines
Mon, Mar 30 - Tue, Apr 7
Air Canada Logo
4:05 pm - 12:20 am
STL
-
POS
31h 15m
1 stop
Air Canada Logo
1:20 am - 3:29 pm
POS
-
STL
15h 09m
1 stop
$688Air Canada
Mon, Mar 23 - Thu, Mar 26
Air Canada Logo
4:05 pm - 12:20 am
STL
-
POS
31h 15m
1 stop
Air Canada Logo
1:20 am - 9:05 pm
POS
-
STL
44h 45m
2 stops
$801Air Canada
Mon, Mar 23 - Thu, Mar 26
United Airlines Logo
7:00 pm - 11:23 pm
STL
-
POS
27h 23m
2 stops
United Airlines Logo
12:30 am - 2:43 pm
POS
-
STL
15h 13m
2 stops
$814United Airlines
Mon, Mar 23 - Thu, Mar 26
Multiple Airlines Logo
8:17 am - 4:40 am
STL
-
POS
19h 23m
2 stops
Multiple Airlines Logo
9:40 am - 12:27 pm
POS
-
STL
27h 47m
3 stops
$1,467Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
6:30 am - 1:25 am
STL
-
POS
17h 55m
3 stops
Multiple Airlines Logo
9:40 am - 3:24 pm
POS
-
STL
30h 44m
2 stops
$2,078Multiple Airlines
Mon, Mar 30 - Tue, Apr 7

United Airlines flights from St. Louis to Trinidad and Tobago

Our best United Airlines deals on St. Louis to Trinidad and Tobago flight tickets
United Airlines
Mar 10
STL10:05 amLambert-St Louis
12h 18m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Mar 16
POS12:30 amPort of Spain Piarco Intl
16h 35m
1 stop
STL4:05 pmLambert-St Louis
$580
United Airlines
Mar 10
STL6:25 amLambert-St Louis
15h 58m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Mar 16
POS12:30 amPort of Spain Piarco Intl
9h 51m
1 stop
STL9:21 amLambert-St Louis
$584
United Airlines
Mar 30
STL9:10 amLambert-St Louis
13h 13m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Apr 6
POS12:30 amPort of Spain Piarco Intl
22h 58m
1 stop
STL10:28 pmLambert-St Louis
$589

American Airlines flights from St. Louis to Trinidad and Tobago

Our best American Airlines deals on St. Louis to Trinidad and Tobago flight tickets
American Airlines
Mar 30
STL3:33 pmLambert-St Louis
21h 37m
2 stops
POS2:10 pmPort of Spain Piarco Intl
Apr 7
POS3:47 pmPort of Spain Piarco Intl
17h 43m
2 stops
STL8:30 amLambert-St Louis
$659
American Airlines
Feb 11
STL3:54 pmLambert-St Louis
21h 12m
2 stops
POS3:06 pmPort of Spain Piarco Intl
Feb 18
POS4:06 pmPort of Spain Piarco Intl
9h 50m
1 stop
STL11:56 pmLambert-St Louis
$2,070
American Airlines
Feb 11
STL6:02 pmLambert-St Louis
19h 04m
1 stop
POS3:06 pmPort of Spain Piarco Intl
Feb 18
POS4:06 pmPort of Spain Piarco Intl
18h 49m
2 stops
STL8:55 amLambert-St Louis
$2,111

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Trinidad and Tobago 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 February 9, 2026.
Use the filters below to find and compare flights from St. Louis to Trinidad and Tobago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Tue 3/10

10:05 am-11:23 pm

1 stop12h 18m

Port of Spain Piarco Intl

Mon 3/16

12:30 am-4:05 pm

1 stop16h 35m

$580

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Tue 3/10

6:25 am-11:23 pm

2 stops15h 58m

Port of Spain Piarco Intl

Mon 3/16

12:30 am-9:21 am

1 stop9h 51m

$584

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/30

9:10 am-11:23 pm

2 stops13h 13m

Port of Spain Piarco Intl

Mon 4/6

12:30 am-10:28 pm

1 stop22h 58m

$589

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/30

6:00 am-11:23 pm

1 stop16h 23m

Port of Spain Piarco Intl

Mon 4/6

12:30 am-9:25 am

1 stop9h 55m

$611

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/30

3:33 pm-2:10 pm

2 stops21h 37m

Port of Spain Piarco Intl

Tue 4/7

3:47 pm-8:30 am

2 stops17h 43m

$659

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/23

4:05 pm-12:20 am

1 stop31h 15m

Port of Spain Piarco Intl

Thu 3/26

1:20 am-3:29 pm

1 stop15h 09m

$688

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/23

4:05 pm-12:20 am

1 stop31h 15m

Port of Spain Piarco Intl

Thu 3/26

1:20 am-9:05 pm

2 stops44h 45m

$801

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/23

7:00 pm-11:23 pm

2 stops27h 23m

Port of Spain Piarco Intl

Thu 3/26

12:30 am-2:43 pm

2 stops15h 13m

$814

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Tue 3/10

8:17 am-4:40 am

2 stops19h 23m

Port of Spain Piarco Intl

Tue 3/17

9:40 am-12:27 pm

3 stops27h 47m

$1,467

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/30

6:30 am-1:25 am

3 stops17h 55m

Port of Spain Piarco Intl

Tue 4/7

9:40 am-3:24 pm

2 stops30h 44m

$2,078

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap St. Louis to Trinidad and Tobago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Trinidad and Tobago

Fastest flight time

19h 04m

Direct flights

None
The fastest flight from St. Louis to Trinidad and Tobago takes 19h 04m
There are no direct flights from St. Louis to Trinidad and Tobago. There are no popular flight routes from St. Louis to Trinidad and Tobago.
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Trinidad and Tobago?

    Prices for flights from Lambert-St Louis Airport to Trinidad and Tobago were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to Trinidad and Tobago?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Trinidad and Tobago.

  • What documentation or ID do you need to fly to Trinidad and Tobago?

    The travel and health documents you'll need for your trip to Trinidad and Tobago 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 Trinidad and Tobago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from St. Louis to Trinidad and Tobago?

    Search flight deals from St. Louis to Trinidad and Tobago. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from St. Louis to Trinidad and Tobago with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Trinidad and Tobago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Trinidad and Tobago from St. Louis.

Can I find flights from St. Louis to Trinidad and Tobago with flexible booking policies on momondo?

Yes. All flights to Trinidad and Tobago from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Trinidad and Tobago?

Once you have performed a search for St. Louis to Trinidad and Tobago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Trinidad and Tobago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Trinidad and Tobago 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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