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Cheap flights from St. Louis to Trinidad and Tobago from $661

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 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
American Airlines Logo
6:54 pm - 2:32 pm
STL
-
POS
18h 38m
2 stops
American Airlines Logo
3:47 pm - 8:27 am
POS
-
STL
17h 40m
2 stops
$661American Airlines
Fri, May 8 - Fri, May 15
American Airlines Logo
5:24 am - 2:32 pm
STL
-
POS
8h 08m
1 stop
American Airlines Logo
3:47 pm - 8:30 am
POS
-
STL
17h 43m
2 stops
$732American Airlines
Fri, May 8 - Fri, May 15
United Airlines Logo
6:00 am - 11:23 pm
STL
-
POS
16h 23m
1 stop
United Airlines Logo
12:30 am - 9:30 am
POS
-
STL
10h 00m
1 stop
$880United Airlines
Mon, May 4 - Tue, May 5
United Airlines Logo
7:45 am - 11:23 pm
STL
-
POS
14h 38m
2 stops
United Airlines Logo
12:30 am - 10:45 pm
POS
-
STL
23h 15m
2 stops
$884United Airlines
Mon, May 4 - Tue, May 5
Multiple Airlines Logo
2:15 pm - 12:15 am
STL
-
POS
9h 00m
1 stop
Multiple Airlines Logo
2:55 pm - 12:06 pm
POS
-
STL
22h 11m
1 stop
$1,027Multiple Airlines
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
1:05 pm - 4:40 am
STL
-
POS
14h 35m
2 stops
Multiple Airlines Logo
10:00 pm - 10:45 pm
POS
-
STL
25h 45m
3 stops
$1,660Multiple Airlines
Fri, May 8 - Fri, May 15

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
May 4
STL6:00 amLambert-St Louis
16h 23m
1 stop
POS11:23 pmPort of Spain Piarco Intl
May 5
POS12:30 amPort of Spain Piarco Intl
10h 00m
1 stop
STL9:30 amLambert-St Louis
$880
United Airlines
May 4
STL7:45 amLambert-St Louis
14h 38m
2 stops
POS11:23 pmPort of Spain Piarco Intl
May 5
POS12:30 amPort of Spain Piarco Intl
23h 15m
2 stops
STL10:45 pmLambert-St Louis
$884

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
May 8
STL6:54 pmLambert-St Louis
18h 38m
2 stops
POS2:32 pmPort of Spain Piarco Intl
May 15
POS3:47 pmPort of Spain Piarco Intl
17h 40m
2 stops
STL8:27 amLambert-St Louis
$661
American Airlines
May 8
STL5:24 amLambert-St Louis
8h 08m
1 stop
POS2:32 pmPort of Spain Piarco Intl
May 15
POS3:47 pmPort of Spain Piarco Intl
17h 43m
2 stops
STL8:30 amLambert-St Louis
$732

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 March 27, 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

Cheapest round-trip

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Fri 5/8

6:54 pm-2:32 pm

2 stops18h 38m

Port of Spain Piarco Intl

Fri 5/15

3:47 pm-8:27 am

2 stops17h 40m

$661
Quickest round-trip

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Fri 5/8

5:24 am-2:32 pm

1 stop8h 08m

Port of Spain Piarco Intl

Fri 5/15

3:47 pm-8:30 am

2 stops17h 43m

$732

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 5/4

6:00 am-11:23 pm

1 stop16h 23m

Port of Spain Piarco Intl

Tue 5/5

12:30 am-9:30 am

1 stop10h 00m

$880

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 5/4

7:45 am-11:23 pm

2 stops14h 38m

Port of Spain Piarco Intl

Tue 5/5

12:30 am-10:45 pm

2 stops23h 15m

$884

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Fri 5/8

2:15 pm-12:15 am

1 stop9h 00m

Port of Spain Piarco Intl

Fri 5/15

2:55 pm-12:06 pm

1 stop22h 11m

$1,027

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Fri 5/8

1:05 pm-4:40 am

2 stops14h 35m

Port of Spain Piarco Intl

Fri 5/15

10:00 pm-10:45 pm

3 stops25h 45m

$1,660

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

41h 57m

Direct flights

None
The fastest flight from St. Louis to Trinidad and Tobago takes 41h 57m
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.
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  • 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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Sun 4/26
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