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Cheap flights from St. Louis to Trinidad and Tobago from $594

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 10/1. 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

Find the cheapest flights from St. Louis to Trinidad and Tobago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:10 pm - 12:15 am
STL
-
POS
35h 05m
2 stops
Air Canada Logo
1:20 am - 2:00 pm
POS
-
STL
13h 40m
1 stop
$594Air Canada
Thu, Oct 1 - Fri, Oct 16
Air Canada Logo
12:10 pm - 12:15 am
STL
-
POS
35h 05m
2 stops
Air Canada Logo
1:20 am - 6:41 pm
POS
-
STL
18h 21m
2 stops
$597Air Canada
Thu, Oct 1 - Fri, Oct 16
United Airlines Logo
6:15 am - 11:23 pm
STL
-
POS
16h 08m
1 stop
United Airlines Logo
12:30 am - 10:10 am
POS
-
STL
10h 40m
1 stop
$630United Airlines
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
5:00 am - 2:14 pm
STL
-
POS
8h 14m
1 stop
American Airlines Logo
3:06 pm - 8:46 am
POS
-
STL
18h 40m
2 stops
$634American Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
5:00 am - 2:14 pm
STL
-
POS
8h 14m
1 stop
American Airlines Logo
3:06 pm - 1:23 pm
POS
-
STL
23h 17m
1 stop
$643American Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
5:00 am - 2:01 pm
STL
-
POS
8h 01m
1 stop
American Airlines Logo
3:45 pm - 11:15 pm
POS
-
STL
8h 30m
1 stop
$650American Airlines
Thu, Oct 1 - Sat, Oct 17
American Airlines Logo
5:57 pm - 2:14 pm
STL
-
POS
19h 17m
2 stops
American Airlines Logo
3:15 pm - 10:14 am
POS
-
STL
19h 59m
2 stops
$654American Airlines
Mon, Aug 10 - Mon, Aug 17
American Airlines Logo
11:35 am - 2:14 pm
STL
-
POS
25h 39m
1 stop
American Airlines Logo
7:00 am - 10:40 pm
POS
-
STL
16h 40m
1 stop
$663American Airlines
Mon, Aug 10 - Mon, Aug 17
United Airlines Logo
6:14 am - 11:23 pm
STL
-
POS
16h 09m
1 stop
United Airlines Logo
12:30 am - 10:07 am
POS
-
STL
10h 37m
1 stop
$675United Airlines
Thu, Jul 16 - Mon, Jul 20
American Airlines Logo
6:00 am - 10:33 pm
STL
-
POS
15h 33m
2 stops
American Airlines Logo
7:00 am - 11:32 pm
POS
-
STL
17h 32m
2 stops
$679American Airlines
Thu, Jul 16 - Tue, Jul 21

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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
Sep 1
STL6:15 amLambert-St Louis
16h 08m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Sep 8
POS12:30 amPort of Spain Piarco Intl
10h 40m
1 stop
STL10:10 amLambert-St Louis
$630
United Airlines
Jul 16
STL6:14 amLambert-St Louis
16h 09m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Jul 20
POS12:30 amPort of Spain Piarco Intl
10h 37m
1 stop
STL10:07 amLambert-St Louis
$675
United Airlines
Jul 24
STL11:10 amLambert-St Louis
11h 13m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Jul 30
POS2:00 amPort of Spain Piarco Intl
14h 46m
2 stops
STL3:46 pmLambert-St Louis
$685

Air Canada flights from St. Louis to Trinidad and Tobago

Our best Air Canada deals on St. Louis to Trinidad and Tobago flight tickets
Air Canada
Oct 1
STL12:10 pmLambert-St Louis
35h 05m
2 stops
POS12:15 amPort of Spain Piarco Intl
Oct 16
POS1:20 amPort of Spain Piarco Intl
13h 40m
1 stop
STL2:00 pmLambert-St Louis
$594
Air Canada
Oct 1
STL12:10 pmLambert-St Louis
35h 05m
2 stops
POS12:15 amPort of Spain Piarco Intl
Oct 16
POS1:20 amPort of Spain Piarco Intl
18h 21m
2 stops
STL6:41 pmLambert-St Louis
$597

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 June 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

Thu 10/1

12:10 pm-12:15 am

2 stops35h 05m

Port of Spain Piarco Intl

Fri 10/16

1:20 am-2:00 pm

1 stop13h 40m

$594

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Thu 10/1

12:10 pm-12:15 am

2 stops35h 05m

Port of Spain Piarco Intl

Fri 10/16

1:20 am-6:41 pm

2 stops18h 21m

$597

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Tue 9/1

6:15 am-11:23 pm

1 stop16h 08m

Port of Spain Piarco Intl

Tue 9/8

12:30 am-10:10 am

1 stop10h 40m

$630

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Tue 9/1

5:00 am-2:14 pm

1 stop8h 14m

Port of Spain Piarco Intl

Wed 9/9

3:06 pm-8:46 am

2 stops18h 40m

$634

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Tue 9/1

5:00 am-2:14 pm

1 stop8h 14m

Port of Spain Piarco Intl

Wed 9/9

3:06 pm-1:23 pm

1 stop23h 17m

$643
Quickest round-trip

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Thu 10/1

5:00 am-2:01 pm

1 stop8h 01m

Port of Spain Piarco Intl

Sat 10/17

3:45 pm-11:15 pm

1 stop8h 30m

$650

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 8/10

5:57 pm-2:14 pm

2 stops19h 17m

Port of Spain Piarco Intl

Mon 8/17

3:15 pm-10:14 am

2 stops19h 59m

$654

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 8/10

11:35 am-2:14 pm

1 stop25h 39m

Port of Spain Piarco Intl

Mon 8/17

7:00 am-10:40 pm

1 stop16h 40m

$663

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Thu 7/16

6:14 am-11:23 pm

1 stop16h 09m

Port of Spain Piarco Intl

Mon 7/20

12:30 am-10:07 am

1 stop10h 37m

$675

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Thu 7/16

6:00 am-10:33 pm

2 stops15h 33m

Port of Spain Piarco Intl

Tue 7/21

7:00 am-11:32 pm

2 stops17h 32m

$679

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

13h 50m

Direct flights

None
The fastest flight from St. Louis to Trinidad and Tobago takes 13h 50m
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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Frequently asked questions about flying from St. Louis to Trinidad and Tobago

  • 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.

Frequently asked questions about flying from St. Louis to Trinidad and Tobago

  • 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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