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Cheap flights from St. Louis to Trinidad and Tobago from $322

This is the cheapest one-way 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 6/27. 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
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.
United Airlines Logo
9:15 am - 12:50 am
STL
-
POS
14h 35m
2 stops
United Airlines Logo
12:30 am - 10:07 am
POS
-
STL
10h 37m
1 stop
$630United Airlines
Wed, Jul 1 - Tue, Jul 14
United Airlines Logo
12:23 pm - 12:50 am
STL
-
POS
11h 27m
1 stop
United Airlines Logo
12:30 am - 10:07 am
POS
-
STL
10h 37m
1 stop
$670United Airlines
Wed, Jul 1 - Tue, Jul 14
American Airlines Logo
7:04 am - 11:00 pm
STL
-
POS
14h 56m
2 stops
American Airlines Logo
7:00 am - 11:32 pm
POS
-
STL
17h 32m
2 stops
$709American Airlines
Wed, Jul 1 - Wed, Jul 15

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 31
STL4:15 pmLambert-St Louis
32h 05m
1 stop
POS1:20 amPort of Spain Piarco Intl
Nov 3
POS2:20 amPort of Spain Piarco Intl
15h 10m
1 stop
STL3:30 pmLambert-St Louis
$636
Air Canada
Oct 31
STL4:15 pmLambert-St Louis
32h 05m
1 stop
POS1:20 amPort of Spain Piarco Intl
Nov 3
POS2:20 amPort of Spain Piarco Intl
15h 10m
1 stop
STL3:30 pmLambert-St Louis
$654

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
Jul 1
STL9:15 amLambert-St Louis
14h 35m
2 stops
POS12:50 amPort of Spain Piarco Intl
Jul 14
POS12:30 amPort of Spain Piarco Intl
10h 37m
1 stop
STL10:07 amLambert-St Louis
$630
United Airlines
Jul 1
STL12:23 pmLambert-St Louis
11h 27m
1 stop
POS12:50 amPort of Spain Piarco Intl
Jul 14
POS12:30 amPort of Spain Piarco Intl
10h 37m
1 stop
STL10:07 amLambert-St Louis
$670
United Airlines
Oct 31
STL8:00 amLambert-St Louis
15h 25m
2 stops
POS12:25 amPort of Spain Piarco Intl
Nov 3
POS1:30 amPort of Spain Piarco Intl
14h 48m
2 stops
STL2:18 pmLambert-St Louis
$774

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 May 13, 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

Wed 7/1

9:15 am-12:50 am

2 stops14h 35m

Port of Spain Piarco Intl

Tue 7/14

12:30 am-10:07 am

1 stop10h 37m

$630
Quickest round-trip

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 7/1

12:23 pm-12:50 am

1 stop11h 27m

Port of Spain Piarco Intl

Tue 7/14

12:30 am-10:07 am

1 stop10h 37m

$670

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 7/1

7:04 am-11:00 pm

2 stops14h 56m

Port of Spain Piarco Intl

Wed 7/15

7:00 am-11:32 pm

2 stops17h 32m

$709
Cheapest one-way

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 6/27

1:20 pm-12:15 am

2 stops33h 55m

$322

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 6/27

6:01 am-12:50 am

1 stop17h 49m

$368
Quickest one-way

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 6/27

7:20 am-1:25 am

3 stops17h 05m

$1,200

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Trinidad and Tobago from

How to get the cheapest flight ticket from St. Louis to Trinidad and Tobago

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 airline that flies from Lambert-St Louis to Trinidad and Tobago?

Air Canada and United Airlines are the most popular carriers operating from Lambert-St Louis to Trinidad and Tobago

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

25h 25m

Direct flights

None
The fastest flight from St. Louis to Trinidad and Tobago takes 25h 25m
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.

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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1 adult
Fri 6/12
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