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Cheap flights from St. Louis to Trinidad and Tobago from $579

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 12/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 12:23 amSTL-POS
16h 08m1 stop
United Airlines Logo
1:30 am - 10:04 amPOS-STL
10h 34m1 stop
$579United Airlines
Find Deal
Fri, Dec 5 - Thu, Dec 11
United Airlines Logo
10:00 am - 12:23 amSTL-POS
12h 23m2 stops
United Airlines Logo
1:30 am - 5:03 pmPOS-STL
17h 33m2 stops
$583United Airlines
Find Deal
Fri, Dec 5 - Thu, Dec 11
Multiple Airlines Logo
6:21 pm - 8:00 pmSTL-POS
23h 39m1 stop
Multiple Airlines Logo
10:10 am - 2:29 pmPOS-STL
30h 19m2 stops
$635Multiple Airlines
Find Deal
Sun, Nov 16 - Mon, Nov 24
American Airlines Logo
5:10 am - 11:59 pmSTL-POS
16h 49m1 stop
American Airlines Logo
7:10 am - 11:59 pmPOS-STL
18h 49m1 stop
$649American Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
United Airlines Logo
5:27 pm - 12:23 amSTL-POS
28h 56m3 stops
United Airlines Logo
1:30 am - 5:03 pmPOS-STL
17h 33m2 stops
$693United Airlines
Find Deal
Fri, Dec 5 - Thu, Dec 11
Multiple Airlines Logo
6:21 pm - 8:00 pmSTL-POS
23h 39m1 stop
Multiple Airlines Logo
12:10 am - 11:57 pmPOS-STL
25h 47m2 stops
$712Multiple Airlines
Find Deal
Sun, Nov 16 - Sat, Nov 22
United Airlines Logo
6:00 am - 12:23 amSTL-POS
16h 23m1 stop
United Airlines Logo
1:30 am - 9:22 amPOS-STL
9h 52m1 stop
$739United Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 10
United Airlines Logo
6:30 am - 1:05 amSTL-POS
16h 35m2 stops
United Airlines Logo
2:20 am - 4:03 pmPOS-STL
15h 43m2 stops
$743United Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 10
American Airlines Logo
5:15 am - 11:39 pmSTL-POS
16h 24m1 stop
American Airlines Logo
7:19 am - 10:34 pmPOS-STL
17h 15m1 stop
$824American Airlines
Find Deal
Sun, Nov 16 - Mon, Nov 24
Air Canada Logo
4:05 pm - 1:20 amSTL-POS
31h 15m1 stop
Air Canada Logo
2:20 am - 3:29 pmPOS-STL
15h 09m1 stop
$1,171Air Canada
Find Deal
Wed, Feb 11 - Tue, Feb 17

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
Dec 5
STL6:15 amLambert-St Louis
16h 08m
1 stop
POS12:23 amPort of Spain Piarco Intl
Dec 11
POS1:30 amPort of Spain Piarco Intl
10h 34m
1 stop
STL10:04 amLambert-St Louis
$579
Find similar
United Airlines
Dec 5
STL10:00 amLambert-St Louis
12h 23m
2 stops
POS12:23 amPort of Spain Piarco Intl
Dec 11
POS1:30 amPort of Spain Piarco Intl
17h 33m
2 stops
STL5:03 pmLambert-St Louis
$583
Find similar
United Airlines
Dec 5
STL5:27 pmLambert-St Louis
28h 56m
3 stops
POS12:23 amPort of Spain Piarco Intl
Dec 11
POS1:30 amPort of Spain Piarco Intl
17h 33m
2 stops
STL5:03 pmLambert-St Louis
$693
Find similar

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
Dec 5
STL5:10 amLambert-St Louis
16h 49m
1 stop
POS11:59 pmPort of Spain Piarco Intl
Dec 12
POS7:10 amPort of Spain Piarco Intl
18h 49m
1 stop
STL11:59 pmLambert-St Louis
$649
Find similar
American Airlines
Nov 16
STL5:15 amLambert-St Louis
16h 24m
1 stop
POS11:39 pmPort of Spain Piarco Intl
Nov 24
POS7:19 amPort of Spain Piarco Intl
17h 15m
1 stop
STL10:34 pmLambert-St Louis
$824
Find similar
American Airlines
Nov 16
STL5:17 amLambert-St Louis
16h 22m
2 stops
POS11:39 pmPort of Spain Piarco Intl
Nov 24
POS7:19 amPort of Spain Piarco Intl
17h 15m
1 stop
STL10:34 pmLambert-St Louis
$828
Find similar

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 November 6, 2025.
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

Fri 12/5

6:15 am-12:23 am

1 stop16h 08m

Port of Spain Piarco Intl

Thu 12/11

1:30 am-10:04 am

1 stop10h 34m

$579

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Fri 12/5

10:00 am-12:23 am

2 stops12h 23m

Port of Spain Piarco Intl

Thu 12/11

1:30 am-5:03 pm

2 stops17h 33m

$583

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 11/16

6:21 pm-8:00 pm

1 stop23h 39m

Port of Spain Piarco Intl

Mon 11/24

10:10 am-2:29 pm

2 stops30h 19m

$635

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Fri 12/5

5:10 am-11:59 pm

1 stop16h 49m

Port of Spain Piarco Intl

Fri 12/12

7:10 am-11:59 pm

1 stop18h 49m

$649

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Fri 12/5

5:27 pm-12:23 am

3 stops28h 56m

Port of Spain Piarco Intl

Thu 12/11

1:30 am-5:03 pm

2 stops17h 33m

$693

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 11/16

6:21 pm-8:00 pm

1 stop23h 39m

Port of Spain Piarco Intl

Sat 11/22

12:10 am-11:57 pm

2 stops25h 47m

$712

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 2/7

6:00 am-12:23 am

1 stop16h 23m

Port of Spain Piarco Intl

Tue 2/10

1:30 am-9:22 am

1 stop9h 52m

$739

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 2/7

6:30 am-1:05 am

2 stops16h 35m

Port of Spain Piarco Intl

Tue 2/10

2:20 am-4:03 pm

2 stops15h 43m

$743

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 11/16

5:15 am-11:39 pm

1 stop16h 24m

Port of Spain Piarco Intl

Mon 11/24

7:19 am-10:34 pm

1 stop17h 15m

$824

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

4:05 pm-1:20 am

1 stop31h 15m

Port of Spain Piarco Intl

Tue 2/17

2:20 am-3:29 pm

1 stop15h 09m

$1,171

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 day to depart on your flight to Trinidad and Tobago?

On average, the least expensive day to fly to Trinidad and Tobago from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $662. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Trinidad and Tobago is Friday, with ticket prices averaging around $861.

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

Direct flights

None
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 many operators does momondo search for flights from Lambert-St Louis Airport to Trinidad and Tobago?

  • 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.

Best airlines flying from St. Louis to Trinidad and Tobago

Compare and see reviews for airlines that fly from St. Louis to Trinidad and Tobago with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $558Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

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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Find better results for your trip to Trinidad and Tobago

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