Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Trinidad and Tobago from $503

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 2/21. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
4:05 pm - 1:20 am
STL
-
POS
31h 15m1 stop
Air Canada Logo
2:20 am - 3:29 pm
POS
-
STL
15h 09m1 stop
$503Air Canada
Sat, Feb 21 - Fri, Feb 27
American Airlines Logo
1:36 pm - 3:39 pm
STL
-
POS
24h 03m2 stops
American Airlines Logo
4:40 pm - 3:01 pm
POS
-
STL
24h 21m2 stops
$653American Airlines
Sat, Feb 21 - Sat, Feb 28
American Airlines Logo
6:56 pm - 3:39 pm
STL
-
POS
18h 43m2 stops
American Airlines Logo
4:40 pm - 10:26 am
POS
-
STL
19h 46m1 stop
$667American Airlines
Sat, Feb 21 - Sat, Feb 28
United Airlines Logo
6:00 am - 12:23 am
STL
-
POS
16h 23m1 stop
United Airlines Logo
1:30 am - 9:23 am
POS
-
STL
9h 53m1 stop
$1,435United Airlines
Wed, Feb 11 - Tue, Feb 17
United Airlines Logo
6:00 am - 12:23 am
STL
-
POS
16h 23m1 stop
United Airlines Logo
2:20 am - 10:58 am
POS
-
STL
10h 38m1 stop
$1,669United Airlines
Wed, Feb 11 - Tue, Feb 17
American Airlines Logo
6:02 pm - 4:58 pm
STL
-
POS
20h 56m1 stop
American Airlines Logo
4:40 pm - 10:59 am
POS
-
STL
20h 19m2 stops
$1,780American Airlines
Wed, Feb 11 - Wed, Feb 18
American Airlines Logo
5:04 pm - 3:39 pm
STL
-
POS
20h 35m2 stops
American Airlines Logo
4:40 pm - 10:59 am
POS
-
STL
20h 19m2 stops
$1,816American Airlines
Wed, Feb 11 - Wed, Feb 18
American Airlines Logo
6:02 pm - 4:58 pm
STL
-
POS
20h 56m1 stop
American Airlines Logo
4:40 pm - 10:59 am
POS
-
STL
20h 19m2 stops
$1,938American Airlines
Wed, Feb 11 - Wed, Feb 18
American Airlines Logo
3:54 pm - 3:39 pm
STL
-
POS
21h 45m2 stops
American Airlines Logo
4:40 pm - 12:29 pm
POS
-
STL
21h 49m2 stops
$1,974American Airlines
Wed, Feb 11 - Wed, Feb 18

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
Feb 21
STL1:36 pmLambert-St Louis
24h 03m
2 stops
POS3:39 pmPort of Spain Piarco Intl
Feb 28
POS4:40 pmPort of Spain Piarco Intl
24h 21m
2 stops
STL3:01 pmLambert-St Louis
$653
Find similar
American Airlines
Feb 21
STL6:56 pmLambert-St Louis
18h 43m
2 stops
POS3:39 pmPort of Spain Piarco Intl
Feb 28
POS4:40 pmPort of Spain Piarco Intl
19h 46m
1 stop
STL10:26 amLambert-St Louis
$667
Find similar
American Airlines
Feb 11
STL6:02 pmLambert-St Louis
20h 56m
1 stop
POS4:58 pmPort of Spain Piarco Intl
Feb 18
POS4:40 pmPort of Spain Piarco Intl
20h 19m
2 stops
STL10:59 amLambert-St Louis
$1,780
Find similar

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
Feb 11
STL6:00 amLambert-St Louis
16h 23m
1 stop
POS12:23 amPort of Spain Piarco Intl
Feb 17
POS1:30 amPort of Spain Piarco Intl
9h 53m
1 stop
STL9:23 amLambert-St Louis
$1,435
Find similar
United Airlines
Feb 11
STL6:00 amLambert-St Louis
16h 23m
1 stop
POS12:23 amPort of Spain Piarco Intl
Feb 17
POS2:20 amPort of Spain Piarco Intl
10h 38m
1 stop
STL10:58 amLambert-St Louis
$1,669
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 December 21, 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

Sat 2/21

4:05 pm-1:20 am

1 stop31h 15m

Port of Spain Piarco Intl

Fri 2/27

2:20 am-3:29 pm

1 stop15h 09m

$503

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 2/21

1:36 pm-3:39 pm

2 stops24h 03m

Port of Spain Piarco Intl

Sat 2/28

4:40 pm-3:01 pm

2 stops24h 21m

$653

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 2/21

6:56 pm-3:39 pm

2 stops18h 43m

Port of Spain Piarco Intl

Sat 2/28

4:40 pm-10:26 am

1 stop19h 46m

$667

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

6:00 am-12:23 am

1 stop16h 23m

Port of Spain Piarco Intl

Tue 2/17

1:30 am-9:23 am

1 stop9h 53m

$1,435

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

6:00 am-12:23 am

1 stop16h 23m

Port of Spain Piarco Intl

Tue 2/17

2:20 am-10:58 am

1 stop10h 38m

$1,669

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

6:02 pm-4:58 pm

1 stop20h 56m

Port of Spain Piarco Intl

Wed 2/18

4:40 pm-10:59 am

2 stops20h 19m

$1,780

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

5:04 pm-3:39 pm

2 stops20h 35m

Port of Spain Piarco Intl

Wed 2/18

4:40 pm-10:59 am

2 stops20h 19m

$1,816

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

6:02 pm-4:58 pm

1 stop20h 56m

Port of Spain Piarco Intl

Wed 2/18

4:40 pm-10:59 am

2 stops20h 19m

$1,938

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

3:54 pm-3:39 pm

2 stops21h 45m

Port of Spain Piarco Intl

Wed 2/18

4:40 pm-12:29 pm

2 stops21h 49m

$1,974

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

Fastest flight time

15h 56m

Direct flights

None
The fastest flight from St. Louis to Trinidad and Tobago takes 15h 56m
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 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
11,050 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.

An easier way to manage your Trinidad and Tobago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 1/20
Tue 1/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Trinidad and Tobago

Popular cities in Trinidad and Tobago

Popular flights according to clicks in the last 7 days on momondo
Flights to Port of Spainfrom $241
Flights to Scarborough, Eastern Tobagofrom $354