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Cheap flights from Trinidad and Tobago to St. Louis from $613

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Trinidad and Tobago to St. Louis departing on 1/15. 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 Trinidad and Tobago to St. Louis

Recent round-trip flight deals from Trinidad and Tobago to St. Louis

Enter your travel dates to find the best prices.
American Airlines Logo
4:30 pm - 11:59 pm
POS
-
STL
9h 29m1 stop
American Airlines Logo
10:53 am - 9:25 pm
STL
-
POS
9h 32m1 stop
$613American Airlines
Thu, Jan 15 - Thu, May 28
American Airlines Logo
4:30 pm - 11:59 pm
POS
-
STL
9h 29m1 stop
American Airlines Logo
6:28 am - 9:25 pm
STL
-
POS
13h 57m2 stops
$617American Airlines
Thu, Jan 15 - Thu, May 28

American Airlines flights from Trinidad and Tobago to St. Louis

Our best American Airlines deals on Trinidad and Tobago to St. Louis flight tickets
American Airlines
Jan 15
POS4:30 pmPort of Spain Piarco Intl
9h 29m
1 stop
STL11:59 pmLambert-St Louis
May 28
STL5:25 amLambert-St Louis
15h 00m
1 stop
POS9:25 pmPort of Spain Piarco Intl
$613
Find similar
American Airlines
Jan 15
POS6:30 amPort of Spain Piarco Intl
18h 42m
2 stops
STL11:12 pmLambert-St Louis
May 28
STL7:42 amLambert-St Louis
12h 43m
2 stops
POS9:25 pmPort of Spain Piarco Intl
$617
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Trinidad and Tobago to St. Louis 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 18, 2025.
Use the filters below to find and compare flights from Trinidad and Tobago to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 1/15

4:30 pm-11:59 pm

1 stop9h 29m

Lambert-St Louis

Thu 5/28

10:53 am-9:25 pm

1 stop9h 32m

$613

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 1/15

4:30 pm-11:59 pm

1 stop9h 29m

Lambert-St Louis

Thu 5/28

6:28 am-9:25 pm

2 stops13h 57m

$617

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

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

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 St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $556. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $782. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Trinidad and Tobago in the morning is the least expensive time of day to depart. momondo users have found prices as low as $680 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $713 per ticket.

Can stopping save me money on Trinidad and Tobago to St. Louis flights?

You could potentially save up to 1% on your flight if you consider stops on a Trinidad and Tobago to St. Louis flight.

Cheap Trinidad and Tobago to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trinidad and Tobago to St. Louis

Fastest flight time

14h 23m

Direct flights

None
The fastest flight from Trinidad and Tobago to St. Louis takes 14h 23m
There are no direct flights from Trinidad and Tobago to St. Louis. There are no popular flight routes from Trinidad and Tobago to St. Louis.
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  • When did momondo last update prices for flights from Trinidad and Tobago to Lambert-St Louis Airport?

    Prices for flights from Trinidad and Tobago to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from Trinidad and Tobago to Lambert-St Louis Airport?

  • How old do you have to be to fly from Trinidad and Tobago to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trinidad and Tobago to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Trinidad and Tobago to St. Louis

Compare and see reviews for airlines that fly from Trinidad and Tobago to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $612Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Clayton
Festus
Glencoe
Farmington
Eureka
Edwardsville
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Trinidad and Tobago to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Trinidad and Tobago to St. Louis for you.

Can I find flights from Trinidad and Tobago to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Trinidad and Tobago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Trinidad and Tobago to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Trinidad and Tobago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Trinidad and Tobago to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Trinidad and Tobago to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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