When did momondo last update prices for flights from Trinidad to Lambert-St Louis Airport?

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

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

As of July 2025, there is 1 operator available to choose from for flights from Trinidad to Lambert-St Louis Airport.

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

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 Trinidad to Lambert-St Louis Airport.

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

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$612 Cheap Flights from Trinidad to St. Louis in 2025

1 adult

0 bags

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Find the cheapest flights from Trinidad to St. Louis

Round-trip

One-way

Cheap round-trip flights

3:25 pm - 11:56 pmPOS-STL

9h 31m1 stop

5:23 am - 9:20 pmSTL-POS

14h 57m1 stop

$612American Airlines

Find Deal

mié., oct. 8 - mié., oct. 15

7:00 am - 8:53 pmPOS-STL

14h 53m2 stops

5:23 am - 9:20 pmSTL-POS

14h 57m1 stop

$617American Airlines

Find Deal

mié., oct. 8 - mié., oct. 15

12:30 am - 3:44 pmPOS-STL

16h 14m2 stops

3:23 pm - 11:23 pmSTL-POS

31h 00m2 stops

$620United Airlines

Find Deal

mar., oct. 7 - mié., oct. 15

12:30 am - 9:52 amPOS-STL

10h 22m1 stop

6:15 am - 11:23 pmSTL-POS

16h 08m1 stop

$657United Airlines

Find Deal

mar., oct. 7 - mié., oct. 15

11:10 am - 2:39 pmPOS-STL

28h 29m2 stops

9:15 am - 1:20 amSTL-POS

15h 05m1 stop

$699

Find Deal

vie., ago. 1 - dom., ago. 10

11:10 am - 2:39 pmPOS-STL

28h 29m2 stops

5:15 pm - 6:55 pmSTL-POS

24h 40m3 stops

$732

Find Deal

vie., ago. 1 - dom., ago. 10

11:10 am - 2:39 pmPOS-STL

28h 29m3 stops

5:15 pm - 6:55 pmSTL-POS

24h 40m3 stops

$770

Find Deal

vie., ago. 1 - dom., ago. 10

8:30 am - 9:40 amPOS-STL

26h 10m1 stop

5:26 pm - 8:00 pmSTL-POS

25h 34m1 stop

$958

Find Deal

vie., ago. 1 - dom., ago. 10

12:30 am - 10:45 pmPOS-STL

23h 15m2 stops

5:00 am - 11:23 pmSTL-POS

17h 23m2 stops

$1,113United Airlines

Find Deal

jue., jul. 31 - dom., ago. 10

12:30 am - 9:28 amPOS-STL

9h 58m1 stop

6:15 am - 11:23 pmSTL-POS

16h 08m1 stop

$1,479United Airlines

Find Deal

jue., jul. 31 - dom., ago. 10

American Airlines flights from Trinidad to St. Louis

Our best American Airlines deals on Trinidad to St. Louis flight tickets

American Airlines

Oct 8

POS3:25 pmPort of Spain Piarco Intl

9h 31m

1 stop

STL11:56 pmLambert-St Louis

Oct 15

STL5:23 amLambert-St Louis

14h 57m

1 stop

POS9:20 pmPort of Spain Piarco Intl

$612

Find similar

American Airlines

Oct 8

POS7:00 amPort of Spain Piarco Intl

14h 53m

2 stops

STL8:53 pmLambert-St Louis

Oct 15

STL5:23 amLambert-St Louis

14h 57m

1 stop

POS9:20 pmPort of Spain Piarco Intl

$617

Find similar

United Airlines flights from Trinidad to St. Louis

Our best United Airlines deals on Trinidad to St. Louis flight tickets

United Airlines

Oct 7

POS12:30 amPort of Spain Piarco Intl

16h 14m

2 stops

STL3:44 pmLambert-St Louis

Oct 15

STL3:23 pmLambert-St Louis

31h 00m

2 stops

POS11:23 pmPort of Spain Piarco Intl

$620

Find similar

United Airlines

Oct 7

POS12:30 amPort of Spain Piarco Intl

10h 22m

1 stop

STL9:52 amLambert-St Louis

Oct 15

STL6:15 amLambert-St Louis

16h 08m

1 stop

POS11:23 pmPort of Spain Piarco Intl

$657

Find similar

United Airlines

Jul 31

POS12:30 amPort of Spain Piarco Intl

23h 15m

2 stops

STL10:45 pmLambert-St Louis

Aug 10

STL5:00 amLambert-St Louis

17h 23m

2 stops

POS11:23 pmPort of Spain Piarco Intl

$1,113

Find similar

How to get the cheapest flight ticket from Trinidad 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 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 to St. Louis flights?

No. A direct flight is the cheapest option for a flight between Trinidad to St. Louis.

Cheap Trinidad to St. Louis flight deals and tips

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

Best Price Found	$612
Fastest flight time	9h 31m
Direct flights	None
Airports in St. Louis	1 airport

The best flight deal from Trinidad to St. Louis found on momondo in the last 72 hours is $612

The fastest flight from Trinidad to St. Louis takes 9h 31m

There are no direct flights from Trinidad to St. Louis. Popular non-direct route for this connection is Port of Spain Piarco Intl Airport - Lambert-St Louis Airport.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Trinidad to Lambert-St Louis Airport?
Prices for flights from Trinidad to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Trinidad to Lambert-St Louis Airport?
As of July 2025, there is 1 operator available to choose from for flights from Trinidad to Lambert-St Louis Airport.
How old do you have to be to fly from Trinidad to Lambert-St Louis Airport?
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 Trinidad to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Trinidad to St. Louis?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Trinidad to St. Louis is Boeing 737-800 Passenger/BBJ2 (winglets) (16.67% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (14.04%), Boeing 737 MAX 8 (12.68%), and Embraer 175 (11.05%).

Best airlines flying from Trinidad to St. Louis

Compare and see reviews for airlines that fly from Trinidad to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $579	Free Cancellation	Rating 7.4 8,864 reviews		Search United Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Collinsville

Fenton

O'Fallon

Farmington

Alton

St. Peters

Wentzville

Festus

Glencoe

Clayton

Edwardsville

Eureka

Shrewsbury

Grafton

Why use momondo?

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

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 St. Louis from Trinidad.

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

Yes. momondo allows you to filter the results for Trinidad to St. Louis flights to just show those with flexible booking policies.

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

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

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

Price alerts on flights to St. Louis from Trinidad are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.