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Cheap flights from Trinidad and Tobago to St. Louis from $635

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 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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

American Airlines Logo
3:25 pm - 11:56 pmPOS-STL
9h 31m1 stop
American Airlines Logo
5:23 am - 2:25 pmSTL-POS
8h 02m1 stop
$635American Airlines
Find Deal
Sat, Oct 25 - Fri, Oct 31
United Airlines Logo
1:30 am - 9:23 amPOS-STL
9h 53m1 stop
United Airlines Logo
10:10 am - 12:23 amSTL-POS
12h 13m1 stop
$637United Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
American Airlines Logo
3:25 pm - 9:20 amPOS-STL
18h 55m2 stops
American Airlines Logo
5:23 am - 2:25 pmSTL-POS
8h 02m1 stop
$639American Airlines
Find Deal
Sat, Oct 25 - Fri, Oct 31
United Airlines Logo
1:30 am - 9:23 amPOS-STL
9h 53m1 stop
United Airlines Logo
7:41 am - 1:05 amSTL-POS
15h 24m2 stops
$641United Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
United Airlines Logo
1:30 am - 9:00 pmPOS-STL
21h 30m2 stops
United Airlines Logo
8:21 am - 12:23 amSTL-POS
14h 02m2 stops
$642United Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
American Airlines Logo
7:00 am - 5:28 pmPOS-STL
11h 28m1 stop
American Airlines Logo
6:00 am - 9:20 pmSTL-POS
14h 20m2 stops
$645American Airlines
Find Deal
Thu, Oct 16 - Fri, Oct 24
United Airlines Logo
12:30 am - 12:28 pmPOS-STL
12h 58m2 stops
United Airlines Logo
5:24 pm - 12:25 amSTL-POS
30h 01m2 stops
$656United Airlines
Find Deal
Fri, Oct 24 - Fri, Oct 31
United Airlines Logo
12:30 am - 9:52 amPOS-STL
10h 22m1 stop
United Airlines Logo
12:25 pm - 11:23 pmSTL-POS
33h 58m2 stops
$662United Airlines
Find Deal
Wed, Oct 15 - Fri, Oct 24
American Airlines Logo
3:25 pm - 11:56 pmPOS-STL
9h 31m1 stop
American Airlines Logo
5:23 am - 9:20 pmSTL-POS
14h 57m1 stop
$669American Airlines
Find Deal
Thu, Oct 16 - Fri, Oct 24
Multiple Airlines Logo
2:25 am - 10:02 amPOS-STL
32h 37m3 stops
Multiple Airlines Logo
4:05 pm - 6:20 pmSTL-POS
25h 15m2 stops
$867Multiple Airlines
Find Deal
Fri, Oct 24 - Fri, Oct 31

United Airlines flights from Trinidad and Tobago to St. Louis

Our best United Airlines deals on Trinidad and Tobago to St. Louis flight tickets
United Airlines
Feb 28
POS1:30 amPort of Spain Piarco Intl
9h 53m
1 stop
STL9:23 amLambert-St Louis
Mar 3
STL10:10 amLambert-St Louis
12h 13m
1 stop
POS12:23 amPort of Spain Piarco Intl
$637
Find similar
United Airlines
Feb 28
POS1:30 amPort of Spain Piarco Intl
9h 53m
1 stop
STL9:23 amLambert-St Louis
Mar 3
STL7:41 amLambert-St Louis
15h 24m
2 stops
POS1:05 amPort of Spain Piarco Intl
$641
Find similar
United Airlines
Feb 28
POS1:30 amPort of Spain Piarco Intl
21h 30m
2 stops
STL9:00 pmLambert-St Louis
Mar 3
STL8:21 amLambert-St Louis
14h 02m
2 stops
POS12:23 amPort of Spain Piarco Intl
$642
Find similar

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
Oct 25
POS3:25 pmPort of Spain Piarco Intl
9h 31m
1 stop
STL11:56 pmLambert-St Louis
Oct 31
STL5:23 amLambert-St Louis
8h 02m
1 stop
POS2:25 pmPort of Spain Piarco Intl
$635
Find similar
American Airlines
Oct 25
POS3:25 pmPort of Spain Piarco Intl
18h 55m
2 stops
STL9:20 amLambert-St Louis
Oct 31
STL5:23 amLambert-St Louis
8h 02m
1 stop
POS2:25 pmPort of Spain Piarco Intl
$639
Find similar
American Airlines
Oct 16
POS7:00 amPort of Spain Piarco Intl
11h 28m
1 stop
STL5:28 pmLambert-St Louis
Oct 24
STL6:00 amLambert-St Louis
14h 20m
2 stops
POS9:20 pmPort of Spain Piarco Intl
$645
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 September 24, 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

Sat 10/25

3:25 pm-11:56 pm

1 stop9h 31m

Lambert-St Louis

Fri 10/31

5:23 am-2:25 pm

1 stop8h 02m

$635

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 2/28

1:30 am-9:23 am

1 stop9h 53m

Lambert-St Louis

Tue 3/3

10:10 am-12:23 am

1 stop12h 13m

$637

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 10/25

3:25 pm-9:20 am

2 stops18h 55m

Lambert-St Louis

Fri 10/31

5:23 am-2:25 pm

1 stop8h 02m

$639

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 2/28

1:30 am-9:23 am

1 stop9h 53m

Lambert-St Louis

Tue 3/3

7:41 am-1:05 am

2 stops15h 24m

$641

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 2/28

1:30 am-9:00 pm

2 stops21h 30m

Lambert-St Louis

Tue 3/3

8:21 am-12:23 am

2 stops14h 02m

$642

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 10/16

7:00 am-5:28 pm

1 stop11h 28m

Lambert-St Louis

Fri 10/24

6:00 am-9:20 pm

2 stops14h 20m

$645

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Fri 10/24

12:30 am-12:28 pm

2 stops12h 58m

Lambert-St Louis

Fri 10/31

5:24 pm-12:25 am

2 stops30h 01m

$656

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Wed 10/15

12:30 am-9:52 am

1 stop10h 22m

Lambert-St Louis

Fri 10/24

12:25 pm-11:23 pm

2 stops33h 58m

$662

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 10/16

3:25 pm-11:56 pm

1 stop9h 31m

Lambert-St Louis

Fri 10/24

5:23 am-9:20 pm

1 stop14h 57m

$669

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Fri 10/24

2:25 am-10:02 am

3 stops32h 37m

Lambert-St Louis

Fri 10/31

4:05 pm-6:20 pm

2 stops25h 15m

$867

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

Direct flights

None
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.
Search flight deals

  • 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 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.

Traveling to a place near St. Louis?

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