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Cheap flights from Trinidad and Tobago to St. Louis from $655

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 6/19. 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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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.
Air Canada Logo
1:25 am - 12:21 pm
POS
-
STL
11h 56m
1 stop
Air Canada Logo
8:40 am - 12:15 am
STL
-
POS
14h 35m
1 stop
$655Air Canada
Fri, Jun 19 - Sun, Jun 28
Air Canada Logo
1:25 am - 12:21 pm
POS
-
STL
11h 56m
1 stop
Air Canada Logo
1:20 pm - 12:30 am
STL
-
POS
34h 10m
2 stops
$658Air Canada
Fri, Jun 19 - Sun, Jun 28
United Airlines Logo
12:30 am - 5:42 pm
POS
-
STL
18h 12m
1 stop
United Airlines Logo
11:10 am - 11:23 pm
STL
-
POS
11h 13m
1 stop
$692United Airlines
Wed, May 27 - Thu, Jun 11
American Airlines Logo
7:00 am - 11:59 pm
POS
-
STL
17h 59m
2 stops
American Airlines Logo
8:36 am - 11:00 pm
STL
-
POS
13h 24m
2 stops
$697American Airlines
Thu, May 28 - Thu, Jun 11
United Airlines Logo
12:30 am - 9:16 pm
POS
-
STL
21h 46m
2 stops
United Airlines Logo
7:22 am - 12:50 am
STL
-
POS
16h 28m
2 stops
$716United Airlines
Fri, Jun 19 - Sun, Jun 28
American Airlines Logo
7:00 am - 10:58 pm
POS
-
STL
16h 58m
1 stop
American Airlines Logo
5:16 am - 2:11 pm
STL
-
POS
7h 55m
1 stop
$743American Airlines
Wed, May 27 - Wed, Jun 10
American Airlines Logo
7:00 am - 8:52 pm
POS
-
STL
14h 52m
2 stops
American Airlines Logo
9:25 am - 11:00 pm
STL
-
POS
12h 35m
2 stops
$747American Airlines
Wed, May 27 - Wed, Jun 10
Multiple Airlines Logo
1:05 pm - 8:25 pm
POS
-
STL
32h 20m
3 stops
Multiple Airlines Logo
1:20 pm - 12:30 am
STL
-
POS
34h 10m
3 stops
$2,035Multiple Airlines
Sat, Jun 20 - Sun, Jun 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
May 28
POS7:00 amPort of Spain Piarco Intl
17h 59m
2 stops
STL11:59 pmLambert-St Louis
Jun 11
STL8:36 amLambert-St Louis
13h 24m
2 stops
POS11:00 pmPort of Spain Piarco Intl
$697
American Airlines
May 27
POS7:00 amPort of Spain Piarco Intl
16h 58m
1 stop
STL10:58 pmLambert-St Louis
Jun 10
STL5:16 amLambert-St Louis
7h 55m
1 stop
POS2:11 pmPort of Spain Piarco Intl
$743
American Airlines
May 27
POS7:00 amPort of Spain Piarco Intl
14h 52m
2 stops
STL8:52 pmLambert-St Louis
Jun 10
STL9:25 amLambert-St Louis
12h 35m
2 stops
POS11:00 pmPort of Spain Piarco Intl
$747

Air Canada flights from Trinidad and Tobago to St. Louis

Our best Air Canada deals on Trinidad and Tobago to St. Louis flight tickets
Air Canada
Jun 19
POS1:25 amPort of Spain Piarco Intl
11h 56m
1 stop
STL12:21 pmLambert-St Louis
Jun 28
STL8:40 amLambert-St Louis
14h 35m
1 stop
POS12:15 amPort of Spain Piarco Intl
$655
Air Canada
Jun 19
POS1:25 amPort of Spain Piarco Intl
11h 56m
1 stop
STL12:21 pmLambert-St Louis
Jun 28
STL1:20 pmLambert-St Louis
34h 10m
2 stops
POS12:30 amPort of Spain Piarco Intl
$658

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 May 2, 2026.
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

Cheapest round-trip

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Fri 6/19

1:25 am-12:21 pm

1 stop11h 56m

Lambert-St Louis

Sun 6/28

8:40 am-12:15 am

1 stop14h 35m

$655

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Fri 6/19

1:25 am-12:21 pm

1 stop11h 56m

Lambert-St Louis

Sun 6/28

1:20 pm-12:30 am

2 stops34h 10m

$658

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Wed 5/27

12:30 am-5:42 pm

1 stop18h 12m

Lambert-St Louis

Thu 6/11

11:10 am-11:23 pm

1 stop11h 13m

$692

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 5/28

7:00 am-11:59 pm

2 stops17h 59m

Lambert-St Louis

Thu 6/11

8:36 am-11:00 pm

2 stops13h 24m

$697

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Fri 6/19

12:30 am-9:16 pm

2 stops21h 46m

Lambert-St Louis

Sun 6/28

7:22 am-12:50 am

2 stops16h 28m

$716
Quickest round-trip

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Wed 5/27

7:00 am-10:58 pm

1 stop16h 58m

Lambert-St Louis

Wed 6/10

5:16 am-2:11 pm

1 stop7h 55m

$743

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Wed 5/27

7:00 am-8:52 pm

2 stops14h 52m

Lambert-St Louis

Wed 6/10

9:25 am-11:00 pm

2 stops12h 35m

$747

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 6/20

1:05 pm-8:25 pm

3 stops32h 20m

Lambert-St Louis

Sun 6/28

1:20 pm-12:30 am

3 stops34h 10m

$2,035

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

21h 11m

Direct flights

None
The fastest flight from Trinidad and Tobago to St. Louis takes 21h 11m
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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Frequently asked questions about flying from Trinidad and Tobago to St. Louis

  • 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
9,679 reviews
Search United Airlines flights

Frequently asked questions about flying from Trinidad and Tobago to St. Louis

  • How do I get Price Alerts for flights from Trinidad and Tobago to St. Louis?

    Search flight deals from Trinidad and Tobago to St. Louis. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Trinidad and Tobago to St. Louis with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

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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