Which airports can I use when flying from Port of Spain to St. Louis?

Flights from Port of Spain to St. Louis usually depart from Port of Spain Piarco Intl (POS) and arrive at Lambert-St Louis (STL).

What cabin classes can I book on flights from Port of Spain to St. Louis?

Two cabin classes are available on flights from Port of Spain to St. Louis: • Economy Class • First Class

Which airports do connecting flights from Port of Spain to St. Louis pass through?

One-stop flights from Port of Spain to St. Louis most commonly connect through: • Houston George Bush Intcntl (IAH) - 54% of one-stop connections • Miami (MIA) - 38% of one-stop connections • Newark (EWR) - 4% of one-stop connections • Toronto Pearson Intl (YYZ) - 4% of one-stop connections Houston George Bush Intcntl (IAH) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Port of Spain to St. Louis?

Yes. Being flexible with your travel dates can save you up to 29% on the Port of Spain to St. Louis route. Wednesday is the cheapest departure day at $692 round-trip on average, while Sunday is the most expensive at $970, a difference of $278. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in St. Louis?

Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

How long is a flight from Port of Spain to St. Louis?

A nonstop flight from Port of Spain to St. Louis takes 0h 00m, covering 2,641 miles.

Do I need a passport to fly from Port of Spain to St. Louis?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Port of Spain to St. Louis changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $581 to $4,218. That means the highest observed fare was about 7x higher than the lowest one.

How much time can I save by choosing a different layover airport from Port of Spain to St. Louis?

Flying via Miami (MIA) gives the shortest average 1-stop total travel time at 10h 27m, compared with 10h 42m via Newark (EWR) and 11h 43m via Houston George Bush Intcntl (IAH).

What is the time difference between Port of Spain and St. Louis?

St. Louis is 1 hour behind Port of Spain (Central Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Lambert-St Louis Airport (STL)?

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include: · Hertz · Budget · Alamo · Enterprise Rent-A-Car · Payless

How much should I expect to pay for a Port of Spain to St. Louis flight?

Round-trip flights from Port of Spain to St. Louis range from $692 to $821, with an average of $739 over the past 12 months. Anything below $692 counts as a good deal.

What is the cheapest airline to fly from Port of Spain to St. Louis?

Air Canada ($667) and United Airlines ($689) are the cheapest airlines to fly round-trip from Port of Spain to St. Louis according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Port of Spain to St. Louis?

Houston George Bush Intcntl (IAH) is the most popular layover for the Port of Spain to St. Louis route. 54% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via IAH.

What is the cheapest layover airport when flying from Port of Spain to St. Louis?

Flights via Toronto Pearson Intl (YYZ) offer the most affordable fares, with an average round-trip price of $637. Based on KAYAK data over the past 3 months.

When flying from Port of Spain to St. Louis which airport offers the shortest layover?

Newark (EWR) had the shortest average connection time for Port of Spain to St. Louis layovers at 407 minutes over the past 3 months.

$581 CHEAP FLIGHTS from Port of Spain to St. Louis (POS - STL)

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Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$581

Typical prices: $692-$821

Multiple Airlines

Mon 10/1Wed 10/10

POS - STL • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Port of Spain and St. Louis. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

November

Cheapest • 18% price drop

July

Most popular

Good to know

Top layover airports

Toronto Pearson Intl (YYZ)

Cheapest • Avg $637 (round-trip)

Miami (MIA)

Shortest trip • 10h 27m (one-way)

Insights

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We hope you love your trip to St. Louis!

Flight Deals

Cheap Flights from Port of Spain to St. Louis (POS-STL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Port of Spain to St. Louis

Thu, Oct 1 - Sat, Oct 10

10:10 am - 1:10 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

28h 00m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

4:30 pm - 7:30 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

26h 00m1 stop Orlando

$581Multiple Airlines

Sun, Sep 20 - Mon, Sep 28

1:20 am - 2:00 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

13h 40m1 stop Toronto Pearson Intl

8:55 am - 12:15 amSTL Lambert-St Louis-POS Port of Spain Piarco Intl

14h 20m1 stop Toronto Pearson Intl

$667Air Canada

Wed, Sep 30 - Tue, Oct 6

12:30 am - 9:21 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

21h 51m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

8:00 am - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

14h 23m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$689United Airlines

Mon, Oct 5 - Tue, Oct 13

12:30 am - 2:17 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

14h 47m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:36 pm - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

28h 47m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$689United Airlines

Wed, Sep 30 - Tue, Oct 6

12:30 am - 3:43 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

16h 13m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:15 am - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

16h 08m1 stop Houston George Bush Intcntl

$689United Airlines

Wed, Sep 30 - Tue, Oct 6

12:30 am - 10:30 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

23h 00m1 stop Houston George Bush Intcntl

6:15 am - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

16h 08m1 stop Houston George Bush Intcntl

$689United Airlines

Sun, Sep 20 - Mon, Sep 28

12:30 am - 8:00 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

20h 30m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

6:15 am - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

16h 08m1 stop Houston George Bush Intcntl

$689United Airlines

Sun, Sep 20 - Mon, Sep 28

12:30 am - 8:00 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

20h 30m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

5:36 pm - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

28h 47m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$689United Airlines

Mon, Oct 5 - Tue, Oct 13

12:30 am - 10:10 amPOS Port of Spain Piarco Intl-STL Lambert-St Louis

10h 40m1 stop Houston George Bush Intcntl

6:15 am - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

16h 08m1 stop Houston George Bush Intcntl

$689United Airlines

Thu, Oct 1 - Tue, Oct 6

3:06 pm - 11:59 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

9h 53m1 stop Miami

5:00 am - 2:08 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

8h 08m1 stop Miami

$692American Airlines

Booking Insights

Price, demand and travel trends for Port of Spain to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Port of Spain to St. Louis with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from Port of Spain to St. Louis?

Wednesday is the cheapest day of the week to fly from Port of Spain to St. Louis, it is 7% cheaper than the average day. Sunday is the most expensive day with flight prices 31% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	February
High season	July
Cheapest flight	$581

Most popular time to fly with an average 6% increase in price.

Flight from Port of Spain to St. Louis

When to book flights from Port of Spain to St. Louis

Are your dates flexible? Find out the best times to travel from Port of Spain to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Port of Spain to St. Louis?
Flights from Port of Spain to St. Louis usually depart from Port of Spain Piarco Intl (POS) and arrive at Lambert-St Louis (STL).
What cabin classes can I book on flights from Port of Spain to St. Louis?
Two cabin classes are available on flights from Port of Spain to St. Louis:

• Economy Class
• First Class
Which airports do connecting flights from Port of Spain to St. Louis pass through?
One-stop flights from Port of Spain to St. Louis most commonly connect through:

• Houston George Bush Intcntl (IAH) - 54% of one-stop connections
• Miami (MIA) - 38% of one-stop connections
• Newark (EWR) - 4% of one-stop connections
• Toronto Pearson Intl (YYZ) - 4% of one-stop connections

Houston George Bush Intcntl (IAH) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Port of Spain to St. Louis?
Yes. Being flexible with your travel dates can save you up to 29% on the Port of Spain to St. Louis route. Wednesday is the cheapest departure day at $692 round-trip on average, while Sunday is the most expensive at $970, a difference of $278. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in St. Louis?
Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.
How long is a flight from Port of Spain to St. Louis?
A nonstop flight from Port of Spain to St. Louis takes 0h 00m, covering 2,641 miles.
Do I need a passport to fly from Port of Spain to St. Louis?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Port of Spain to St. Louis changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $581 to $4,218. That means the highest observed fare was about 7x higher than the lowest one.
How much time can I save by choosing a different layover airport from Port of Spain to St. Louis?
Flying via Miami (MIA) gives the shortest average 1-stop total travel time at 10h 27m, compared with 10h 42m via Newark (EWR) and 11h 43m via Houston George Bush Intcntl (IAH).
What is the time difference between Port of Spain and St. Louis?
St. Louis is 1 hour behind Port of Spain (Central Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Lambert-St Louis Airport (STL)?
Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
· Hertz
· Budget
· Alamo
· Enterprise Rent-A-Car
· Payless
How much should I expect to pay for a Port of Spain to St. Louis flight?
Round-trip flights from Port of Spain to St. Louis range from $692 to $821, with an average of $739 over the past 12 months. Anything below $692 counts as a good deal.

If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $692 - about $278 less than Sunday (29% savings) based on the last 12 months.
If you can choose when to travel, plan your Port of Spain to St. Louis trip for November. Fares historically average $605 round-trip in that month - typically $379 less than the most expensive month, which is June (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
- MainStay Suites St. Louis Airport
- Renaissance St. Louis Airport Hotel
- Drury Inn & Suites St. Louis Airport

Everything you need to know for your flight from Port of Spain to St. Louis

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Port of Spain (POS)

St. Louis (STL)

POS - STL

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Everything you should know

Cheap Flights from Port of Spain to St. Louis (POS-STL)

Recent round-trip flight deals from Port of Spain to St. Louis

Recent one-way flight deals from Port of Spain to St. Louis

Recent last minute flight deals from Port of Spain to St. Louis

Price, demand and travel trends for Port of Spain to St. Louis flights

What's the cheapest day of the week to fly from Port of Spain to St. Louis?

What is the cheapest airline to fly from Port of Spain to St. Louis?

What is the most popular layover airport when flying from Port of Spain to St. Louis?

What is the cheapest layover airport when flying from Port of Spain to St. Louis?

When flying from Port of Spain to St. Louis which airport offers the shortest layover?

Key details for Port of Spain to St. Louis flights

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Cheapest flight

When to book flights from Port of Spain to St. Louis

Your Port of Spain to St. Louis flight questions, answered

Your guide to booking Port of Spain to St. Louis flights

Everything you need to know for your flight from Port of Spain to St. Louis

Information on your arrival and departure airports

Cabin class types available on flights from Port of Spain to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Find direct flights to and from Port of Spain and St. Louis

Flights to other popular destinations

Flights from domestic origins to St. Louis

Choose which airport to fly into in St. Louis

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