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

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

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

Only Economy Class is available on flights from St. Louis to Port of Spain.

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

Connecting flights from St. Louis to Port of Spain most commonly pass through: • Houston George Bush Intcntl (IAH) - 92% of one-stop connections • Toronto Pearson Intl (YYZ) - 8% of one-stop connections

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

Yes. Flexible dates can save you up to 32% on flights from St. Louis to Port of Spain. Monday is the cheapest departure day at $600 round-trip on average, while Sunday is the most expensive at $879, a difference of $279. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

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

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 St. Louis to Port of Spain 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 $693 to $5,738. That means the highest observed fare was about 8x higher than the lowest one.

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

Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 10h 27m, compared with 11h 26m via Houston George Bush Intcntl (IAH).

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

Port of Spain is 2 hours ahead of St. Louis (Atlantic Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Port of Spain Piarco Intl Airport (POS)?

Port of Spain Piarco Intl Airport (POS) hosts 5 major car rental companies, with daily rates averaging $47 for economy cars. Top options include: • Classique Car Rentals • Hertz • Ace • Europcar • Alamo

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

Round-trip flights from St. Louis to Port of Spain range from $710 to $821, with an average of $782 over the past 12 months. Anything below $710 counts as a good deal.

How much is a round-trip flight from St. Louis to Port of Spain?

Round-trip flights from St. Louis to Port of Spain typically range from $710 to $821. The lowest price found in the past 5 days was $693, on American Airlines.

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

American Airlines ($693) and United Airlines ($749) are the cheapest airlines to fly round-trip from St. Louis to Port of Spain according to KAYAK data over the last 5 days.

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

Houston George Bush Intcntl (IAH) is the most popular layover for the St. Louis to Port of Spain route. 92% 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 St. Louis to Port of Spain?

Flights via Toronto Pearson Intl (YYZ) offer the most affordable fares, with an average round-trip price of $600. Based on KAYAK data over the past 3 months.

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

Toronto Pearson Intl (YYZ) had the shortest average connection time for St. Louis to Port of Spain layovers at 6h 39m over the past 3 months.

$693 CHEAP FLIGHTS from St. Louis to Port of Spain (STL - POS)

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Cheapest round-trip

$693

Typical prices: $710-$821

American Airlines

Fri 3/23Fri 3/30

STL - POS • 1 stop

Nonstop flights

Not available

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

Insights

Top layover airports

Toronto Pearson Intl (YYZ)

Cheapest • Avg $600 (round-trip)

Houston George Bush Intcntl (IAH)

Shortest trip • 11h 26m (one-way)

Insights

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Flight Deals

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

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

Round-trip

One-way

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

Tue, Mar 23 - Tue, Mar 30

5:00 am - 2:13 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

8h 13m1 stop Miami

3:13 pm - 11:39 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

9h 26m1 stop Miami

$693American Airlines

Tue, Mar 23 - Tue, Mar 30

5:46 pm - 2:13 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

19h 27m2 stops Dallas/Fort Worth Miami

3:13 pm - 2:39 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

24h 26m2 stops Miami Washington, D.C. Reagan-National

$698American Airlines

Tue, Mar 23 - Tue, Mar 30

1:00 pm - 2:13 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

24h 13m2 stops Charlotte Douglas Miami

3:13 pm - 11:31 amPOS Port of Spain Piarco Intl-STL Lambert-St Louis

21h 18m1 stop Miami

$698American Airlines

Sun, Dec 13 - Sat, Dec 19

6:00 am - 12:18 amSTL Lambert-St Louis-POS Port of Spain Piarco Intl

16h 18m1 stop Houston George Bush Intcntl

1:25 am - 9:49 amPOS Port of Spain Piarco Intl-STL Lambert-St Louis

10h 24m1 stop Houston George Bush Intcntl

$749United Airlines

Sun, Dec 13 - Sat, Dec 19

8:30 am - 12:18 amSTL Lambert-St Louis-POS Port of Spain Piarco Intl

13h 48m1 stop Houston George Bush Intcntl

1:25 am - 12:26 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

13h 01m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$777United Airlines

Sat, Apr 17 - Tue, Apr 20

8:50 am - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

13h 33m1 stop Houston George Bush Intcntl

12:30 am - 9:42 amPOS Port of Spain Piarco Intl-STL Lambert-St Louis

10h 12m1 stop Houston George Bush Intcntl

$840United Airlines

Sat, Apr 17 - Tue, Apr 20

7:30 am - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

14h 53m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

12:30 am - 10:54 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

23h 24m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$844United Airlines

Sat, Apr 17 - Tue, Apr 20

8:50 am - 11:23 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

13h 33m1 stop Houston George Bush Intcntl

12:30 am - 3:38 pmPOS Port of Spain Piarco Intl-STL Lambert-St Louis

16h 08m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$844United Airlines

Sun, Dec 13 - Sun, Dec 20

8:02 am - 5:40 amSTL Lambert-St Louis-POS Port of Spain Piarco Intl

19h 38m2 stops Chicago O'Hare Intl Toronto Pearson Intl

9:10 am - 10:53 amPOS Port of Spain Piarco Intl-STL Lambert-St Louis

27h 43m3 stops Miami Baltimore/Washington Atlanta Hartsfield-Jackson

$1,445Multiple Airlines

Thu, Feb 4 - Sun, Feb 14

6:00 pm - 3:46 pmSTL Lambert-St Louis-POS Port of Spain Piarco Intl

19h 46m2 stops Dallas/Fort Worth Miami

4:13 pm - 11:38 amPOS Port of Spain Piarco Intl-STL Lambert-St Louis

21h 25m2 stops Miami Charlotte Douglas

$1,446American Airlines

Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Port of Spain? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Port of Spain departing in march.

Find deals

Cheapest flight	$693

Round-trip flight from St. Louis to Port of Spain

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

Are your dates flexible? Find out the best times to travel from St. Louis to Port of Spain 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.

What cabin classes can I book on flights from St. Louis to Port of Spain?
Only Economy Class is available on flights from St. Louis to Port of Spain.
How long is a flight from St. Louis to Port of Spain?
A nonstop flight from St. Louis to Port of Spain takes 00m, covering 2,641 miles.
Do I need a passport to fly from St. Louis to Port of Spain?
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.
How much should I expect to pay for a St. Louis to Port of Spain flight?
Round-trip flights from St. Louis to Port of Spain range from $710 to $821, with an average of $782 over the past 12 months. Anything below $710 counts as a good deal.
Have flight prices from St. Louis to Port of Spain 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 $693 to $5,738. That means the highest observed fare was about 8x higher than the lowest one.
What car rental options are available at Port of Spain Piarco Intl Airport (POS)?
Port of Spain Piarco Intl Airport (POS) hosts 5 major car rental companies, with daily rates averaging $47 for economy cars. Top options include:

• Classique Car Rentals
• Hertz
• Ace
• Europcar
• Alamo
Which airports can I use when flying from St. Louis to Port of Spain?
Flights from St. Louis to Port of Spain usually depart from Lambert-St Louis (STL) and arrive at Port of Spain Piarco Intl (POS).
Which airports do connecting flights from St. Louis to Port of Spain pass through?
Connecting flights from St. Louis to Port of Spain most commonly pass through:

• Houston George Bush Intcntl (IAH) - 92% of one-stop connections
• Toronto Pearson Intl (YYZ) - 8% of one-stop connections
Can I save money by using flexible dates for flights from St. Louis to Port of Spain?
Yes. Flexible dates can save you up to 32% on flights from St. Louis to Port of Spain. Monday is the cheapest departure day at $600 round-trip on average, while Sunday is the most expensive at $879, a difference of $279.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from St. Louis to Port of Spain?
Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 10h 27m, compared with 11h 26m via Houston George Bush Intcntl (IAH).
What is the time difference between St. Louis and Port of Spain?
Port of Spain is 2 hours ahead of St. Louis (Atlantic Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Monday departure and avoid flying on Sunday. On this route, Monday flights average $600, about $279 less than Sunday fares (32% savings) based on the last 12 months.

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STL - POS

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Everything you should know

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

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

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

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

How much is a round-trip flight from St. Louis to Port of Spain?

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

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

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

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

Key details for St. Louis to Port of Spain flights

Cheapest flight

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

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

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

More options for your flight from St. Louis to Port of Spain

Complete your trip to Port of Spain with a hotel stay or car rental

Information on your arrival and departure airports

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

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Flights from domestic origins to Port of Spain

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