POS - STL

$361 Find Cheap Flights from Port of Spain to St. Louis - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$651
Typical prices: $692-$821
Air Canada
Tue 9/18Thu 9/27
POS - STL • 1 stop
Cheapest one-way
$361
Typical prices: $415-$443
Air Canada
Sat 11/3
POS - STL • 1 stop
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
Insights
When to travel
November
Cheapest • 18% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Toronto Pearson Intl (YYZ)
Cheapest • Avg $637 (round-trip)
Miami (MIA)
Shortest trip • 10h 27m (one-way)
Insights
Insights
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Booking Insights
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.

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

Mon, Sep 21 - Sat, Sep 26
Air Canada Logo
1:20 am - 8:20 pmPOS  Port of Spain Piarco Intl-STL Lambert-St Louis
20h 00m1 stop Toronto Pearson Intl
Air Canada Logo
12:10 pm - 12:15 amSTL  Lambert-St Louis-POS Port of Spain Piarco Intl
35h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$659Air Canada
Mon, Sep 21 - Sat, Sep 26
Air Canada Logo
1:20 am - 6:41 pmPOS  Port of Spain Piarco Intl-STL Lambert-St Louis
42h 21m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:10 pm - 12:15 amSTL  Lambert-St Louis-POS Port of Spain Piarco Intl
35h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$692Air Canada
Wed, Sep 30 - Tue, Oct 6
United Airlines Logo
12:30 am - 2:10 pmPOS  Port of Spain Piarco Intl-STL Lambert-St Louis
14h 40m1 stop Houston George Bush Intcntl
United Airlines Logo
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
$743United Airlines
Wed, Sep 30 - Tue, Oct 6
United Airlines Logo
12:30 am - 10:10 amPOS  Port of Spain Piarco Intl-STL Lambert-St Louis
10h 40m1 stop Houston George Bush Intcntl
United Airlines Logo
6:15 am - 11:23 pmSTL  Lambert-St Louis-POS Port of Spain Piarco Intl
16h 08m1 stop Houston George Bush Intcntl
$743United Airlines
Thu, Oct 1 - Tue, Oct 6
American Airlines Logo
3:06 pm - 10:18 amPOS  Port of Spain Piarco Intl-STL Lambert-St Louis
20h 12m2 stops Miami Chicago O'Hare Intl
American Airlines Logo
3:30 pm - 2:08 pmSTL  Lambert-St Louis-POS Port of Spain Piarco Intl
21h 38m2 stops Charlotte Douglas Miami
$747American Airlines
Mon, Sep 21 - Sat, Sep 26
United Airlines Logo
12:30 am - 10:10 amPOS  Port of Spain Piarco Intl-STL Lambert-St Louis
10h 40m1 stop Houston George Bush Intcntl
United Airlines Logo
6:15 am - 11:23 pmSTL  Lambert-St Louis-POS Port of Spain Piarco Intl
16h 08m1 stop Houston George Bush Intcntl
$1,002United Airlines
Thu, Oct 1 - Tue, Oct 6
Multiple Airlines Logo
6:00 am - 9:21 pmPOS  Port of Spain Piarco Intl-STL Lambert-St Louis
16h 21m3 stops Georgetown Cheddi Jagan Intl Toronto Pearson Intl Chicago O'Hare Intl
Multiple Airlines Logo
1:29 pm - 5:30 amSTL  Lambert-St Louis-POS Port of Spain Piarco Intl
15h 01m2 stops Chicago O'Hare Intl Toronto Pearson Intl
$5,768Multiple Airlines
Tue, Sep 22 - Sat, Sep 26
Multiple Airlines Logo
3:55 pm - 11:57 amPOS  Port of Spain Piarco Intl-STL Lambert-St Louis
21h 02m2 stops Toronto Pearson Intl Chicago O'Hare Intl
Multiple Airlines Logo
8:00 am - 1:25 amSTL  Lambert-St Louis-POS Port of Spain Piarco Intl
16h 25m3 stops Chicago O'Hare Intl Toronto Pearson Intl Georgetown Cheddi Jagan Intl
$6,231Multiple 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.

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

Round-trip flights from Port of Spain to St. Louis start at $651. Prices are below average for this route right now, with typical round-trip fares ranging from $692 to $821. The lowest price found in the past 5 days was $651 on Air Canada.

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.

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Key details for Port of Spain to St. Louis flights

Low season

February

Cheapest flight

$361
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

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

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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?

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

  • 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 $659 to $6,231. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Port of Spain to St. Louis looking right now?

    One-way fares from Port of Spain to St. Louis are currently in line with typical prices for this route. Average one-way fares are about $424.

  • 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.

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

Get tips on when to book, when to fly and what to know before your trip.
  • 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
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel

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

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

Car rentals in St. Louis
Hotels in St. Louis
Vacations in St. Louis