Cheap flights from St. Louis (STL) to Port of Spain (POS) from $208

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Port of Spain departing on 3/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — POS
Mar 5 — Mar 121

Cheap flight deals from St. Louis to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Port of Spain (POS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 29, 2024.

Popular in

January

Cheapest in

October

Round-trip from

$473

One-way from

$333
High demand for flights, 30% potential price rise
Best time to find cheap flights, 22% potential price drop
From Lambert-St Louis to Port of Spain Piarco Intl
One-way flight from Lambert-St Louis to Port of Spain Piarco Intl

What is the cheapest day to fly round-trip from St. Louis to Port of Spain?

Users have found that flying from St. Louis to Port of Spain on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

October can be a great time to fly to Port of Spain from St. Louis with a flight ticket averaging about $879. Cheapflights users have found deals in the month of October for as cheap as $675. The most expensive prices can be found in the month of January.

When is the cheapest time to fly from St. Louis to Port of Spain (STL - POS)?

When flying from St. Louis to Port of Spain, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from St. Louis to Port of Spain

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Port of Spain. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from St. Louis to Port of Spain. Come back soon if you're not finding the exact deal you're looking for.
Mon 4/226:19 amSTL - POS
1 stop16h 04mUnited Airlines
Wed 4/2412:30 amPOS - STL
1 stop16h 53mUnited Airlines
Deal found 2/27$637
Mon 4/226:19 amSTL - POS
1 stop16h 04mUnited Airlines
Wed 4/2412:30 amPOS - STL
2 stops16h 16mUnited Airlines
Deal found 2/28$641
Mon 4/226:19 amSTL - POS
1 stop16h 04mUnited Airlines
Wed 4/2412:30 amPOS - STL
2 stops38h 53mUnited Airlines
Deal found 2/27$657
Mon 4/225:25 pmSTL - POS
2 stops28h 58mUnited Airlines
Wed 4/2412:30 amPOS - STL
2 stops34h 44mUnited Airlines
Deal found 2/27$674
Mon 4/226:00 amSTL - POS
2 stops16h 23mUnited Airlines
Wed 4/2412:30 amPOS - STL
2 stops16h 16mUnited Airlines
Deal found 2/28$681

Cheap American Airlines flights from St. Louis to Port of Spain

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Port of Spain. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Some of the lowest-priced American Airlines flights we've found at this time heading from St. Louis to Port of Spain. Make sure to examine the flight information before completing your reservation.
Mon 4/225:33 amSTL - POS
1 stop15h 17mAmerican Airlines
Thu 4/253:06 pmPOS - STL
1 stop9h 20mAmerican Airlines
Deal found 2/27$687
Mon 4/225:15 amSTL - POS
2 stops15h 35mAmerican Airlines
Thu 4/253:06 pmPOS - STL
2 stops20h 07mAmerican Airlines
Deal found 2/27$688
Mon 4/225:33 amSTL - POS
1 stop7h 32mAmerican Airlines
Thu 4/257:00 amPOS - STL
2 stops16h 42mAmerican Airlines
Deal found 2/27$690

St. Louis to Port of Spain 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Port of Spain in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
These are some of the best deals we've found on flights to Port of Spain in 2024 at this time. Check back soon for alternative fares.
Mon 4/226:19 amSTL - POS
1 stop16h 04mUnited Airlines
Wed 4/2412:30 amPOS - STL
1 stop16h 53mUnited Airlines
Deal found 2/27$637
Mon 4/226:19 amSTL - POS
1 stop16h 04mUnited Airlines
Wed 4/2412:30 amPOS - STL
2 stops16h 16mUnited Airlines
Deal found 2/28$641
Mon 4/226:19 amSTL - POS
1 stop16h 04mUnited Airlines
Wed 4/2412:30 amPOS - STL
2 stops38h 53mUnited Airlines
Deal found 2/27$657
Wed 10/235:31 amSTL - POS
1 stop7h 30mAmerican Airlines
Thu 10/317:58 amPOS - STL
1 stop16h 13mAmerican Airlines
Deal found 2/29$662
Wed 10/235:31 amSTL - POS
1 stop7h 30mAmerican Airlines
Thu 10/313:18 pmPOS - STL
2 stops17h 51mAmerican Airlines
Deal found 2/29$665
Mon 4/225:25 pmSTL - POS
2 stops28h 58mUnited Airlines
Wed 4/2412:30 amPOS - STL
2 stops34h 44mUnited Airlines
Deal found 2/27$674
Mon 4/226:00 amSTL - POS
2 stops16h 23mUnited Airlines
Wed 4/2412:30 amPOS - STL
2 stops16h 16mUnited Airlines
Deal found 2/28$681
Mon 4/225:33 amSTL - POS
1 stop15h 17mAmerican Airlines
Thu 4/253:06 pmPOS - STL
1 stop9h 20mAmerican Airlines
Deal found 2/27$687
Mon 4/225:15 amSTL - POS
2 stops15h 35mAmerican Airlines
Thu 4/253:06 pmPOS - STL
2 stops20h 07mAmerican Airlines
Deal found 2/27$688

One-way flights to Port of Spain from St. Louis

Search for one-way flight options from St. Louis to Port of Spain. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Take a look at some of the best available options we've come across on one-way flights from St. Louis to Port of Spain. Users in need of a round-trip flight from St. Louis to Port of Spain instead should update the search form at the top of page.
Thu 3/145:51 pmSTL - POS
1 stop25h 09mMultiple Airlines
Deal found 2/29$208
Sun 3/175:51 pmSTL - POS
1 stop25h 09mMultiple Airlines
Deal found 2/29$215
Tue 3/198:24 pmSTL - POS
3 stops48h 16mMultiple Airlines
Deal found 2/29$221
Mon 3/185:35 pmSTL - POS
3 stops51h 05mMultiple Airlines
Deal found 2/29$224
Thu 3/147:48 pmSTL - POS
2 stops23h 12mMultiple Airlines
Deal found 2/29$229
Sun 3/178:24 pmSTL - POS
2 stops22h 36mMultiple Airlines
Deal found 2/29$241
Wed 3/209:08 pmSTL - POS
2 stops21h 52mMultiple Airlines
Deal found 2/29$245
Sat 3/165:51 pmSTL - POS
1 stop25h 09mMultiple Airlines
Deal found 2/29$247
Sun 3/177:30 amSTL - POS
3 stops34h 25mMultiple Airlines
Deal found 2/29$258

Find flights from St. Louis to Port of Spain within your budget

Customize your flight search to find flights from St. Louis to Port of Spain 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, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$637 - $690

Route

Depart

Return

Price

Lambert-St LouisPort of Spain Piarco Intl

STL - POS

STLPOS

Lambert-St Louis

Mon 4/22

1 stop16h 04m

Port of Spain Piarco Intl

Wed 4/24

1 stop16h 53m

$637

Lambert-St LouisPort of Spain Piarco Intl

STL - POS

STLPOS

Lambert-St Louis

Mon 4/22

1 stop16h 04m

Port of Spain Piarco Intl

Wed 4/24

2 stops16h 16m

$641

Lambert-St LouisPort of Spain Piarco Intl

STL - POS

STLPOS

Lambert-St Louis

Mon 4/22

1 stop16h 04m

Port of Spain Piarco Intl

Wed 4/24

2 stops38h 53m

$657

Lambert-St LouisPort of Spain Piarco Intl

STL - POS

STLPOS

Lambert-St Louis

Mon 4/22

2 stops28h 58m

Port of Spain Piarco Intl

Wed 4/24

2 stops34h 44m

$674

Lambert-St LouisPort of Spain Piarco Intl

STL - POS

STLPOS

Lambert-St Louis

Mon 4/22

2 stops16h 23m

Port of Spain Piarco Intl

Wed 4/24

2 stops16h 16m

$681

Lambert-St LouisPort of Spain Piarco Intl

STL - POS

STLPOS

Lambert-St Louis

Mon 4/22

1 stop15h 17m

Port of Spain Piarco Intl

Thu 4/25

1 stop9h 20m

$687

Lambert-St LouisPort of Spain Piarco Intl

STL - POS

STLPOS

Lambert-St Louis

Mon 4/22

2 stops15h 35m

Port of Spain Piarco Intl

Thu 4/25

2 stops20h 07m

$688

Lambert-St LouisPort of Spain Piarco Intl

STL - POS

STLPOS

Lambert-St Louis

Mon 4/22

1 stop7h 32m

Port of Spain Piarco Intl

Thu 4/25

2 stops16h 42m

$690

Flights are sorted by cheapest first

Deals found on 2/27

When is the cheapest time to fly from St. Louis to Port of Spain?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Port of Spain. Price data was last updated on February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Port of Spain flight should consider departing on Monday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Port of Spain by month

Plan your trip from St. Louis to Port of Spain by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Port of Spain is currently $232 while a round-trip flight costs $669. Price data was last updated on February 25, 2024.

Currently, March is the cheapest month in which you can book a flight from St. Louis to Port of Spain (average of $473). Flying from St. Louis to Port of Spain in July is currently the most expensive (average of $694). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$482

February

$493

March

$473

April

$549

May

$574

June

$614

July

$694

August

$649

September

$519

October

$516

November

$503

December

$529

Temperature and rainfall in Port of Spain by month

Plan your trip to Port of Spain by taking into account the average temperature and rainfall totals by month.

POS

Temperature

77 - 80.6 °F

Reviews of airlines servicing Port of Spain

Get insights into the airlines that provide service to Port of Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Port of Spain. Reviews last updated February 29, 2024.
Get a feel of what it's like to fly with United Airlines and American Airlines from St. Louis to Port of Spain by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.4
Good
11,794 reviews

Comfort

7.2

Entertainment

7.1

Overall

7.4

Food

6.7

Crew

8.1

Boarding

7.7

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

7.4
Good
11,794 reviews
7.4
Good
11,794 reviews

Comfort

7.2

Entertainment

7.1

Overall

7.4

Food

6.7

Crew

8.1

Boarding

7.7

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

7.3
Good
15,571 reviews
7.4
Good
11,794 reviews

Comfort

7.2

Entertainment

7.1

Overall

7.4

Food

6.7

Crew

8.1

Boarding

7.7

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Port of Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from St. Louis to Port of Spain for under $700 on Cheapflights?

Yes, there are multiple flights from St. Louis to Port of Spain for under $700. The cheapest flight booked recently is on United Airlines for just $637, but on average you can expect to pay $669.

What are the cheapest airlines flying from St. Louis to Port of Spain round-trip?

Our cheapest airline available from St. Louis to Port of Spain is United Airlines. Our recent data shows that you can find tickets from as low as $637 on this airline. An additional option worth looking into is American Airlines, starting at $687. United Airlines is currently priced 27% below the average price you’ll pay for this route.

What does STL to POS mean?

This is defined as Lambert-St Louis Airport (STL) and Port of Spain Piarco Intl Airport (POS). Codes like Port of Spain Piarco Intl Airport are often used to just call airports uniquely.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Port of Spain
See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Port of Spain

Discover the top 2 airlines that operate flights from St. Louis to Port of Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$424Average$756FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$659Average$774FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from St. Louis to Port of Spain by cabin class

Find flights from St. Louis to Port of Spain, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Port of Spain?

When you search for this flight from St. Louis to Port of Spain, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Port of Spain?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Port of Spain from St. Louis.

Can Cheapflights find flights from St. Louis to Port of Spain with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Port of Spain with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Port of Spain become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.