$308 Cheap Flights from Houston (IAH) to Port of Spain (POS)

View $308 flight on Thu, Nov 6, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS)

Cheap Flights from Houston to Port of Spain (IAH-POS)

Prices were available within the past 7 days and start at $308 for one-way flights and $544 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Nov 6 - Tue, Nov 11
IAH
Houston
POS
Trinidad
$544 Roundtrip, found 1 hour ago
$544
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Nov 6 from Houston to Trinidad, returning Tue, Nov 11, priced at $544 found 1 hour ago
American Airlines
Thu, Nov 6 - Tue, Nov 11
IAH
Houston
POS
Trinidad
$558 Roundtrip, found 1 hour ago
$558
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Nov 6 from Houston to Trinidad, returning Tue, Nov 11, priced at $558 found 1 hour ago
American Airlines
Thu, Aug 14 - Thu, Aug 21
IAH
Houston
POS
Trinidad
$563 Roundtrip, found 16 hours ago
$563
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Houston to Trinidad, returning Thu, Aug 21, priced at $563 found 16 hours ago
United
Sun, Nov 16 - Sun, Nov 23
IAH
Houston
POS
Trinidad
$564 Roundtrip, found 2 hours ago
$564
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Nov 16 from Houston to Trinidad, returning Sun, Nov 23, priced at $564 found 2 hours ago
American Airlines
Thu, Aug 7 - Thu, Aug 14
IAH
Houston
POS
Trinidad
$569 Roundtrip, found 16 hours ago
$569
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu, Aug 7 from Houston to Trinidad, returning Thu, Aug 14, priced at $569 found 16 hours ago
American Airlines
Thu, Aug 14 - Thu, Aug 21
IAH
Houston
POS
Trinidad
$574 Roundtrip, found 16 hours ago
$574
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Houston to Trinidad, returning Thu, Aug 21, priced at $574 found 16 hours ago
American Airlines
Wed, Aug 13 - Mon, Aug 18
IAH
Houston
POS
Trinidad
$578 Roundtrip, found 1 day ago
$578
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 13 from Houston to Trinidad, returning Mon, Aug 18, priced at $578 found 1 day ago
JetBlue Airways
Wed, Sep 24 - Wed, Oct 1
IAH
Houston
POS
Trinidad
$670 Roundtrip, found 16 hours ago
$670
Roundtrip
found 16 hours ago
Select JetBlue Airways flight, departing Wed, Sep 24 from Houston to Trinidad, returning Wed, Oct 1, priced at $670 found 16 hours ago
Air Canada
Tue, Nov 4 - Sat, Nov 8
IAH
Houston
POS
Trinidad
$727 Roundtrip, found 1 hour ago
$727
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Tue, Nov 4 from Houston to Trinidad, returning Sat, Nov 8, priced at $727 found 1 hour ago
Copa
Thu, Oct 23 - Tue, Oct 28
IAH
Houston
POS
Trinidad
$1,014 Roundtrip, found 4 hours ago
$1,014
Roundtrip
found 4 hours ago
Select Copa flight, departing Thu, Oct 23 from Houston to Trinidad, returning Tue, Oct 28, priced at $1,014 found 4 hours ago

Find the cheapest month to fly from Houston (IAH) to Piarco (POS)

November is typically the cheapest month to fly

From $502 - $1,566 per traveler.

Graph displaying average flight prices per month

Alternative airports near Piarco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Piarco Intl. POS. Cheapest option available. Flights from $848
POS
Piarco Intl.
Cheapest
Flights from $848
Flights from Houston (IAH) to Port of Spain (POS)
Origin airport
George Bush Intercontinental
Destination airport
Piarco Intl.
Airlines serving
Air Canada, American Airlines, Copa, JetBlue Airways, United
Roundtrip price
$543
Distance
2562 mi
Average flight time
4 hours 35 mins

Houston to Port of Spain Flights

The cheapest times to fly from Houston to Port of Spain

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Port of Spain are during the month of November. You can find some of the cheapest flights from Houston to Port of Spain with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Port of Spain

Sunday is one of the best days to book for cheap flights from Houston to Port of Spain: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Port of Spain

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Port of Spain in 2025. You can also book with separate airlines for your outbound and return journeys, from $308 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Port of Spain flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Port of Spain airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS) cost?
Cheap round-trip flights from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS) start from $545. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving IAH on August 2 2025 and touching down at POS. The price was last updated on July 7 2025 and has not changed since.
What is the cheapest month to fly from IAH to POS?
The cheapest flights from IAH to POS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS)?
Take a direct flight with United Airlines and fly straight from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS).
What is the cheapest airline that flies from IAH to POS?
Currently, the cheapest carrier operating one-way flights from IAH to POS is United. You can book a seat on this route from $308. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAH on October 2 2025. Prices were last updated on July 7 2025 and have not changed since.
How many flights per day from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS)?
On average, there is just 1 nonstop flight leaving from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS) per day. If this doesn't fit your plans, consider flights with a layover. Just customize your search on Expedia to include one stop or more to discover the next best option.
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS)?
Flights between IAH and POS are their busiest at 5 PM. For a quieter trip and potentially cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from IAH to POS?
If you fly on a Saturday, you'll get the biggest range of choices for flights from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS)?
Take the earliest flight at around 5:03PM UTC-6, departing from George Bush Intercontinental Airport (IAH). You'll be flying for about 5h 20m, arriving at Piarco Intl. Airport (POS) at approximately 12:23AM UTC-4.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS)?
It usually takes 5 hours and 20 minutes to fly the 2,600 mi from IAH to POS.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS)?
To arrive at Piarco Intl. Airport (POS) without delays, choose a flight that leaves from George Bush Intercontinental Airport (IAH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Port of Spain from George Bush Intercontinental Airport (IAH)?
Piarco Intl. Airport (POS) is the only airport in Port of Spain with direct flights from George Bush Intercontinental Airport (IAH). Compare the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS) last-minute?
Booking your ticket from IAH to POS right before your journey is typically more expensive. But if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an IAH to POS flight and hotel package?
Securing an IAH to POS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Piarco Intl. Airport (POS)?
Generally, it's possible to cancel or reschedule your IAH to POS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.