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

View $308 flight on Tue, Jul 15, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

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
Tue, Jun 24 - Fri, Jul 4
IAH
Houston
POS
Trinidad
$544 Roundtrip, just found
$544
Roundtrip
just found
Select United flight, departing Tue, Jun 24 from Houston to Trinidad, returning Fri, Jul 4, priced at $544 just found
American Airlines
Wed, Jun 25 - Wed, Jul 2
IAH
Houston
POS
Trinidad
$558 Roundtrip, just found
$558
Roundtrip
just found
Select American Airlines flight, departing Wed, Jun 25 from Houston to Trinidad, returning Wed, Jul 2, priced at $558 just found
American Airlines
Tue, Jul 1 - Tue, Jul 8
IAH
Houston
POS
Trinidad
$563 Roundtrip, just found
$563
Roundtrip
just found
Select American Airlines flight, departing Tue, Jul 1 from Houston to Trinidad, returning Tue, Jul 8, priced at $563 just found
United
Fri, Jul 18 - Fri, Jul 25
IAH
Houston
POS
Trinidad
$564 Roundtrip, just found
$564
Roundtrip
just found
Select United flight, departing Fri, Jul 18 from Houston to Trinidad, returning Fri, Jul 25, priced at $564 just found
American Airlines
Wed, Oct 22 - Mon, Oct 27
IAH
Houston
POS
Trinidad
$569 Roundtrip, found 3 hours ago
$569
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Houston to Trinidad, returning Mon, Oct 27, priced at $569 found 3 hours ago
American Airlines
Wed, Oct 22 - Mon, Oct 27
IAH
Houston
POS
Trinidad
$573 Roundtrip, found 3 hours ago
$573
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Houston to Trinidad, returning Mon, Oct 27, priced at $573 found 3 hours ago
American Airlines
Tue, Jul 1 - Tue, Jul 8
IAH
Houston
POS
Trinidad
$574 Roundtrip, just found
$574
Roundtrip
just found
Select American Airlines flight, departing Tue, Jul 1 from Houston to Trinidad, returning Tue, Jul 8, priced at $574 just found
JetBlue Airways
Tue, May 20 - Sat, May 24
IAH
Houston
POS
Trinidad
$645 Roundtrip, found 11 hours ago
$645
Roundtrip
found 11 hours ago
Select JetBlue Airways flight, departing Tue, May 20 from Houston to Trinidad, returning Sat, May 24, priced at $645 found 11 hours ago
Air Canada
Mon, May 19 - Mon, May 26
IAH
Houston
POS
Trinidad
$707 Roundtrip, just found
$707
Roundtrip
just found
Select Air Canada flight, departing Mon, May 19 from Houston to Trinidad, returning Mon, May 26, priced at $707 just found
Copa
Thu, May 8 - Mon, May 12
IAH
Houston
POS
Trinidad
$914 Roundtrip, found 4 hours ago
$914
Roundtrip
found 4 hours ago
Select Copa flight, departing Thu, May 8 from Houston to Trinidad, returning Mon, May 12, priced at $914 found 4 hours ago

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 $544. 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 May 19 2025 and touching down at POS. The price was last updated on April 23 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 June 22 2025. Prices were last updated on April 23 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.
*Available to One Key members.