$390 Cheap Flights from Port of Spain (POS) to Houston (IAH)

View $390 flight on Thu, Oct 2, 2025Opens in a new window

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

  • 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

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

Prices were available within the past 7 days and start at $390 for one-way flights and $598 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 2 - Tue, Oct 14
POS
Trinidad
IAH
Houston
$598 Roundtrip, found 11 hours ago
$598
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Oct 2 from Trinidad to Houston, returning Tue, Oct 14, priced at $598 found 11 hours ago
United
Thu, Dec 11 - Mon, Jan 5
POS
Trinidad
IAH
Houston
$602 Roundtrip, found 2 days ago
$602
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 11 from Trinidad to Houston, returning Mon, Jan 5, priced at $602 found 2 days ago
American Airlines
Wed, Sep 10 - Tue, Sep 16
POS
Trinidad
IAH
Houston
$612 Roundtrip, found 5 hours ago
$612
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Trinidad to Houston, returning Tue, Sep 16, priced at $612 found 5 hours ago
American Airlines
Tue, Aug 26 - Tue, Sep 2
POS
Trinidad
IAH
Houston
$617 Roundtrip, found 14 hours ago
$617
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Aug 26 from Trinidad to Houston, returning Tue, Sep 2, priced at $617 found 14 hours ago
United
Mon, Dec 22 - Wed, Jan 7
POS
Trinidad
IAH
Houston
$619 Roundtrip, found 2 days ago
$619
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 22 from Trinidad to Houston, returning Wed, Jan 7, priced at $619 found 2 days ago
United
Sat, Dec 6 - Mon, Dec 29
POS
Trinidad
IAH
Houston
$620 Roundtrip, found 11 hours ago
$620
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Dec 6 from Trinidad to Houston, returning Mon, Dec 29, priced at $620 found 11 hours ago
American Airlines
Wed, Feb 11 - Sun, Feb 22
POS
Trinidad
IAH
Houston
$623 Roundtrip, found 3 days ago
$623
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Feb 11 from Trinidad to Houston, returning Sun, Feb 22, priced at $623 found 3 days ago
JetBlue Airways
Wed, Sep 17 - Wed, Sep 24
POS
Trinidad
IAH
Houston
$737 Roundtrip, found 14 hours ago
$737
Roundtrip
found 14 hours ago
Select JetBlue Airways flight, departing Wed, Sep 17 from Trinidad to Houston, returning Wed, Sep 24, priced at $737 found 14 hours ago
Air Canada
Mon, Sep 8 - Fri, Sep 12
POS
Trinidad
IAH
Houston
$776 Roundtrip, found 2 hours ago
$776
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Mon, Sep 8 from Trinidad to Houston, returning Fri, Sep 12, priced at $776 found 2 hours ago
Copa
Wed, Sep 3 - Sun, Sep 14
POS
Trinidad
IAH
Houston
$1,121 Roundtrip, found 5 days ago
$1,121
Roundtrip
found 5 days ago
Select Copa flight, departing Wed, Sep 3 from Trinidad to Houston, returning Sun, Sep 14, priced at $1,121 found 5 days ago

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

September is typically the cheapest month to fly

From $548 - $1,015 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $880
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $880
Flights from Port of Spain (POS) to Houston (IAH)
Origin airport
Piarco Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, American Airlines, Copa, JetBlue Airways, United
Roundtrip price
$597
Distance
2562 mi
Average flight time
6 hours 48 mins

Port of Spain to Houston Flights

The cheapest times to fly from Port of Spain to Houston

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 Port of Spain to Houston are during the month of October. You can find some of the cheapest flights from Port of Spain to Houston with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Port of Spain to Houston: 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 Port of Spain to Houston

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 Port of Spain to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $390 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 Port of Spain to Houston 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 Port of Spain to Houston 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 Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH) cost?
You can pick up cheap return flights starting from $598 from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH). 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 POS on August 9 2025 and touching down at IAH. The price was last updated on July 14 2025 and has not changed since.
What is the cheapest month to fly from POS to IAH?
Fly straight from POS to IAH in February to score cheaper fares. You can find a one-way United flight for $390 leaving on February 12 2026. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 14 2025 and remains unchanged.
Which airlines fly direct from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH)?
Board a direct flight with United Airlines and head straight from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH).
What is the cheapest airline that flies from POS to IAH?
Right now, the cheapest airline operating one-way flights from POS to IAH is United. You can book a seat on this route from $390. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from POS on October 9 2025. Prices were last updated on July 14 2025 and have not changed since.
How many flights per day from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH)?
On average, Piarco Intl. Airport (POS) only has 1 nonstop flight to George Bush Intercontinental Airport (IAH) each day. To explore more options, try our easy-to-use filter tool. Enter your preferred travel dates, then select "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH)?
Flights between POS and IAH tend to be busiest at 1 AM. If you want a less crowded experience and potentially cheaper fares, look for a departure that's outside typical rush times.
What day of the week has the most flights from POS to IAH?
Friday has the most flights from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH). Consider jetting off on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH)?
Piarco Intl. Airport (POS)'s first flight to George Bush Intercontinental Airport (IAH) departs at approximately 1:30AM UTC-4. With a total travel time of 6h 3m, you'll land at around 5:33AM UTC-6.
How long does it take to fly from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH)?
The average flight duration from POS to IAH is 6 hours and 3 minutes, covering a distance of 2,600 mi.
What airline has the least delays from POS to IAH?
United Airlines has the best track record for on-time direct flights from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH), with an on-time rating of 86%. Use the Expedia App to see your flight schedule before you leave and get notified of any changes.
What is the best time to fly from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH)?
Book a flight from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Houston from Piarco Intl. Airport (POS)?
George Bush Intercontinental Airport (IAH) is the only airport in Houston with direct flights from Piarco Intl. Airport (POS). Check out your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH) last-minute?
Holding off until just before your trip to book a flight from POS to IAH generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a POS to IAH flight and hotel package?
You'll typically save money by booking a POS to IAH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to George Bush Intercontinental Airport (IAH)?
You can usually reschedule or cancel your POS to IAH flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to 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.

Explore a world of travel with Expedia

*Available to One Key members.