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$221+ Cheap flights from Port of Spain (POS) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
POS — HOU
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Cheap flight deals from Port of Spain to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Port of Spain (POS) to Houston (HO1). 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 November 10, 2025.

Round-trip from

$512
(Kiwi.com)

One-way from

$221
(Trip.com)

Popular in

January

Cheapest in

April

Average price

$675
From Port of Spain Piarco Intl to Houston
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One-way flight from Port of Spain Piarco Intl to Houston
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Highest demand for flights based on searches. 16% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Port of Spain to Houston

Cheapest flights from Port of Spain to Houston
Explore the most affordable flight options available from Port of Spain to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:30 amPOS - IAH
Nonstop6h 03mUnited Airlines
Wed 1/75:03 pmIAH - POS
Nonstop5h 20mUnited Airlines
Deal found 11/9$598
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:02 amPOS - IAH
1 stop17h 58mAmerican Airlines
Tue 1/1311:18 amIAH - POS
1 stop9h 30mAmerican Airlines
Deal found 11/9$613
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:30 amPOS - IAH
Nonstop6h 03mUnited Airlines
Wed 1/75:03 pmIAH - POS
Nonstop5h 20mUnited Airlines
Deal found 11/9$620
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:02 amPOS - IAH
1 stop17h 58mAmerican Airlines
Wed 1/77:37 amIAH - POS
1 stop13h 11mAmerican Airlines
Deal found 11/8$635
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:46 pmPOS - IAH
1 stop18h 13mAmerican Airlines
Wed 1/711:18 amIAH - POS
1 stop9h 30mAmerican Airlines
Deal found 11/9$641
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:30 amPOS - IAH
Nonstop6h 03mUnited Airlines
Sat 1/105:03 pmIAH - POS
Nonstop5h 20mUnited Airlines
Deal found 11/9$643
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:33 pmPOS - IAH
1 stop10h 26mAmerican Airlines
Sat 1/107:37 amIAH - POS
1 stop13h 11mAmerican Airlines
Deal found 11/9$658
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:33 pmPOS - HOU
2 stops19h 08mAmerican Airlines
Sat 1/106:00 amHOU - POS
2 stops14h 48mAmerican Airlines
Deal found 11/9$662
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:19 amPOS - HOU
2 stops14h 31mAmerican Airlines
Tue 12/99:02 amHOU - POS
2 stops12h 57mAmerican Airlines
Deal found 11/7$741
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:33 pmPOS - HOU
2 stops19h 05mAmerican Airlines
Thu 12/115:44 amHOU - POS
2 stops16h 15mAmerican Airlines
Deal found 11/8$825
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/144:33 pmPOS - HOU
2 stops17h 59mAmerican Airlines
Tue 12/235:40 amHOU - POS
2 stops16h 06mAmerican Airlines
Deal found 11/9$1,056
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:02 amPOS - HOU
2 stops11h 47mAmerican Airlines
Tue 12/238:20 pmHOU - POS
2 stops17h 24mAmerican Airlines
Deal found 11/9$3,199

Cheapflights Fare Finder

 
Customize your flight search to find flights from Port of Spain to Houston 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 2,558,603 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Port of Spain to Houston that are best for you.

Fly from

Port of Spain

Fly to

Houston

Route

Depart

Return

Price

Port of SpainHouston

POS - IAH

POSIAH

Port of Spain Piarco Intl

Thu 2/26

1:30 am-5:33 am

Nonstop6h 03m

Houston George Bush Intcntl

Tue 3/3

5:03 pm-12:23 am

Nonstop5h 20m

$598

Port of SpainHouston

POS - IAH

POSIAH

Port of Spain Piarco Intl

Sun 12/21

1:30 am-5:33 am

Nonstop6h 03m

Houston George Bush Intcntl

Wed 1/7

5:03 pm-12:23 am

Nonstop5h 20m

$598

Port of SpainHouston

POS - IAH

POSIAH

Port of Spain Piarco Intl

Sun 1/11

1:30 am-5:33 am

Nonstop6h 03m

Houston George Bush Intcntl

Mon 2/2

5:03 pm-12:23 am

Nonstop5h 20m

$598

Port of SpainHouston

POS - IAH

POSIAH

Port of Spain Piarco Intl

Wed 12/24

6:02 am-10:00 pm

1 stop17h 58m

Houston George Bush Intcntl

Tue 1/13

6:00 am-10:48 pm

2 stops14h 48m

$617

Port of SpainHouston

POS - HOU

POSHOU

Port of Spain Piarco Intl

Sat 12/13

4:33 pm-8:33 am

2 stops18h 00m

Houston Hobby

Sat 1/10

6:00 am-10:48 pm

2 stops14h 48m

$662

Port of SpainHouston

POS - HOU

POSHOU

Port of Spain Piarco Intl

Mon 11/24

7:19 am-7:50 pm

2 stops14h 31m

Houston Hobby

Tue 12/9

9:02 am-11:59 pm

2 stops12h 57m

$741

Port of SpainHouston

POS - HOU

POSHOU

Port of Spain Piarco Intl

Fri 2/13

6:00 pm-11:46 am

2 stops19h 46m

Houston Hobby

Sat 2/21

4:22 pm-3:30 pm

2 stops21h 08m

$758

Port of SpainHouston

POS - HOU

POSHOU

Port of Spain Piarco Intl

Sat 4/4

3:34 pm-8:41 am

2 stops18h 07m

Houston Hobby

Sat 4/11

6:31 pm-2:00 pm

2 stops18h 29m

$780

Port of SpainHouston

POS - HOU

POSHOU

Port of Spain Piarco Intl

Fri 2/27

4:47 pm-11:46 am

2 stops20h 59m

Houston Hobby

Tue 3/3

12:16 pm-3:30 pm

2 stops25h 14m

$808

Port of SpainHouston

POS - HOU

POSHOU

Port of Spain Piarco Intl

Mon 12/8

4:33 pm-9:38 am

2 stops19h 05m

Houston Hobby

Thu 12/11

5:44 am-11:59 pm

2 stops16h 15m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/7

Showing 1-10 of 19 results
1
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Best time to book a flight from Port of Spain to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Port of Spain with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Port of Spain to Houston

What is the cheapest month to book a flight from Port of Spain to Houston?

Currently, December is the cheapest month in which you can book a flight from Port of Spain to Houston (average of $592). Flying from Port of Spain to Houston in November is currently the most expensive (average of $623). 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.

What is the cheapest time of day to fly from POS to HOU?

Find hourly flight availability from Port of Spain to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

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

How much does it cost to fly round-trip from Port of Spain to Houston?

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated November 10, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Port of Spain to Houston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,012 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,012 reviews
United Airlines
7.4
Good
9,012 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,045 reviews
United Airlines
7.4
Good
9,012 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

  • What airport do you fly from for flights from Port of Spain to Houston?

    Most people fly from Port of Spain Piarco Intl (POS) if they book a flight from Port of Spain to Houston. On average, Piarco Intl has 0 outbound flights to Houston per day from 2 airlines. Port of Spain Piarco Intl is conveniently located just 12.6 mi from Port of Spain’s city center.

  • How long is the flight from Port of Spain to Houston?

    For as low as $598, United Airlines can have you in Houston from Port of Spain in 6h 03m. Port of Spain and Houston are separated by a distance of 2561 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Port of Spain to Houston round-trip?

    Currently priced at $596, United Airlines will fly you from Port of Spain to Houston and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $612. United Airlines is priced at 17% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Port of Spain to Houston that include hotel bookings?

    Yes. In addition to deals on Port of Spain to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Port of Spain to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Port of Spain to Houston.

  • Can I find deals for business class flights from Port of Spain to Houston?

    Yes. Cheapflights offers flight deals from Port of Spain to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Port of Spain to Houston?

    Currently, December is the cheapest month in which you can book a flight from Port of Spain to Houston (average of $592). Flying from Port of Spain to Houston in November is currently the most expensive (average of $623). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Port of Spain to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Port of Spain to Hobby flights
Port of Spain to George Bush Intcntl flights
Port of Spain to Dallas/Fort Worth flights

Top 2 airlines flying from Port of Spain to Houston

Discover the top 2 airlines that operate flights from Port of Spain to Houston. 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 2,558,603 searches. Data last updated November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$596Average$668FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$612Average$715FlexibilityNo cancel feeOn-time71%

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