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

Find The Best Day To Fly from Houston to Port of Spain

Amazing United IAH to POS Flight Deals

The cheapest flights to Piarco Intl. found within the past 7 days were $544 round trip and $308 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Sep 16 - Mon, Sep 22

IAH

Houston

POS

Trinidad

$544

Roundtrip

found 1 day ago

Sun, Feb 8 - Mon, Feb 16

IAH

Houston

POS

Trinidad

$668

Roundtrip

found 3 days ago

Tue, Sep 16 - Mon, Sep 22

IAH

Houston

POS

Trinidad

$674

Roundtrip

found 1 day ago

Thu, Aug 14 - Thu, Aug 21

IAH

Houston

POS

Trinidad

$679

Roundtrip

found 2 days ago

Mon, Jun 22 - Mon, Jun 29

IAH

Houston

POS

Trinidad

$721

Roundtrip

found 1 hour ago

Mon, Jun 22 - Mon, Jun 29

IAH

Houston

POS

Trinidad

$1,132

Roundtrip

found 1 hour ago

Frequently asked questions

Can I catch a flight from Houston Airport to Piarco Intl. Airport (POS) right now?

For information on any current Piarco Intl. Airport travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Check before you arrange your flight, so you don't get caught out en route.

What terminal is United Airlines at Houston Airport?

Flights normally set off from terminal E at IAH if you've booked a ticket with United Airlines. Flying to Piarco Intl. Airport (POS)? Contact your airline (or do some online research) to find out which terminal you'll be disembarking at.

Are there United Airlines non-stop flights from IAH to POS?

You'll be pleased to hear you can fly direct from George Bush Intercontinental Airport (IAH) to POS with United Airlines and avoid layovers. The less time you spend en route, the more time you'll have for fun adventures.

How long is a United Airlines flight from IAH to POS?

Depending on good weather and no delays, your United Airlines flight from Houston Airport to POS should take on average 5 hours and 20 minutes. You'll have plenty of time to order your favorite drink, squeeze in a snooze and review your travel schedule before you hit the tarmac.

What type of aircraft does United Airlines fly from IAH to POS?

United Airlines generally uses the Boeing 737-800 on the IAH to POS route.

How many direct and indirect flights does United Airlines fly from IAH to POS?

It shouldn't be too difficult matching up your vacation dates with the flight schedule from United Airlines. The airline flies from George Bush Intercontinental Airport (IAH) to POS 17 times every month.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Piarco Intl. Airport (POS), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Houston IAH to Port of Spain POS

To find the best deals on flights to Houston from Port of Spain with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.

Return flights from Houston IAH to Port of Spain POS with United

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $544 to $1,132, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.

Book one-way United flights from Houston IAH to Port of Spain POS

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Houston to Port of Spain costs from $308. Prices and availability subject to change. Additional terms may apply.

The easy way to find cheap flights to Port of Spain POS from Houston IAH with United

To find a cheap United flight from Houston IAH to Port of Spain POS, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.

How to find our best airfare deals on United flights from Houston IAH to Port of Spain POS

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover.

Find nonstop flights from Houston IAH to Port of Spain POS with United

If you’re keen to be on Port of Spain soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.

Flexible airline tickets for United flights from Houston IAH to Port of Spain POS

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.

There are a lot of reasons to book your flights to Port of Spain POS from Houston IAH with United on Travelocity

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Airport code	Country	Airport name	Number of flights
ORD	USA	O'Hare Intl.	227
DEN	USA	Denver Intl.	226
IAH	USA	George Bush Intercontinental	136
IAD	USA	Washington Dulles Intl.	100
SFO	USA	San Francisco Intl.	64
LAX	USA	Los Angeles Intl.	23
EWR	USA	Liberty Intl.	20
FRA	DEU	Frankfurt Intl.	19
NRT	JPN	Narita Intl.	19
PEK	CHN	Capital Intl.	16

Travelers ❤️ these 🏨 after their flight to Port of Spain

Holiday Inn Express Hotel & Suites Trincity Trinidad Airport by IHG

No 1 Exposition Drive, Piarco, Trinidad

This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free airport ...

8.4/10 Very Good! (1,002 reviews)

"Everything was great until I could not get into my room! They fixed the problem within 45 minutes but it happened twice! Luckily I was not in dire need of my medication or other things that were all on the other side of the door!"

Reviewed on Jul 29, 2025

Airport Suites Hotel

7 Factory Road, Golden Grove, Piarco, Trinidad

This hotel features a restaurant, an outdoor pool, and a bar/lounge. Traveling on business? Take advantage of the free WiFi in public areas, laundry service, ...

5.8/10 (982 reviews)

"Early check-in"

Reviewed on Jul 20, 2025

Regent Star Hotel

118-119 BWIA Boulevard, Piarco, Trinidad

A restaurant and an outdoor pool are featured at this hotel. Traveling on business? Take advantage of the free WiFi in public areas, laundry service, and free ...

6.6/10 (327 reviews)

"Very nice"

Reviewed on Apr 30, 2025

Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.