The cheapest times to fly from IAH to POS are

  • January 1st to February 11th
  • March 19th to April 29th (except the week of April 9th)
  • August 13th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAH to POS is late January. Prices can be as high as $1166 for Thursday flights during mid December, or as low as $627 for Tuesday flights around late January.


When to Fly to Port of Spain

Flying from Houston, TX (IAH) to Port of Spain (POS) will usually cost between $660 to $805 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $656. Due to high demand the most expensive time to fly is mid December, with an average price of $851. Planning your trip to low-cost times can easily save you $195 on economy flights and even more on first-class flights. Generally, any price below $693 can be considered a good price for a round-trip IAH to POS flight.

See below for a graph of average weekly prices for the IAH to POS route. All prices are for round-trip tickets in USD.

IAH to POS Flight Prices

Compared to other flights, the IAH to POS flight is cheaper than the average and costs less than the average flight leaving from Houston. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Thursdays are the most expensive days to fly to Port of Spain, and Sundays are the most expensive days to return to Houston. Selecting flights on the least expensive days could save you up to $33 (5%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $694. Return trip prices are from the POS to IAH flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAH to POS can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 5 hour 36 minutes may be realistic.


Flight Hacking IAH to POS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from IAH to POS — but Champion Traveler does!

Hack #1: Miami, FL (IAH > MIA > POS)

  • Price for both tickets: $558
  • Average savings: $135 (19.42%)

See IAH to MIA flights

Hack #2: Atlanta, GA (IAH > ATL > POS)

  • Price for both tickets: $581
  • Average savings: $112 (16.1%)

See IAH to ATL flights

Hack #3: Fort Lauderdale, FL (IAH > FLL > POS)

  • Price for both tickets: $596
  • Average savings: $97 (14.01%)

See IAH to FLL flights


Flight Questions Answered

Still have questions about flying from IAH to POS? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Aeromexico, Air Canada, American, Avianca, Caribbean Airlines, COPA, JetBlue, United, WestJet, and potentially more during busy seasons.

How far away is it from Piarco Airport to George Bush Intercontinental/Houston Airport?

The distance between the two airports is roughly 2562 miles or 4123 kilometers.

How long does it take to fly from IAH to POS?

The real-world flight time for a nonstop IAH to POS flight is about 5 hour 36 minutes.

How many flights go between Houston, TX and Port of Spain?

It depends on the day of the week and the date, but a typical day might have around 59 available flights from IAH to POS.


Airport Location Info


Departing Airport

Origination code IAH
Origination airport name George Bush Intercontinental/Houston Airport
City Houston, TX
Country the United States
Latitude 30
Longitude -95.3

Return Airport

Destination code POS
Destination airport name Piarco Airport
City Port of Spain
Country Trinidad and Tobago
Latitude 10.6
Longitude -61.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.