Houston to Port of Spain (IAH–POS) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAH–POS is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 2,563 miles in approximately 5h 9m. Beyond nonstop, 12 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 7 | 7M8 | 5h09 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
IAH: CDT · POS: AST
When it's 6:00 PM in Houston, it's 7:00 PM in Port of Spain.
US passport holders enter Trinidad and Tobago visa-free for up to 90 days. No advance application is needed. Passport must be valid for the duration of the stay. A return or onward ticket and proof of accommodation are required. At Piarco International Airport (POS) in Trinidad or A.N.R. Robinson International Airport (TAB) in Tobago, immigration stamps your passport.
Trinidad and Tobago is a twin-island republic 11km off the coast of Venezuela. Trinidad is the larger, more urbanized island: Port of Spain hosts Carnival (the Monday and Tuesday before Ash Wednesday), one of the Caribbean's biggest street festivals. Tobago is quieter, with reef diving at Speyside, the oldest protected rainforest in the Western Hemisphere (Main Ridge Forest Reserve, established 1776), and beaches at Pigeon Point and Englishman's Bay. Caribbean Airlines operates the inter-island "air bridge" between POS and TAB (20 minutes, about 15 flights per day).
Direct flights from Miami (MIA) to Port of Spain run about 3 hours 30 minutes on American Airlines and Caribbean Airlines. New York JFK to POS runs about 5 hours on JetBlue and Caribbean Airlines. Fort Lauderdale and Houston also have nonstop service. Trinidad and Tobago uses the Trinidad and Tobago dollar (TTD), trading at roughly 6.80 TTD per $1. US dollars are accepted at hotels and tourist businesses. ATMs are common. Card payments work at restaurants and shops. Maxi-taxis (minibuses color-coded by route) are the main public transport at TTD 4 to TTD 8 per ride. Water taxis connect Port of Spain to San Fernando (1 hour, TTD 15) along the western coast of Trinidad.
IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.
IAH–POS Quick Facts
Frequently Asked Questions
Flights from IAH to POS
George Bush Intercontinental Airport (IAH) and Piarco International Airport (POS) are connected by nonstop service from United Airlines. With 7 weekly departures, this is a regularly served route.
IAH to POS Flight Duration and Schedule
Nonstop flight time from IAH to POS ranges from 5 hours 9 minutes. The route covers a distance of 2,563 miles (4,124 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.
Connecting Options and Alternatives
12 one-stop connections are available, with the fastest taking approximately 8 hours via MTY. Two-stop connections are also available via intermediate hubs.