Direct (nonstop) flights from Guanacaste to Houston
1 airline flys nonstop from Daniel Oduber Quiros International (LIR) to George Bush Intcntl Houston (IAH). It's 1,475 miles (2,374 km), about 3h 43m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Guanacaste to Houston with one stop · direct emits 249 kg CO₂ per passenger
Looking for the return flight?
IAH → LIR: Flights from Houston to GuanacasteOther direct flights from Guanacaste
Direct flights from Houston (IAH)
Frequently Asked Questions
How long is the direct flight from Guanacaste to Houston?
A nonstop flight from Guanacaste (LIR) to Houston (IAH) takes approximately 3 hours and 43 minutes. The distance is 1,475 miles (2,374 km).
Which airlines fly nonstop from Guanacaste to Houston?
Just United Airlines.
Is there a nonstop flight from Guanacaste to Houston?
Yes. 1 airline: United Airlines.
How far is Guanacaste from Houston?
The flight distance from Guanacaste to Houston is 1,475 miles (2,374 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What is the time difference between Guanacaste and Houston?
Houston is 1 hour behind Guanacaste. (America/Costa_Rica vs America/Chicago.)
What type of aircraft flies from Guanacaste to Houston?
At 3h 43m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Costa Rica to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Guanacaste to Houston?
Roughly 249 kg CO2 per passenger one-way. That's about the same as driving 1,245 km.
Is the return flight from Houston to Guanacaste also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Guanacaste to Houston?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Daniel Oduber Quiros International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.