Direct (nonstop) flights from Houston to Guanacaste

1 airline flys nonstop from George Bush Intcntl Houston (IAH) to Daniel Oduber Quiros International (LIR). It's 1,475 miles (2,374 km), about 3h 31m in the air. Operated by United Airlines.

IAH
George Bush Intcntl Houston
🇺🇸 Houston, USA
LIR
Daniel Oduber Quiros International
🇨🇷 Guanacaste, Costa Rica
Flight Time
3h 31m
Distance
1,475 mi
2,374 km
CO₂/pax
249 kg
−56 kg vs. layover
Airlines
1
United Airlines
Time Diff
-1h
Operated by United Airlines United Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
IAH → LIR
Flight Time
3h 31m
Distance
1,475 mi

Alternative Routes

Other ways to fly from Houston to Guanacaste with one stop · direct emits 249 kg CO₂ per passenger

IAH SJO (San Jose) LIR
Leg 1: 3h 42m (1,551 mi) Leg 2: 50m (99 mi) Total: ~4h 32m 🍃 305 kg CO₂ (+22% vs. direct)
Leg 1
IAH → SJO
3h 42m · 1,551 mi
View IAH to SJO flights →
Leg 2
SJO → LIR
50m · 99 mi
View SJO to LIR flights →
IAH DFW (Dallas) LIR
Leg 1: 1h 27m (224 mi) Leg 2: 4h 5m (1,699 mi) Total: ~5h 32m 🍃 354 kg CO₂ (+42% vs. direct)
Leg 1
IAH → DFW
1h 27m · 224 mi
View IAH to DFW flights →
Leg 2
DFW → LIR
4h 5m · 1,699 mi
View DFW to LIR flights →
IAH FLL (Fort Lauderdale) LIR
Leg 1: 2h 36m (966 mi) Leg 2: 3h 2m (1,121 mi) Total: ~5h 38m 🍃 377 kg CO₂ (+51% vs. direct)
Leg 1
IAH → FLL
2h 36m · 966 mi
View IAH to FLL flights →
Leg 2
FLL → LIR
3h 2m · 1,121 mi
View FLL to LIR flights →
IAH MIA (Miami) LIR
Leg 1: 2h 37m (964 mi) Leg 2: 3h 5m (1,100 mi) Total: ~5h 42m 🍃 374 kg CO₂ (+50% vs. direct)
Leg 1
IAH → MIA
2h 37m · 964 mi
View IAH to MIA flights →
Leg 2
MIA → LIR
3h 5m · 1,100 mi
View MIA to LIR flights →
IAH ATL (Atlanta) LIR
Leg 1: 2h 6m (688 mi) Leg 2: 4h (1,586 mi) Total: ~6h 6m 🍃 420 kg CO₂ (+69% vs. direct)
Leg 1
IAH → ATL
2h 6m · 688 mi
View IAH to ATL flights →
Leg 2
ATL → LIR
4h · 1,586 mi
View ATL to LIR flights →

Frequently Asked Questions

How long is the direct flight from Houston to Guanacaste?

A nonstop flight from Houston (IAH) to Guanacaste (LIR) takes approximately 3 hours and 31 minutes. The distance is 1,475 miles (2,374 km).

Which airlines fly nonstop from Houston to Guanacaste?

Just United Airlines.

Is there a nonstop flight from Houston to Guanacaste?

Yes. 1 airline: United Airlines.

How far is Houston from Guanacaste?

The flight distance from Houston to Guanacaste 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 Houston and Guanacaste?

Guanacaste is 1 hour ahead of Houston. (America/Chicago vs America/Costa_Rica.)

What type of aircraft flies from Houston to Guanacaste?

At 3h 31m, 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 USA to Costa Rica?

Depends on your passport. Check with the Costa Rica embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Houston to Guanacaste?

Roughly 249 kg CO2 per passenger one-way. That's about the same as driving 1,245 km.

Is the return flight from Guanacaste to Houston 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 Houston to Guanacaste?

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 George Bush Intcntl Houston for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.