NASA Johnson Space Center (Space Center Houston)
NASA Mission Control + Apollo + Space Shuttle exhibits. USD 30 entry. 3-4 hours easily. The Houston essential.

George Bush Intercontinental Airport (IAH) · USA
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Quick answer
Entry
Same USA rules — ESTA or visa required. International connecting at IAH must clear immigration. Terminals A, B = United domestic; Terminal D + E = international.
Into town
Metro 102 Express bus (to downtown): 60–80 min, USD 4.50.
Time outside
Stay airside — 3h is too tight
Times from IAH arrivals. Check entry rules for your passport before you fly.
The sights in Houston worth leaving the airport for.
NASA Mission Control + Apollo + Space Shuttle exhibits. USD 30 entry. 3-4 hours easily. The Houston essential.
19 museums (Houston Museum of Fine Arts, Museum of Natural Science) + Hermann Park + Houston Zoo. Free Thursdays for most museums.
Free walking park along Buffalo Bayou + Discovery Green public space + outdoor ice skating in winter.
Gulf Coast beach 80 minutes south of Houston. Galveston Pier + The Strand historic district. For full-day excursions.
Photo: Unknown authorUnknown author, Public domain, via Wikimedia Commons.
Pick the plan that fits the time between your flights.
You are hereStay airside — 3h is too tight
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Insider tip
IAH is 37km from downtown Houston — Metro 102 Express bus (USD 4.50, 60-80 min) is the cheapest. Uber + Lyft USD 50-75 (no surge to airport). Houston traffic is among the worst in the US — allow 2 hours for any return trip during rush hour. For 6+ hour layovers: NASA Space Center is the must-visit.
| Mode | Cost | Time |
|---|---|---|
| Metro 102 Express bus (to downtown) | USD 4.50 | 60–80 min |
| Taxi / Uber / Lyft | USD 50–75 | 30–60 min |
Tex-Mex breakfast tacos at El Tiempo (Memorial). Pho + Vietnamese coffee at Pho Binh on Bellaire. Beer + boudin at Antone's Famous Po Boys.
0–30 min
Stay airside and find your departure area
With 3 hours, leaving George Bush Intercontinental Airport is risky: passport control, the trip into Houston and security on the way back take most of the time.
30–120 min
Eat, rest or use a lounge airside
Check the departures board for your gate before you settle in.
120–180 min
Go to your gate
Allow at least 30 minutes for security checks and the walk to the gate.
Same USA rules — ESTA or visa required. International connecting at IAH must clear immigration. Terminals A, B = United domestic; Terminal D + E = international. Check the rules for your own passport before you fly.
Stay airside — 3h is too tight. Getting into Houston by Metro 102 Express bus (to downtown) takes 60–80 min each way.
Metro 102 Express bus (to downtown): 60–80 min, USD 4.50. Taxi / Uber / Lyft: 30–60 min, USD 50–75.
Skip the taxi rank and lock in your fare before you land.
Pre-book a fixed-price transfer
Our pickDriver waits at arrivals with your name, tracks your flight, and the price you see is the price you pay. English-speaking, fixed price. No surge, no haggling at 2am.
Check transfer pricesRenting a car instead? Compare rentals with free cancellation.Compare overland routes — often cheaper, more scenic and skip the airport queue.
Stay connected abroad — no roaming bills
Buy a travel eSIM before you fly and install it by QR code.
See each airline’s route map: where else it flies from IAH.
Wait for your flight in a lounge — one membership covers lounges at airports across the country and worldwide.
Weekly layover, flight + hotel deals. No spam.

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Same USA rules — ESTA or visa required. International connecting at IAH must clear immigration. Terminals A, B = United domestic; Terminal D + E = international.

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Metro 102 Express bus (to downtown): 60–80 min, USD 4.50.
Photo: Artem Yellow on Pexels.
03
Allow at least 30 minutes for security checks and the walk to the gate.
Tours, tickets and day trips that fit between your flights.