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
Photo: Erik Mclean on Pexels.
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
4–5 hours in the city (stay close)
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.

Stay airside — 3h is too tight
See the 3-hour planPhoto: Atlantic Ambience on Pexels.
4–5 hours in the city (stay close)
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.
0–45 min
Clear passport control
Only leave the airport if your passport and visa allow entry; see the entry note above.
45–90 min
Into Houston: Metro 102 Express bus (to downtown)
60–80 min, USD 4.50.
90–210 min
NASA Johnson Space Center (Space Center Houston)
NASA Mission Control + Apollo + Space Shuttle exhibits. USD 30 entry. 3-4 hours easily. The Houston essential.
210–270 min
Eat before you head back
Tex-Mex breakfast tacos at El Tiempo (Memorial). Pho + Vietnamese coffee at Pho Binh on Bellaire. Beer + boudin at Antone's Famous Po Boys.
270–360 min
Back to George Bush Intercontinental Airport
Head back to George Bush Intercontinental Airport by Metro 102 Express bus (to downtown) (60–80 min, USD 4.50). Be at the airport at least 2 hours before your flight.
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.
4–5 hours in the city (stay close). 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.Lock in a few experiences before you go — the good ones sell out.
Tours, tickets & day trips
Our pickGetYourGuide has the deepest catalogue for Houston and free cancellation on most experiences — book now, decide later.
Browse Houston
Photo: Engin Akyurt on Pexels.
A day-use hotel near the airport is a great option for a 6-hour layover.
Find hotels in Houston
Hotels, hostels & more · Expedia
See each airline’s route map: where else it flies from IAH.
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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.

02
Metro 102 Express bus (to downtown): 60–80 min, USD 4.50.
Photo: Artem Yellow on Pexels.
03
Head back to George Bush Intercontinental Airport by Metro 102 Express bus (to downtown) (60–80 min, USD 4.50). Be at the airport at least 2 hours before your flight.
Tours, tickets and day trips that fit between your flights.