✈️ Flight Guide: Ontario (ONT) → Houston (IAH)

Nonstop flights from Ontario International Airport (ONT) to George Bush Intercontinental Airport (IAH) usually take about 3 hours and 45 minutes to 4 hours depending on winds and routing. Connecting itineraries via hubs can add 1–4+ hours of layover time. For the most accurate flight time check live schedules and consider airlines' published block times.

Yes, in October you can typically find nonstop service between Ontario International Airport (ONT) and George Bush Intercontinental Airport (IAH) on select carriers, though frequency is reduced compared with major hubs. October schedules often reflect airline seasonal adjustments, so book early and check weekly timetables. Use the carriers' route pages or OTA search filters to find direct flights for your travel dates.

Ontario International Airport (ONT) offers rental cars, app-based ride services, and shared shuttles to nearby destinations like Los Angeles, Anaheim, Riverside and San Bernardino. For early morning flights to IAH, plan for extra traffic time: weekday rush hours can add 30–60 minutes to ground travel. If parking at ONT, reserve long-term lots in advance for the best rates.

TSA security procedures at Ontario International Airport (ONT) follow standard U.S. regulations year-round; in October expect moderate passenger volumes outside holiday peaks. Arrive 90 minutes before domestic departures and allow extra time if traveling with checked bags or during weekend peaks. Check TSA PreCheck or CLEAR availability and review airline carry-on and checked baggage rules to avoid surprises at the gate.

October can be a convenient month for business travel from Ontario International Airport (ONT) to George Bush Intercontinental Airport (IAH) because it falls outside the summer peak and major winter holiday rush, often yielding lower fares and steadier schedules. However, be mindful of residual hurricane season impacts in the Gulf Coast region that can occasionally disrupt travel. Book refundable fares or trip protection if your meeting dates are critical.

Ontario International Airport (ONT) is a gateway to Southern California destinations including Los Angeles, Anaheim (Disneyland), Riverside, San Bernardino, Palm Springs and Long Beach. Many travelers combine ground travel to theme parks, convention centers, or inland Southern California business districts before taking an ONT to IAH flight. Plan ground transfers in advance for tight connections.

Upon arrival at George Bush Intercontinental Airport (IAH), domestic passengers from Ontario International Airport (ONT) disembark to their gate area, collect checked baggage at the designated carousel, and proceed to ground transportation or rental car services. Allow 30–60 minutes after landing to exit the terminal, but factor in longer times during peak hours or if multiple flights land simultaneously. IAH has multiple terminals connected by the Skyway and shuttle buses for inter-terminal transfers.

October in Houston features warm, humid days with average highs in the low 80s°F (around 27–28°C) and cooler nights. It's also near the tail end of Atlantic hurricane season, so occasional tropical systems or heavy rain can cause delays or diversions. Check NOAA forecasts and your airline for real-time updates before traveling and allow extra time for ground transportation if storms are forecast.

From George Bush Intercontinental Airport (IAH) you can take rideshares (Uber/Lyft), airport shuttle services, taxis, or rental cars to reach downtown Houston, The Woodlands, Sugar Land, and Galveston. METRO does not directly serve IAH with rail but offers bus links; for Galveston consider shared shuttle or driving (about 1–1.5 hours). During October, plan for event traffic around sporting events or local festivals and book rides early for evening arrivals.

Yes — October hosts NFL games at NRG Stadium (Houston Texans), and nearby events such as the Texas Renaissance Festival (outside Houston) and Austin City Limits in Austin can increase demand for hotel rooms and ground transportation. If you're arriving for an October event, arrive a day early to avoid last-minute delays and reserve hotels and transportation well in advance. Use fare alerts for return flights and consider flexible tickets in case event schedule changes affect travel.

For domestic travelers arriving from Ontario International Airport (ONT), standard U.S. domestic baggage claim procedures apply at George Bush Intercontinental Airport (IAH). There is no customs process for domestic flights. If you have connecting international flights from IAH, follow signage to customs and international connections. Check airline baggage policies prior to travel to avoid fees or oversized bag issues at the arrival carousel.

George Bush Intercontinental Airport (IAH) is a gateway to Houston and nearby destinations like The Woodlands, Sugar Land, Galveston, NASA Johnson Space Center (Clear Lake), as well as road connections to Austin and San Antonio for multi-city itineraries. Many travelers use IAH to access business hubs in downtown Houston or leisure trips to the Gulf Coast beaches at Galveston. Consider rental cars for flexible regional exploration.