Travelling from Ontario International Airport (ONT) to George Bush Intercontinental Airport (IAH): what you need to know
The average length of a direct flight from Ontario International Airport to George Bush Intercontinental Airport is 3 hours 5 minutes.
Houston is two hours ahead of Ontario and observes the UTC-5 timezone.
Choose from 13 weekly Ontario International Airport to George Bush Intercontinental Airport flights. The 06:00 departure with United Airlines is the earliest flight available. Frontier Airlines operates the latest service of the day at 17:28.
Give yourself plenty of time to catch your ONT to IAH flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.
During popular months such as August, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during peak periods in general.
Flying into Houston (and then discovering more of United States!) is a snap with Frontier Airlines. This popular carrier has direct flights from Ontario International Airport to George Bush Intercontinental Airport.
The airline with the highest number of bookings on this route is Frontier Airlines.
United Airlines ranks as the leading on-time carrier for ONT to IAH flights, with 81.97% of its services arriving on schedule.
We make it simple to book a flight with a stopover. To see your options for tickets from Ontario International Airport to George Bush Intercontinental Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Some great stopovers between ONT and IAH include:
Phoenix Sky Harbour International Airport
Dallas/Fort Worth International Airport
Harry Reid Airport (formerly McCarran Airport)
How to find the cheapest flights from Ontario International Airport (ONT) to George Bush Intercontinental Airport (IAH)
45 € is currently the best price for a one-way Ontario International Airport to George Bush Intercontinental Airport flight. A return flight starts at 91 €. These prices may change based on demand and availability.
Book six months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from ONT to IAH.
Organise your trip for May. That's the cheapest month for flights from Ontario International Airport to George Bush Intercontinental Airport. If you have flexibility with your dates, try out the 'Whole month' tool to find the cheapest price across each month.
Spend less time searching for cheap flights from ONT to IAH by creating a Price Alert. You'll receive an email or push notification on the app when fares go down.
Secure the ideal flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Ontario International Airport to George Bush Intercontinental Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and journey duration.
Handy information about Ontario International Airport (ONT)
The address for ONT is 2900 E. Airport Drive.
Ontario International Airport gets high marks for its on-time performance. 83.6% of flights that depart ONT arrive at their destination without delay.
To get to Ontario International Airport from central Ontario, it'll take around 10 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 6 kilometres from the airport to the city centre.
The journey on public transport usually takes 1 hour 30 minutes.
Need a convenient hotel near ONT? If you've booked an early flight from Ontario International Airport to George Bush Intercontinental Airport, these stays will put you moments from your departure gate:
Arriving at George Bush Intercontinental Airport (IAH)
Consider booking a hotel close to IAH if you're catching a late Ontario International Airport to George Bush Intercontinental Airport flight. Pick one of these options and skip the long transfer:
Pick up a George Bush Intercontinental Airport rental car and explore Houston and beyond with your own wheels. Dollar, Thrifty and Sixt are well-known companies to choose from here.
For the lowest price, book your vehicle from George Bush Intercontinental Airport about three weeks before travelling.
Getting from George Bush Intercontinental Airport (IAH) to central Houston
IAH is located at 16930 JFK Boulevard.
George Bush Intercontinental Airport to the centre of Houston has a drive time of about 20 minutes. It's approximately 27 kilometres away.
It'll take around 50 minutes if you're using public transport.
When to fly to George Bush Intercontinental Airport (IAH)
July is the most popular month for flights from Ontario International Airport to George Bush Intercontinental Airport. For smaller crowds, go to Houston in February.
Book your flight from Ontario International Airport to George Bush Intercontinental Airport for August if you want to explore Houston during its warmest month. You can expect temperatures of between 24ºC (75ºF) and 40ºC (104ºF).
January has average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap tickets from ONT to IAH around that time if you'd rather travel in cooler conditions.
Explore more of United States
Houston has loads to offer, but there are so many other corners of United States you'll want to see. About 306 kilometres west of Houston, a visit to San Antonio will keep you on the go. Don't miss top attractions like The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.
Dallas is another sought-after destination in United States and is around 370 kilometres north of Houston. No journey is complete without a visit to Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.
