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170 € Cheap Flights from Ontario International to Houston Hobby

Compare Ontario International to Houston Hobby flight deals

Find the cheapest month or even day of the year to fly to Houston Hobby

Book the best Houston Hobby fare with no extra fees

Flight deals from Ontario International to Houston Hobby

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Houston Hobby Airport? If you want to travel next month, return fares start from 179 €. Find the lowest prices on one-way and return tickets right here.
Houston.170 € per passenger.Departing Thu, 1 Oct, returning Tue, 6 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Thu, 1 Oct, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Tue, 6 Oct, arriving in Ontario International.Price includes taxes and charges.From 170 €, select.
Houston.170 € per passenger.Departing Wed, 21 Oct, returning Wed, 4 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Wed, 21 Oct, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Wed, 4 Nov, arriving in Ontario International.Price includes taxes and charges.From 170 €, select.
Houston.170 € per passenger.Departing Wed, 30 Sep, returning Sat, 10 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Wed, 30 Sep, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Sat, 10 Oct, arriving in Ontario International.Price includes taxes and charges.From 170 €, select.
Houston.171 € per passenger.Departing Wed, 11 Nov, returning Tue, 17 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Wed, 11 Nov, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Tue, 17 Nov, arriving in Ontario International.Price includes taxes and charges.From 171 €, select.
Houston.179 € per passenger.Departing Sat, 5 Sep, returning Sat, 12 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Sat, 5 Sep, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Sat, 12 Sep, arriving in Ontario International.Price includes taxes and charges.From 179 €, select.
Houston.179 € per passenger.Departing Tue, 18 Aug, returning Sat, 22 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Tue, 18 Aug, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Sat, 22 Aug, arriving in Ontario International.Price includes taxes and charges.From 179 €, select.
Houston.180 € per passenger.Departing Sat, 29 Aug, returning Wed, 9 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Sat, 29 Aug, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Wed, 9 Sep, arriving in Ontario International.Price includes taxes and charges.From 180 €, select.
Houston.206 € per passenger.Departing Mon, 25 Jan, returning Thu, 4 Feb.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Mon, 25 Jan, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Thu, 4 Feb, arriving in Ontario International.Price includes taxes and charges.From 206 €, select.
Houston.206 € per passenger.Departing Tue, 2 Feb, returning Sat, 6 Feb.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Tue, 2 Feb, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Sat, 6 Feb, arriving in Ontario International.Price includes taxes and charges.From 206 €, select.
Houston.206 € per passenger.Departing Mon, 11 Jan, returning Wed, 13 Jan.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Mon, 11 Jan, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Wed, 13 Jan, arriving in Ontario International.Price includes taxes and charges.From 206 €, select.
Houston.206 € per passenger.Departing Thu, 3 Dec, returning Mon, 7 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Thu, 3 Dec, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Mon, 7 Dec, arriving in Ontario International.Price includes taxes and charges.From 206 €, select.
Houston.206 € per passenger.Departing Wed, 18 Nov, returning Tue, 1 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Wed, 18 Nov, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Tue, 1 Dec, arriving in Ontario International.Price includes taxes and charges.From 206 €, select.
Houston.244 € per passenger.Departing Tue, 29 Dec, returning Thu, 7 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 29 Dec, arriving in Houston Hobby.Inbound indirect flight with Southwest Airlines, departs from Houston Hobby on Thu, 7 Jan, arriving in Ontario International.Price includes taxes and charges.From 244 €, select.
Houston.277 € per passenger.Departing Wed, 30 Dec, returning Sat, 9 Jan.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Wed, 30 Dec, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Sat, 9 Jan, arriving in Ontario International.Price includes taxes and charges.From 277 €, select.
Houston.287 € per passenger.Departing Tue, 22 Dec, returning Tue, 23 Feb.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Tue, 22 Dec, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Tue, 23 Feb, arriving in Ontario International.Price includes taxes and charges.From 287 €, select.
Houston.348 € per passenger.Departing Thu, 4 Mar, returning Mon, 8 Mar.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Ontario International on Thu, 4 Mar, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Mon, 8 Mar, arriving in Ontario International.Price includes taxes and charges.From 348 €, select.

Find the cheapest month to fly from Ontario International to Houston Hobby

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Houston Hobby flights are currently cheapest in October.
Jul
from 1.114 €
Aug
from 179 €
Sep
from 179 €
Oct
from 170 €
Nov
from 171 €
Dec
from 206 €
Jan
from 206 €
Feb
from 206 €
Mar
from 348 €
Apr
from 366 €
May
from 421 €
Jun
Find prices

Direct flights from Ontario International to Houston Hobby

Ontario International to Houston Hobby: Alternative routes

Compare routes from Ontario International to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston Hobby.

Houston Hobby

15km from central Houston
Closest
from 170 €
Search flights

Houston George Bush Intercntl.

25km from central Houston
Cheapest
from 93 €
Search flights

Houston Ellington Field

28km from central Houston
Search flights

Ontario to Houston: Flight information

The things to know before you go.
Cheapest flight found170 €
Cheapest month to flySeptember
Average flight time3 hrs, 4 mins
Most popular airlineSouthwest Airlines
Average flights per week9

Finding cheap flights from Ontario International to Houston Hobby: Frequently asked questions

The best price we found for a return flight from Ontario International to Houston Hobby is 170 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 4 minutes is the average flight time from Ontario International to Houston Hobby.
Southwest Airlines flies direct from Ontario International to Houston Hobby.
As of July 2026, there are 9 flights per week flying from Ontario International to Houston Hobby.
The cheapest month to fly from Ontario International to Houston Hobby is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Houston Hobby Airport on Wednesday, 30 September 2026.
Yes – the average flight time is 3 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston Hobby but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Southwest Airlines offers the cheapest flight tickets to Houston Hobby.

Flying from Ontario International Airport (ONT) to Houston Hobby Airport (HOU): what you need to know

  • Jump on a direct flight from Ontario International Airport to Houston Hobby Airport and you'll be travelling for an average of 3 hours 5 minutes.

  • The timezone in Houston is UTC-6, which is two hours ahead of Ontario.

  • Flights from ONT to HOU start at 05:15 — the first with Southwest Airlines. The last departure is at 15:00 with Southwest Airlines. Overall, there are four weekly Ontario International Airport to Houston Hobby Airport flights.

  • Your ONT to HOU flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like July, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you travel during peak periods in general.

  • Jetting into Houston (and then seeing more of the United States!) is a snap with Southwest Airlines. This popular carrier offers direct flights from Ontario International Airport to Houston Hobby Airport.

  • Southwest Airlines is the airline with the highest passenger demand for this route.

  • Southwest Airlines is the most punctual carrier offering ONT to HOU flights, with 73.95% of its services reaching their destination on time.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Ontario International Airport to Houston Hobby Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit your chosen city. Stopovers between ONT and HOU include:

    • Dallas Fort Worth International Airport

    • Phoenix Sky Harbour Airport

    • Harry Reid International Airport

Handy information about Ontario International Airport (ONT)

  • ONT is located at 2900 E. Airport Drive.

  • Ontario International Airport gets high marks for its on-time performance. 83% of flights that depart ONT arrive at their destination without delay.

  • Ontario International Airport is around 10 kilometres from central Ontario. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

  • Taking public transport? Expect a journey time of around 45 minutes.

  • Need a convenient hotel near ONT? If you're boarding an early flight from Ontario International Airport to Houston Hobby Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Houston Hobby Airport (HOU)

When to fly to Houston Hobby Airport (HOU)

  • July is the most popular month for flights from Ontario International Airport to Houston Hobby Airport. To skip the crowds, head to Houston in March.

  • The warmest month in Houston is August, with the temperature ranging between 24ºC (75ºF) and 40ºC (104ºF). Book your flights from Ontario International Airport to Houston Hobby Airport in this month if this is the type of weather you like.

  • Look for cheap tickets from ONT to HOU in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

Explore more of the United States

  • Houston has loads to offer, but there are so many other corners of the United States waiting to be explored. About 306 kilometres west of Houston, a visit to San Antonio will keep your itinerary busy. Start with attractions like San Antonio River Walk, San Antonio River walk and Alamo Plaza.

  • Around 370 kilometres north of Houston, Dallas is another favourite stop in the United States. Experience major highlights starting with Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art.

Plan the rest of your trip from Ontario to Houston

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.