ONT to IAH

Ontario to Houston flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

ONT
Ontario (ONT), United StatesOntario International
IAH
Houston (IAH), United StatesGeorge Bush Intercontinental
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Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunONT to IAH$619 Sun, 07 JunONT to IAH Mon, 08 JunONT to IAH Tue, 09 JunONT to IAH Wed, 10 JunONT to IAH Thu, 11 JunONT to IAH Fri, 12 JunONT to IAH
Sort By:DepartureDurationArrivalPrice
United Airlines
United Airlines
UA-1936
05:45
2026-06-06
Ontario (ONT)United StatesOntario International
3H :19 M
Non Stop
11:04
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$619
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-2446
05:00
2026-06-06
Ontario (ONT)United StatesOntario International
6H :40 M
1 Stop
DEN · 1h 47mDenver (DEN), United States
13:40
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-2446
05:00
2026-06-06
Ontario (ONT)United StatesOntario International
8H :09 M
1 Stop
DEN · 3h 14mDenver (DEN), United States
15:09
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1412
05:45
2026-06-06
Ontario (ONT)United StatesOntario International
5H :32 M
1 Stop
DFW · 1h 10mDallas (DFW), United States
13:17
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1412
05:45
2026-06-06
Ontario (ONT)United StatesOntario International
8H :01 M
1 Stop
DFW · 3h 38mDallas (DFW), United States
15:46
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-2708
06:00
2026-06-06
Ontario (ONT)United StatesOntario International
5H :32 M
1 Stop
SLC · 0h 40mSalt Lake City (SLC), United States
13:32
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-2363
06:00
2026-06-06
Ontario (ONT)United StatesOntario International
7H :07 M
1 Stop
SFO · 1h 30mSan Francisco (SFO), United States
15:07
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-2363
06:00
2026-06-06
Ontario (ONT)United StatesOntario International
8H :52 M
1 Stop
SFO · 3h 25mSan Francisco (SFO), United States
16:52
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-2826
06:05
2026-06-06
Ontario (ONT)United StatesOntario International
9H :05 M
1 Stop
ORD · 1h 45mChicago (ORD), United States
17:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-2826
06:05
2026-06-06
Ontario (ONT)United StatesOntario International
11H :05 M
1 Stop
ORD · 3h 45mChicago (ORD), United States
19:10
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-1194
06:10
2026-06-06
Ontario (ONT)United StatesOntario International
5H :22 M
1 Stop
PHX · 1h 09mPhoenix (PHX), United States
13:32
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2893
07:00
2026-06-06
Ontario (ONT)United StatesOntario International
6H :46 M
1 Stop
DFW · 2h 22mDallas (DFW), United States
15:46
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-761
07:05
2026-06-06
Ontario (ONT)United StatesOntario International
7H :11 M
1 Stop
ATL · 0h 41mAtlanta (ATL), United States
16:16
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-761
07:05
2026-06-06
Ontario (ONT)United StatesOntario International
9H :41 M
1 Stop
ATL · 3h 11mAtlanta (ATL), United States
18:46
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2238
10:22
2026-06-06
Ontario (ONT)United StatesOntario International
6H :47 M
1 Stop
DFW · 2h 19mDallas (DFW), United States
19:09
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2238
10:22
2026-06-06
Ontario (ONT)United StatesOntario International
7H :25 M
1 Stop
DFW · 3h 02mDallas (DFW), United States
19:47
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-665
12:07
2026-06-06
Ontario (ONT)United StatesOntario International
7H :18 M
1 Stop
ATL · 0h 46mAtlanta (ATL), United States
21:25
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-665
12:07
2026-06-06
Ontario (ONT)United StatesOntario International
9H :47 M
1 Stop
ATL · 3h 16mAtlanta (ATL), United States
23:54
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2242
12:41
2026-06-06
Ontario (ONT)United StatesOntario International
7H :47 M
1 Stop
DFW · 3h 19mDallas (DFW), United States
22:28
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
American Airlines
American Airlines
AA-2244
13:11
2026-06-06
Ontario (ONT)United StatesOntario International
4H :46 M
1 Stop
PHX · 0h 45mPhoenix (PHX), United States
19:57
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 7 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1263
13:18
2026-06-06
Ontario (ONT)United StatesOntario International
5H :37 M
1 Stop
DEN · 0h 40mDenver (DEN), United States
20:55
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1263
13:18
2026-06-06
Ontario (ONT)United StatesOntario International
6H :18 M
1 Stop
DEN · 1h 27mDenver (DEN), United States
21:36
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included

Recommended hotels in Houston

Stay options near the arrival city for the same travel date.

Search hotels
Motel 19 By Capital O Baytown I-10
2.0Very GoodLive availability

Motel 19 By Capital O Baytown I-10

- 3401 N Alexander Dr ,

Free WiFiACBreakfast
Room availability is checked live
$38per night+ taxes if applicable

1 Night • 2 Star

OYO Hotel Houston, TX near Medical Center NRG Stadium
2.0Very GoodLive availability

OYO Hotel Houston, TX near Medical Center NRG Stadium

- Loop and, 10015 S Main St 610 S, Houston, TX 77025 ,

Free WiFiACBreakfast
Room availability is checked live
$45per night+ taxes if applicable

1 Night • 2 Star

OYO Townhouse Houston Airport North
2.0Very GoodLive availability

OYO Townhouse Houston Airport North

- A, 12701 North Fwy HoustonTexas 77060-1226 ,

Free WiFiACBreakfast
Room availability is checked live
$46per night+ taxes if applicable

1 Night • 2 Star

Hotel O Luxury Inn Channelview Baytown I-10
2.0Very GoodLive availability

Hotel O Luxury Inn Channelview Baytown I-10

- 15545 Interstate 10 East ChannelviewTexas 77530 ,

Free WiFiACBreakfast
Room availability is checked live
$47per night+ taxes if applicable

1 Night • 2 Star

United Airlines
United Airlines
UA-1263
13:18
2026-06-06
Ontario (ONT)United StatesOntario International
7H :48 M
1 Stop
DEN · 2h 57mDenver (DEN), United States
23:06
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1263
13:18
2026-06-06
Ontario (ONT)United StatesOntario International
8H :41 M
1 Stop
DEN · 3h 50mDenver (DEN), United States
23:59
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1006
13:29
2026-06-06
Ontario (ONT)United StatesOntario International
6H :48 M
1 Stop
SLC · 1h 57mSalt Lake City (SLC), United States
22:17
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1375
13:40
2026-06-06
Ontario (ONT)United StatesOntario International
7H :12 M
1 Stop
SFO · 1h 35mSan Francisco (SFO), United States
22:52
2026-06-06
Houston (IAH)United StatesGeorge Bush Intercontinental
$629
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
View all flights
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Fare highlights

Selected flight highlights for 06 Jun 2026.

Open full search
Lowest fare $619 United Airlines 05:45
Earliest departure $629 United Airlines 05:00
Shortest duration $619 United Airlines 05:45
Night 00:00-05:59 $619 United Airlines at 05:45
Morning 06:00-11:59 $629 Delta Air Lines at 06:00
Afternoon 12:00-17:59 $629 Delta Air Lines at 12:07
Evening 18:00-23:59 No option Open full search for more

Ontario to Houston route details

Ontario (ONT)

Ontario International

United States

GMT -8

Latitude: 34.055999755859375

Longitude: -117.60099792480469

Houston (IAH)

George Bush Intercontinental

United States

GMT -6

Latitude: 29.984399795532227

Longitude: -95.34140014648438

Distance: Ontario (ONT), United States to Houston (IAH), United States - 2,142.26 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

Ontario to Houston - what to expect when booking

The ONT to IAH cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 2,142.26 km.

Before you book

Compare nearby dates

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Use filters

Shortlist by price, stops, departure time and refundable fare preference.

Check fare rows

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More flights from Ontario (ONT)14 routes
Ontario → Chicago
ONT → MDW
Ontario → Denver
ONT → DEN
Ontario → Dallas
ONT → DFW
Ontario → Guadalajara
ONT → GDL
Ontario → Las Vegas
ONT → LAS
Ontario → Oakland
ONT → OAK
Ontario → Phoenix
ONT → PHX
Ontario → Portland
ONT → PDX
Ontario → Sacramento
ONT → SMF
Ontario → Salt Lake City
ONT → SLC
Ontario → San Francisco
ONT → SFO
Ontario → San Jose
ONT → SJC
Ontario → San Juan
ONT → SJU
Ontario → Seattle
ONT → SEA
More flights from Houston (IAH)23 routes
Houston → Acapulco
IAH → ACA
Houston → Aguascalientes
IAH → AGU
Houston → Albuquerque
IAH → ABQ
Houston → Amarillo
IAH → AMA
Houston → Amsterdam
IAH → AMS
Houston → Atlanta
IAH → ATL
Houston → Atlantic City
IAH → ACY
Houston → Austin
IAH → AUS
Houston → Bakersfield
IAH → BFL
Houston → Baton Rouge
IAH → BTR
Houston → Beijing
IAH → PEK
Houston → Belize City
IAH → BZE
Houston → Fayetteville
IAH → XNA
Houston → Birmingham
IAH → BHM
Houston → Bogota
IAH → BOG
Houston → Kralendijk
IAH → BON
Houston → Boston
IAH → BOS
Houston → Buenos Aires
IAH → EZE
Houston → Calgary
IAH → YYC
Houston → Cancun
IAH → CUN
Houston → Maiquetia
IAH → CCS
Houston → Charleston
IAH → CRW
Houston → Charlotte
IAH → CLT
Frequently asked questions - Ontario to Houston flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between Ontario (ONT) and Houston (IAH) is 2,142.26 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.