Skip to content

Get United's best fares today on flights from Ontario starting at *

Select journey type

Enter to select travel class and passengers

Ontario Airport Information

Ontario is served by Ontario International Airport (ONT), located just two miles east of downtown. Access the airport’s free Wi-Fi before boarding your flight from Ontario.

Reaching the Ontario Airport

Local public buses connect from downtown Ontario. If your accommodations are located outside the city center, numerous Southern California operators offer bus service to the airport. For direct service, hire a taxi or pre-book an airport shuttle. The airport offers onsite car rentals and parking.

Explore and get additional deals on flights from Ontario (ONT)

FromToDatesFare TypePrice

Ontario (ONT)

San Francisco (SFO)

Depart: 03/10/20

Return: 03/17/20

Roundtrip
from
$97*
Viewed:15minutesago

Ontario (ONT)

Denver (DEN)

Depart: 01/16/20

Return: 01/23/20

Roundtrip
from
$97*
Viewed:18minutesago

Ontario (ONT)

Houston (IAH)

Depart: 03/11/20

Return: 03/25/20

Roundtrip
from
$349*
Viewed:17minutesago

Ontario (ONT)

New York/Newark (EWR)

Depart: 01/25/20

Return: 01/29/20

Roundtrip
from
$264*
Viewed:1dayago

Ontario (ONT)

Chicago (ORD)

Depart: 02/05/20

Return: 02/12/20

Roundtrip
from
$254*
Viewed:16minutesago

Ontario (ONT)

Dallas (DFW)

Depart: 02/27/20

Return: 03/03/20

Roundtrip
from
$306*
Viewed:1dayago

Ontario (ONT)

Seattle (SEA)

Depart: 02/24/20

Return: 03/02/20

Roundtrip
from
$164*
Viewed:15minutesago

Ontario (ONT)

Orlando (MCO)

Depart: 12/15/19

Return: 12/29/19

Roundtrip
from
$274*
Viewed:17minutesago

Ontario (ONT)

San Antonio (SAT)

Depart: 01/22/20

Return: 01/30/20

Roundtrip
from
$194*
Viewed:22hoursago

Ontario (ONT)

Raleigh (RDU)

Depart: 01/05/20

Return: 01/19/20

Roundtrip
from
$284*
Viewed:18hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.