Cheap flights to Ontario, CA

Travel > North America > United States > Ontario, CA flights

A city in the San Bernardino County in California, Ontario offers wonderful living conditions for its residents. Over the years its reputation as a significant tourist attraction has also grown considerably. The city got the name of Ontario from the famous development program of Ontario model colony that was established in the year 1882 by engineers from Canada. They had named the colony after their native province of Ontario in Canada.... (read more in our Ontario Travel Guide)

Check current prices for flights to Ontario, CA at our partners' sites:

Search and Compare cheap Flights

Enter your travel details:Step 1

Select merchants to compare:Step 2

Cheapest flights found for the next 6 months

(click city name to see more / use right arrow to view later months)

From

Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Jan	Feb
$48	$68	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$75	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
$109	$109	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$120	check fares	$740	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
$150	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$160	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$160	$365	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$160	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$164	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
$169	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$173	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$220	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$240	$740	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
$439	$280	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	$479	$750	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$555	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	$1021	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares
check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares	check fares

more cities

Didn't have an exact departure location, just looking for the cheapest price? Browse our cheap flights state directory:

Check our newest flight offers to Ontario, CA:

$48 Frontier Airlines
From To Departure Time
Denver, CO (DEN) Ontario, CA (ONT) 03/26/2025 10:37 pm
Ontario, CA (ONT) Denver, CO (DEN) 04/02/2025 12:59 am
cheapoair.com check price
$75 Frontier Airlines
From To Departure Time
Las Vegas, NV (LAS) Ontario, CA (ONT) 04/07/2025 06:20 am
Ontario, CA (ONT) Las Vegas, NV (LAS) 04/12/2025 10:02 pm
cheapoair.com check price
$109 Frontier Airlines
From To Departure Time
Fort Worth/Dallas, TX (DFW) Ontario, CA (ONT) 04/22/2025 08:37 pm
Ontario, CA (ONT) Fort Worth/Dallas, TX (DFW) 04/30/2025 07:58 pm
cheapoair.com check price
$120 Frontier Airlines
From To Departure Time
El Paso, TX (ELP) Ontario, CA (ONT) 03/26/2025 07:50 pm
Ontario, CA (ONT) El Paso, TX (ELP) 04/01/2025 09:39 pm
cheapoair.com check price
$120 Frontier Airlines
From To Departure Time
Oklahoma City, OK (OKC) Ontario, CA (ONT) 04/02/2025 05:37 pm
Ontario, CA (ONT) Oklahoma City, OK (OKC) 04/16/2025 03:17 pm
cheapoair.com check price

From	To	Departure	Time
Denver, CO (DEN)	Ontario, CA (ONT)	03/26/2025	10:37 pm
Ontario, CA (ONT)	Denver, CO (DEN)	04/02/2025	12:59 am

From	To	Departure	Time
Las Vegas, NV (LAS)	Ontario, CA (ONT)	04/07/2025	06:20 am
Ontario, CA (ONT)	Las Vegas, NV (LAS)	04/12/2025	10:02 pm

From	To	Departure	Time
Fort Worth/Dallas, TX (DFW)	Ontario, CA (ONT)	04/22/2025	08:37 pm
Ontario, CA (ONT)	Fort Worth/Dallas, TX (DFW)	04/30/2025	07:58 pm

From	To	Departure	Time
El Paso, TX (ELP)	Ontario, CA (ONT)	03/26/2025	07:50 pm
Ontario, CA (ONT)	El Paso, TX (ELP)	04/01/2025	09:39 pm

From	To	Departure	Time
Oklahoma City, OK (OKC)	Ontario, CA (ONT)	04/02/2025	05:37 pm
Ontario, CA (ONT)	Oklahoma City, OK (OKC)	04/16/2025	03:17 pm

cheap domestic and international flights

Recently found cheap flight deals

Fort Lauderdale To Nassau Multiple Airlines airfares from Fort Lauderdale in June
$341 Depart: 06/06/2023
Return: 06/20/2023
provided by Cheapoair.com

Toledo To Brussels Multiple Airlines airfares from Toledo in September
$989 Depart: 09/30/2019
Return: 10/14/2019
provided by Flightnetwork

Miami To St Kitts Multiple Airlines airfares from Miami in March
$1053 Depart: 03/28/2025
Return: 04/10/2025
provided by Cheapoair.com

Omaha To Charlotte Frontier Airlines airfares from Omaha in December
$142 Depart: 12/18/2024
Return: 12/24/2024
provided by Cheapoair.com

Denver To Richmond Spirit Airlines airfares from Denver in March
$848 Depart: 03/06/2024
Return: 03/19/2024
provided by Cheapoair.com

Palm Springs To Siem Reap Multiple Airlines airfares from Palm Springs in November
$4725 Depart: 11/17/2023
Return: 11/25/2023
provided by Cheapoair.com

Las Vegas To Rio De Janeiro Multiple Airlines airfares from Las Vegas in September
$990 Depart: 09/17/2024
Return: 09/27/2024
provided by Cheapoair.com

Orlando To Flint Multiple Airlines airfares from Orlando in August
$584 Depart: 08/04/2019
Return: 08/16/2019
provided by FlyFar

Fort Lauderdale To Rome Brussels Airlines airfares from Fort Lauderdale in April
$1075 Depart: 04/04/2025
Return: 04/13/2025
provided by Cheapoair.com

Specify your search details. Browse the cheapest flights to Ontario, CA, Ontario, CA hotel rooms and Ontario, CA vacation packages from the most popular providers, airline consolidators and travel search engines.

Welcome to Travelgrove register tell a friend bookmark it