What is the cheapest month to book a flight from Orange County to Ontario?

Currently, September is the cheapest month in which you can book a flight from Orange County to Ontario (average of $236). Flying from Orange County to Ontario in December is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KFI to ONT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orange County to Ontario as you normally would.

What airport do you fly into for flights to Ontario from Orange County?

If you book a flight to Ontario from Orange County, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

Can I find deals for flights from Orange County to Ontario that include hotel bookings?

Yes. In addition to deals on Orange County to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Orange County to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Ontario.

Can I find deals for business class flights from Orange County to Ontario?

Yes. Cheapflights offers flight deals from Orange County to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$157+ Flights from Orange County to Ontario

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Cheap flight deals from Orange County to Ontario

Round-trip from	$302 (Alaska Airlines)
One-way from	$157 (Alaska Airlines)

From Orange County to Ontario

Search Deals

One-way flight from Orange County to Ontario

Search Deals

Find flight deals from Orange County to Ontario

Cheapest flights from Orange County to Ontario
Explore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

Sat 12/289:12 pmSNA - ONT

1 stop12h 33mAlaska Airlines

Thu 1/28:52 pmONT - SNA

1 stop11h 52mAlaska Airlines

Deal found 12/17

$802

Fri 12/207:00 amSNA - ONT

1 stop10h 53mUnited Airlines

Sun 12/226:00 amONT - SNA

1 stop6h 21mUnited Airlines

Deal found 12/16

$1,191

Best flights from Orange County to Ontario
Discover carefully curated flight deals from Orange County to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

Mon 1/1312:50 pmSNA - ONT

1 stop9h 49mAlaska Airlines

Sat 1/1811:14 amONT - SNA

1 stop7h 39mAlaska Airlines

Deal found 12/17

$302

Fri 1/177:25 amSNA - ONT

1 stop13h 04mUnited Airlines

Sun 1/196:15 amONT - SNA

1 stop8h 30mUnited Airlines

Deal found 12/17

$491

Wed 1/157:40 amLGB - ONT

1 stop14h 00mAlaska Airlines

Wed 1/229:35 amONT - LGB

1 stop34h 10mAlaska Airlines

Deal found 12/17

$751

Last-minute flights from Orange County to Ontario
Discover last-minute flight deals from Orange County to Ontario. Data last updated December 18, 2024 and is based on user searches.

Sat 12/289:12 pmSNA - ONT

1 stop12h 33mAlaska Airlines

Thu 1/28:52 pmONT - SNA

1 stop11h 52mAlaska Airlines

Deal found 12/17

$802

Sat 12/283:50 pmSNA - ONT

1 stop7h 10mUnited Airlines

Sun 12/2910:39 amONT - SNA

1 stop4h 19mUnited Airlines

Deal found 12/16

$1,319

Mon 1/1312:50 pmSNA - ONT

1 stop9h 49mAlaska Airlines

Sat 1/1811:14 amONT - SNA

1 stop7h 39mAlaska Airlines

Deal found 12/17

$302

Wed 1/157:40 amLGB - ONT

1 stop14h 00mAlaska Airlines

Wed 1/229:35 amONT - LGB

1 stop34h 10mAlaska Airlines

Deal found 12/17

$751

Fri 1/177:25 amSNA - ONT

1 stop13h 04mUnited Airlines

Sun 1/196:15 amONT - SNA

1 stop8h 30mUnited Airlines

Deal found 12/17

$491

One-way flights from Orange County to Ontario
Search for one-way flight options from Orange County to Ontario. Find affordable one-way fares based on user searches. Data last updated December 18, 2024.

Sun 1/2612:50 pmSNA - ONT

1 stop10h 22mAlaska Airlines

Deal found 12/17

$157

Sat 1/187:25 amSNA - ONT

1 stop10h 54mUnited Airlines

Deal found 12/17

$347

Tue 12/317:35 amLGB - ONT

1 stop14h 35mAlaska Airlines

Deal found 12/16

$901

Find flights from Orange County to Ontario within your budget

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Mon 1/13

12:50 pm-10:39 pm

1 stop9h 49m

Ontario

Sat 1/18

11:14 am-6:53 pm

1 stop7h 39m

$302

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 1/17

7:25 am-8:29 pm

1 stop13h 04m

Ontario

Sun 1/19

6:15 am-2:45 pm

1 stop8h 30m

$491

Long BeachOntario

LGB - ONT

LGBONT

Long Beach Municipal

Wed 1/15

7:40 am-9:40 pm

1 stop14h 00m

Ontario

Wed 1/22

9:35 am-7:45 pm

1 stop34h 10m

$751

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sun 1/26

12:50 pm-11:12 pm

1 stop10h 22m

$157

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sat 1/18

7:25 am-6:19 pm

1 stop10h 54m

$347

Long BeachOntario

LGB - ONT

LGBONT

Long Beach Municipal

Tue 12/31

7:35 am-10:10 pm

1 stop14h 35m

$901

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Orange County to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Orange County with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Orange County to Ontario

Get recent, data-driven insights about flights from Orange County to Ontario including ideal travel times, pricing trends, and more.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from Orange County to Ontario, such as United Airlines and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,552 reviews

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines

8.0

Very good

9,552 reviews

Alaska Airlines

8.0

Very good

9,552 reviews

Reviews

1 / 10

United Airlines

7.4

Good

9,059 reviews

Alaska Airlines

8.0

Very good

9,552 reviews

Reviews

1 / 10

Related info for your journey

What airport do you fly into for flights to Ontario from Orange County?
If you book a flight to Ontario from Orange County, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.
Can I find deals for flights from Orange County to Ontario that include hotel bookings?
Yes. In addition to deals on Orange County to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Orange County to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Ontario.
Can I find deals for business class flights from Orange County to Ontario?
Yes. Cheapflights offers flight deals from Orange County to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Orange County to Ontario?
Currently, September is the cheapest month in which you can book a flight from Orange County to Ontario (average of $236). Flying from Orange County to Ontario in December is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$157+ Cheap flights from Orange County to Ontario (ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Orange County to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Orange County to Ontario

Round-trip from

One-way from

Find flight deals from Orange County to Ontario

Cheapest flights from Orange County to OntarioExplore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

Explore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

Find flights from Orange County to Ontario within your budget

Best time to book a flight from Orange County to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Orange County with our price prediction graph.

Travel insights for flights from Orange County to Ontario

Get recent, data-driven insights about flights from Orange County to Ontario including ideal travel times, pricing trends, and more.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from Orange County to Ontario, such as United Airlines and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Orange County to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ontario from Orange County?

Can I find deals for flights from Orange County to Ontario that include hotel bookings?

How can I find direct flights from Orange County to Ontario?

Can I find deals for business class flights from Orange County to Ontario?

What is the cheapest month to book a flight from Orange County to Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Orange County to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

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Travel Smart

Cheapest flights from Orange County to Ontario
Explore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.