Book cheap flights to Ontario, CA from $28

Last minute flights to Ontario, CA

Book now before it's too late

Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

New York City Ontario, CA

BEST

DEAL

Wed., 27 Nov. JFK - ONT

Sat., 30 Nov. ONT - JFK

$595 $559

Prime price per passenger

Las Vegas Ontario, CA

BEST

DEAL

Wed., 18 Dec. LAS - ONT

$31 $28

Prime price per passenger

Seattle Ontario, CA

BEST

DEAL

Mon., 25 Nov. SEA - ONT

Tue., 26 Nov. ONT - SEA

-12 %

$132 $117

Prime price per passenger

Seattle Ontario, CA

BEST

DEAL

Mon., 25 Nov. SEA - ONT

Fri., 29 Nov. ONT - SEA

$173 $159

Prime price per passenger

San Francisco Ontario, CA

BEST

DEAL

Tue., 26 Nov. SFO - ONT

Sat., 30 Nov. ONT - SFO

$310 $298

Prime price per passenger

Portland Ontario, CA

BEST

DEAL

Wed., 27 Nov. PDX - ONT

Sat., 30 Nov. ONT - PDX

$455 $429

Prime price per passenger

San Francisco Ontario, CA

BEST

DEAL

Sat., 30 Nov. SFO - ONT

Thu., 05 Dec. ONT - SFO

$130 $121

Prime price per passenger

San Francisco Ontario, CA

BEST

DEAL

Sat., 30 Nov. SFO - ONT

Tue., 03 Dec. ONT - SFO

$184 $170

Prime price per passenger

Popular flight routes to Ontario, CA

Flights from Sydney to Ontario, CA

$1256 $1200

Prime price per passenger

Flights from Perth to Ontario, CA

$1725 $1652

Prime price per passenger

Flights to Ontario, CA

Find the best deals on tickets to Ontario, CA

If Ontario, CA is on your travel list, Opodo is here to make your journey affordable and stress-free. Whether you're drawn by Ontario, CA's rich history, stunning architecture, or vibrant cultural scene, this city offers endless opportunities for exploration and adventure.

In Ontario, CA, you can wander through iconic neighborhoods, enjoy local culinary delights, and immerse yourself in the arts and entertainment scene. Whether you’re interested in visiting famous landmarks, exploring museums, or simply soaking in the unique atmosphere, Ontario, CA has something for everyone. No matter the season, this city’s diverse attractions make it a perfect destination for both first-time visitors and seasoned travelers.

Finding the right flight to Ontario, CA is a breeze with our intuitive search engine. Just enter your travel details, and we’ll show you the best flight options tailored to your needs. Whether you're planning a quick getaway or an extended stay, our deals help you experience Ontario, CA without overspending. Plus, our last-minute offers make spontaneous trips more affordable than ever.

Opodo also offers great discounts on accommodations and car rentals in Ontario, CA, making it easy to plan your entire trip in one place. Ready to discover all that Ontario, CA has to offer? Book your flight today and start your adventure with Opodo, where the best of Ontario, CA is just a click away. Bon voyage!

FAQ's about Ontario, CA

How can I find cheap flights to Ontario, CA at Opodo?

At Opodo you can find flights from $28 to Ontario, CA. Our offers are the result of a combination of different technologies, machine learning algorithms and real searches form our customers in our platform, so you can get the options that better suits your needs when flying to Ontario, CA.

Which airlines fly to Ontario, CA from Australia?

Airlines flying direct from Australia to Ontario, CA include:

Frontier Airlines, which flies from Las Vegas and San Francisco to Ontario, CA plus from Denver.

Indirect flights from the Australia to Ontario, CA include:

Frontier Airlines, which flies from New York City and Nashville, TN and also from Orlando.
Alaska Airlines, with flights from Sydney and New York City to Ontario, CA plus Dallas.
Air Canada, which has flights from Vancouver and Montreal as well as from Toronto to Ontario, CA.

What is the weather like in Ontario, CA?

If you're looking for summer vibes, the best time to travel to Ontario, CA is in July, June and August, when the average temperature reaches 31.62 °C, while June, August and September are the 3 sunniest months of the year, with an average of 138.82 hours. If you prefer colder temperatures, however, make sure you visit Ontario, CA during the months of January, March and February to experience an average of 5.81 °C. For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during June, August and January, when the average precipitation in Ontario, CA is 3.35 mm, while the months of January, February and March are drier, with an average of 0 mm.