Cheap flights to Ontario, CA (ONT) from £13

Last minute flights to Ontario, CA

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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.
San Francisco Ontario, CA
BEST
DEAL
Wed, 11 Dec SFO - ONT
Thu, 12 Dec ONT - SFO
-32 %
£95 £65
Prime price per passenger
Las Vegas Ontario, CA
BEST
DEAL
Tue, 31 Dec LAS - ONT
£13 £13
Prime price per passenger
Denver Ontario, CA
BEST
DEAL
Thu, 12 Dec DEN - ONT
Sat, 14 Dec ONT - DEN
-11 %
£46 £41
Prime price per passenger
Chicago Ontario, CA
BEST
DEAL
Mon, 09 Dec MDW - ONT
Fri, 13 Dec ONT - MDW
£130 £118
Prime price per passenger
Chicago Ontario, CA
BEST
DEAL
Mon, 09 Dec MDW - ONT
Fri, 13 Dec ONT - MDW
£151 £140
Prime price per passenger
Denver Ontario, CA
BEST
DEAL
Thu, 12 Dec DEN - ONT
Fri, 13 Dec ONT - DEN
-10 %
£93 £84
Prime price per passenger

Popular flight routes to Ontario, CA

DEN
Flights from Denver to Ontario, CA
£22 £21
Prime price per passenger
ORL
Flights from Orlando to Ontario, CA
-11 %
£51 £45
Prime price per passenger
LON
Flights from London to Ontario, CA
-13 %
£341 £296
Prime price per passenger

Finding cheap flights deals to Ontario, CA

Are you looking for affordable tickets to Ontario, CA? In eDreams, we work with more than 690 airlines and provide information for hundreds of thousands of flight routes available to Ontario, CA. When you book your cheap flight tickets with us, you can rest assured that you’re getting the best deals for your trip. From one-way tickets to round trips, eDreams has got you covered.

Whether you’re looking for a quick weekend getaway in Ontario, CA, or planning a longer stay, eDreams can offer you great savings. Thanks to our vast network of airlines and travel providers, we can also offer you perfect holiday deals with our flights + hotel packages, and even cater to our other travel essentials, such as cheap car-hiring services, airport transfers, or shuttle.

Are you looking for inspiration for your next trip? Keep reading and learn about some of the top activities to do in Ontario, CA, the main airlines flying to this destination, and tips on how to secure the best prices when booking your flights.

Tips for securing the best flight deals to Ontario, CA

At eDreams, we make flight booking simple and affordable by offering you a wide range of options from thousands of airlines to help you find top-quality flights at the best prices. In addition to this, here are also 5 useful tips to save money on your next flight to Ontario, CA:

Best time to visit Ontario, CA

The ideal time to visit Ontario, CA always depends on your preferred activities and the local weather. While some people prefer the good weather and don’t mind bigger crowds, others like to opt for quieter times to visit and avoid all the hustle and bustle.

Whether you’re someone who enjoys the bustling atmosphere of the city or someone who prefers to visit at a more relaxed pace, Ontario, CA has something to offer for every type of traveller. Here are some ideas for activities that you can enjoy in Ontario, CA in both high season and low season.

What to do during high season in Ontario, CA

Perfect for outdoor enthusiasts, the high season offers sunny skies and pleasant temperatures. It’s the ideal time to explore the city’s iconic landmarks, participate in cultural festivals, or relax at a terrace café.

Thinking about trying some of the best delicacies of Ontario, CA and immersing yourself in its gastronomy? The high season will provide you with a wider offer of restaurants, bistros, and food markets to immerse yourself in.

For the nature enthusiasts, the clear skies provide the perfect backdrop for exploring Ontario, CA's natural beauty. Whether you’re interested in birdwatching, photography, or simply enjoying a peaceful walk surrounded by nature, the weather during these months will help to enhance your experience.

The top activities during the high season include:

What to do during low season in Ontario, CA

For those seeking peace, quiet, and budget-friendly options, the low season is perfect. Fewer tourists mean more authentic experiences, no long lines at attractions, and cheaper flights and accommodations. Local businesses often offer special discounts, making it easier to indulge in luxury experiences.

With fewer tourists around, you’ll also have the chance to enjoy a more authentic experience and connect with the local culture on a deeper level. In addition to this, you’ll also find more flexibility when booking your accommodations, tours, and any other reservation. This season is also ideal for last-minute travellers, since they’ll be more likely to get their first choice when it comes to popular activities.

Here are some of the top activities to do during the low season:

Most popular cities to fly to Ontario, CA

With a wide range of flight options and frequent airline services, the most popular departure cities for travellers heading to Ontario, CA are typically the largest. These major hubs not only offer convenience but also tend to provide the most competitive fares, making them the top choices for direct flights to Ontario, CA.

With eDreams, booking your flight from one of the most popular cities to Ontario, CA is quick and easy. Take advantage of the wide range of flight options available and find the perfect schedule and fare for you. Start planning your trip today and get ready to explore Ontario, CA with the best deals and hassle-free booking through eDreams!

Airlines offering direct flights to Ontario, CA airport

Booking flights with eDreams is a seamless process, allowing you to find the best direct connections to Ontario, CA effortlessly. From low-cost carriers to major international airlines, various renowned airlines operate direct flights to Ontario, CA airport, so you’ll have plenty of options to choose from.

Whether you're seeking a last-minute flight, or you’ve been planning your trip for months, these airlines provide a range of services to suit your travel needs.

FAQs about flights to Ontario, CA

What’s the best way to search for cheap flights to Ontario, CA on eDreams UK?
At eDreams UK you can find cheap flights from £13 to Ontario, CA. Our platform utilizes advanced technologies, including machine learning and real-time user search data, to offer a variety of options. This ensures you can pick the flights that best fit your preferences and schedule for your trip to Ontario, CA.
Which airlines operate flights to Ontario, CA?
Here are some airlines that provide direct flights from the UK to Ontario, CA:
  • Frontier Airlines offers flights originating from Las Vegas, San Francisco and Denver.
The airlines providing flights to Ontario, CA with layovers are:
  • Frontier Airlines, which serves flights from New York City, Phoenix or Chicago.
  • Alaska Airlines, that operates flights from Reykjavik and Kahului, HI, as well as from Nashville, TN.
  • British Airways, which offers flights from London, Madrid and also San Sebastian.
What time should you arrive at the airport prior to your flight to Ontario, CA?
To avoid missing your flight to Ontario, CA, arrive at the airport at least 2 or 3 hours early for check-in, security controls, customs, and boarding. eDreams offers great deals on flights to Ontario, CA from over 5 cities. You can enhance your experience with services like priority boarding, extra luggage, and lounge access. Additionally, consider adding travel insurance or opting for a refundable fare when booking to ensure flexibility and peace of mind.
What is the name of the main airport for Ontario, CA?
Ontario, CA has 1 airport[s] with Ontario International being one of the busiest. It offers both domestic and international flights to 5 cities worldwide. Popular destinations include major hubs like Indianapolis, IN, San Francisco and Seattle. Ontario International is known for being a key gateway for travelers, providing a wide range of routes for business and leisure travelers alike.
How far is Ontario, CA airport from the city center?
The airport in Ontario, CA, known as Ontario International, is located approximately 2 miles kilometers from the city center. This proximity makes it fairly convenient for travelers to access the main parts of the city.
What is the typical weather like in Ontario, CA?
For those seeking warm weather, the ideal time to visit Ontario, CA is in July, June and August. During these months, temperatures typically soar to an average of 31.62 °C, and you'll find that June, August and September are the sunniest months, with an average of 138.82 hours of sunshine. Conversely, if you favor cooler weather, consider planning your trip to Ontario, CA in January, March or February. During this period, you can expect an average temperature of 5.81 °C. For travelers indifferent to temperature but keen to steer clear of rain, it’s wise to avoid visiting during June, August and January, when the average precipitation in Ontario, CA reaches 3.35 mm. Instead, consider the drier months of January, February and March, which feature significantly lower rainfall, averaging only 0 mm.
Airport code ONT The IATA code of the arrival airport on flights to Ontario, CA is ONT
Popular Airline Frontier Airlines Most popular airline flying to Ontario, CA

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