Cheap flights to Ontario, CA (ONT) from £12

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.

New York City Ontario, CA

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DEAL

Sun, 24 Nov LGA - ONT

Thu, 28 Nov ONT - LGA

£167 £154

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Las Vegas Ontario, CA

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Thu, 19 Dec LAS - ONT

£13 £12

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Las Vegas Ontario, CA

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Sat, 23 Nov LAS - ONT

Sun, 24 Nov ONT - LAS

£40 £38

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Phoenix Ontario, CA

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Sat, 23 Nov PHX - ONT

Tue, 26 Nov ONT - PHX

£225 £217

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San Francisco Ontario, CA

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Sun, 24 Nov SFO - ONT

Tue, 26 Nov ONT - SFO

£93 £85

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Denver Ontario, CA

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Sun, 24 Nov DEN - ONT

Thu, 28 Nov ONT - DEN

-10 %

£96 £87

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San Francisco Ontario, CA

BEST

DEAL

Sun, 24 Nov SFO - ONT

Wed, 27 Nov ONT - SFO

£149 £138

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New York City Ontario, CA

BEST

DEAL

Sun, 24 Nov LGA - ONT

Wed, 27 Nov ONT - LGA

£249 £239

Prime price per passenger

Popular flight routes to Ontario, CA

Flights from Denver to Ontario, CA

£22 £21

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Flights from Orlando to Ontario, CA

-10 %

£48 £43

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Flights from London to Ontario, CA

-14 %

£295 £253

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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:

Book in advance: airline fares tend to rise as the departure date approaches, especially during peak travel seasons. Getting your flight tickets ahead of time could help you find better deals.
Fly during off-peak times: for most destinations, during high-demand periods (like public holidays or summer) airlines usually increase their flight fares. If you choose to fly to Ontario, CA during the off-peak season, your chances of finding cheaper tickets could be higher.
Use our “Smart choice” option: this feature allows you to find the cheapest and most convenient flight out of the list of results when you search for flights to Ontario, CA (ONT).
Travel on weekdays: although it’s not always possible, avoiding travelling during weekends and public holidays can help you save significantly on your flights to Ontario, CA airport.
Join eDreams Prime: consider joining our most exclusive membership and elevate your travel experience. eDreams Prime will allow you to save hundreds of pounds on your next flight tickets. Enjoy now our 15-day free trial when booking your flight.

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:

Exploring historic districts: wander through the city's oldest neighbourhoods and spend some time admiring its architecture. Take a stroll through the main historic areas and discover the fascinating stories behind some of the most iconic buildings in the city.
Visiting outdoor markets: it’s well known that food is the best way to learn about a country’s culture. Give your taste buds an immersive journey and sample some of the local delicacies. And don’t forget to pick up gourmet souvenirs at open-air and flea markets!
Attending concerts and festivals: many cities have a wide offer of concerts and music festivals during the high season months. Before landing in Ontario, CA, check out for any cultural events and live music happening across the city.
Landscape photography: immortalise beautiful moments and lose yourself around the city streets with your camera. Capturing the stunning architecture, street art, and scenic views with either your phone or a digital camera can be one of the best ways of discovering the city.
Cycling and hiking: Explore Ontario, CA and the surrounding landscapes by bike or on foot. It’s always a good idea to get recommendations from the local tourism offices and the expert guides on the best routes to explore.

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:

Immerse yourself in local traditions: although the bigger festivals usually take place during the high season, the low season usually features smaller and more community-driven events and celebrations with fewer crowds. You can join a cooking class or a guided tour for a more personal experience.
Visit indoor attractions: museums, galleries, and historic buildings are ideal when the weather isn’t perfect. During the low season, it’s also quite common for these establishments to offer cheaper deals.
Explore seasonal shopping: the low season is also perfect to discover indoor local markets, where you can shop for unique souvenirs, taste the local food, and experience the day-to-day life of Ontario, CA.
Participate in workshops: since the weather conditions might be adverse during the low season months, it’s a great time to sign up for workshops like pottery, photography, or local dance classes. The off-season provides more availability and smaller groups, which also means more hands-on learning.
Visit botanical gardens or natural reserves: many local gardens have covered areas and greenhouses that are great for visiting when the weather does not allow for outdoor activities. They also offer a great escape from the urban hustle, and allow you to learn more about the local flora.

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 £12 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, Denver and San Francisco.

The airlines providing flights to Ontario, CA with layovers are:

Frontier Airlines, which serves flights from New York City, Chicago or Phoenix.
Alaska Airlines, that operates flights from Nashville, TN and Reykjavik, as well as from Vancouver.
British Airways, which offers flights from London, Manchester and also St. George s.

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 Denver. 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