Book cheap flights to Ontario, CA from ฿608

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

BEST

DEAL

Mon, 25 Nov LGA - ONT

Tue, 26 Nov ONT - LGA

-10 %

13213THB 11865THB

Prime price per passenger

Las Vegas Ontario, CA

BEST

DEAL

Thu, 19 Dec LAS - ONT

-29 %

851THB 608THB

Prime price per passenger

San Francisco Ontario, CA

BEST

DEAL

Fri, 29 Nov SFO - ONT

Mon, 02 Dec ONT - SFO

6750THB 6211THB

Prime price per passenger

San Francisco Ontario, CA

BEST

DEAL

Tue, 26 Nov SFO - ONT

Wed, 27 Nov ONT - SFO

9822THB 9071THB

Prime price per passenger

Vancouver Ontario, CA

BEST

DEAL

Sat, 30 Nov YVR - ONT

Mon, 02 Dec ONT - YVR

22906THB 22143THB

Prime price per passenger

Find and compare cheap flights to Ontario, CA

Dreaming of visiting Ontario, CA (ONT)? With its vibrant culture, breathtaking landscapes, and rich history, this destination is a favorite among travelers worldwide. Whether you’re looking for a relaxing getaway or an adventure-filled vacation, eDreams helps you find the perfect flights at unbeatable prices. Our advanced search tools make it easy to compare and book flights, so you can plan your ideal trip to Ontario, CA without breaking the bank.

What you should know to get the cheapest flights

To find the cheapest flights to Ontario, CA, consider these expert tips to stretch your travel budget further:

Book as early as possible: Flight prices generally increase as the departure date approaches, so booking several weeks in advance can secure the best rates for your journey to Ontario, CA.
Be flexible with travel dates: Adjusting your travel dates can have a big impact on airfare. For example, mid-week flights or off-peak times are usually more economical than weekend flights.
Use fare alerts: Set up alerts with eDreams to get notified when prices to Ontario, CA drop. This way, you won’t miss out on the best deals.
Consider alternative airports: If you're willing to explore airports near Ontario, CA, you may find additional savings on flights.
Sign up for eDreams Prime: Become an eDreams Prime member and access exclusive discounts on flights, hotels, and travel extras. This membership can lead to substantial savings, especially for frequent travelers.

When to visit Ontario, CA

Ontario, CA offers unique experiences throughout the year, each season bringing its own charm and appeal. The best time to visit depends on your travel preferences and interests. Whether you want to enjoy the lively high season or the peaceful atmosphere of the low season, there are plenty of activities and attractions to explore.

Visiting Ontario, CA during high season

The high season in Ontario, CA is a bustling time with peak visitor numbers and favorable weather, making it ideal for outdoor activities and sightseeing. The high season typically coincides with pleasant weather, lively festivals, and extended attraction hours. During this time, you’ll experience the vibrant culture of Ontario, CA at its liveliest.

Suggested activities to do in Ontario, CA during high season

Experience the local festivals: Participate in seasonal festivals or national holidays for a chance to immerse yourself in the local culture, from traditional music and dance to street parades.
Visit popular landmarks: Take in the must-see attractions, such as historical sites, iconic landmarks, or famous natural wonders of Ontario, CA.
Enjoy seasonal cuisine: High season often brings with it seasonal food and local specialties, so make sure to savor unique dishes available only during this time.
Explore outdoor adventure sports: With ideal weather, try popular outdoor activities like snorkeling, scuba diving, zip-lining, or hiking for a thrilling experience unique to Ontario, CA.
Take a guided cultural tour: Join a guided tour to learn about Ontario, CA's history, art, and culture from local experts, providing fascinating insights and in-depth knowledge of the area.
Relax at beach resorts: High season is often beach season! Enjoy the vibrant beach scene, with access to water sports, beach clubs, and spectacular sunsets.
Shop at seasonal markets: High season markets are bustling with handcrafted souvenirs, local products, and unique finds. Perfect for travelers looking to bring a piece of Ontario, CA back home.

Visiting Ontario, CA during low season

Low season in Ontario, CA brings a quieter ambiance, perfect for travelers seeking a more laid-back experience. The lower visitor numbers mean you’ll enjoy uncrowded attractions, shorter lines, and lower accommodation rates. The relaxed pace of low season lets you explore the natural beauty and cultural offerings of Ontario, CA at your own pace, making for a refreshing and intimate travel experience.

Recommended activities to do in Ontario, CA during low season

Explore nature and scenic spots: Enjoy serene landscapes and natural attractions without the crowds, from hiking trails to peaceful parks and beaches.
Connect with local life: Stroll through local markets, shops, and eateries at a relaxed pace, allowing you to connect with the local community and experience authentic everyday life.
Take advantage of off-peak discounts: With fewer tourists, you may find reduced rates on tours, excursions, and cultural experiences, letting you enjoy more activities at a lower cost.
Visit museums and galleries: Low season is a great time to explore indoor attractions like museums, galleries, and historical sites at a relaxed pace, enjoying a more intimate experience.
Enjoy scenic drives: Take a peaceful drive through picturesque routes around Ontario, CA’s countryside or coast, stopping at viewpoints and small towns along the way.
Participate in cooking classes: Get hands-on with the local cuisine by joining a cooking class where you can learn to make regional dishes from local chefs.
Unwind at local spas and wellness centers: Treat yourself to wellness and relaxation with special deals on spa treatments, thermal baths, or wellness retreats available during the low season.

Popular routes flying to Ontario, CA

Travelers from around the globe can easily reach Ontario, CA with convenient flights from major cities. Popular routes to Ontario, CA (ONT) are available from several international hubs, including direct and connecting flights. eDreams enables you to search and book these routes with ease, helping you find the best flight options and schedules for a seamless travel experience to Ontario, CA.

Airlines flying to Ontario, CA

A variety of airlines operate flights to Ontario, CA (ONT), giving you plenty of options for both direct and connecting flights. Whether you prefer full-service carriers or budget airlines, eDreams makes it easy to compare fares, travel times, and amenities to find the right choice for you. Some airlines may offer seasonal promotions or discounts, allowing you to book a great deal on your flight to Ontario, CA.

Get your cheap flights to Ontario, CA now at eDreams

Ready to make your travel dreams a reality? Book your flights to Ontario, CA (ONT) with eDreams and enjoy the ease of finding the best fares, whether for business, leisure, or spontaneous adventures. Don’t forget to sign up for eDreams Prime to unlock even greater savings on flights, hotels, and more. Start planning your trip today, and book your affordable flights to Ontario, CA now to embark on an unforgettable journey!

Frequently asked questions about flights to Ontario, CA

How can I find cheap flights to Ontario, CA on eDreams?

At eDreams you will find flights from ฿608 to Ontario, CA. Thanks to the combination of various technologies, machine learning algorithms and real user searches on our platform, you will be able to choose between the different options that best suit your needs when you have to fly to Ontario, CA.

Which airlines fly to Ontario, CA?

Airlines flying direct from Thailand to Ontario, CA include:

Frontier Airlines, with flights from Denver, San Francisco and from Portland, for example.

Airlines with indirect flights to Ontario, CA include:

Frontier Airlines, which flies from New York City, Washington, D.C. (Arlington County), VA or Baltimore, MD.
Alaska Airlines, with flights from New York City, Newark - Nj and also Male.

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. However, if you prefer colder temperatures, make sure you visit Ontario, CA during January, March or 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.