Cheap Flight Deals to Ontario CA from CA $149
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How to find cheap flights to Ontario?
The cheapest prices found with in the last 7 days for return flights were CA $135 and CA $149 for one-way flights to Ontario for the period specified. Prices and availability are subject to change. Additional terms apply
| Origin | Destination | Travel dates | Flights from* |
|---|---|---|---|
| SEA | Los Angeles | May 9 to May 20 | CA $135 |
| SFO | San Bernardino | May 10 to May 11 | CA $140 |
| SEA | Santa Ana | May 9 to May 13 | CA $188 |
| PDX | Santa Ana | April 25 to April 28 | CA $243 |
| DEN | Los Angeles | April 14 to April 21 | CA $273 |
| SEA | Los Angeles | May 5 to May 20 | CA $285 |
| ATL | Santa Ana | May 13 to June 2 | CA $369 |
| SFO | Santa Ana | May 2 to May 4 | CA $415 |
| PHX | Santa Ana | May 11 to May 19 | CA $466 |
| DFW | Los Angeles | April 25 to April 27 | CA $579 |
| DFW | Santa Ana | April 10 to April 13 | CA $591 |
| DEN | Santa Ana | March 23 to March 25 | CA $799 |
| SFO | Los Angeles | April 9 to April 12 | CA $1,244 |
| ATL | Los Angeles | March 25 to March 29 | CA $2,165 |
| Origin | Destination | Travel dates | Flights from* |
|---|---|---|---|
| SEA | Los Angeles | March 14 to March 31 | CA $571 |
| PAE | Santa Ana | March 15 to April 1 | CA $572 |
| SEA | Los Angeles | March 14 to March 28 | CA $680 |
| PDX | Los Angeles | March 15 to March 19 | CA $728 |
| PDX | Santa Ana | March 14 to March 18 | CA $783 |
| ATL | Los Angeles | March 13 to March 17 | CA $1,082 |
Your guide to flights to Ontario, CA
Alaska Airlines, WestJet, Air Canada fly to Ontario, so use Travelocity to search, find, and compare some truly tempting deals from the 4 airlines—that way you can be sure you’ve found the best deal for you. A flight to Ontario CA currently costs between CA $135 and CA $2,165. Prices vary, but for the best fares, travel in May when prices are at their lowest.
Top tips for finding cheap flights to Ontario
The cheapest flight for a round trip to Ontario is currently CA $135. When you search for flights to Ontario, enter your preferred travel dates then click on ‘flexible dates’ to compare cheap flight tickets to Ontario for nearby days. The cheapest month to travel to Ontario is March from our list of deals available.
But if you’re flexible about when you travel, you can find great deals on flights across the year. If you’re planning a vacation, you can save more on Travelocity when you bundle flights with car rental and hotel bookings, too. Many airlines currently offer flexible booking options, so look for flights offering no change fees.
How to cancel flights to Ontario
We know plans change, that’s why at Travelocity, we make it as easy as possible for you to cancel or amend your plane tickets. Go to My Trips, enter your itinerary number, then follow the instructions. Many airlines let you cancel flights online free of charge if you booked it in the last 24 hours. Visit Customer Service for more advice.
Why you should book your flight to Ontario with Travelocity
We have top deals on plane tickets even for last minute flights to Ontario, so you can simply type in your travel dates and compare our best prices. Booking with Travelocity means you get flexible cancellation options, 24/7 support, and, thanks to our Price Match Promise, if the airfare drops after you book, you can get a refund! Whether you’re planning a business trip, weekend getaway, or a family vacation—let Travelocity get you to Ontario for less.
Find The Perfect Hotel For After Your Flight
Amazing Place to Stay After Flight to Ontario
Comfort Inn & Suites near Ontario Airport
Staff is always kind and courteous!!
Reviewed on Mar 11, 2026
Azure Hotel & Suites, Trademark Collection by Wyndham
This property was clean and has a friendly staff
Reviewed on Mar 10, 2026
Hotel Hacienda at Ontario Ranch
First time ive stayed here. Its a little gem that i didnt know about. Nice staff, nice rooms, couldn't say anything bad about the place. Enjoyed my stay here. Will definitely return.
Reviewed on Mar 9, 2026
Express Inn & Suites
Wonderful stay at Express Inn in Ontario! The room was clean, comfortable, and well-maintained. The staff were friendly and helpful, making check-in quick and easy. The location is convenient with plenty of nearby restaurants and shops. Overall, a pleasant and hassle-free stay—great value for the ...
Reviewed on Mar 8, 2026
Our Top Ontario hotel with Airport Shuttles
Azure Hotel & Suites, Trademark Collection by Wyndham
This property was clean and has a friendly staff
Reviewed on Mar 10, 2026
Delta Hotels by Marriott Ontario Airport
Hotel areas were clean, room was clean and stocked. No issues, enjoyed my stay.
Reviewed on Mar 9, 2026
Best Western Ontario Mills Mall
Very clean peaceful environment
Reviewed on Mar 1, 2026
Ayres Suites Ontario at the Mills Mall - Rancho Cucamonga
Did not use these
Reviewed on Mar 10, 2026
Luxury Hotels in Ontario
Azure Hotel & Suites, Trademark Collection by Wyndham
This property was clean and has a friendly staff
Reviewed on Mar 10, 2026
Ontario Airport Hotel & Conference Center
It was under construction, but isnt worth anything over $100
Reviewed on Mar 10, 2026
Best Western Plus Ontario Airport & Convention Center
Staff was great. This location was very convenient for the Ontario airport, shuttle was super efficient.
Reviewed on Mar 9, 2026
Comfort Suites Ontario Airport Convention Center
.
Reviewed on Mar 1, 2026
Family Friendly Hotels in Ontario
Azure Hotel & Suites, Trademark Collection by Wyndham
This property was clean and has a friendly staff
Reviewed on Mar 10, 2026
Country Inn & Suites by Radisson, Ontario at Ontario Mills, CA
Gloomy dark ambiance. Felt a little outdated
Reviewed on Feb 27, 2026
Hotel d’Lins Ontario Airport
found a bed bug in my bed the breakfast was not good at all
Reviewed on Mar 8, 2026
Embassy Suites Ontario Airport
Everything was clean and the breakfast was great!
Reviewed on Mar 8, 2026
Best Ontario Flight and Hotel Packages
Ontario flight + hotel packages - economy flights
Ontario flight + hotel packages - business class flights
Need a car after flight to Ontario?
Economy
Compact
Midsize
SUV
Frequently asked questions
Plane Tickets To Ontario
Although you may try and resist the urge, you know that when the travel bug comes, there is only one way to get rid of it. Thankfully, Travelocity is here to help nip that travel bug in the bud with great deals on flights to Ontario. Browse through our inventory to explore a wide range of cheap flights to Ontario to solidify your next big trip out of town. Whether you are heading out on a business trip, exploring a place you have never been for pleasure or are bringing the family on the annual vacation, we have the perfect getaway waiting for you. In no time, you will be day dreaming of your plane landing in Ontario as you anxiously await to exit the plane and explore what Ontario has to offer. Considering all the amazing local food and culture in Ontario, we won't hold this against you.
When you are ready to embark on your next big adventure, Travelocity will be right here waiting to open the doors to the garden so that you can go and smell the roses. When you decide to book and travel is entirely up to you, but don't wait too long because we have some of the best deals on the web and they won't last long. Take time to go through our huge selection of cheap flights to Ontario to find the best deals that fit into your budget. If browsing on your phone while your boss isn't looking is more your thing (we promise we won't tell), consider checking out Travelocity's mobile app which allows you to take advantage of all our flights to Ontario without having to compromise your work computer's search history. If you are looking to save even more, you can easily save up to $537 when you bundle one of our cheap flights to Ontario with one of our hotels. So why are you waiting around? There is no better time than now to start booking that next trip. Start your search now to book one of our flights to Ontario today!
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- Car rental Chino
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