$533+ Cheap flights from Waco to Ontario (ACT - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
ACT — ONT
Mar 5 — Mar 121
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Waco to OntarioExplore the most affordable flight options available from Waco to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Waco to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:01 pm
ACT
- ONT
1 stop6h 35m
American Airlines
Sun 5/2410:25 am
ONT
- ACT
1 stop5h 06m
American Airlines
Deal found 2/1![American Airlines logo]()
$533
Best flights from Waco to OntarioDiscover carefully curated flight deals from Waco to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Waco to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:01 pm
ACT
- ONT
1 stop6h 35m
American Airlines
Sun 5/2410:25 am
ONT
- ACT
1 stop5h 06m
American Airlines
Deal found 2/1![American Airlines logo]()
$533
Find flight deals from Waco to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Waco (ACT) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $533 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Waco to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Waco to Ontario that are best for you.
Fly from
Waco
Fly to
Ontario
Route
Depart
Return
Price
WacoOntario
ACT - ONT
ACTONT
Waco
Thu 5/21
6:01 pm-10:36 pm
1 stop6h 35m
Ontario
Sun 5/24
10:25 am-5:31 pm
1 stop5h 06m
$533
- Most accurate provider: When it comes to deals on Waco-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Waco-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Waco-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Waco-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Waco-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Waco to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Waco with our price prediction graph.
ACT-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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Everything you need to know about your flight from Waco to Ontario
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