$187+ Cheap flights from Santa Ana to Ontario (SNA - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ONT
Aug 4 — Aug 111
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Santa Ana to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Santa Ana (SNA) 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 July 30, 2025.
Round-trip from | $302 (Alaska Airlines) |
|---|---|
One-way from | $187 (United Airlines) |
Find flight deals from Santa Ana to Ontario
Cheapest flights from Santa Ana to OntarioExplore the most affordable flight options available from Santa Ana to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.
Explore the most affordable flight options available from Santa Ana to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:45 amSNA - ONT
1 stop7h 24mAlaska Airlines
Wed 9/311:39 amONT - SNA
1 stop10h 51mAlaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:15 amSNA - ONT
1 stop9h 22mUnited Airlines
Mon 9/16:00 amONT - SNA
1 stop6h 16mUnited Airlines
Deal found 7/30![United Airlines logo]()
$589
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Ana 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 July 30, 2025.
Use the filters below to find and compare flights from Santa Ana to Ontario that are best for you.
Fly from
Santa Ana
Fly to
Ontario
Route
Depart
Return
Price
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Wed 8/27
6:45 am-2:09 pm
1 stop7h 24m
Ontario
Wed 9/3
11:39 am-10:30 pm
1 stop10h 51m
$302
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Sun 8/24
8:15 am-5:37 pm
1 stop9h 22m
Ontario
Mon 9/1
6:00 am-12:16 pm
1 stop6h 16m
$589
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Tue 8/26
7:30 am-8:33 pm
1 stop13h 03m
$187
Best time to book a flight from Santa Ana to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Santa Ana with our price prediction graph.
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.
Cheapflights Insights
Everything you need to know about your flight from Santa Ana to Ontario
What is the cheapest month to book a flight from Santa Ana to Ontario?
Currently, August is the cheapest month in which you can book a flight from Santa Ana to Ontario (average of $246). Flying from Santa Ana to Ontario in March is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines and United Airlines from Santa Ana to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Overall
8.0
Food
7.1
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.8
Overall
8.0
Food
7.1
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.8
Overall
8.0
Food
7.1
Entertainment
7.1
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO