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$120+ Cheap flights from Santa Ana, CA to Ontario (SNA - 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ONT
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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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 November 10, 2025.

Round-trip from

$179
(Kiwi.com)
From Santa Ana J. Wayne/Orange Cnty to Ontario
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Find flight deals from Santa Ana to Ontario

Cheapest flights from Santa Ana to Ontario
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 November 10, 2025.

This Trip.com deal was found by Cheapflights users on 11/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:39 amSNA - ONT
1 stop9h 38mMultiple Airlines
Tue 12/166:15 amONT - SNA
1 stop16h 08mMultiple Airlines
Deal found 11/10$120
This Trip.com deal was found by Cheapflights users on 11/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:45 amSNA - ONT
1 stop14h 21mMultiple Airlines
Sun 11/236:30 amONT - SNA
1 stop6h 02mMultiple Airlines
Deal found 11/8$220
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/152:20 pmSNA - ONT
2 stops33h 20mMultiple Airlines
Sat 11/226:30 amONT - SNA
1 stop10h 21mMultiple Airlines
Deal found 11/8$248
This Trip.com deal was found by Cheapflights users on 11/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:45 amSNA - ONT
1 stop7h 41mMultiple Airlines
Sun 11/236:30 amONT - SNA
1 stop6h 02mMultiple Airlines
Deal found 11/8$267
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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.
Sat 12/62:00 pmSNA - ONT
1 stop6h 03mAlaska Airlines
Sat 12/136:00 amONT - SNA
1 stop10h 37mAlaska Airlines
Deal found 11/8$334
This Trip.com deal was found by Cheapflights users on 11/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:45 amSNA - ONT
1 stop14h 21mMultiple Airlines
Sun 11/236:30 amONT - SNA
1 stop15h 43mMultiple Airlines
Deal found 11/9$384
This Trip.com deal was found by Cheapflights users on 11/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:45 amSNA - ONT
1 stop15h 12mMultiple Airlines
Sat 11/158:00 amONT - SNA
1 stop13h 01mMultiple Airlines
Deal found 11/8$402
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 12/147:45 amSNA - ONT
1 stop10h 48mAlaska Airlines
Tue 1/1311:53 amONT - SNA
1 stop8h 06mAlaska Airlines
Deal found 11/9$404
This Trip.com deal was found by Cheapflights users on 11/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:49 pmSNA - ONT
1 stop5h 08mFrontier
Sat 11/151:37 pmONT - SNA
2 stops21h 39mFrontier
Deal found 11/8$429

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 November 10, 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

Tue 12/9

11:39 am-9:17 pm

1 stop9h 38m

Ontario

Tue 12/16

6:15 am-10:23 pm

1 stop16h 08m

$120

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Thu 1/1

11:11 am-5:22 pm

1 stop6h 11m

Ontario

Mon 1/5

6:00 am-7:21 pm

1 stop13h 21m

$179

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sat 11/22

6:45 am-9:06 pm

1 stop14h 21m

Ontario

Sun 11/23

6:30 am-12:32 pm

1 stop6h 02m

$220

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 11/21

6:45 am-2:26 pm

1 stop7h 41m

Ontario

Sun 11/23

6:30 am-12:32 pm

1 stop6h 02m

$267

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sat 12/6

2:00 pm-8:03 pm

1 stop6h 03m

Ontario

Sat 12/13

6:00 am-4:37 pm

1 stop10h 37m

$334

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 4/10

11:44 am-5:12 pm

1 stop5h 28m

Ontario

Tue 4/14

1:30 pm-7:15 pm

1 stop5h 45m

$393

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sun 12/14

7:45 am-6:33 pm

1 stop10h 48m

Ontario

Tue 1/13

11:53 am-7:59 pm

1 stop8h 06m

$404

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 4/10

2:10 pm-8:13 pm

1 stop6h 03m

Ontario

Tue 4/14

7:00 am-5:16 pm

1 stop10h 16m

$492

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sat 11/22

10:58 am-9:06 pm

1 stop10h 08m

Ontario

Sun 11/23

6:30 am-10:13 am

2 stops27h 43m

$704

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 11/21

10:58 am-9:06 pm

1 stop10h 08m

Ontario

Sun 11/23

6:30 am-10:13 am

2 stops27h 43m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

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, California to Ontario?

Currently, March is the cheapest month in which you can book a flight from Santa Ana, California to Ontario (average of $102). Flying from Santa Ana, California to Ontario in August is currently the most expensive (average of $444). 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.

Related info for your journey

Find useful and relevant information for your journey from Santa Ana to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Santa Ana to Ontario that include hotel bookings?

    Yes. In addition to deals on Santa Ana to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Ana to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Ana to Ontario.

  • Can I find deals for business class flights from Santa Ana to Ontario?

    Yes. Cheapflights offers flight deals from Santa Ana to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Ana, California to Ontario?

    Currently, March is the cheapest month in which you can book a flight from Santa Ana, California to Ontario (average of $102). Flying from Santa Ana, California to Ontario in August is currently the most expensive (average of $444). 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.

See more FAQs

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