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$84+ Cheap flights from Santa Ana, CA 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ONT
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$133
(Kiwi.com)

One-way from

$84
(Trip.com)
Provider with most accurate pricing for Santa Ana J. Wayne/Orange Cnty-Ontario flight deals.
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Provider most trusted by Cheapflights users for Santa Ana J. Wayne/Orange Cnty-Ontario flights.
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From Santa Ana J. Wayne/Orange Cnty to Ontario
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One-way flight 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 January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Wed 2/111:20 pm
SNA
-
ONT
1 stop5h 02m
Multiple Airlines
Wed 2/187:17 pm
ONT
-
SNA
1 stop12h 56m
Multiple Airlines
Deal found 1/14$133
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/141:20 pm
SNA
-
ONT
1 stop5h 54m
Multiple Airlines
Sun 2/1510:18 pm
ONT
-
SNA
1 stop9h 55m
Multiple Airlines
Deal found 1/13$149
This Trip.com deal was found by Cheapflights users on 1/14. 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 2/76:45 am
SNA
-
ONT
1 stop11h 55m
Multiple Airlines
Mon 2/91:05 pm
ONT
-
SNA
1 stop7h 52m
Multiple Airlines
Deal found 1/14$164
This Trip.com deal was found by Cheapflights users on 1/15. 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 2/136:45 am
SNA
-
ONT
1 stop6h 41m
Multiple Airlines
Fri 2/208:07 am
ONT
-
SNA
1 stop12h 50m
Multiple Airlines
Deal found 1/15$205
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 2/265:14 pm
SNA
-
ONT
1 stop6h 18m
Alaska Airlines
Sat 2/2812:02 pm
ONT
-
SNA
1 stop7h 04m
Alaska Airlines
Deal found 1/13$323
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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.
Mon 3/163:01 pm
SNA
-
ONT
1 stop8h 31m
Alaska Airlines
Mon 3/306:00 am
ONT
-
SNA
1 stop10h 29m
Alaska Airlines
Deal found 1/13$373
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Thu 1/151:20 pm
SNA
-
ONT
1 stop4h 24m
Multiple Airlines
Fri 1/3010:18 am
ONT
-
SNA
1 stop5h 24m
Multiple Airlines
Deal found 1/14$390
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Mon 2/239:00 am
SNA
-
ONT
1 stop11h 50m
United Airlines
Wed 2/256:09 am
ONT
-
SNA
1 stop8h 46m
United Airlines
Deal found 1/14$497

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 January 15, 2026.
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 2/11

1:20 pm-6:22 pm

1 stop5h 02m

Ontario

Wed 2/18

7:17 pm-8:13 am

1 stop12h 56m

$133

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sat 2/14

1:20 pm-7:14 pm

1 stop5h 54m

Ontario

Sun 2/15

10:18 pm-8:13 am

1 stop9h 55m

$149

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sat 2/7

6:45 am-6:40 pm

1 stop11h 55m

Ontario

Mon 2/9

1:05 pm-8:57 pm

1 stop7h 52m

$164

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 2/13

6:45 am-1:26 pm

1 stop6h 41m

Ontario

Fri 2/20

8:07 am-8:57 pm

1 stop12h 50m

$205

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Thu 2/26

5:14 pm-11:32 pm

1 stop6h 18m

Ontario

Sat 2/28

12:02 pm-7:06 pm

1 stop7h 04m

$323

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Mon 3/16

3:01 pm-11:32 pm

1 stop8h 31m

Ontario

Mon 3/30

6:00 am-4:29 pm

1 stop10h 29m

$373

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Mon 2/23

9:00 am-8:50 pm

1 stop11h 50m

Ontario

Wed 2/25

6:09 am-2:55 pm

1 stop8h 46m

$497

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 6/19

2:14 pm-11:54 pm

1 stop9h 40m

Ontario

Mon 6/22

7:00 am-1:26 pm

1 stop6h 26m

$523

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Tue 2/3

6:45 am-1:37 pm

1 stop6h 52m

$84

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 3/20

8:34 pm-9:39 am

1 stop13h 05m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

  • Most accurate provider: When it comes to deals on Santa Ana, California-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Ana, California-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Ana, California-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Ana, California-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 Santa Ana, California-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 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 $100). 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 $100). 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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