$125+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ONT
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Find cheap flights from Santa Ana to Ontario with Cheapflights
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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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
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Best
Last-minute
One-way
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 August 2, 2026.
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 August 2, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:53 pm
SNA
- ONT
1 stop12h 10m
Frontier
Thu 9/33:40 pm
ONT
- SNA
1 stop20h 51m
Frontier
Deal found 7/30![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/267:30 am
SNA
- ONT
1 stop8h 24m
Multiple Airlines
Wed 9/23:40 pm
ONT
- SNA
1 stop20h 51m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sun 8/237:53 pm
SNA
- ONT
1 stop12h 10m
Multiple Airlines
Mon 9/73:40 pm
ONT
- SNA
1 stop23h 21m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$270
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:09 am
SNA
- ONT
1 stop24h 55m
Frontier
Fri 9/410:17 pm
ONT
- SNA
2 stops39h 25m
Frontier
Deal found 7/30![Frontier logo]()
$275
Best flights from Santa Ana to OntarioDiscover carefully curated flight deals from Santa Ana to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from Santa Ana to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:53 pm
SNA
- ONT
1 stop20h 29m
Frontier
Thu 9/311:15 am
ONT
- SNA
2 stops7h 48m
Frontier
Deal found 7/30![Frontier logo]()
$239
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:32 am
SNA
- ONT
1 stop6h 33m
Alaska Airlines
Mon 11/26:00 am
ONT
- SNA
1 stop11h 56m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$448
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.
Thu 8/207:05 am
SNA
- ONT
1 stop12h 56m
United Airlines
Mon 8/246:00 am
ONT
- SNA
1 stop9h 30m
United Airlines
Deal found 7/30![United Airlines logo]()
$483
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:09 am
SNA
- ONT
1 stop24h 55m
Frontier
Fri 9/410:17 pm
ONT
- SNA
2 stops39h 25m
Frontier
Deal found 7/30![Frontier logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 8/2111:39 am
SNA
- ONT
1 stop4h 08m
Alaska Airlines
Tue 8/2512:00 pm
ONT
- SNA
1 stop9h 30m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 8/217:05 am
SNA
- ONT
1 stop11h 06m
United Airlines
Wed 8/266:08 am
ONT
- SNA
1 stop9h 22m
United Airlines
Deal found 7/29![United Airlines logo]()
$552
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 8/2211:44 am
SNA
- ONT
1 stop4h 08m
Alaska Airlines
Fri 8/283:07 pm
ONT
- SNA
1 stop7h 23m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 8/217:05 am
SNA
- ONT
1 stop11h 06m
United Airlines
Thu 8/279:01 am
ONT
- SNA
1 stop11h 50m
United Airlines
Deal found 7/29![United Airlines logo]()
$562
Last-minute flights from Santa Ana to OntarioDiscover last-minute flight deals from Santa Ana to Ontario. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Ana to Ontario. Data last updated August 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sun 8/237:53 pm
SNA
- ONT
1 stop12h 10m
Multiple Airlines
Mon 9/73:40 pm
ONT
- SNA
1 stop23h 21m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/267:30 am
SNA
- ONT
1 stop8h 24m
Multiple Airlines
Wed 9/23:40 pm
ONT
- SNA
1 stop20h 51m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$225
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:53 pm
SNA
- ONT
1 stop12h 10m
Frontier
Thu 9/33:40 pm
ONT
- SNA
1 stop20h 51m
Frontier
Deal found 7/30![Frontier logo]()
$205
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:09 am
SNA
- ONT
1 stop24h 55m
Frontier
Fri 9/410:17 pm
ONT
- SNA
2 stops39h 25m
Frontier
Deal found 7/30![Frontier logo]()
$275
One-way flights from Santa Ana to OntarioSearch for one-way flight options from Santa Ana to Ontario. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Santa Ana to Ontario. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sun 9/276:00 pm
SNA
- ONT
1 stop25h 36m
Frontier
Deal found 7/29![Frontier logo]()
$125
This American Airlines deal was found by Cheapflights users on 7/29. 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 12/319:59 am
SNA
- ONT
1 stop8h 29m
American Airlines
Deal found 7/29![American Airlines logo]()
$229
This Priceline deal was found by Cheapflights users on 7/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:44 am
SNA
- ONT
1 stop4h 08m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$247
This Priceline deal was found by Cheapflights users on 8/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:39 am
SNA
- ONT
1 stop4h 08m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 12/2511:28 am
SNA
- ONT
1 stop4h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:30 am
SNA
- ONT
1 stop24h 33m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$286
This Priceline deal was found by Cheapflights users on 7/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:38 am
SNA
- ONT
1 stop5h 34m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 12/308:46 am
SNA
- ONT
1 stop12h 23m
United Airlines
Deal found 7/29![United Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:27 pm
SNA
- ONT
2 stops17h 36m
Frontier
Deal found 8/1![Frontier logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 12/2811:28 am
SNA
- ONT
1 stop4h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 12/2711:28 am
SNA
- ONT
1 stop4h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$382
Find 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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $205 (Kiwi.com) |
One-way from | $125 (Kiwi.com) |
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 August 2, 2026.
Use the filters below to find and compare flights from Santa Ana to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Thu 8/27
7:53 pm-4:22 pm
1 stop20h 29m
Ontario
Thu 9/3
11:15 am-7:03 pm
2 stops7h 48m
$239
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Fri 8/28
9:09 am-10:04 am
1 stop24h 55m
Ontario
Fri 9/4
10:17 pm-1:42 pm
2 stops39h 25m
$275
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Thu 10/29
10:32 am-5:05 pm
1 stop6h 33m
Ontario
Mon 11/2
6:00 am-5:56 pm
1 stop11h 56m
$448
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Thu 8/20
7:05 am-8:01 pm
1 stop12h 56m
Ontario
Mon 8/24
6:00 am-3:30 pm
1 stop9h 30m
$483
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Fri 8/21
11:39 am-3:47 pm
1 stop4h 08m
Ontario
Tue 8/25
12:00 pm-9:30 pm
1 stop9h 30m
$528
Quickest round-trip
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Sat 8/22
11:44 am-3:52 pm
1 stop4h 08m
Ontario
Fri 8/28
3:07 pm-10:30 pm
1 stop7h 23m
$543
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Fri 8/21
7:05 am-6:11 pm
1 stop11h 06m
Ontario
Wed 8/26
6:08 am-3:30 pm
1 stop9h 22m
$552
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Fri 8/21
7:05 am-6:11 pm
1 stop11h 06m
Ontario
Thu 8/27
9:01 am-8:51 pm
1 stop11h 50m
$562
Cheapest one-way
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Sun 9/27
6:00 pm-7:36 pm
1 stop25h 36m
$125
Quickest one-way
Santa AnaOntario
SNA - ONT
SNAONT
Santa Ana J. Wayne/Orange Cnty
Tue 9/8
11:39 am-3:47 pm
1 stop4h 08m
$257
Showing 1-10 of 19 resultsSorted by cheapest first
- 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.
SNA-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.
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.
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