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Ontario

$104+ Cheap flights from Orange County to Ontario (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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — ONT
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap flight deals from Orange County to Ontario

Keep the following information in mind while searching for Orange County to Ontario flight deals. Data was last updated August 2, 2025.

Round-trip from

$357
(Trip.com)

One-way from

$104
(Trip.com)
From Orange County to Ontario
Search Deals
One-way flight from Orange County to Ontario
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Find flight deals from Orange County to Ontario

Cheapest flights from Orange County to Ontario
Explore the most affordable flight options available from Orange County to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This Trip.com deal was found by Cheapflights users on 7/31. 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 8/156:45 amSNA - ONT
1 stop5h 08mMultiple Airlines
Sun 8/176:00 amONT - SNA
1 stop15h 21mMultiple Airlines
Deal found 7/31$357
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 9/27:30 amSNA - ONT
1 stop10h 07mUnited Airlines
Mon 11/36:00 amONT - SNA
1 stop12h 18mUnited Airlines
Deal found 7/31$358
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:01 amLGB - ONT
1 stop16h 41mDelta
Mon 10/66:00 amONT - LGB
1 stop15h 33mDelta
Deal found 7/31$417
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/19:15 pmSNA - ONT
1 stop13h 29mAlaska Airlines
Mon 11/37:20 amONT - SNA
1 stop13h 17mAlaska Airlines
Deal found 7/31$427
This Trip.com deal was found by Cheapflights users on 7/31. 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 8/153:32 pmSNA - ONT
1 stop5h 20mFrontier
Sun 8/176:00 amONT - SNA
2 stops8h 47mFrontier
Deal found 7/31$455
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 8/117:45 amLGB - ONT
1 stop13h 42mAlaska Airlines
Mon 8/189:00 amONT - LGB
1 stop34h 50mAlaska Airlines
Deal found 7/29$1,183

Cheapflights Fare Finder

 
Customize your flight search to find flights from Orange County 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, 2025.
Use the filters below to find and compare flights from Orange County to Ontario that are best for you.

Fly from

Orange County

Fly to

Ontario

Route

Depart

Return

Price

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 8/15

6:45 am-11:53 am

1 stop5h 08m

Ontario

Sun 8/17

6:00 am-9:21 pm

1 stop15h 21m

$357

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Tue 9/2

7:30 am-5:37 pm

1 stop10h 07m

Ontario

Mon 11/3

6:00 am-6:18 pm

1 stop12h 18m

$358

Long BeachOntario

LGB - ONT

LGBONT

Long Beach Municipal

Thu 10/2

7:01 am-11:42 pm

1 stop16h 41m

Ontario

Mon 10/6

6:00 am-9:33 pm

1 stop15h 33m

$417

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Mon 9/1

9:15 pm-10:44 am

1 stop13h 29m

Ontario

Mon 11/3

7:20 am-8:37 pm

1 stop13h 17m

$427

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 8/15

3:32 pm-8:52 pm

1 stop5h 20m

Ontario

Sun 8/17

6:00 am-2:47 pm

2 stops8h 47m

$455

Long BeachOntario

LGB - ONT

LGBONT

Long Beach Municipal

Mon 8/11

7:45 am-9:27 pm

1 stop13h 42m

Ontario

Mon 8/18

9:00 am-7:50 pm

1 stop34h 50m

$1,183

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Fri 9/5

1:00 pm-9:55 pm

1 stop8h 55m

$104

Santa AnaOntario

SNA - ONT

SNAONT

Santa Ana J. Wayne/Orange Cnty

Sat 8/16

1:51 pm-11:59 pm

1 stop10h 08m

$342

Long BeachOntario

LGB - ONT

LGBONT

Long Beach Municipal

Fri 8/15

1:15 pm-12:14 pm

1 stop22h 59m

$362

Long BeachOntario

LGB - ONT

LGBONT

Long Beach Municipal

Fri 8/15

7:45 am-9:27 pm

1 stop13h 42m

$816

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Orange County to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Orange County 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 Orange County to Ontario
No data available for this route at this time. Please check back soon.

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 August 2, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Orange County to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What airport do you fly into for flights to Ontario from Orange County?

    If you book a flight to Ontario from Orange County, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • Can I find deals for flights from Orange County to Ontario that include hotel bookings?

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

  • How can I find direct flights from Orange County to Ontario?

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

  • Can I find deals for business class flights from Orange County to Ontario?

    Yes. Cheapflights offers flight deals from Orange County 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 Orange County to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Orange County to Ontario (average of $246). Flying from Orange County 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.

See more FAQs

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