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$310+ Cheap flights from South Padre Island, TX 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — ONT
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from South Padre Island to Ontario

Best flights from South Padre Island to Ontario
Discover carefully curated flight deals from South Padre Island to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.

This American Airlines deal was found by Cheapflights users on 12/20. 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.
Wed 6/38:09 pmBRO - ONT
1 stop5h 23mAmerican Airlines
Tue 6/91:22 amONT - BRO
1 stop6h 25mAmerican Airlines
Deal found 12/20$338
This United Airlines deal was found by Cheapflights users on 12/19. 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 2/35:25 pmBRO - ONT
1 stop6h 34mUnited Airlines
Sat 2/76:00 amONT - BRO
1 stop8h 12mUnited Airlines
Deal found 12/19$369
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sat 1/247:15 amBRO - ONT
2 stops12h 36mUnited Airlines
Tue 1/278:00 amONT - BRO
1 stop8h 02mUnited Airlines
Deal found 12/18$374
This United Airlines deal was found by Cheapflights users on 12/19. 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 1/75:25 pmBRO - ONT
1 stop6h 33mUnited Airlines
Mon 1/125:05 amONT - BRO
2 stops14h 26mUnited Airlines
Deal found 12/19$510
This United Airlines deal was found by Cheapflights users on 12/20. 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 6/312:07 pmBRO - ONT
2 stops12h 59mUnited Airlines
Wed 6/101:00 pmONT - BRO
2 stops8h 03mUnited Airlines
Deal found 12/20$580

Find flight deals from South Padre Island to Ontario

Keep the following information in mind while searching for South Padre Island to Ontario flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$338
(American Airlines)

One-way from

$310
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$627
Provider with most accurate pricing for Brownsville South Padre Is. Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Brownsville South Padre Is. Intl-Los Angeles flights.
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From South Padre Island to Ontario
Search Deals
One-way flight from South Padre Island to Ontario
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from South Padre Island 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 December 21, 2025.
Use the filters below to find and compare flights from South Padre Island to Ontario that are best for you.

Fly from

South Padre Island

Fly to

Ontario

Route

Depart

Return

Price

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Wed 6/3

8:09 pm-11:32 pm

1 stop5h 23m

Ontario

Tue 6/9

1:22 am-9:47 am

1 stop6h 25m

$338

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Tue 2/3

5:25 pm-9:59 pm

1 stop6h 34m

Ontario

Sat 2/7

6:00 am-4:12 pm

1 stop8h 12m

$369

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Sat 1/24

7:15 am-5:51 pm

2 stops12h 36m

Ontario

Tue 1/27

8:00 am-6:02 pm

1 stop8h 02m

$374

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Wed 1/7

5:25 pm-9:58 pm

1 stop6h 33m

Ontario

Mon 1/12

5:05 am-9:31 pm

2 stops14h 26m

$510

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Wed 6/3

12:07 pm-11:06 pm

2 stops12h 59m

Ontario

Wed 6/10

1:00 pm-11:03 pm

2 stops8h 03m

$580

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Tue 1/6

5:25 pm-9:59 pm

1 stop6h 34m

$310

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Wed 1/7

7:15 am-8:58 pm

2 stops15h 43m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Best time to book a flight from South Padre Island to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from South Padre Island 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 South Padre Island to Ontario

What is the cheapest month to book a flight from South Padre Island to Ontario?

Currently, July is the cheapest month in which you can book a flight from South Padre Island to Ontario (average of $122). Flying from South Padre Island to Ontario in December is currently the most expensive (average of $263). 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 South Padre Island 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 South Padre Island?

    For a flight from South Padre Island to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 inbound flights from South Padre Island per day. 1 airline has flights to Ontario from South Padre Island on a regular basis.

  • How long is the flight from South Padre Island to Ontario?

    For as low as $338, American Airlines can have you in Ontario from South Padre Island in 5h 23m. The distance between South Padre Island and Ontario is about 1328 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from South Padre Island to Ontario that include hotel bookings?

    Yes. In addition to deals on South Padre Island to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Padre Island to Ontario?

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

  • Can I find deals for business class flights from South Padre Island to Ontario?

    Yes. Cheapflights offers flight deals from South Padre Island 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 South Padre Island to Ontario?

    Currently, July is the cheapest month in which you can book a flight from South Padre Island to Ontario (average of $122). Flying from South Padre Island to Ontario in December is currently the most expensive (average of $263). 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.

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Alternative routes for South Padre Island to Ontario

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Top airline flying from South Padre Island to Ontario

Discover the top airline that operate flights from South Padre Island to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$192Average$396FlexibilityNo cancel feeOn-time71%

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