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South Padre Island

$369+ Cheap flights from Ontario (ONT) to South Padre Island, TX

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MFE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Ontario to South Padre Island

Cheapest flights from Ontario to South Padre Island
Explore the most affordable flight options available from Ontario to South Padre Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/235:05 amONT - BRO
2 stops12h 37mUnited Airlines
Sat 12/277:15 amBRO - ONT
1 stop16h 37mUnited Airlines
Deal found 12/17$885
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/256:04 amONT - BRO
1 stop8h 03mUnited Airlines
Sun 12/287:15 amBRO - ONT
1 stop16h 37mUnited Airlines
Deal found 12/17$900
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/216:04 amONT - BRO
1 stop8h 03mUnited Airlines
Tue 12/234:55 pmBRO - ONT
1 stop6h 57mUnited Airlines
Deal found 12/17$991
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/266:04 amONT - BRO
1 stop8h 03mUnited Airlines
Sun 12/284:55 pmBRO - ONT
1 stop6h 57mUnited Airlines
Deal found 12/17$1,051
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/216:04 amONT - BRO
1 stop8h 03mUnited Airlines
Sun 12/285:10 amBRO - ONT
1 stop18h 42mUnited Airlines
Deal found 12/16$1,091
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/226:04 amONT - BRO
1 stop8h 03mUnited Airlines
Sun 12/284:55 pmBRO - ONT
1 stop6h 57mUnited Airlines
Deal found 12/16$1,206

Find flight deals from Ontario to South Padre Island

Keep the following information in mind while searching for Ontario to South Padre Island flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$369
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$528
Provider with most accurate pricing for Los Angeles-Brownsville South Padre Is. Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Brownsville South Padre Is. Intl flights.
Search Deals
From Ontario to South Padre Island
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to South Padre Island 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 18, 2025.
Use the filters below to find and compare flights from Ontario to South Padre Island that are best for you.

Fly from

Ontario

Fly to

South Padre Island

Route

Depart

Return

Price

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Sat 4/11

6:00 am-4:23 pm

1 stop8h 23m

Brownsville South Padre Is. Intl

Wed 4/15

5:25 pm-10:11 pm

1 stop6h 46m

$369

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Mon 12/29

6:04 am-4:07 pm

1 stop8h 03m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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

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

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

Currently, April is the cheapest month in which you can book a flight from Ontario to South Padre Island (average of $83). Flying from Ontario to South Padre Island in March is currently the most expensive (average of $272). 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 Ontario to South Padre Island. 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 from for flights from Ontario to South Padre Island?

    If you book a flight to South Padre Island from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to South Padre Island per day from 3 different airlines.

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

    Airlines like United Airlines fly from Ontario to South Padre Island in about 8h 23m. The time it takes to get you to your destination can typically vary by up to . The distance from Ontario to South Padre Island is about 1328 mi.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Ontario to South Padre Island (average of $83). Flying from Ontario to South Padre Island in March is currently the most expensive (average of $272). 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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Alternative routes for Ontario to South Padre Island

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Top 3 airlines flying from Ontario to South Padre Island

Discover the top 3 airlines that operate flights from Ontario to South Padre Island. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$174Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$249Average$328FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$250Average$263FlexibilityNo cancel feeOn-time63%

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