$321+ Cheap flights from Brownsville to Ontario (BRO - ONT)
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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — ONT
ago. 6 — ago. 131
1 adult, Economy
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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 Brownsville to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Brownsville (BRO) 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 agosto 1, 2025.
Round-trip from | $321 (American Airlines) |
|---|---|
Popular in | January |
Cheapest in | September |
Average price | $466 |
Find flight deals from Brownsville to Ontario
Cheapest flights from Brownsville to OntarioExplore the most affordable flight options available from Brownsville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 1, 2025.
Explore the most affordable flight options available from Brownsville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 1, 2025.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/215:37 amBRO - ONT
1 stop6h 22mAmerican Airlines
mié. 8/276:10 amONT - BRO
1 stop6h 24mAmerican Airlines
Deal found 7/30![American Airlines logo]()
$321
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.
sáb. 9/65:15 pmBRO - ONT
1 stop6h 10mUnited Airlines
mié. 9/106:04 amONT - BRO
1 stop7h 59mUnited Airlines
Deal found 7/31![United Airlines logo]()
$349
Cheapflights Fare Finder
Customize your flight search to find flights from Brownsville 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 agosto 1, 2025.
Use the filters below to find and compare flights from Brownsville to Ontario that are best for you.
Fly from
Brownsville
Fly to
Ontario
Route
Depart
Return
Price
BrownsvilleOntario
BRO - ONT
BROONT
Brownsville South Padre Is. Intl
jue. 8/21
5:37 am-9:59 am
1 stop6h 22m
Ontario
mié. 8/27
6:10 am-2:34 pm
1 stop6h 24m
$321
BrownsvilleOntario
BRO - ONT
BROONT
Brownsville South Padre Is. Intl
sáb. 9/6
5:15 pm-9:25 pm
1 stop6h 10m
Ontario
mié. 9/10
6:04 am-4:03 pm
1 stop7h 59m
$349
BrownsvilleOntario
BRO - ONT
BROONT
Brownsville South Padre Is. Intl
vie. 9/26
5:15 pm-9:24 pm
1 stop6h 09m
$330
Best time to book a flight from Brownsville to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Brownsville 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 Brownsville to Ontario
What is the cheapest month to book a flight from Brownsville to Ontario?
Currently, August is the cheapest month in which you can book a flight from Brownsville to Ontario (average of $246). Flying from Brownsville 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.
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 agosto 1, 2025.
See what other customers who have flown with United Airlines and American Airlines from Brownsville to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentMignon,Nov 2024
IAH - LGA
Overall
7.4
Boarding
7.7
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentMignon,Nov 2024
IAH - LGA
Overall
7.4
Boarding
7.7
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentMignon,Nov 2024
IAH - LGA