$244+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — ONT
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Brownsville 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 Brownsville to Ontario
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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 September 20, 2026.
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 September 20, 2026.
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:49 am -
1 stop5h 40m
Tue 10/611:59 pm -
1 stop8h 06m
Deal found 9/17![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/24:37 pm -
1 stop7h 22m
Tue 10/68:03 am -
2 stops11h 47m
Deal found 9/17![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/144:38 pm -
1 stop7h 02m
Tue 11/176:00 am -
1 stop8h 01m
Deal found 9/15![United Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:37 pm -
1 stop6h 59m
Sat 10/312:37 pm -
1 stop5h 28m
Deal found 9/18![American Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 12/254:30 pm -
1 stop7h 41m
Thu 12/315:55 am -
1 stop7h 57m
Deal found 9/16![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/712:05 pm -
2 stops12h 46m
Sat 10/108:03 am -
2 stops11h 47m
Deal found 9/15![United Airlines logo]()
$494
Best flights from Brownsville to OntarioDiscover carefully curated flight deals from Brownsville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Brownsville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/24:37 pm -
1 stop7h 22m
Tue 10/68:03 am -
2 stops11h 47m
Deal found 9/17![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/144:38 pm -
1 stop7h 02m
Tue 11/176:00 am -
1 stop8h 01m
Deal found 9/16![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 12/244:30 pm -
1 stop7h 41m
Thu 12/315:55 am -
1 stop7h 57m
Deal found 9/16![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/212:05 pm -
2 stops12h 46m
Sun 10/46:00 am -
1 stop7h 51m
Deal found 9/16![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/14:37 pm -
1 stop7h 22m
Sat 10/38:03 am -
2 stops11h 47m
Deal found 9/16![United Airlines logo]()
$589
Last-minute flights from Brownsville to OntarioDiscover last-minute flight deals from Brownsville to Ontario. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Brownsville to Ontario. Data last updated September 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:49 am -
1 stop5h 40m
Sun 10/46:00 am -
1 stop6h 11m
Deal found 9/16![American Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:37 pm -
1 stop6h 59m
Sat 10/312:37 pm -
1 stop5h 28m
Deal found 9/18![American Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 10/14:37 pm -
1 stop7h 22m
Sat 10/35:00 am -
2 stops11h 13m
Deal found 9/18![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/14:37 pm -
1 stop7h 22m
Sun 10/46:00 am -
1 stop7h 51m
Deal found 9/16![United Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:49 am -
1 stop5h 40m
Tue 10/611:59 pm -
1 stop8h 06m
Deal found 9/17![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/24:37 pm -
1 stop7h 22m
Tue 10/68:03 am -
2 stops11h 47m
Deal found 9/17![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/24:37 pm -
1 stop7h 22m
Sat 10/38:03 am -
2 stops11h 47m
Deal found 9/16![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/37:15 am -
2 stops10h 07m
Tue 10/68:03 am -
2 stops11h 47m
Deal found 9/16![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/712:05 pm -
2 stops12h 46m
Sat 10/108:03 am -
2 stops11h 47m
Deal found 9/15![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 10/154:37 pm -
1 stop7h 22m
Tue 10/206:00 am -
1 stop7h 51m
Deal found 9/18![United Airlines logo]()
$539
One-way flights from Brownsville to OntarioSearch for one-way flight options from Brownsville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Brownsville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:45 am -
2 stops27h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$244
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:58 pm -
1 stop5h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 10/1412:05 pm -
2 stops10h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/137:15 am -
2 stops10h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 9/304:37 pm -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/107:15 am -
2 stops12h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Mon 10/124:37 pm -
2 stops22h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$554
Find 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 September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (American Airlines) |
One-way from | $244 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $539 |
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 7,457,451 searches. Data last updated September 20, 2026.
Use the filters below to find and compare flights from Brownsville to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Fri 11/6
8:45 am-10:42 am
2 stops27h 57m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$244
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Thu 10/15
4:37 pm-9:59 pm
1 stop7h 22m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$339
Quickest round-trip
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Mon 10/12
5:49 am-9:35 am
1 stop5h 46m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$339
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Tue 10/13
7:15 am-3:22 pm
2 stops10h 07m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$385
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Fri 10/2
4:37 pm-9:59 pm
1 stop7h 22m
Ontario
Tue 10/6
8:03 am-9:50 pm
2 stops11h 47m
$434
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Wed 9/30
4:37 pm-9:59 pm
1 stop7h 22m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$439
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Sun 10/11
7:15 am-3:22 pm
2 stops10h 07m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$444
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Sat 11/14
4:38 pm-9:40 pm
1 stop7h 02m
Ontario
Tue 11/17
6:00 am-4:01 pm
1 stop8h 01m
$449
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Thu 12/24
4:30 pm-10:11 pm
1 stop7h 41m
Ontario
Thu 12/31
5:55 am-3:52 pm
1 stop7h 57m
$449
BrownsvilleOntario
BRO Brownsville South Padre Is. Intl - ONT Ontario
BROONT
Brownsville South Padre Is. Intl
Fri 10/2
12:05 pm-10:51 pm
2 stops12h 46m
Ontario
Sun 10/4
6:00 am-3:51 pm
1 stop7h 51m
$524
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Brownsville to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Brownsville to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Brownsville-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Brownsville-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Brownsville-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Brownsville-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 Brownsville-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 Brownsville to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Brownsville with our price prediction graph.
BRO-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.
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 September 20, 2026.
See what other customers who have flown with 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
7.0
Boarding
7.4
Crew
7.9
Food
6.4
Entertainment
6.8
Comfort
7.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2023
DFW - SBA
Overall
7.0
Boarding
7.4
Crew
7.9
Food
6.4
Entertainment
6.8
Comfort
7.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Aug 2023
DFW - SBA
Related info for your journey
Find useful and relevant information for your journey from Brownsville 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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Alternative routes for Brownsville to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Brownsville to Ontario by cabin class
Find flights from Brownsville to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 20, 2026.
Brownsville and Ontario flights
Browse other Brownsville and Ontario flight options. Last updated on September 20, 2026.
Other flights from Brownsville
Browse through other flights departing from Brownsville. Flights are based on user searches made on Cheapflights and were last updated on September 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Brownsville to Ontario
Discover the top airline that operate flights from Brownsville 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 7,457,451 searches. Data last updated September 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$442 | FlexibilityNo cancel fee | On-time71% |