HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$235+ Cheap flights from Brownsville to Ontario (BRO - 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — ONT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Brownsville to Ontario

Cheapest flights from Brownsville to Ontario
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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:15 pmBRO - ONT
1 stop6h 34mUnited Airlines
Thu 11/131:29 pmONT - BRO
2 stops8h 07mUnited Airlines
Deal found 10/30$459
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:15 pmBRO - ONT
1 stop6h 34mUnited Airlines
Mon 11/176:05 amONT - BRO
1 stop15h 31mUnited Airlines
Deal found 10/29$525
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:45 amBRO - ONT
2 stops12h 57mUnited Airlines
Sat 1/36:04 amONT - BRO
1 stop8h 03mUnited Airlines
Deal found 10/30$550
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/112:15 pmBRO - ONT
2 stops12h 36mUnited Airlines
Mon 11/31:29 pmONT - BRO
2 stops8h 07mUnited Airlines
Deal found 10/28$559
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:55 pmBRO - ONT
1 stop6h 57mUnited Airlines
Fri 1/26:04 amONT - BRO
1 stop8h 03mUnited Airlines
Deal found 10/30$822

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$349
(United Airlines)

One-way from

$235
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$468
Provider with most accurate pricing for Brownsville South Padre Is. Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Brownsville South Padre Is. Intl-Ontario flights.
Search Deals
From Brownsville South Padre Is. Intl to Ontario
Search Deals
One-way flight from Brownsville South Padre Is. Intl to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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

Sat 2/21

6:27 pm-10:51 pm

1 stop6h 24m

Ontario

Tue 2/24

11:59 pm-10:13 am

1 stop8h 14m

$349

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Sat 2/21

5:25 pm-9:59 pm

1 stop6h 34m

Ontario

Tue 2/24

6:00 am-4:12 pm

1 stop8h 12m

$349

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Thu 11/13

5:15 pm-9:49 pm

1 stop6h 34m

Ontario

Mon 11/17

6:05 am-11:36 pm

1 stop15h 31m

$525

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Sat 12/6

9:45 am-9:49 pm

1 stop14h 04m

Ontario

Sat 1/3

6:04 am-4:07 pm

1 stop8h 03m

$616

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Tue 12/30

4:55 pm-9:52 pm

1 stop6h 57m

Ontario

Fri 1/2

6:04 am-4:07 pm

1 stop8h 03m

$822

BrownsvilleOntario

BRO - ONT

BROONT

Brownsville South Padre Is. Intl

Wed 1/7

5:25 pm-9:58 pm

1 stop6h 33m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Brownsville-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Brownsville-Ontario flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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, July is the cheapest month in which you can book a flight from Brownsville to Ontario (average of $124). Flying from Brownsville to Ontario in January is currently the most expensive (average of $260). 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 Brownsville to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Brownsville to Ontario?

    For as low as $349, American Airlines can have you in Ontario from Brownsville in 6h 24m. The distance between Brownsville and Ontario is about 1328 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Brownsville to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Brownsville 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 Brownsville to Ontario?

    Currently, July is the cheapest month in which you can book a flight from Brownsville to Ontario (average of $124). Flying from Brownsville to Ontario in January is currently the most expensive (average of $260). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Brownsville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Hobby to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
George Bush Intcntl to Las Vegas flights
Dallas/Fort Worth to Ontario flights
Austin to Las Vegas flights
Dallas/Fort Worth to Santa Ana flights
Hobby to Los Angeles flights
Austin to Los Angeles flights
Love Field to Las Vegas flights
George Bush Intcntl to Los Angeles flights
San Antonio to Las Vegas flights
Dallas/Fort Worth to San Diego flights
Dallas/Fort Worth to Burbank flights
Love Field to Los Angeles flights
Hobby to Ontario flights
George Bush Intcntl to Ontario flights
Dallas/Fort Worth to San Jose flights
Hobby to Santa Ana flights
Austin to San Francisco flights
Hobby to San Diego flights
Hobby to San Francisco flights
George Bush Intcntl to Santa Ana flights
San Antonio to San Francisco flights
George Bush Intcntl to San Francisco flights
George Bush Intcntl to San Diego flights
San Antonio to Los Angeles flights
Austin to Ontario flights
Hobby to Burbank flights
Dallas/Fort Worth to Sacramento flights
Love Field to San Francisco flights
Austin to San Diego flights
George Bush Intcntl to Burbank flights
Hobby to Sacramento flights
El Paso to Las Vegas flights
Austin to Santa Ana flights
Dallas/Fort Worth to Palm Springs flights
Austin to San Jose flights
Love Field to San Diego flights
Hobby to San Jose flights
Dallas/Fort Worth to Oakland flights
George Bush Intcntl to Sacramento flights
Love Field to Ontario flights
Hobby to Palm Springs flights
El Paso to Los Angeles flights
Dallas/Fort Worth to Reno flights
San Antonio to Ontario flights
George Bush Intcntl to San Jose flights
McAllen to Las Vegas flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.