Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ontario to Brownsville from $306

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Brownsville departing on 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Brownsville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:59 pm - 10:12 am
ONT
-
BRO
8h 13m
1 stop
American Airlines Logo
6:42 pm - 10:32 pm
BRO
-
ONT
5h 50m
1 stop
$399American Airlines
Sat, Jul 11 - Wed, Jul 15
United Airlines Logo
6:00 am - 3:46 pm
ONT
-
BRO
7h 46m
1 stop
United Airlines Logo
4:38 pm - 9:50 pm
BRO
-
ONT
7h 12m
1 stop
$412United Airlines
Sun, Oct 25 - Wed, Nov 4
United Airlines Logo
6:00 am - 3:46 pm
ONT
-
BRO
7h 46m
1 stop
United Airlines Logo
12:00 pm - 8:06 pm
BRO
-
ONT
10h 06m
2 stops
$417United Airlines
Sun, Oct 25 - Wed, Nov 4
United Airlines Logo
5:00 am - 6:13 pm
ONT
-
BRO
11h 13m
2 stops
United Airlines Logo
12:05 pm - 6:12 pm
BRO
-
ONT
8h 07m
1 stop
$450United Airlines
Wed, Aug 19 - Sat, Aug 22
United Airlines Logo
5:45 am - 3:57 pm
ONT
-
BRO
8h 12m
1 stop
United Airlines Logo
4:44 pm - 9:55 pm
BRO
-
ONT
7h 11m
1 stop
$453United Airlines
Thu, Jul 16 - Mon, Jul 20
United Airlines Logo
5:00 am - 6:13 pm
ONT
-
BRO
11h 13m
2 stops
United Airlines Logo
7:15 am - 3:41 pm
BRO
-
ONT
10h 26m
2 stops
$455United Airlines
Wed, Aug 19 - Sat, Aug 22
American Airlines Logo
12:43 pm - 10:57 pm
ONT
-
BRO
8h 14m
1 stop
American Airlines Logo
7:58 pm - 11:52 pm
BRO
-
ONT
5h 54m
1 stop
$468American Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
5:00 am - 6:13 pm
ONT
-
BRO
11h 13m
2 stops
United Airlines Logo
4:38 pm - 9:59 pm
BRO
-
ONT
7h 21m
1 stop
$490United Airlines
Sat, Aug 15 - Mon, Aug 24
American Airlines Logo
11:59 pm - 10:12 am
ONT
-
BRO
8h 13m
1 stop
American Airlines Logo
5:30 am - 9:29 am
BRO
-
ONT
5h 59m
1 stop
$495American Airlines
Tue, Jul 14 - Sat, Jul 18
United Airlines Logo
6:00 am - 3:46 pm
ONT
-
BRO
7h 46m
1 stop
United Airlines Logo
12:00 pm - 8:06 pm
BRO
-
ONT
10h 06m
2 stops
$517United Airlines
Sun, Oct 25 - Wed, Nov 4

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Ontario to Brownsville

Our best American Airlines deals on Ontario to Brownsville flight tickets
American Airlines
Jul 11
ONT11:59 pmOntario
8h 13m
1 stop
BRO10:12 amBrownsville South Padre Is. Intl
Jul 15
BRO6:42 pmBrownsville South Padre Is. Intl
5h 50m
1 stop
ONT10:32 pmOntario
$399
American Airlines
Oct 21
ONT12:43 pmOntario
8h 14m
1 stop
BRO10:57 pmBrownsville South Padre Is. Intl
Oct 25
BRO7:58 pmBrownsville South Padre Is. Intl
5h 54m
1 stop
ONT11:52 pmOntario
$468
American Airlines
Jul 14
ONT11:59 pmOntario
8h 13m
1 stop
BRO10:12 amBrownsville South Padre Is. Intl
Jul 18
BRO5:30 amBrownsville South Padre Is. Intl
5h 59m
1 stop
ONT9:29 amOntario
$495

United Airlines flights from Ontario to Brownsville

Our best United Airlines deals on Ontario to Brownsville flight tickets
United Airlines
Oct 25
ONT6:00 amOntario
7h 46m
1 stop
BRO3:46 pmBrownsville South Padre Is. Intl
Nov 4
BRO4:38 pmBrownsville South Padre Is. Intl
7h 12m
1 stop
ONT9:50 pmOntario
$412
United Airlines
Oct 25
ONT6:00 amOntario
7h 46m
1 stop
BRO3:46 pmBrownsville South Padre Is. Intl
Nov 4
BRO12:00 pmBrownsville South Padre Is. Intl
10h 06m
2 stops
ONT8:06 pmOntario
$417
United Airlines
Aug 19
ONT5:00 amOntario
11h 13m
2 stops
BRO6:13 pmBrownsville South Padre Is. Intl
Aug 22
BRO12:05 pmBrownsville South Padre Is. Intl
8h 07m
1 stop
ONT6:12 pmOntario
$450

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Brownsville 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, momondo users made 832,500 searches. Data last updated July 1, 2026.
Use the filters below to find and compare flights from Ontario to Brownsville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Sat 7/11

11:59 pm-10:12 am

1 stop8h 13m

Brownsville South Padre Is. Intl

Wed 7/15

6:42 pm-10:32 pm

1 stop5h 50m

$399

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Sun 10/25

6:00 am-3:46 pm

1 stop7h 46m

Brownsville South Padre Is. Intl

Wed 11/4

4:38 pm-9:50 pm

1 stop7h 12m

$412

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Sun 10/25

6:00 am-3:46 pm

1 stop7h 46m

Brownsville South Padre Is. Intl

Wed 11/4

12:00 pm-8:06 pm

2 stops10h 06m

$417

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Wed 8/19

5:00 am-6:13 pm

2 stops11h 13m

Brownsville South Padre Is. Intl

Sat 8/22

12:05 pm-6:12 pm

1 stop8h 07m

$450

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Thu 7/16

5:45 am-3:57 pm

1 stop8h 12m

Brownsville South Padre Is. Intl

Mon 7/20

4:44 pm-9:55 pm

1 stop7h 11m

$453

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Wed 8/19

5:00 am-6:13 pm

2 stops11h 13m

Brownsville South Padre Is. Intl

Sat 8/22

7:15 am-3:41 pm

2 stops10h 26m

$455

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Wed 10/21

12:43 pm-10:57 pm

1 stop8h 14m

Brownsville South Padre Is. Intl

Sun 10/25

7:58 pm-11:52 pm

1 stop5h 54m

$468

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Sat 8/15

5:00 am-6:13 pm

2 stops11h 13m

Brownsville South Padre Is. Intl

Mon 8/24

4:38 pm-9:59 pm

1 stop7h 21m

$490

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Tue 7/14

11:59 pm-10:12 am

1 stop8h 13m

Brownsville South Padre Is. Intl

Sat 7/18

5:30 am-9:29 am

1 stop5h 59m

$495

OntarioBrownsville

ONT - BRO

ONTBRO

Ontario

Sun 10/25

6:00 am-3:46 pm

1 stop7h 46m

Brownsville South Padre Is. Intl

Wed 11/4

12:00 pm-8:06 pm

2 stops10h 06m

$517

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Brownsville from

How to get the cheapest flight ticket from Ontario to Brownsville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Brownsville South Padre Is. Intl?

United Airlines is the most popular carrier operating from Ontario to Brownsville South Padre Is. Intl

What airlines fly to Brownsville?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Brownsville from Ontario according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Brownsville. Keep in mind that there are 5 different airlines that fly to Brownsville on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Brownsville

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Brownsville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Brownsville (ONT to BRO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Brownsville

Fastest flight time

7h 46m

Direct flights

None
The fastest flight from Ontario to Brownsville takes 7h 46m
There are no direct flights from Ontario to Brownsville. There are no popular flight routes from Ontario to Brownsville.
Search flight deals

Frequently asked questions about flying from Ontario to Brownsville

  • How far is Ontario to Brownsville South Padre Is. Intl by plane?

    The straight-line distance from Ontario to Brownsville South Padre Is. Intl is 1327.2 mi. By plane, this route typically takes 7h 46m.

  • When did momondo last update prices for flights from Ontario Airport to Brownsville South Padre Is. Intl Airport?

    Prices for flights from Ontario Airport to Brownsville South Padre Is. Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to Brownsville South Padre Is. Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Brownsville South Padre Is. Intl Airport.

  • What documentation or ID do you need to fly to Brownsville South Padre Is. Intl Airport?

    The required travel and health documents for your Brownsville South Padre Is. Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brownsville South Padre Is. Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Brownsville?

Book flights to Brownsville if you plan to visit one of these locations
South Padre Island

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Brownsville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Brownsville from Ontario.

Can I find flights from Ontario to Brownsville with flexible booking policies on momondo?

All flight searches from Ontario to Brownsville on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Brownsville?

Once all potential Ontario to Brownsville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Brownsville right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Brownsville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Brownsville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 7/31
Fri 8/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States