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Cheap flights from Ontario to Brownsville from $334

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 9/19. 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
2:27 pm - 11:37 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
7h 10m1 stop Dallas/Fort Worth
American Airlines Logo
5:49 am - 9:29 amBRO  Brownsville South Padre Is. Intl-ONT Ontario
5h 40m1 stop Dallas/Fort Worth
$374American Airlines
Thu, Sep 3 - Thu, Sep 10
American Airlines Logo
12:33 pm - 11:23 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
8h 50m1 stop Dallas/Fort Worth
American Airlines Logo
5:43 am - 9:34 amBRO  Brownsville South Padre Is. Intl-ONT Ontario
5h 51m1 stop Dallas/Fort Worth
$409American Airlines
Fri, Aug 28 - Sun, Aug 30
United Airlines Logo
5:00 am - 6:13 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
11h 13m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
7:15 am - 8:01 pmBRO  Brownsville South Padre Is. Intl-ONT Ontario
14h 46m2 stops Houston George Bush Intcntl San Francisco
$419United Airlines
Fri, Aug 28 - Sun, Aug 30
United Airlines Logo
6:00 am - 3:51 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
7h 51m1 stop Houston George Bush Intcntl
United Airlines Logo
4:37 pm - 9:59 pmBRO  Brownsville South Padre Is. Intl-ONT Ontario
7h 22m1 stop Houston George Bush Intcntl
$429United Airlines
Tue, Sep 22 - Fri, Oct 2
American Airlines Logo
2:27 pm - 11:37 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
7h 10m1 stop Dallas/Fort Worth
American Airlines Logo
2:47 pm - 6:53 pmBRO  Brownsville South Padre Is. Intl-ONT Ontario
6h 06m1 stop Dallas/Fort Worth
$432American Airlines
Thu, Sep 3 - Thu, Sep 10
United Airlines Logo
6:00 am - 3:56 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
7h 56m1 stop Houston George Bush Intcntl
United Airlines Logo
11:55 am - 8:51 pmBRO  Brownsville South Padre Is. Intl-ONT Ontario
10h 56m2 stops Houston George Bush Intcntl Denver Intl
$434United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
5:00 am - 7:46 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
12h 46m2 stops Denver Intl Houston George Bush Intcntl
United Airlines Logo
11:55 am - 8:15 pmBRO  Brownsville South Padre Is. Intl-ONT Ontario
10h 20m2 stops Houston George Bush Intcntl San Francisco
$439United Airlines
Sat, Oct 31 - Wed, Nov 4
American Airlines Logo
12:42 pm - 10:56 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
8h 14m1 stop Dallas/Fort Worth
American Airlines Logo
8:00 pm - 8:39 amBRO  Brownsville South Padre Is. Intl-ONT Ontario
14h 39m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
$447American Airlines
Thu, Nov 5 - Sun, Nov 8
American Airlines Logo
12:42 pm - 10:56 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
8h 14m1 stop Dallas/Fort Worth
American Airlines Logo
8:00 pm - 8:39 amBRO  Brownsville South Padre Is. Intl-ONT Ontario
14h 39m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
$460American Airlines
Thu, Nov 5 - Sun, Nov 8
United Airlines Logo
9:01 am - 9:59 pmONT  Ontario-BRO Brownsville South Padre Is. Intl
10h 58m2 stops San Francisco Houston George Bush Intcntl
United Airlines Logo
4:38 pm - 9:59 pmBRO  Brownsville South Padre Is. Intl-ONT Ontario
7h 21m1 stop Houston George Bush Intcntl
$469United Airlines
Thu, Aug 27 - Mon, Aug 31

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United Airlines flights from Ontario to Brownsville

Our best United Airlines deals on Ontario to Brownsville flight tickets
United Airlines
Aug 28
ONT5:00 amOntario
11h 13m
2 stops
BRO6:13 pmBrownsville South Padre Is. Intl
Aug 30
BRO7:15 amBrownsville South Padre Is. Intl
14h 46m
2 stops
ONT8:01 pmOntario
$419
United Airlines
Sep 22
ONT6:00 amOntario
7h 51m
1 stop
BRO3:51 pmBrownsville South Padre Is. Intl
Oct 2
BRO4:37 pmBrownsville South Padre Is. Intl
7h 22m
1 stop
ONT9:59 pmOntario
$429
United Airlines
Oct 31
ONT6:00 amOntario
7h 56m
1 stop
BRO3:56 pmBrownsville South Padre Is. Intl
Nov 4
BRO11:55 amBrownsville South Padre Is. Intl
10h 56m
2 stops
ONT8:51 pmOntario
$434

American Airlines flights from Ontario to Brownsville

Our best American Airlines deals on Ontario to Brownsville flight tickets
American Airlines
Sep 3
ONT2:27 pmOntario
7h 10m
1 stop
BRO11:37 pmBrownsville South Padre Is. Intl
Sep 10
BRO5:49 amBrownsville South Padre Is. Intl
5h 40m
1 stop
ONT9:29 amOntario
$374
American Airlines
Aug 28
ONT12:33 pmOntario
8h 50m
1 stop
BRO11:23 pmBrownsville South Padre Is. Intl
Aug 30
BRO5:43 amBrownsville South Padre Is. Intl
5h 51m
1 stop
ONT9:34 amOntario
$409
American Airlines
Sep 3
ONT2:27 pmOntario
7h 10m
1 stop
BRO11:37 pmBrownsville South Padre Is. Intl
Sep 10
BRO2:47 pmBrownsville South Padre Is. Intl
6h 06m
1 stop
ONT6:53 pmOntario
$432

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 August 15, 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 Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Thu 9/3

2:27 pm-11:37 pm

1 stop7h 10m

Brownsville South Padre Is. Intl

Thu 9/10

5:49 am-9:29 am

1 stop5h 40m

$374

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Fri 8/28

12:33 pm-11:23 pm

1 stop8h 50m

Brownsville South Padre Is. Intl

Sun 8/30

5:43 am-9:34 am

1 stop5h 51m

$409

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Fri 8/28

5:00 am-6:13 pm

2 stops11h 13m

Brownsville South Padre Is. Intl

Sun 8/30

7:15 am-8:01 pm

2 stops14h 46m

$419

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Tue 9/22

6:00 am-3:51 pm

1 stop7h 51m

Brownsville South Padre Is. Intl

Fri 10/2

4:37 pm-9:59 pm

1 stop7h 22m

$429

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Thu 9/3

2:27 pm-11:37 pm

1 stop7h 10m

Brownsville South Padre Is. Intl

Thu 9/10

2:47 pm-6:53 pm

1 stop6h 06m

$432

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Sat 10/31

6:00 am-3:56 pm

1 stop7h 56m

Brownsville South Padre Is. Intl

Wed 11/4

11:55 am-8:51 pm

2 stops10h 56m

$434

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Sat 10/31

5:00 am-7:46 pm

2 stops12h 46m

Brownsville South Padre Is. Intl

Wed 11/4

11:55 am-8:15 pm

2 stops10h 20m

$439

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Thu 11/5

12:42 pm-10:56 pm

1 stop8h 14m

Brownsville South Padre Is. Intl

Sun 11/8

8:00 pm-8:39 am

2 stops14h 39m

$447

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Thu 11/5

12:42 pm-10:56 pm

1 stop8h 14m

Brownsville South Padre Is. Intl

Sun 11/8

8:00 pm-8:39 am

2 stops14h 39m

$460

OntarioBrownsville

ONT Ontario - BRO Brownsville South Padre Is. Intl

ONTBRO

Ontario

Thu 8/27

9:01 am-9:59 pm

2 stops10h 58m

Brownsville South Padre Is. Intl

Mon 8/31

4:38 pm-9:59 pm

1 stop7h 21m

$469

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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, United Airlines and Delta 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 57% 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 56m

Direct flights

None
The fastest flight from Ontario to Brownsville takes 7h 56m
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 56m.

  • 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.

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