What airlines fly to Brownsville?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Brownsville from Seattle according to our data. American Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Brownsville. Keep in mind that there are 3 different airlines that fly to Brownsville on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport refresh daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?

As of September 2026, there are 2 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl 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 travel and health documents required for your trip to Brownsville South Padre Is. Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brownsville South Padre Is. Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$399 Cheap Flights from Seattle to Brownsville in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Brownsville

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:26 pm - 10:57 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

6h 31m1 stop Dallas/Fort Worth

5:49 am - 11:12 amBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 23m1 stop Dallas/Fort Worth

$399American Airlines

Fri, Oct 30 - Tue, Nov 3

2:26 pm - 10:57 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

6h 31m1 stop Dallas/Fort Worth

3:37 pm - 9:57 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 20m1 stop Dallas/Fort Worth

$399American Airlines

Wed, Oct 14 - Wed, Oct 21

7:17 am - 3:51 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

6h 34m1 stop Houston George Bush Intcntl

9:10 am - 2:53 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 43m1 stop Houston George Bush Intcntl

$399United Airlines

Wed, Oct 14 - Wed, Oct 21

7:17 am - 6:13 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

8h 56m1 stop Houston George Bush Intcntl

9:10 am - 2:53 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 43m1 stop Houston George Bush Intcntl

$429United Airlines

Thu, Oct 15 - Wed, Oct 21

12:00 pm - 9:50 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 50m1 stop Houston George Bush Intcntl

7:15 am - 5:37 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

12h 22m2 stops Houston George Bush Intcntl Denver Intl

$434United Airlines

Thu, Oct 15 - Wed, Oct 21

10:17 am - 8:05 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 48m1 stop Dallas/Fort Worth

4:17 pm - 9:52 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 35m1 stop Dallas/Fort Worth

$479American Airlines

Tue, Sep 29 - Sat, Oct 3

12:24 am - 10:05 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 41m1 stop Dallas/Fort Worth

10:39 am - 8:26 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

11h 47m2 stops Dallas/Fort Worth San Diego

$514Alaska Airlines

Fri, Oct 16 - Wed, Oct 21

6:00 am - 7:28 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

11h 28m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

3:37 pm - 9:57 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 20m1 stop Dallas/Fort Worth

$541American Airlines

Wed, Oct 14 - Wed, Oct 21

12:30 am - 10:10 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 40m1 stop Dallas/Fort Worth

3:35 pm - 9:00 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 25m1 stop Dallas/Fort Worth

$602Alaska Airlines

Mon, Dec 14 - Mon, Jan 4

10:59 am - 9:31 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

8h 32m1 stop Dallas/Fort Worth

10:42 am - 4:43 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 01m1 stop Dallas/Fort Worth

$610Alaska Airlines

Tue, Dec 15 - Tue, Jan 5

Cheap last minute flights

Enter your travel dates to find the best prices.

12:10 pm - 9:59 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 49m1 stop Houston George Bush Intcntl

7:15 am - 2:52 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

9h 37m1 stop Houston George Bush Intcntl

$561United Airlines

Sat, Sep 19 - Tue, Sep 22

7:00 am - 9:59 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

12h 59m2 stops San Francisco Houston George Bush Intcntl

7:15 am - 12:48 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 33m1 stop Houston George Bush Intcntl

$566United Airlines

Sat, Sep 19 - Tue, Sep 22

6:32 am - 6:13 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

9h 41m2 stops Los Angeles Los Angeles Houston George Bush Intcntl

7:15 am - 3:39 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

10h 24m2 stops Houston George Bush Intcntl Los Angeles Los Angeles

$571United Airlines

Sat, Sep 19 - Tue, Sep 22

11:59 pm - 11:23 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

9h 24m1 stop Houston George Bush Intcntl

9:20 am - 2:52 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 32m1 stop Houston George Bush Intcntl

$610United Airlines

Sat, Sep 19 - Mon, Sep 21

7:00 am - 3:51 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

6h 51m1 stop Houston George Bush Intcntl

12:05 pm - 9:51 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

11h 46m2 stops Houston George Bush Intcntl Los Angeles Los Angeles

$615United Airlines

Sat, Sep 19 - Mon, Sep 21

6:32 am - 9:59 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

13h 27m2 stops Los Angeles Los Angeles Houston George Bush Intcntl

7:15 am - 9:31 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

16h 16m3 stops Houston George Bush Intcntl Los Angeles Los Angeles Denver Intl

$687United Airlines

Sat, Sep 19 - Tue, Sep 22

6:32 am - 9:59 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

13h 27m2 stops Los Angeles Los Angeles Houston George Bush Intcntl

9:20 am - 7:14 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

11h 54m2 stops Houston George Bush Intcntl Los Angeles Los Angeles

$730United Airlines

Sat, Sep 19 - Mon, Sep 21

2:12 pm - 11:32 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 20m1 stop Dallas/Fort Worth

4:17 pm - 9:52 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 35m1 stop Dallas/Fort Worth

$1,003American Airlines

Mon, Sep 21 - Wed, Sep 23

7:35 pm - 11:23 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

13h 48m2 stops San Francisco Houston George Bush Intcntl

7:15 am - 12:48 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 33m1 stop Houston George Bush Intcntl

$1,008United Airlines

Mon, Sep 21 - Wed, Sep 23

7:35 pm - 11:23 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

13h 48m2 stops San Francisco Houston George Bush Intcntl

12:05 pm - 11:26 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

13h 21m2 stops Houston George Bush Intcntl San Francisco

$1,013United Airlines

Mon, Sep 21 - Wed, Sep 23

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American Airlines flights from Seattle to Brownsville

Our best American Airlines deals on Seattle to Brownsville flight tickets

American Airlines

Sep 29

SEA10:17 amSeattle/Tacoma Intl

7h 48m

1 stop

BRO8:05 pmBrownsville South Padre Is. Intl

Oct 3

BRO4:17 pmBrownsville South Padre Is. Intl

7h 35m

1 stop

SEA9:52 pmSeattle/Tacoma Intl

$479

American Airlines

Oct 14

SEA6:00 amSeattle/Tacoma Intl

11h 28m

2 stops

BRO7:28 pmBrownsville South Padre Is. Intl

Oct 21

BRO3:37 pmBrownsville South Padre Is. Intl

8h 20m

1 stop

SEA9:57 pmSeattle/Tacoma Intl

$541

American Airlines

Oct 4

SEA5:30 amSeattle/Tacoma Intl

6h 41m

1 stop

BRO2:11 pmBrownsville South Padre Is. Intl

Oct 11

BRO3:37 pmBrownsville South Padre Is. Intl

8h 20m

1 stop

SEA9:57 pmSeattle/Tacoma Intl

$583

United Airlines flights from Seattle to Brownsville

Our best United Airlines deals on Seattle to Brownsville flight tickets

United Airlines

Oct 14

SEA7:17 amSeattle/Tacoma Intl

6h 34m

1 stop

BRO3:51 pmBrownsville South Padre Is. Intl

Oct 21

BRO9:10 amBrownsville South Padre Is. Intl

7h 43m

1 stop

SEA2:53 pmSeattle/Tacoma Intl

$399

United Airlines

Oct 15

SEA7:17 amSeattle/Tacoma Intl

8h 56m

1 stop

BRO6:13 pmBrownsville South Padre Is. Intl

Oct 21

BRO9:10 amBrownsville South Padre Is. Intl

7h 43m

1 stop

SEA2:53 pmSeattle/Tacoma Intl

$429

United Airlines

Oct 15

SEA12:00 pmSeattle/Tacoma Intl

7h 50m

1 stop

BRO9:50 pmBrownsville South Padre Is. Intl

Oct 21

BRO7:15 amBrownsville South Padre Is. Intl

12h 22m

2 stops

SEA5:37 pmSeattle/Tacoma Intl

$434

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Fri 10/30

2:26 pm-10:57 pm

1 stop6h 31m

Brownsville South Padre Is. Intl

Tue 11/3

5:49 am-11:12 am

1 stop7h 23m

$399

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Wed 10/14

2:26 pm-10:57 pm

1 stop6h 31m

Brownsville South Padre Is. Intl

Wed 10/21

3:37 pm-9:57 pm

1 stop8h 20m

$399

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Wed 10/14

7:17 am-3:51 pm

1 stop6h 34m

Brownsville South Padre Is. Intl

Wed 10/21

9:10 am-2:53 pm

1 stop7h 43m

$399

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Thu 10/15

7:17 am-6:13 pm

1 stop8h 56m

Brownsville South Padre Is. Intl

Wed 10/21

9:10 am-2:53 pm

1 stop7h 43m

$429

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Thu 10/15

12:00 pm-9:50 pm

1 stop7h 50m

Brownsville South Padre Is. Intl

Wed 10/21

7:15 am-5:37 pm

2 stops12h 22m

$434

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Tue 9/29

10:17 am-8:05 pm

1 stop7h 48m

Brownsville South Padre Is. Intl

Sat 10/3

4:17 pm-9:52 pm

1 stop7h 35m

$479

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Fri 10/16

12:24 am-10:05 am

1 stop7h 41m

Brownsville South Padre Is. Intl

Wed 10/21

10:39 am-8:26 pm

2 stops11h 47m

$514

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Wed 10/14

6:00 am-7:28 pm

2 stops11h 28m

Brownsville South Padre Is. Intl

Wed 10/21

3:37 pm-9:57 pm

1 stop8h 20m

$541

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Mon 12/14

12:30 am-10:10 am

1 stop7h 40m

Brownsville South Padre Is. Intl

Mon 1/4

3:35 pm-9:00 pm

1 stop7h 25m

$602

SeattleBrownsville

SEA Seattle/Tacoma Intl - BRO Brownsville South Padre Is. Intl

SEABRO

Seattle/Tacoma Intl

Tue 12/15

10:59 am-9:31 pm

1 stop8h 32m

Brownsville South Padre Is. Intl

Tue 1/5

10:42 am-4:43 pm

1 stop8h 01m

$610

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Seattle 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

Prices

Airlines

What is the cheapest month to fly to Brownsville?

The month of January is another great option to travel to Brownsville, with average flight prices from Seattle averaging around $328.

When to book flights from Seattle to Brownsville

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

Estimated round-trip price

Cheap Seattle to Brownsville (SEA to BRO) flight deals and tips

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

Best Price Found	$399
Fastest flight time	6h 34m
Direct flights	None

The best flight deal from Seattle to Brownsville found on momondo in the last 72 hours is $399

The fastest flight from Seattle to Brownsville takes 6h 34m

There are no direct flights from Seattle to Brownsville. There are no popular flight routes from Seattle to Brownsville.

Search flight deals

Frequently asked questions about flying from Seattle to Brownsville

How far is Seattle/Tacoma Intl to Brownsville South Padre Is. Intl by plane?
Seattle/Tacoma Intl and Brownsville South Padre Is. Intl are 2015.9 mi apart from one another. Flights usually cover this in 6h 34m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?
As of September 2026, there are 2 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl 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 travel and health documents required for your trip to Brownsville South Padre Is. Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brownsville South Padre Is. Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Seattle to Brownsville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Brownsville is American Airlines (52% of total bookings). The next most popular airline is United Airlines (48%).

Best airlines flying from Seattle to Brownsville

Compare and see reviews for airlines that fly from Seattle to Brownsville with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.1 12,077 reviews		Search American Airlines flights
United Airlines	PriceFrom $338	Free Cancellation	Rating 7.4 10,217 reviews		Search United Airlines flights

South Padre Island

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Brownsville. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Brownsville from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Seattle and Brownsville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Brownsville, momondo offers a useful price alert feature which will track prices for flights to Brownsville from Seattle and alert you when they change.

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Cheap flights from Seattle to Brownsville from $399

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Brownsville departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Seattle to Brownsville

Our best American Airlines deals on Seattle to Brownsville flight tickets

United Airlines flights from Seattle to Brownsville

Our best United Airlines deals on Seattle to Brownsville flight tickets

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How to get the cheapest flight ticket from Seattle to Brownsville

What is the cheapest month to fly to Brownsville?

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When to book flights from Seattle to Brownsville

Cheap Seattle to Brownsville (SEA to BRO) flight deals and tips

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Frequently asked questions about flying from Seattle to Brownsville

Best airlines flying from Seattle to Brownsville

Compare and see reviews for airlines that fly from Seattle to Brownsville with momondo

Traveling to a place near Brownsville?

Why use momondo?

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.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Brownsville. Availability may vary depending on flight origin and airline.

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