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

American Airlines is the most popular carrier operating from Seattle/Tacoma Intl 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 Seattle according to our data. American Airlines is the first choice among our users, with 75% 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 October 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.

$311 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

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7:00 am - 9:46 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

12h 46m2 stops Los Angeles Houston George Bush Intcntl

4:45 pm - 10:59 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 14m1 stop Houston George Bush Intcntl

$431United Airlines

Wed, Feb 10 - Tue, Feb 23

12:47 pm - 10:56 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

8h 09m1 stop Dallas/Fort Worth

5:49 am - 11:30 amBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 41m1 stop Dallas/Fort Worth

$439American Airlines

Thu, Nov 12 - Sun, Jan 31

11:59 pm - 11:19 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

9h 20m1 stop Houston George Bush Intcntl

4:38 pm - 10:51 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 13m1 stop Houston George Bush Intcntl

$439United Airlines

Wed, Nov 11 - Tue, Nov 17

5:05 am - 7:46 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

12h 41m2 stops Denver Intl Houston George Bush Intcntl

4:38 pm - 10:51 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 13m1 stop Houston George Bush Intcntl

$444United Airlines

Wed, Nov 11 - Tue, Nov 17

6:00 am - 7:46 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

11h 46m2 stops Los Angeles Houston George Bush Intcntl

7:05 am - 1:13 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 08m1 stop Houston George Bush Intcntl

$444United Airlines

Thu, Nov 12 - Sun, Jan 31

12:25 am - 10:10 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 45m1 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

$479American Airlines

Fri, Nov 13 - Wed, Nov 18

12:25 am - 10:04 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 39m1 stop Dallas/Fort Worth

3:39 pm - 10:38 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 59m1 stop Dallas/Fort Worth

$482American Airlines

Thu, Dec 10 - Mon, Dec 14

8:31 am - 10:59 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

12h 28m2 stops Portland Dallas/Fort Worth

4:04 pm - 9:26 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 22m1 stop Dallas/Fort Worth

$738Alaska Airlines

Fri, Dec 18 - Wed, Jan 6

12:33 am - 10:03 amSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 30m1 stop Dallas/Fort Worth

4:04 pm - 9:26 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

7h 22m1 stop Dallas/Fort Worth

$766Alaska Airlines

Thu, Dec 17 - Wed, Jan 6

1:40 pm - 10:49 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

7h 09m1 stop Dallas/Fort Worth

10:44 am - 11:12 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

14h 28m2 stops Dallas/Fort Worth San Diego

$824Alaska Airlines

Thu, Apr 1 - Thu, Apr 8

Cheap last minute flights

Enter your travel dates to find the best prices.

2:07 pm - 10:56 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

6h 49m1 stop Dallas/Fort Worth

5:49 am - 1:15 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

9h 26m1 stop Dallas/Fort Worth

$529American Airlines

Thu, Nov 5 - Mon, Nov 9

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

12h 59m2 stops San Francisco Houston George Bush Intcntl

4:38 pm - 10:51 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 13m1 stop Houston George Bush Intcntl

$534United Airlines

Thu, Nov 5 - Mon, Nov 9

7:00 am - 7:46 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

10h 46m2 stops San Francisco Houston George Bush Intcntl

4:38 pm - 12:59 amBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

10h 21m2 stops Houston George Bush Intcntl San Francisco

$539United Airlines

Thu, Nov 5 - Mon, Nov 9

2:07 pm - 10:56 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

6h 49m1 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

$659American Airlines

Wed, Nov 4 - Mon, Nov 9

2:07 pm - 10:56 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

6h 49m1 stop Dallas/Fort Worth

5:49 am - 1:15 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

9h 26m1 stop Dallas/Fort Worth

$659American Airlines

Wed, Nov 4 - Tue, Nov 10

12:47 pm - 10:56 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

8h 09m1 stop Dallas/Fort Worth

5:49 am - 1:15 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

9h 26m1 stop Dallas/Fort Worth

$659American Airlines

Thu, Nov 5 - Tue, Nov 10

7:00 am - 7:46 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

10h 46m2 stops San Francisco Houston George Bush Intcntl

4:38 pm - 10:51 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 13m1 stop Houston George Bush Intcntl

$664United Airlines

Thu, Nov 5 - Tue, Nov 10

6:00 am - 9:59 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

13h 59m2 stops Los Angeles Houston George Bush Intcntl

4:38 pm - 10:51 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

8h 13m1 stop Houston George Bush Intcntl

$664United Airlines

Wed, Nov 4 - Mon, Nov 9

6:00 am - 7:46 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

11h 46m2 stops Los Angeles Houston George Bush Intcntl

11:55 am - 7:17 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

9h 22m1 stop Houston George Bush Intcntl

$664United Airlines

Wed, Nov 4 - Tue, Nov 10

6:00 am - 7:46 pmSEA Seattle/Tacoma Intl-BRO Brownsville South Padre Is. Intl

11h 46m2 stops Los Angeles Houston George Bush Intcntl

7:00 am - 4:12 pmBRO Brownsville South Padre Is. Intl-SEA Seattle/Tacoma Intl

11h 12m2 stops Houston George Bush Intcntl Los Angeles

$669United Airlines

Thu, Nov 5 - Tue, Nov 10

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American Airlines flights from Seattle to Brownsville

Our best American Airlines deals on Seattle to Brownsville flight tickets

American Airlines

Nov 13

SEA12:25 amSeattle/Tacoma Intl

7h 45m

1 stop

BRO10:10 amBrownsville South Padre Is. Intl

Nov 18

BRO5:49 amBrownsville South Padre Is. Intl

7h 23m

1 stop

SEA11:12 amSeattle/Tacoma Intl

$479

American Airlines

Dec 10

SEA12:25 amSeattle/Tacoma Intl

7h 39m

1 stop

BRO10:04 amBrownsville South Padre Is. Intl

Dec 14

BRO3:39 pmBrownsville South Padre Is. Intl

8h 59m

1 stop

SEA10:38 pmSeattle/Tacoma Intl

$482

American Airlines

Nov 5

SEA2:07 pmSeattle/Tacoma Intl

6h 49m

1 stop

BRO10:56 pmBrownsville South Padre Is. Intl

Nov 9

BRO5:49 amBrownsville South Padre Is. Intl

9h 26m

1 stop

SEA1:15 pmSeattle/Tacoma Intl

$529

United Airlines flights from Seattle to Brownsville

Our best United Airlines deals on Seattle to Brownsville flight tickets

United Airlines

Feb 10

SEA7:00 amSeattle/Tacoma Intl

12h 46m

2 stops

BRO9:46 pmBrownsville South Padre Is. Intl

Feb 23

BRO4:45 pmBrownsville South Padre Is. Intl

8h 14m

1 stop

SEA10:59 pmSeattle/Tacoma Intl

$431

United Airlines

Nov 11

SEA11:59 pmSeattle/Tacoma Intl

9h 20m

1 stop

BRO11:19 amBrownsville South Padre Is. Intl

Nov 17

BRO4:38 pmBrownsville South Padre Is. Intl

8h 13m

1 stop

SEA10:51 pmSeattle/Tacoma Intl

$439

United Airlines

Nov 11

SEA5:05 amSeattle/Tacoma Intl

12h 41m

2 stops

BRO7:46 pmBrownsville South Padre Is. Intl

Nov 17

BRO4:38 pmBrownsville South Padre Is. Intl

8h 13m

1 stop

SEA10:51 pmSeattle/Tacoma Intl

$444

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Wed 2/10

7:00 am-9:46 pm

2 stops12h 46m

Brownsville South Padre Is. Intl

Tue 2/23

4:45 pm-10:59 pm

1 stop8h 14m

$431

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Thu 11/12

12:47 pm-10:56 pm

1 stop8h 09m

Brownsville South Padre Is. Intl

Sun 1/31

5:49 am-11:30 am

1 stop7h 41m

$439

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Wed 11/11

11:59 pm-11:19 am

1 stop9h 20m

Brownsville South Padre Is. Intl

Tue 11/17

4:38 pm-10:51 pm

1 stop8h 13m

$439

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Wed 11/11

5:05 am-7:46 pm

2 stops12h 41m

Brownsville South Padre Is. Intl

Tue 11/17

4:38 pm-10:51 pm

1 stop8h 13m

$444

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Thu 11/12

6:00 am-7:46 pm

2 stops11h 46m

Brownsville South Padre Is. Intl

Sun 1/31

7:05 am-1:13 pm

1 stop8h 08m

$444

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Fri 11/13

12:25 am-10:10 am

1 stop7h 45m

Brownsville South Padre Is. Intl

Wed 11/18

5:49 am-11:12 am

1 stop7h 23m

$479

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Thu 12/10

12:25 am-10:04 am

1 stop7h 39m

Brownsville South Padre Is. Intl

Mon 12/14

3:39 pm-10:38 pm

1 stop8h 59m

$482

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Fri 12/18

8:31 am-10:59 pm

2 stops12h 28m

Brownsville South Padre Is. Intl

Wed 1/6

4:04 pm-9:26 pm

1 stop7h 22m

$738

Quickest round-trip

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Thu 12/17

12:33 am-10:03 am

1 stop7h 30m

Brownsville South Padre Is. Intl

Wed 1/6

4:04 pm-9:26 pm

1 stop7h 22m

$766

SeattleBrownsville

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

SEABRO

Seattle/Tacoma Intl

Thu 4/1

1:40 pm-10:49 pm

1 stop7h 09m

Brownsville South Padre Is. Intl

Thu 4/8

10:44 am-11:12 pm

2 stops14h 28m

$824

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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 March is another great option to travel to Brownsville, with average flight prices from Seattle averaging around $329.

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	$311
Fastest flight time	6h 42m
Direct flights	None

The best one-way flight to Brownsville from Seattle in the past 72 hours is $311. The best round-trip flight deal from Seattle to Brownsville found on momondo in the last 72 hours is $431.

The fastest flight from Seattle to Brownsville takes 6h 42m

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 42m, 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 October 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 (61% of total bookings). The next most popular airline is United Airlines (39%).

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 7.0 12,210 reviews		Search American Airlines flights
United Airlines	PriceFrom $368	Free Cancellation	Rating 7.3 10,451 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 $311

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Brownsville departing on 11/22. 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?

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

What airlines fly to Brownsville?

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

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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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Daily price changes in your inbox - only with Price Alerts.

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

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