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Cheap flights from Seattle to Brownsville from $205

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 4/24. 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
0 bags

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Find the cheapest flights from Seattle to Brownsville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:59 am - 10:12 am
SEA
-
BRO
7h 13m
1 stop
American Airlines Logo
7:41 pm - 12:44 am
BRO
-
SEA
7h 03m
1 stop
$366American Airlines
Wed, Apr 29 - Thu, May 7
American Airlines Logo
12:59 am - 10:12 am
SEA
-
BRO
7h 13m
1 stop
American Airlines Logo
7:41 pm - 12:44 am
BRO
-
SEA
7h 03m
1 stop
$369American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
12:59 am - 10:12 am
SEA
-
BRO
7h 13m
1 stop
American Airlines Logo
2:50 pm - 10:47 pm
BRO
-
SEA
9h 57m
1 stop
$389American Airlines
Thu, Apr 16 - Fri, Apr 24
American Airlines Logo
7:20 am - 7:11 pm
SEA
-
BRO
9h 51m
2 stops
American Airlines Logo
7:41 pm - 12:44 am
BRO
-
SEA
7h 03m
1 stop
$394American Airlines
Sat, May 9 - Wed, May 13
American Airlines Logo
12:59 am - 10:17 am
SEA
-
BRO
7h 18m
1 stop
American Airlines Logo
2:50 pm - 10:47 pm
BRO
-
SEA
9h 57m
1 stop
$399American Airlines
Mon, Mar 30 - Wed, Apr 8
United Airlines Logo
5:02 am - 4:24 pm
SEA
-
BRO
9h 22m
2 stops
United Airlines Logo
12:05 pm - 9:58 pm
BRO
-
SEA
11h 53m
2 stops
$402United Airlines
Sat, May 9 - Wed, May 13
American Airlines Logo
11:55 pm - 10:12 am
SEA
-
BRO
8h 17m
1 stop
American Airlines Logo
5:40 am - 10:48 am
BRO
-
SEA
7h 08m
1 stop
$409American Airlines
Sun, Apr 12 - Tue, Apr 14
American Airlines Logo
12:59 am - 10:17 am
SEA
-
BRO
7h 18m
1 stop
American Airlines Logo
7:49 pm - 12:55 am
BRO
-
SEA
7h 06m
1 stop
$429American Airlines
Mon, Mar 30 - Sat, Apr 4
United Airlines Logo
11:56 pm - 11:22 am
SEA
-
BRO
9h 26m
1 stop
United Airlines Logo
7:15 am - 4:15 pm
BRO
-
SEA
11h 00m
2 stops
$439United Airlines
Fri, Aug 21 - Sun, Aug 23
United Airlines Logo
6:30 am - 4:24 pm
SEA
-
BRO
7h 54m
1 stop
United Airlines Logo
7:15 am - 6:35 pm
BRO
-
SEA
13h 20m
2 stops
$444United Airlines
Fri, Apr 17 - Fri, Apr 24

Alaska Airlines flights from Seattle to Brownsville

Our best Alaska Airlines deals on Seattle to Brownsville flight tickets
Alaska Airlines
May 2
SEA10:57 pmSeattle/Tacoma Intl
9h 15m
1 stop
BRO10:12 amBrownsville South Padre Is. Intl
May 6
BRO10:42 amBrownsville South Padre Is. Intl
13h 03m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$474
Alaska Airlines
Aug 19
SEA7:00 amSeattle/Tacoma Intl
14h 40m
2 stops
BRO11:40 pmBrownsville South Padre Is. Intl
Aug 22
BRO2:43 pmBrownsville South Padre Is. Intl
7h 54m
1 stop
SEA8:37 pmSeattle/Tacoma Intl
$494
Alaska Airlines
May 2
SEA9:07 amSeattle/Tacoma Intl
11h 46m
2 stops
BRO10:53 pmBrownsville South Padre Is. Intl
May 6
BRO10:42 amBrownsville South Padre Is. Intl
14h 11m
2 stops
SEA10:53 pmSeattle/Tacoma Intl
$499

American Airlines flights from Seattle to Brownsville

Our best American Airlines deals on Seattle to Brownsville flight tickets
American Airlines
Apr 29
SEA12:59 amSeattle/Tacoma Intl
7h 13m
1 stop
BRO10:12 amBrownsville South Padre Is. Intl
May 7
BRO7:41 pmBrownsville South Padre Is. Intl
7h 03m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$366
American Airlines
Apr 16
SEA12:59 amSeattle/Tacoma Intl
7h 13m
1 stop
BRO10:12 amBrownsville South Padre Is. Intl
Apr 20
BRO7:41 pmBrownsville South Padre Is. Intl
7h 03m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$369
American Airlines
Apr 16
SEA12:59 amSeattle/Tacoma Intl
7h 13m
1 stop
BRO10:12 amBrownsville South Padre Is. Intl
Apr 24
BRO2:50 pmBrownsville South Padre Is. Intl
9h 57m
1 stop
SEA10:47 pmSeattle/Tacoma Intl
$389

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 March 20, 2026.
Use the filters below to find and compare flights from Seattle to Brownsville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 4/29

12:59 am-10:12 am

1 stop7h 13m

Brownsville South Padre Is. Intl

Thu 5/7

7:41 pm-12:44 am

1 stop7h 03m

$366

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Thu 4/16

12:59 am-10:12 am

1 stop7h 13m

Brownsville South Padre Is. Intl

Mon 4/20

7:41 pm-12:44 am

1 stop7h 03m

$369

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Thu 4/16

12:59 am-10:12 am

1 stop7h 13m

Brownsville South Padre Is. Intl

Fri 4/24

2:50 pm-10:47 pm

1 stop9h 57m

$389

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sat 5/9

7:20 am-7:11 pm

2 stops9h 51m

Brownsville South Padre Is. Intl

Wed 5/13

7:41 pm-12:44 am

1 stop7h 03m

$394

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Mon 3/30

12:59 am-10:17 am

1 stop7h 18m

Brownsville South Padre Is. Intl

Wed 4/8

2:50 pm-10:47 pm

1 stop9h 57m

$399

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sat 5/9

5:02 am-4:24 pm

2 stops9h 22m

Brownsville South Padre Is. Intl

Wed 5/13

12:05 pm-9:58 pm

2 stops11h 53m

$402

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sun 4/12

11:55 pm-10:12 am

1 stop8h 17m

Brownsville South Padre Is. Intl

Tue 4/14

5:40 am-10:48 am

1 stop7h 08m

$409

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Mon 3/30

12:59 am-10:17 am

1 stop7h 18m

Brownsville South Padre Is. Intl

Sat 4/4

7:49 pm-12:55 am

1 stop7h 06m

$429

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Fri 8/21

11:56 pm-11:22 am

1 stop9h 26m

Brownsville South Padre Is. Intl

Sun 8/23

7:15 am-4:15 pm

2 stops11h 00m

$439

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Fri 4/17

6:30 am-4:24 pm

1 stop7h 54m

Brownsville South Padre Is. Intl

Fri 4/24

7:15 am-6:35 pm

2 stops13h 20m

$444

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 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

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

Fastest flight time

6h 50m

Direct flights

None
The fastest flight from Seattle to Brownsville takes 6h 50m
There are no direct flights from Seattle to Brownsville. There are no popular flight routes from Seattle to Brownsville.
Search flight deals

  • 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 50m, 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?

  • 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?

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 AirlinesPriceFrom $308Free CancellationRating
7.1
11,480 reviews
Search American Airlines flights
United AirlinesPriceFrom $314Free CancellationRating
7.4
9,451 reviews
Search United Airlines flights

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 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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