Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Brownsville from $369

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 7/21. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Brownsville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:05 am - 2:17 pm
SEA
-
BRO
7h 12m
1 stop
American Airlines Logo
6:42 pm - 12:57 am
BRO
-
SEA
8h 15m
1 stop
$369American Airlines
Tue, Jul 21 - Tue, Jul 28
United Airlines Logo
7:11 am - 9:59 pm
SEA
-
BRO
12h 48m
2 stops
United Airlines Logo
7:15 am - 12:48 pm
BRO
-
SEA
7h 33m
1 stop
$374United Airlines
Wed, Sep 2 - Tue, Sep 8
United Airlines Logo
11:03 am - 9:59 pm
SEA
-
BRO
8h 56m
2 stops
United Airlines Logo
9:10 am - 6:44 pm
BRO
-
SEA
11h 34m
2 stops
$379United Airlines
Wed, Sep 23 - Tue, Sep 29
United Airlines Logo
6:30 am - 6:13 pm
SEA
-
BRO
9h 43m
2 stops
United Airlines Logo
7:15 am - 3:39 pm
BRO
-
SEA
10h 24m
2 stops
$397United Airlines
Wed, Sep 2 - Tue, Sep 8
American Airlines Logo
11:48 am - 11:23 pm
SEA
-
BRO
9h 35m
1 stop
American Airlines Logo
5:43 am - 10:58 am
BRO
-
SEA
7h 15m
1 stop
$442American Airlines
Wed, Aug 19 - Mon, Aug 24
American Airlines Logo
3:21 pm - 12:13 am
SEA
-
BRO
6h 52m
1 stop
American Airlines Logo
6:42 pm - 12:57 am
BRO
-
SEA
8h 15m
1 stop
$450American Airlines
Wed, Jul 22 - Wed, Jul 29
United Airlines Logo
11:59 pm - 11:23 am
SEA
-
BRO
9h 24m
1 stop
United Airlines Logo
7:15 am - 2:52 pm
BRO
-
SEA
9h 37m
1 stop
$452United Airlines
Tue, Aug 11 - Sun, Aug 16
United Airlines Logo
7:00 am - 3:51 pm
SEA
-
BRO
6h 51m
1 stop
United Airlines Logo
12:05 pm - 8:43 pm
BRO
-
SEA
10h 38m
2 stops
$455United Airlines
Sat, Aug 15 - Tue, Aug 18
American Airlines Logo
7:40 am - 6:07 pm
SEA
-
BRO
8h 27m
1 stop
American Airlines Logo
5:43 am - 10:58 am
BRO
-
SEA
7h 15m
1 stop
$459American Airlines
Tue, Aug 18 - Sun, Aug 23
United Airlines Logo
11:59 pm - 11:23 am
SEA
-
BRO
9h 24m
1 stop
United Airlines Logo
9:10 am - 2:53 pm
BRO
-
SEA
7h 43m
1 stop
$479United Airlines
Sat, Sep 26 - Wed, Sep 30

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

United Airlines flights from Seattle to Brownsville

Our best United Airlines deals on Seattle to Brownsville flight tickets
United Airlines
Sep 2
SEA7:11 amSeattle/Tacoma Intl
12h 48m
2 stops
BRO9:59 pmBrownsville South Padre Is. Intl
Sep 8
BRO7:15 amBrownsville South Padre Is. Intl
7h 33m
1 stop
SEA12:48 pmSeattle/Tacoma Intl
$374
United Airlines
Sep 23
SEA11:03 amSeattle/Tacoma Intl
8h 56m
2 stops
BRO9:59 pmBrownsville South Padre Is. Intl
Sep 29
BRO9:10 amBrownsville South Padre Is. Intl
11h 34m
2 stops
SEA6:44 pmSeattle/Tacoma Intl
$379
United Airlines
Sep 2
SEA6:30 amSeattle/Tacoma Intl
9h 43m
2 stops
BRO6:13 pmBrownsville South Padre Is. Intl
Sep 8
BRO7:15 amBrownsville South Padre Is. Intl
10h 24m
2 stops
SEA3:39 pmSeattle/Tacoma Intl
$397

American Airlines flights from Seattle to Brownsville

Our best American Airlines deals on Seattle to Brownsville flight tickets
American Airlines
Jul 21
SEA5:05 amSeattle/Tacoma Intl
7h 12m
1 stop
BRO2:17 pmBrownsville South Padre Is. Intl
Jul 28
BRO6:42 pmBrownsville South Padre Is. Intl
8h 15m
1 stop
SEA12:57 amSeattle/Tacoma Intl
$369
American Airlines
Aug 19
SEA11:48 amSeattle/Tacoma Intl
9h 35m
1 stop
BRO11:23 pmBrownsville South Padre Is. Intl
Aug 24
BRO5:43 amBrownsville South Padre Is. Intl
7h 15m
1 stop
SEA10:58 amSeattle/Tacoma Intl
$442
American Airlines
Jul 22
SEA3:21 pmSeattle/Tacoma Intl
6h 52m
1 stop
BRO12:13 amBrownsville South Padre Is. Intl
Jul 29
BRO6:42 pmBrownsville South Padre Is. Intl
8h 15m
1 stop
SEA12:57 amSeattle/Tacoma Intl
$450

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 June 19, 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

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Tue 7/21

5:05 am-2:17 pm

1 stop7h 12m

Brownsville South Padre Is. Intl

Tue 7/28

6:42 pm-12:57 am

1 stop8h 15m

$369

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 9/2

7:11 am-9:59 pm

2 stops12h 48m

Brownsville South Padre Is. Intl

Tue 9/8

7:15 am-12:48 pm

1 stop7h 33m

$374

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 9/23

11:03 am-9:59 pm

2 stops8h 56m

Brownsville South Padre Is. Intl

Tue 9/29

9:10 am-6:44 pm

2 stops11h 34m

$379

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 9/2

6:30 am-6:13 pm

2 stops9h 43m

Brownsville South Padre Is. Intl

Tue 9/8

7:15 am-3:39 pm

2 stops10h 24m

$397

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 8/19

11:48 am-11:23 pm

1 stop9h 35m

Brownsville South Padre Is. Intl

Mon 8/24

5:43 am-10:58 am

1 stop7h 15m

$442
Quickest round-trip

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 7/22

3:21 pm-12:13 am

1 stop6h 52m

Brownsville South Padre Is. Intl

Wed 7/29

6:42 pm-12:57 am

1 stop8h 15m

$450

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Tue 8/11

11:59 pm-11:23 am

1 stop9h 24m

Brownsville South Padre Is. Intl

Sun 8/16

7:15 am-2:52 pm

1 stop9h 37m

$452

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sat 8/15

7:00 am-3:51 pm

1 stop6h 51m

Brownsville South Padre Is. Intl

Tue 8/18

12:05 pm-8:43 pm

2 stops10h 38m

$455

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Tue 8/18

7:40 am-6:07 pm

1 stop8h 27m

Brownsville South Padre Is. Intl

Sun 8/23

5:43 am-10:58 am

1 stop7h 15m

$459

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sat 9/26

11:59 pm-11:23 am

1 stop9h 24m

Brownsville South Padre Is. Intl

Wed 9/30

9:10 am-2:53 pm

1 stop7h 43m

$479

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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

8h 57m

Direct flights

None
The fastest flight from Seattle to Brownsville takes 8h 57m
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 8h 57m, 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
11,703 reviews
Search American Airlines flights
United AirlinesPriceFrom $314Free CancellationRating
7.4
9,860 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.

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
Sun 7/19
Sun 7/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States