Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Brownsville from $175

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 11/23. 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

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Seattle to Brownsville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:35 am - 6:19 pmSEA-BRO
7h 44m1 stop
American Airlines Logo
6:00 am - 11:01 amBRO-SEA
7h 01m1 stop
$309American Airlines
Find Deal
Wed, Jan 21 - Sat, Jan 24
American Airlines Logo
10:00 am - 11:33 pmSEA-BRO
11h 33m2 stops
American Airlines Logo
6:00 am - 11:01 amBRO-SEA
7h 01m1 stop
$314American Airlines
Find Deal
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
7:05 am - 7:42 pmSEA-BRO
10h 37m2 stops
United Airlines Logo
7:15 am - 4:29 pmBRO-SEA
11h 14m2 stops
$378United Airlines
Find Deal
Mon, Jan 5 - Thu, Jan 15
American Airlines Logo
11:25 am - 11:33 pmSEA-BRO
10h 08m2 stops
American Airlines Logo
10:53 am - 8:35 pmBRO-SEA
11h 42m2 stops
$410American Airlines
Find Deal
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
7:00 am - 11:37 pmSEA-BRO
14h 37m2 stops
United Airlines Logo
7:15 am - 9:12 pmBRO-SEA
15h 57m3 stops
$444United Airlines
Find Deal
Mon, Jan 5 - Thu, Jan 15
Alaska Airlines Logo
7:55 am - 6:04 pmSEA-BRO
8h 09m1 stop
Alaska Airlines Logo
10:43 am - 4:44 pmBRO-SEA
8h 01m1 stop
$449Alaska Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
6:45 am - 4:12 pmSEA-BRO
7h 27m1 stop
United Airlines Logo
12:15 pm - 11:30 pmBRO-SEA
13h 15m2 stops
$454United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
12:59 am - 9:51 amSEA-BRO
6h 52m1 stop
American Airlines Logo
6:00 am - 1:49 pmBRO-SEA
9h 49m2 stops
$512American Airlines
Find Deal
Sun, Jan 4 - Thu, Jan 15
Alaska Airlines Logo
1:07 am - 9:51 amSEA-BRO
6h 44m1 stop
Alaska Airlines Logo
5:35 am - 11:59 amBRO-SEA
8h 24m1 stop
$914Alaska Airlines
Find Deal
Tue, Dec 23 - Mon, Dec 29
Alaska Airlines Logo
1:07 am - 9:51 amSEA-BRO
6h 44m1 stop
Alaska Airlines Logo
10:21 am - 5:23 pmBRO-SEA
9h 02m1 stop
$1,202Alaska Airlines
Find Deal
Wed, Dec 24 - Thu, Jan 1

American Airlines flights from Seattle to Brownsville

Our best American Airlines deals on Seattle to Brownsville flight tickets
American Airlines
Jan 21
SEA8:35 amSeattle/Tacoma Intl
7h 44m
1 stop
BRO6:19 pmBrownsville South Padre Is. Intl
Jan 24
BRO6:00 amBrownsville South Padre Is. Intl
7h 01m
1 stop
SEA11:01 amSeattle/Tacoma Intl
$309
Find similar
American Airlines
Jan 21
SEA10:00 amSeattle/Tacoma Intl
11h 33m
2 stops
BRO11:33 pmBrownsville South Padre Is. Intl
Jan 24
BRO6:00 amBrownsville South Padre Is. Intl
7h 01m
1 stop
SEA11:01 amSeattle/Tacoma Intl
$314
Find similar
American Airlines
Jan 21
SEA11:25 amSeattle/Tacoma Intl
10h 08m
2 stops
BRO11:33 pmBrownsville South Padre Is. Intl
Jan 24
BRO10:53 amBrownsville South Padre Is. Intl
11h 42m
2 stops
SEA8:35 pmSeattle/Tacoma Intl
$410
Find similar

United Airlines flights from Seattle to Brownsville

Our best United Airlines deals on Seattle to Brownsville flight tickets
United Airlines
Jan 5
SEA7:05 amSeattle/Tacoma Intl
10h 37m
2 stops
BRO7:42 pmBrownsville South Padre Is. Intl
Jan 15
BRO7:15 amBrownsville South Padre Is. Intl
11h 14m
2 stops
SEA4:29 pmSeattle/Tacoma Intl
$378
Find similar
United Airlines
Jan 5
SEA7:00 amSeattle/Tacoma Intl
14h 37m
2 stops
BRO11:37 pmBrownsville South Padre Is. Intl
Jan 15
BRO7:15 amBrownsville South Padre Is. Intl
15h 57m
3 stops
SEA9:12 pmSeattle/Tacoma Intl
$444
Find similar
United Airlines
Mar 3
SEA6:45 amSeattle/Tacoma Intl
7h 27m
1 stop
BRO4:12 pmBrownsville South Padre Is. Intl
Mar 4
BRO12:15 pmBrownsville South Padre Is. Intl
13h 15m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
$454
Find similar

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 November 3, 2025.
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

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 1/21

8:35 am-6:19 pm

1 stop7h 44m

Brownsville South Padre Is. Intl

Sat 1/24

6:00 am-11:01 am

1 stop7h 01m

$309

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 1/21

10:00 am-11:33 pm

2 stops11h 33m

Brownsville South Padre Is. Intl

Sat 1/24

6:00 am-11:01 am

1 stop7h 01m

$314

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Mon 1/5

7:05 am-7:42 pm

2 stops10h 37m

Brownsville South Padre Is. Intl

Thu 1/15

7:15 am-4:29 pm

2 stops11h 14m

$378

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 1/21

11:25 am-11:33 pm

2 stops10h 08m

Brownsville South Padre Is. Intl

Sat 1/24

10:53 am-8:35 pm

2 stops11h 42m

$410

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Mon 1/5

7:00 am-11:37 pm

2 stops14h 37m

Brownsville South Padre Is. Intl

Thu 1/15

7:15 am-9:12 pm

3 stops15h 57m

$444

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Tue 3/3

7:55 am-6:04 pm

1 stop8h 09m

Brownsville South Padre Is. Intl

Wed 3/4

10:43 am-4:44 pm

1 stop8h 01m

$449

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Tue 3/3

6:45 am-4:12 pm

1 stop7h 27m

Brownsville South Padre Is. Intl

Wed 3/4

12:15 pm-11:30 pm

2 stops13h 15m

$454

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Sun 1/4

12:59 am-9:51 am

1 stop6h 52m

Brownsville South Padre Is. Intl

Thu 1/15

6:00 am-1:49 pm

2 stops9h 49m

$512

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Tue 12/23

1:07 am-9:51 am

1 stop6h 44m

Brownsville South Padre Is. Intl

Mon 12/29

5:35 am-11:59 am

1 stop8h 24m

$914

SeattleBrownsville

SEA - BRO

SEABRO

Seattle/Tacoma Intl

Wed 12/24

1:07 am-9:51 am

1 stop6h 44m

Brownsville South Padre Is. Intl

Thu 1/1

10:21 am-5:23 pm

1 stop9h 02m

$1,202

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 November is another great option to travel to Brownsville, with average flight prices from Seattle averaging around $386.

What is the cheapest day to depart on your flight to Brownsville?

The cheapest day to depart from Seattle to Brownsville is on a Thursday. Travelers who choose to depart for Brownsville on a Thursday will often find tickets for as low as $386. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Brownsville on Monday is $627.

What is the cheapest time of day to depart on your flight to Brownsville?

Flying to Brownsville from Seattle at noon is the least expensive time of day to depart. momondo users have found prices as low as $326 when looking at flights departing at noon. Flights to Brownsville are more costly in the morning, with an average ticket price of $534. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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 44m, 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 $266Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $282Free CancellationRating
7.4
8,997 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
Wed 12/3
Wed 12/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States