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Cheap flights from Brownsville to Seattle from $379

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Brownsville to Seattle departing on 9/1. 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 Brownsville to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:37 pm - 10:26 pm
BRO
-
SEA
9h 49m
1 stop
American Airlines Logo
5:30 am - 2:11 pm
SEA
-
BRO
6h 41m
1 stop
$379American Airlines
Tue, Sep 1 - Fri, Sep 11
United Airlines Logo
7:15 am - 4:14 pm
BRO
-
SEA
10h 59m
2 stops
United Airlines Logo
7:00 am - 6:13 pm
SEA
-
BRO
9h 13m
1 stop
$384United Airlines
Tue, Sep 1 - Fri, Sep 11
United Airlines Logo
7:15 am - 4:14 pm
BRO
-
SEA
10h 59m
2 stops
United Airlines Logo
7:00 am - 6:13 pm
SEA
-
BRO
9h 13m
1 stop
$423United Airlines
Fri, Aug 28 - Sun, Aug 30
American Airlines Logo
2:37 pm - 10:19 pm
BRO
-
SEA
9h 42m
1 stop
American Airlines Logo
5:30 am - 3:26 pm
SEA
-
BRO
7h 56m
1 stop
$455American Airlines
Sat, Sep 5 - Sat, Sep 19
United Airlines Logo
5:25 pm - 10:38 pm
BRO
-
SEA
7h 13m
1 stop
United Airlines Logo
11:59 pm - 11:22 am
SEA
-
BRO
9h 23m
1 stop
$489United Airlines
Sat, Dec 12 - Tue, Dec 15
American Airlines Logo
2:37 pm - 10:19 pm
BRO
-
SEA
9h 42m
1 stop
American Airlines Logo
5:30 am - 3:26 pm
SEA
-
BRO
7h 56m
1 stop
$490American Airlines
Sat, Sep 5 - Sat, Sep 19
United Airlines Logo
7:15 am - 9:31 pm
BRO
-
SEA
16h 16m
3 stops
United Airlines Logo
7:00 am - 6:13 pm
SEA
-
BRO
9h 13m
1 stop
$499United Airlines
Tue, Sep 1 - Fri, Sep 11
American Airlines Logo
10:43 am - 8:10 pm
BRO
-
SEA
11h 27m
2 stops
American Airlines Logo
5:30 am - 3:26 pm
SEA
-
BRO
7h 56m
1 stop
$516American Airlines
Sat, Sep 5 - Sat, Sep 19
Alaska Airlines Logo
2:37 pm - 8:24 pm
BRO
-
SEA
7h 47m
1 stop
Alaska Airlines Logo
8:25 pm - 6:07 pm
SEA
-
BRO
19h 42m
2 stops
$908Alaska Airlines
Mon, Aug 10 - Fri, Aug 14
Alaska Airlines Logo
10:43 am - 8:35 pm
BRO
-
SEA
11h 52m
2 stops
Alaska Airlines Logo
4:45 pm - 6:07 pm
SEA
-
BRO
23h 22m
2 stops
$913Alaska Airlines
Mon, Aug 10 - Fri, Aug 14

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Alaska Airlines flights from Brownsville to Seattle

Our best Alaska Airlines deals on Brownsville to Seattle flight tickets
Alaska Airlines
Aug 10
BRO2:37 pmBrownsville South Padre Is. Intl
7h 47m
1 stop
SEA8:24 pmSeattle/Tacoma Intl
Aug 14
SEA8:25 pmSeattle/Tacoma Intl
19h 42m
2 stops
BRO6:07 pmBrownsville South Padre Is. Intl
$908
Alaska Airlines
Aug 10
BRO10:43 amBrownsville South Padre Is. Intl
11h 52m
2 stops
SEA8:35 pmSeattle/Tacoma Intl
Aug 14
SEA4:45 pmSeattle/Tacoma Intl
23h 22m
2 stops
BRO6:07 pmBrownsville South Padre Is. Intl
$913

American Airlines flights from Brownsville to Seattle

Our best American Airlines deals on Brownsville to Seattle flight tickets
American Airlines
Sep 1
BRO2:37 pmBrownsville South Padre Is. Intl
9h 49m
1 stop
SEA10:26 pmSeattle/Tacoma Intl
Sep 11
SEA5:30 amSeattle/Tacoma Intl
6h 41m
1 stop
BRO2:11 pmBrownsville South Padre Is. Intl
$379
American Airlines
Sep 5
BRO2:37 pmBrownsville South Padre Is. Intl
9h 42m
1 stop
SEA10:19 pmSeattle/Tacoma Intl
Sep 19
SEA5:30 amSeattle/Tacoma Intl
7h 56m
1 stop
BRO3:26 pmBrownsville South Padre Is. Intl
$455
American Airlines
Sep 5
BRO2:37 pmBrownsville South Padre Is. Intl
9h 42m
1 stop
SEA10:19 pmSeattle/Tacoma Intl
Sep 19
SEA5:30 amSeattle/Tacoma Intl
7h 56m
1 stop
BRO3:26 pmBrownsville South Padre Is. Intl
$490

momondo Fare Finder

 
Customize your flight search to find flights from Brownsville to Seattle 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 July 28, 2026.
Use the filters below to find and compare flights from Brownsville to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 9/1

2:37 pm-10:26 pm

1 stop9h 49m

Seattle/Tacoma Intl

Fri 9/11

5:30 am-2:11 pm

1 stop6h 41m

$379

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 9/1

7:15 am-4:14 pm

2 stops10h 59m

Seattle/Tacoma Intl

Fri 9/11

7:00 am-6:13 pm

1 stop9h 13m

$384

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 8/28

7:15 am-4:14 pm

2 stops10h 59m

Seattle/Tacoma Intl

Sun 8/30

7:00 am-6:13 pm

1 stop9h 13m

$423

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 9/5

2:37 pm-10:19 pm

1 stop9h 42m

Seattle/Tacoma Intl

Sat 9/19

5:30 am-3:26 pm

1 stop7h 56m

$455

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 12/12

5:25 pm-10:38 pm

1 stop7h 13m

Seattle/Tacoma Intl

Tue 12/15

11:59 pm-11:22 am

1 stop9h 23m

$489

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 9/5

2:37 pm-10:19 pm

1 stop9h 42m

Seattle/Tacoma Intl

Sat 9/19

5:30 am-3:26 pm

1 stop7h 56m

$490

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 9/1

7:15 am-9:31 pm

3 stops16h 16m

Seattle/Tacoma Intl

Fri 9/11

7:00 am-6:13 pm

1 stop9h 13m

$499

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 9/5

10:43 am-8:10 pm

2 stops11h 27m

Seattle/Tacoma Intl

Sat 9/19

5:30 am-3:26 pm

1 stop7h 56m

$516

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Mon 8/10

2:37 pm-8:24 pm

1 stop7h 47m

Seattle/Tacoma Intl

Fri 8/14

8:25 pm-6:07 pm

2 stops19h 42m

$908

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Mon 8/10

10:43 am-8:35 pm

2 stops11h 52m

Seattle/Tacoma Intl

Fri 8/14

4:45 pm-6:07 pm

2 stops23h 22m

$913

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Brownsville to Seattle

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

Can stopping save me money on Brownsville to Seattle flights?

You could potentially save up to 13% on your flight if you consider stops on a Brownsville to Seattle flight.

How have Brownsville to Seattle flight prices changed over time?

When to book flights from Brownsville to Seattle

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

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

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

Fastest flight time

7h 13m

Direct flights

None
The fastest flight from Brownsville to Seattle takes 7h 13m
There are no direct flights from Brownsville to Seattle. There are no popular flight routes from Brownsville to Seattle.
Search flight deals

Frequently asked questions about flying from Brownsville to Seattle

  • How far is Brownsville South Padre Is. Intl to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 2015.9 mi away from Brownsville South Padre Is. Intl. By plane, this route typically takes 7h 13m.

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

    Prices for flights from Brownsville South Padre Is. Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Brownsville to Seattle?

Best airlines flying from Brownsville to Seattle

Compare and see reviews for airlines that fly from Brownsville to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $338Free CancellationRating
7.1
11,836 reviews
Search American Airlines flights
United AirlinesPriceFrom $339Free CancellationRating
7.4
10,041 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
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Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Tukwila
Puyallup
Fife
Federal Way
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Brownsville to Seattle for you.

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

Yes. momondo enables you to select and highlight flights to Seattle from Brownsville with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Brownsville to Seattle.

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

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

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