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Cheap flights from Brownsville to Seattle from $284

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brownsville to Seattle departing on 10/23. 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

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Find the cheapest flights from Brownsville to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:20 am - 12:47 pm
BRO
-
SEA
7h 27m
1 stop
United Airlines Logo
5:00 am - 3:57 pm
SEA
-
BRO
8h 57m
1 stop
$369United Airlines
Tue, Jun 30 - Thu, Jul 9
United Airlines Logo
12:07 pm - 9:56 pm
BRO
-
SEA
11h 49m
2 stops
United Airlines Logo
12:10 pm - 9:28 pm
SEA
-
BRO
7h 18m
1 stop
$374United Airlines
Tue, Oct 6 - Sat, Oct 10
United Airlines Logo
12:10 pm - 7:12 pm
BRO
-
SEA
9h 02m
1 stop
United Airlines Logo
5:00 am - 6:44 pm
SEA
-
BRO
11h 44m
2 stops
$394United Airlines
Tue, Jun 30 - Thu, Jul 9
United Airlines Logo
12:10 pm - 7:12 pm
BRO
-
SEA
9h 02m
1 stop
United Airlines Logo
7:05 am - 5:42 pm
SEA
-
BRO
8h 37m
1 stop
$409United Airlines
Tue, Jun 16 - Sat, Jun 20
United Airlines Logo
4:44 pm - 1:13 am
BRO
-
SEA
10h 29m
2 stops
United Airlines Logo
7:05 am - 5:42 pm
SEA
-
BRO
8h 37m
1 stop
$414United Airlines
Tue, Jun 16 - Sat, Jun 20
United Airlines Logo
4:44 pm - 1:13 am
BRO
-
SEA
10h 29m
2 stops
United Airlines Logo
5:07 am - 5:42 pm
SEA
-
BRO
10h 35m
2 stops
$437United Airlines
Tue, Jun 16 - Sat, Jun 20
American Airlines Logo
10:44 am - 4:42 pm
BRO
-
SEA
7h 58m
1 stop
American Airlines Logo
5:05 am - 2:16 pm
SEA
-
BRO
7h 11m
1 stop
$459American Airlines
Wed, Oct 7 - Sun, Oct 11
Alaska Airlines Logo
2:47 pm - 8:21 pm
BRO
-
SEA
7h 34m
1 stop
Alaska Airlines Logo
12:21 am - 10:05 am
SEA
-
BRO
7h 44m
1 stop
$479Alaska Airlines
Thu, Oct 1 - Sun, Oct 4
United Airlines Logo
12:05 pm - 7:08 pm
BRO
-
SEA
9h 03m
1 stop
United Airlines Logo
11:59 pm - 11:23 am
SEA
-
BRO
9h 24m
1 stop
$484United Airlines
Sat, Sep 5 - Sat, Sep 19
American Airlines Logo
10:43 am - 8:10 pm
BRO
-
SEA
11h 27m
2 stops
American Airlines Logo
7:51 am - 7:10 pm
SEA
-
BRO
9h 19m
1 stop
$485American Airlines
Sat, Sep 5 - Sat, Sep 19

United Airlines flights from Brownsville to Seattle

Our best United Airlines deals on Brownsville to Seattle flight tickets
United Airlines
Jun 30
BRO7:20 amBrownsville South Padre Is. Intl
7h 27m
1 stop
SEA12:47 pmSeattle/Tacoma Intl
Jul 9
SEA5:00 amSeattle/Tacoma Intl
8h 57m
1 stop
BRO3:57 pmBrownsville South Padre Is. Intl
$369
United Airlines
Oct 6
BRO12:07 pmBrownsville South Padre Is. Intl
11h 49m
2 stops
SEA9:56 pmSeattle/Tacoma Intl
Oct 10
SEA12:10 pmSeattle/Tacoma Intl
7h 18m
1 stop
BRO9:28 pmBrownsville South Padre Is. Intl
$374
United Airlines
Jun 30
BRO12:10 pmBrownsville South Padre Is. Intl
9h 02m
1 stop
SEA7:12 pmSeattle/Tacoma Intl
Jul 9
SEA5:00 amSeattle/Tacoma Intl
11h 44m
2 stops
BRO6:44 pmBrownsville South Padre Is. Intl
$394

American Airlines flights from Brownsville to Seattle

Our best American Airlines deals on Brownsville to Seattle flight tickets
American Airlines
Oct 7
BRO10:44 amBrownsville South Padre Is. Intl
7h 58m
1 stop
SEA4:42 pmSeattle/Tacoma Intl
Oct 11
SEA5:05 amSeattle/Tacoma Intl
7h 11m
1 stop
BRO2:16 pmBrownsville South Padre Is. Intl
$459
American Airlines
Sep 5
BRO10:43 amBrownsville South Padre Is. Intl
11h 27m
2 stops
SEA8:10 pmSeattle/Tacoma Intl
Sep 19
SEA7:51 amSeattle/Tacoma Intl
9h 19m
1 stop
BRO7:10 pmBrownsville South Padre Is. Intl
$485
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
$506

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 May 30, 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

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 6/30

7:20 am-12:47 pm

1 stop7h 27m

Seattle/Tacoma Intl

Thu 7/9

5:00 am-3:57 pm

1 stop8h 57m

$369

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 10/6

12:07 pm-9:56 pm

2 stops11h 49m

Seattle/Tacoma Intl

Sat 10/10

12:10 pm-9:28 pm

1 stop7h 18m

$374

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 6/30

12:10 pm-7:12 pm

1 stop9h 02m

Seattle/Tacoma Intl

Thu 7/9

5:00 am-6:44 pm

2 stops11h 44m

$394

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 6/16

12:10 pm-7:12 pm

1 stop9h 02m

Seattle/Tacoma Intl

Sat 6/20

7:05 am-5:42 pm

1 stop8h 37m

$409

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 6/16

4:44 pm-1:13 am

2 stops10h 29m

Seattle/Tacoma Intl

Sat 6/20

7:05 am-5:42 pm

1 stop8h 37m

$414

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 6/16

4:44 pm-1:13 am

2 stops10h 29m

Seattle/Tacoma Intl

Sat 6/20

5:07 am-5:42 pm

2 stops10h 35m

$437
Quickest round-trip

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Wed 10/7

10:44 am-4:42 pm

1 stop7h 58m

Seattle/Tacoma Intl

Sun 10/11

5:05 am-2:16 pm

1 stop7h 11m

$459

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Thu 10/1

2:47 pm-8:21 pm

1 stop7h 34m

Seattle/Tacoma Intl

Sun 10/4

12:21 am-10:05 am

1 stop7h 44m

$479

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 9/5

12:05 pm-7:08 pm

1 stop9h 03m

Seattle/Tacoma Intl

Sat 9/19

11:59 pm-11:23 am

1 stop9h 24m

$484

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

7:51 am-7:10 pm

1 stop9h 19m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Seattle from

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

What is the typical price of a round-trip flight between Brownsville and Seattle?

What is the cheapest month to fly to Seattle?

In general, April is the cheapest month to fly from Brownsville to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Seattle in April, then you should wait until February to fly from Brownsville, when ticket prices are also cheap, with an average price of $0.

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?

As of May 2026, prices for Brownsville to Seattle flights are approximately 19% cheaper when compared to flights at the same time last year.

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 27m

Direct flights

None
The fastest flight from Brownsville to Seattle takes 7h 27m
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 27m.

  • 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 $308Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $339Free CancellationRating
7.4
9,766 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
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Marysville
Cle Elum
Federal Way
Fife
Centralia
Shoreline
Westport
Tumwater

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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