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Cheap flights from Brownsville to Seattle 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 Brownsville to Seattle departing on 4/14. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:50 pm - 10:47 pm
BRO
-
SEA
9h 57m
1 stop
American Airlines Logo
7:09 am - 5:54 pm
SEA
-
BRO
8h 45m
1 stop
$329American Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
12:00 pm - 9:46 pm
BRO
-
SEA
11h 46m
2 stops
United Airlines Logo
6:30 am - 4:24 pm
SEA
-
BRO
7h 54m
1 stop
$334United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
12:00 pm - 9:46 pm
BRO
-
SEA
11h 46m
2 stops
United Airlines Logo
6:00 am - 6:28 pm
SEA
-
BRO
10h 28m
2 stops
$339United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
12:05 pm - 9:58 pm
BRO
-
SEA
11h 53m
2 stops
United Airlines Logo
7:00 am - 4:24 pm
SEA
-
BRO
7h 24m
1 stop
$378United Airlines
Fri, May 1 - Wed, May 13
United Airlines Logo
12:05 pm - 7:48 pm
BRO
-
SEA
9h 43m
2 stops
United Airlines Logo
8:45 am - 9:59 pm
SEA
-
BRO
11h 14m
2 stops
$383United Airlines
Fri, May 1 - Wed, May 13
American Airlines Logo
2:58 pm - 9:16 pm
BRO
-
SEA
8h 18m
1 stop
American Airlines Logo
12:59 am - 10:17 am
SEA
-
BRO
7h 18m
1 stop
$389American Airlines
Wed, Mar 11 - Sat, Mar 14
United Airlines Logo
7:15 am - 6:00 pm
BRO
-
SEA
12h 45m
2 stops
United Airlines Logo
11:35 pm - 11:19 am
SEA
-
BRO
9h 44m
1 stop
$434United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
12:00 pm - 9:46 pm
BRO
-
SEA
11h 46m
2 stops
United Airlines Logo
8:55 am - 9:47 pm
SEA
-
BRO
10h 52m
2 stops
$439United Airlines
Fri, Apr 17 - Tue, Apr 21
American Airlines Logo
10:47 am - 6:53 pm
BRO
-
SEA
10h 06m
2 stops
American Airlines Logo
12:59 am - 10:17 am
SEA
-
BRO
7h 18m
1 stop
$445American Airlines
Wed, Mar 11 - Sat, Mar 14
American Airlines Logo
6:57 pm - 12:54 am
BRO
-
SEA
7h 57m
1 stop
American Airlines Logo
10:11 am - 6:27 pm
SEA
-
BRO
6h 16m
1 stop
$454American Airlines
Sun, Aug 9 - Tue, Aug 18

American Airlines flights from Brownsville to Seattle

Our best American Airlines deals on Brownsville to Seattle flight tickets
American Airlines
Apr 17
BRO2:50 pmBrownsville South Padre Is. Intl
9h 57m
1 stop
SEA10:47 pmSeattle/Tacoma Intl
Apr 21
SEA7:09 amSeattle/Tacoma Intl
8h 45m
1 stop
BRO5:54 pmBrownsville South Padre Is. Intl
$329
American Airlines
Mar 11
BRO2:58 pmBrownsville South Padre Is. Intl
8h 18m
1 stop
SEA9:16 pmSeattle/Tacoma Intl
Mar 14
SEA12:59 amSeattle/Tacoma Intl
7h 18m
1 stop
BRO10:17 amBrownsville South Padre Is. Intl
$389
American Airlines
Mar 11
BRO10:47 amBrownsville South Padre Is. Intl
10h 06m
2 stops
SEA6:53 pmSeattle/Tacoma Intl
Mar 14
SEA12:59 amSeattle/Tacoma Intl
7h 18m
1 stop
BRO10:17 amBrownsville South Padre Is. Intl
$445

United Airlines flights from Brownsville to Seattle

Our best United Airlines deals on Brownsville to Seattle flight tickets
United Airlines
Apr 17
BRO12:00 pmBrownsville South Padre Is. Intl
11h 46m
2 stops
SEA9:46 pmSeattle/Tacoma Intl
Apr 21
SEA6:30 amSeattle/Tacoma Intl
7h 54m
1 stop
BRO4:24 pmBrownsville South Padre Is. Intl
$334
United Airlines
Apr 17
BRO12:00 pmBrownsville South Padre Is. Intl
11h 46m
2 stops
SEA9:46 pmSeattle/Tacoma Intl
Apr 21
SEA6:00 amSeattle/Tacoma Intl
10h 28m
2 stops
BRO6:28 pmBrownsville South Padre Is. Intl
$339
United Airlines
May 1
BRO12:05 pmBrownsville South Padre Is. Intl
11h 53m
2 stops
SEA9:58 pmSeattle/Tacoma Intl
May 13
SEA7:00 amSeattle/Tacoma Intl
7h 24m
1 stop
BRO4:24 pmBrownsville South Padre Is. Intl
$378

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 February 25, 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

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 4/17

2:50 pm-10:47 pm

1 stop9h 57m

Seattle/Tacoma Intl

Tue 4/21

7:09 am-5:54 pm

1 stop8h 45m

$329

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 4/17

12:00 pm-9:46 pm

2 stops11h 46m

Seattle/Tacoma Intl

Tue 4/21

6:30 am-4:24 pm

1 stop7h 54m

$334

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 4/17

12:00 pm-9:46 pm

2 stops11h 46m

Seattle/Tacoma Intl

Tue 4/21

6:00 am-6:28 pm

2 stops10h 28m

$339

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 5/1

12:05 pm-9:58 pm

2 stops11h 53m

Seattle/Tacoma Intl

Wed 5/13

7:00 am-4:24 pm

1 stop7h 24m

$378

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 5/1

12:05 pm-7:48 pm

2 stops9h 43m

Seattle/Tacoma Intl

Wed 5/13

8:45 am-9:59 pm

2 stops11h 14m

$383

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Wed 3/11

2:58 pm-9:16 pm

1 stop8h 18m

Seattle/Tacoma Intl

Sat 3/14

12:59 am-10:17 am

1 stop7h 18m

$389

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 4/17

7:15 am-6:00 pm

2 stops12h 45m

Seattle/Tacoma Intl

Tue 4/21

11:35 pm-11:19 am

1 stop9h 44m

$434

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 4/17

12:00 pm-9:46 pm

2 stops11h 46m

Seattle/Tacoma Intl

Tue 4/21

8:55 am-9:47 pm

2 stops10h 52m

$439

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Wed 3/11

10:47 am-6:53 pm

2 stops10h 06m

Seattle/Tacoma Intl

Sat 3/14

12:59 am-10:17 am

1 stop7h 18m

$445

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sun 8/9

6:57 pm-12:54 am

1 stop7h 57m

Seattle/Tacoma Intl

Tue 8/18

10:11 am-6:27 pm

1 stop6h 16m

$454

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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

What is the cheapest month to fly to Seattle?

In general, September 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 $318. If you don’t want to visit Seattle in September, then you should wait until March to fly from Brownsville, when ticket prices are also cheap, with an average price of $328.

Can stopping save me money on Brownsville to Seattle flights?

You could potentially save up to 15% 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 14m

Direct flights

None
The fastest flight from Brownsville to Seattle takes 7h 14m
There are no direct flights from Brownsville to Seattle. There are no popular flight routes from Brownsville to Seattle.
Search flight deals

  • 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 14m.

  • 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
DeltaPriceFrom $249Free CancellationRating
7.9
8,237 reviews
Search Delta flights
American AirlinesPriceFrom $308Free CancellationRating
7.1
11,345 reviews
Search American Airlines flights
United AirlinesPriceFrom $339Free CancellationRating
7.4
9,345 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
Kent
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Fife
Westport
Kirkland
Centralia
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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