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$379+ Cheap flights from Brownsville to Seattle (BRO - SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — SEA
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Brownsville to Seattle

Cheapest flights from Brownsville to Seattle
Explore the most affordable flight options available from Brownsville to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:37 pm
BRO
-
SEA
1 stop9h 49m
American Airlines
Fri 9/115:30 am
SEA
-
BRO
1 stop6h 41m
American Airlines
Deal found 7/23$379
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:15 am
BRO
-
SEA
2 stops10h 59m
United Airlines
Fri 9/117:00 am
SEA
-
BRO
1 stop9h 13m
United Airlines
Deal found 7/23$384
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:43 am
BRO
-
SEA
1 stop7h 58m
American Airlines
Sun 9/65:00 am
SEA
-
BRO
1 stop7h 07m
American Airlines
Deal found 7/21$450
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:37 pm
BRO
-
SEA
1 stop9h 42m
American Airlines
Sat 9/195:30 am
SEA
-
BRO
1 stop7h 56m
American Airlines
Deal found 7/23$455
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:05 pm
BRO
-
SEA
2 stops10h 38m
United Airlines
Sun 9/67:00 am
SEA
-
BRO
1 stop6h 51m
United Airlines
Deal found 7/21$459
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:25 pm
BRO
-
SEA
1 stop7h 13m
United Airlines
Tue 12/1511:59 pm
SEA
-
BRO
1 stop9h 23m
United Airlines
Deal found 7/21$489

Find flight deals from Brownsville to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Brownsville (BRO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(American Airlines)
Provider with most accurate pricing for Brownsville South Padre Is. Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Brownsville South Padre Is. Intl-Seattle/Tacoma Intl flights.
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From Brownsville South Padre Is. Intl to Seattle/Tacoma Intl
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 26, 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 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
Quickest round-trip

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Wed 9/2

10:43 am-4:41 pm

1 stop7h 58m

Seattle/Tacoma Intl

Sun 9/6

5:00 am-2:07 pm

1 stop7h 07m

$450

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Wed 9/2

12:05 pm-8:43 pm

2 stops10h 38m

Seattle/Tacoma Intl

Sun 9/6

7:00 am-3:51 pm

1 stop6h 51m

$459

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

9:20 am-8:43 pm

2 stops13h 23m

Seattle/Tacoma Intl

Sat 9/19

7:00 am-9:59 pm

2 stops12h 59m

$579
Cheapest one-way
Quickest one-way

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sun 8/9

2:37 pm-8:04 pm

1 stop7h 27m

$489

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sun 8/9

10:43 am-6:37 pm

1 stop9h 54m

$489

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sun 8/9

7:20 am-9:10 pm

3 stops15h 50m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Sorted by cheapest first

Compare providers for flights from Brownsville to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Brownsville to Seattle in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Brownsville-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Brownsville-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Brownsville-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Brownsville-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Brownsville-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Brownsville to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Brownsville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 26, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Brownsville to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,040 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
10,040 reviews
United Airlines
7.4
Good
10,040 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,844 reviews
United Airlines
7.4
Good
10,040 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Brownsville to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Brownsville to Seattle?

    Airlines like United Airlines and American Airlines fly from Brownsville to Seattle in about 7h 58m. The time it takes to get you to your destination can typically vary by up to 3h 01m. The distance between Brownsville and Seattle is about 2010 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Brownsville to Seattle round-trip?

    American Airlines, at $338, was found to be the cheapest airline from Brownsville to Seattle. An alternate airline flying to your destination would be United Airlines.

  • Can I find deals for flights from Brownsville to Seattle that include hotel bookings?

    Yes. In addition to deals on Brownsville to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Brownsville to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Brownsville to Seattle.

  • Can I find deals for business class flights from Brownsville to Seattle?

    Yes. Cheapflights offers flight deals from Brownsville to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Renton
Lacey
Leavenworth
Olympia
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Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
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Ellensburg
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Ocean Shores
Lakewood
Lynnwood
Issaquah

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Top 2 airlines flying from Brownsville to Seattle

Discover the top 2 airlines that operate flights from Brownsville to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$338Average$520FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$339Average$465FlexibilityNo cancel feeOn-time69%

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