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$384+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — SEA
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This United Airlines deal was found by Cheapflights users on 6/6. 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 10/177:15 am
BRO
-
SEA
2 stops13h 29m
United Airlines
Sat 10/247:11 am
SEA
-
BRO
1 stop9h 02m
United Airlines
Deal found 6/6$384
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/9$394
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/2812:07 pm
BRO
-
SEA
1 stop9h 05m
United Airlines
Sat 10/317:03 am
SEA
-
BRO
1 stop6h 35m
United Airlines
Deal found 6/10$479
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/94:44 pm
BRO
-
SEA
1 stop7h 58m
United Airlines
Thu 7/165:00 am
SEA
-
BRO
1 stop8h 57m
United Airlines
Deal found 6/11$562

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$384
(United Airlines)
Provider with most accurate pricing for Brownsville South Padre Is. Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Brownsville South Padre Is. Intl-Seattle/Tacoma Intl flights.
Search Deals
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 June 11, 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

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

$394

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Wed 10/28

5:25 pm-10:38 pm

1 stop7h 13m

Seattle/Tacoma Intl

Sat 10/31

9:02 am-11:33 pm

2 stops12h 31m

$484

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 10/17

7:15 am-2:53 pm

1 stop9h 38m

Seattle/Tacoma Intl

Sat 10/24

7:11 am-6:13 pm

1 stop9h 02m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 June.
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 June 11, 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
9,805 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,805 reviews
United Airlines
7.4
Good
9,805 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,642 reviews
United Airlines
7.4
Good
9,805 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 fly from Brownsville to Seattle in about 9h 05m. The time it takes to get you to your destination can typically vary by up to . The distance between Brownsville and Seattle is about 2010 mi.

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

    American Airlines, at $308, 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
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$486FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$358Average$468FlexibilityNo cancel feeOn-time69%

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