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$329+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$329
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$468
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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Highest demand for flights based on searches. 12% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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 12/36:30 amBRO - SEA
1 stop8h 12mUnited Airlines
Mon 12/81:46 pmSEA - BRO
1 stop7h 50mUnited Airlines
Deal found 10/26$329
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/35:42 pmBRO - SEA
1 stop7h 56mAmerican Airlines
Sun 12/712:31 amSEA - BRO
1 stop7h 38mAmerican Airlines
Deal found 10/26$339
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/125:20 amBRO - SEA
1 stop7h 24mAmerican Airlines
Sat 11/1512:59 amSEA - BRO
1 stop6h 57mAmerican Airlines
Deal found 10/28$369
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/55:20 amBRO - SEA
1 stop7h 24mAmerican Airlines
Sun 11/97:23 amSEA - BRO
1 stop8h 18mAmerican Airlines
Deal found 10/26$419
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/1212:15 pmBRO - SEA
2 stops10h 58mUnited Airlines
Sun 11/161:43 pmSEA - BRO
1 stop7h 53mUnited Airlines
Deal found 10/28$452
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/255:35 amBRO - SEA
1 stop7h 24mAmerican Airlines
Tue 12/3011:59 pmSEA - BRO
1 stop7h 51mAmerican Airlines
Deal found 10/27$497
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/512:15 pmBRO - SEA
2 stops10h 58mUnited Airlines
Sun 11/99:04 amSEA - BRO
2 stops12h 32mUnited Airlines
Deal found 10/26$529

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 October 28, 2025.
Use the filters below to find and compare flights from Brownsville to Seattle that are best for you.

Fly from

Brownsville

Fly to

Seattle

Route

Depart

Return

Price

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Wed 12/3

6:30 am-12:42 pm

1 stop8h 12m

Seattle/Tacoma Intl

Mon 12/8

1:46 pm-11:36 pm

1 stop7h 50m

$329

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Wed 12/3

5:42 pm-11:38 pm

1 stop7h 56m

Seattle/Tacoma Intl

Sun 12/7

12:31 am-10:09 am

1 stop7h 38m

$339

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Thu 2/19

5:46 am-12:32 pm

1 stop8h 46m

Seattle/Tacoma Intl

Mon 2/23

11:20 am-10:24 pm

1 stop9h 04m

$409

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Thu 2/19

5:46 am-10:46 am

1 stop7h 00m

Seattle/Tacoma Intl

Sun 2/22

1:35 am-9:54 am

1 stop6h 19m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Brownsville-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Brownsville to Seattle

What is the cheapest month to book a flight from Brownsville to Seattle?

Currently, April is the cheapest month in which you can book a flight from Brownsville to Seattle (average of $196). Flying from Brownsville to Seattle in December is currently the most expensive (average of $316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BRO to SEA?

Find hourly flight availability from Brownsville to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Brownsville to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Brownsville to Seattle?

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 October 28, 2025.
Get a feel of what it's like to fly with Delta, 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.
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

7.9

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than

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 56m. The time it takes to get you to your destination can typically vary by up to 16m. 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?

    Delta, at $249, was found to be the cheapest airline from Brownsville to Seattle.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is currently priced 44% below the average price you’ll pay for this route.

  • 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.

  • What is the cheapest month to book a flight from Brownsville to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Brownsville to Seattle (average of $196). Flying from Brownsville to Seattle in December is currently the most expensive (average of $316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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Top 3 airlines flying from Brownsville to Seattle

Discover the top 3 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$249Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$301Average$475FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$358Average$509FlexibilityNo cancel feeOn-time69%

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