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$175+ Cheap flights from Brownsville to Seattle (BRO - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — SEA
oct. 11 — oct. 181
sam. 10/11
sam. 10/18
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 septembre 11, 2025.

Round-trip from

$309
(United Airlines)

One-way from

$175
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$318
From Brownsville South Padre Is. Intl to Seattle/Tacoma Intl
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One-way flight from Brownsville South Padre Is. Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
lun. 11/245:15 pmBRO - SEA
1 stop7h 31mUnited Airlines
ven. 11/287:10 amSEA - BRO
1 stop6h 50mUnited Airlines
Deal found 9/10$309
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/75:20 amBRO - SEA
1 stop7h 24mAmerican Airlines
sam. 11/812:59 amSEA - BRO
1 stop6h 56mAmerican Airlines
Deal found 9/10$329
This United Airlines deal was found by Cheapflights users on 9/10. 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.
ven. 11/712:15 pmBRO - SEA
1 stop9h 10mUnited Airlines
dim. 11/91:43 pmSEA - BRO
1 stop7h 53mUnited Airlines
Deal found 9/10$429
This United Airlines deal was found by Cheapflights users on 9/10. 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.
mer. 11/267:15 amBRO - SEA
1 stop7h 32mUnited Airlines
dim. 11/307:10 amSEA - BRO
1 stop6h 50mUnited Airlines
Deal found 9/10$472
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/245:20 amBRO - SEA
2 stops10h 48mAmerican Airlines
jeu. 11/2712:59 amSEA - BRO
1 stop6h 56mAmerican Airlines
Deal found 9/10$492
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/267:20 pmBRO - SEA
1 stop7h 38mAmerican Airlines
sam. 11/2912:59 amSEA - BRO
1 stop6h 56mAmerican Airlines
Deal found 9/10$644

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 septembre 11, 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

lun. 11/24

5:15 pm-10:46 pm

1 stop7h 31m

Seattle/Tacoma Intl

ven. 11/28

7:10 am-4:00 pm

1 stop6h 50m

$309

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

lun. 11/24

6:31 pm-11:34 pm

1 stop7h 03m

Seattle/Tacoma Intl

jeu. 11/27

12:59 am-9:55 am

1 stop6h 56m

$309

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

ven. 11/7

5:20 am-10:44 am

1 stop7h 24m

Seattle/Tacoma Intl

dim. 11/9

5:24 am-2:17 pm

1 stop6h 53m

$329

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

mar. 12/23

4:55 pm-12:34 am

1 stop9h 39m

$175

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

mar. 9/16

5:26 am-2:49 pm

2 stops11h 23m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

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, January is the cheapest month in which you can book a flight from Brownsville to Seattle (average of $238). Flying from Brownsville to Seattle in June is currently the most expensive (average of $388). 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 septembre 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Brownsville to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

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 septembre 11, 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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

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 03m. The time it takes to get you to your destination can typically vary by up to 28m. 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, January is the cheapest month in which you can book a flight from Brownsville to Seattle (average of $238). Flying from Brownsville to Seattle in June is currently the most expensive (average of $388). 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
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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Alternative routes for Brownsville to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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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 septembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$249Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$301Average$488FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$358Average$598FlexibilityNo cancel feeOn-time69%

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