Seattle

$314+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — SEA
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Brownsville to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$410
(American Airlines)

One-way from

$314
(American Airlines)

Popular in

August

Cheapest in

January

Average price

$538
From Brownsville South Padre Is. Intl to Seattle/Tacoma Intl
One-way flight from Brownsville South Padre Is. Intl to Seattle/Tacoma Intl
Highest demand for flights based on searches. 15% potential increase in price ($83 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:26 pmBRO - SEA
1 stop7h 17mAmerican Airlines
Fri 7/1811:32 pmSEA - BRO
1 stop8h 31mAmerican Airlines
Deal found 6/11$410
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.
Fri 6/205:15 amBRO - SEA
1 stop7h 37mUnited Airlines
Tue 6/246:25 amSEA - BRO
2 stops11h 15mUnited Airlines
Deal found 6/11$460
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/83:08 pmBRO - SEA
1 stop9h 47mAlaska Airlines
Wed 7/1612:25 amSEA - BRO
1 stop7h 32mAlaska Airlines
Deal found 6/10$687

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 12, 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 7/9

7:26 pm-12:43 am

1 stop7h 17m

Seattle/Tacoma Intl

Fri 7/18

11:32 pm-10:03 am

1 stop8h 31m

$410

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Tue 7/8

12:13 pm-7:14 pm

1 stop9h 01m

Seattle/Tacoma Intl

Thu 7/17

11:58 pm-11:25 am

1 stop9h 27m

$480

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Thu 7/24

3:08 pm-10:55 pm

1 stop9h 47m

Seattle/Tacoma Intl

Wed 7/30

12:25 am-9:57 am

1 stop7h 32m

$617

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Fri 6/20

7:09 pm-12:44 am

1 stop7h 35m

$314

BrownsvilleSeattle

BRO - SEA

BROSEA

Brownsville South Padre Is. Intl

Sat 6/21

12:13 pm-9:11 pm

2 stops10h 58m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 July is currently the most expensive (average of $391). 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 June 12, 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 12, 2025.
See what other customers who have flown with Alaska Airlines, United Airlines and American Airlines from Brownsville to Seattle have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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

    American Airlines, at $410, was found to be the cheapest airline from Brownsville to Seattle.Alternate airlines to your destination round-trip include United Airlines and Alaska Airlines. American Airlines is currently priced 12% 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 July is currently the most expensive (average of $391). 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 Brownsville?

Book flights to Brownsville if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Brownsville to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$249Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$301Average$482FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$625FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.