$149 Cheap Flights from Brownsville (BRO) to Seattle (SEA)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Brownsville to Seattle (BRO-SEA)

Prices were available within the past 7 days and start at $149 for one-way flights and $341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
American Airlines
American Airlines
United
United
United
United
American Airlines
Alaska Airlines

Frequently asked questions

Is it cheaper to buy a plane ticket from BRO to Sea-Tac Airport last minute?
When it comes to booking your flights, it’s better to be prepared. While it’s possible to pick up a last-minute deal on a BRO to Sea-Tac Airport flight, tickets usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it’s three to four months.
What airports do you fly into for Seattle from Brownsville?
From Brownsville, you can connect to Seattle via Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI). Do some research into which terminal works best for you before you make a decision. If you pick Seattle - Tacoma Intl. Airport (SEA), it’s approximately 12 mi south of downtown. Use the money you save when booking your seat with Expedia to discover the city’s awesome attractions, such as Space Needle and Pike Place Market.
Can I change the date of my flight from BRO to Sea-Tac Airport?
Sometimes life gets in the way of plans, so Expedia is here to help make amending your trip as easy as possible. First, access your Brownsville-South Padre Island Intl. Airport (BRO) to Seattle - Tacoma Intl. Airport (SEA) itinerary through the Expedia Trips portal and check the ticket conditions and rules about change fees or other charges. If you booked your airfare in the last 24 hours, some airlines will let you cancel without charge and book new flights. If you bought your ticket more than 24 hours ago, contact us via our Customer Service portal to run through your options.
*Available to One Key members.