Cheap flights from Seattle to Brownsville from $309
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Brownsville departing on 3/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seattle to Brownsville
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Seattle to Brownsville
Our best American Airlines deals on Seattle to Brownsville flight tickets
United Airlines flights from Seattle to Brownsville
Our best United Airlines deals on Seattle to Brownsville flight tickets
See travel insights to Brownsville from
How to get the cheapest flight ticket from Seattle to Brownsville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Brownsville?
The month of January is another great option to travel to Brownsville, with average flight prices from Seattle averaging around $343.
What is the cheapest day to depart on your flight to Brownsville?
The cheapest day to depart from Seattle to Brownsville is on a Thursday. Travelers who choose to depart for Brownsville on a Thursday will often find tickets for as low as $386. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Brownsville on Monday is $627.
When to book flights from Seattle to Brownsville
Cheap Seattle to Brownsville (SEA to BRO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Brownsville
How far is Seattle/Tacoma Intl to Brownsville South Padre Is. Intl by plane?
Seattle/Tacoma Intl and Brownsville South Padre Is. Intl are 2015.9 mi apart from one another. Flights usually cover this in 6h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?
As of February 2025, there are 2 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Brownsville South Padre Is. Intl Airport.
What documentation or ID do you need to fly to Brownsville South Padre Is. Intl Airport?
The travel and health documents required for your trip to Brownsville South Padre Is. Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brownsville South Padre Is. Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Seattle to Brownsville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Brownsville is American Airlines (86% of total bookings). The next most popular airline is United Airlines (14%).
Best airlines flying from Seattle to Brownsville
Compare and see reviews for airlines that fly from Seattle to Brownsville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $256 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $282 | Free Cancellation | Rating 7.4 8,724 reviews |
Traveling to a place near Brownsville?
Book flights to Brownsville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Brownsville?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Brownsville. momondo saves you time and could save you money on your trip.
Can I find flights from Seattle to Brownsville with flexible booking policies on momondo?
momondo does allow users to show only those flights to Brownsville from Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seattle to Brownsville?
momondo helps you find the best flight between Seattle and Brownsville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Brownsville right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Brownsville, momondo offers a useful price alert feature which will track prices for flights to Brownsville from Seattle and alert you when they change.