Cheap flights from St. Louis to Brownsville from $305
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Brownsville departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from St. Louis to Brownsville
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American Airlines flights from St. Louis to Brownsville
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How to get the cheapest flight ticket from St. Louis 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 typical price of a round-trip flight between St. Louis and Brownsville?
What is the cheapest month to fly to Brownsville?
The month of February is another great option to travel to Brownsville, with average flight prices from St. Louis averaging around $320.
What is the cheapest day to depart on your flight to Brownsville?
The cheapest day to depart from St. Louis to Brownsville is on a Tuesday. Travelers who choose to depart for Brownsville on a Tuesday will often find tickets for as low as $320. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Brownsville on Sunday is $429.
When to book flights from St. Louis to Brownsville
Cheap St. Louis to Brownsville (STL to BRO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Brownsville
How far is Lambert-St Louis to Brownsville South Padre Is. Intl by plane?
There are 975.7 mi between Lambert-St Louis and Brownsville South Padre Is. Intl. 5h 49m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport?
Prices for flights from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport?
As of April 2025, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport.
How old do you have to be to fly from Lambert-St Louis 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 Lambert-St Louis 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 St. Louis to Brownsville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Brownsville is American Airlines (62% of total bookings). The next most popular airline is United Airlines (38%).
Best airlines flying from St. Louis to Brownsville
Compare and see reviews for airlines that fly from St. Louis to Brownsville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $250 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $273 | Free Cancellation | Rating 7.4 8,685 reviews |
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Why should I use momondo to find a flight deal from St. Louis to Brownsville?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Brownsville for you.
Can I find flights from St. Louis to Brownsville with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Brownsville flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Brownsville?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brownsville from St. Louis.
I’m not ready to book a flight from St. Louis to Brownsville right now. Can momondo alert me if prices change?
Yes. momondo can track prices for St. Louis to Brownsville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.