$349 Find Cheap Flights from St. Louis to Brownsville - Compare and Save

Only Economy Class is available on flights from St. Louis to Brownsville.

There are currently no nonstop flights available from St. Louis to Brownsville. Flights with 1 layover take between 4h 59m and 5h 08m in total, depending on the connection.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from St. Louis to Brownsville range from $341 to $618, with an average of $453 over the past 12 months. Anything below $341 counts as a good deal.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $349 to $1,397. That means the highest observed fare was about 4x higher than the lowest one.

Brownsville South Padre Is. Intl Airport (BRO) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:

• Enterprise Rent-A-Car
• Avis
• Budget
• National
• Hertz

Flights from St. Louis to Brownsville usually depart from Lambert-St Louis (STL) and arrive at Brownsville South Padre Is. Intl (BRO).

Connecting flights from St. Louis to Brownsville most commonly pass through:

• Dallas/Fort Worth (DFW) - 67% of one-stop connections
• Houston George Bush Intcntl (IAH) - 33% of one-stop connections

Yes. Flexible dates can save you up to 48% on flights from St. Louis to Brownsville. Saturday is the cheapest departure day at $341 round-trip on average, while Monday is the most expensive at $645, a difference of $304.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 59m, compared with 5h 08m via Houston George Bush Intcntl (IAH).