$140 Cheap Frontier Airlines flights Seattle (SEA) to San Antonio (SAT)

$140 Cheap Frontier Airlines flights Seattle (SEA) to San Antonio (SAT)

Prices were available within the past 7 days and start at $140 for one-way flights and $226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 5 - Mon, Jun 9

SEA

Seattle

SAT

San Antonio

$226 Roundtrip, found 2 days ago

$226

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Seattle to San Antonio, returning Mon, Jun 9, priced at $226 found 2 days ago

Mon, May 12 - Thu, May 15

SEA

Seattle

SAT

San Antonio

$228 Roundtrip, found 6 days ago

$228

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, May 12 from Seattle to San Antonio, returning Thu, May 15, priced at $228 found 6 days ago

Fri, May 9 - Thu, May 15

SEA

Seattle

SAT

San Antonio

$248 Roundtrip, found 6 days ago

$248

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, May 9 from Seattle to San Antonio, returning Thu, May 15, priced at $248 found 6 days ago