$179 Cheap Spirit Airlines flights Boston (BOS) to St. Louis (STL)

$179 Cheap Spirit Airlines flights Boston (BOS) to St. Louis (STL)

Prices were available within the past 7 days and start at $179 for one-way flights and $213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 21 - Mon, Jun 23

BOS

Boston

STL

St. Louis

$213 Roundtrip, found 23 hours ago

$213

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Sat, Jun 21 from Boston to St. Louis, returning Mon, Jun 23, priced at $213 found 23 hours ago

Thu, Jun 19 - Mon, Jun 23

BOS

Boston

STL

St. Louis

$229 Roundtrip, found 23 hours ago

$229

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Boston to St. Louis, returning Mon, Jun 23, priced at $229 found 23 hours ago

Thu, Jun 19 - Sun, Jun 22

BOS

Boston

STL

St. Louis

$265 Roundtrip, found 23 hours ago

$265

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Boston to St. Louis, returning Sun, Jun 22, priced at $265 found 23 hours ago

Thu, Jun 19 - Fri, Jun 20

BOS

Boston

STL

St. Louis

$269 Roundtrip, found 23 hours ago

$269

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Boston to St. Louis, returning Fri, Jun 20, priced at $269 found 23 hours ago

Sun, Jun 22 - Mon, Jun 23

BOS

Boston

STL

St. Louis

$309 Roundtrip, found 23 hours ago

$309

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Sun, Jun 22 from Boston to St. Louis, returning Mon, Jun 23, priced at $309 found 23 hours ago

Thu, Jun 19 - Sun, Jun 22

BOS

Boston

STL

St. Louis

$360 Roundtrip, found 23 hours ago

$360

Roundtrip

found 23 hours ago

Select Spirit Airlines flight, departing Thu, Jun 19 from Boston to St. Louis, returning Sun, Jun 22, priced at $360 found 23 hours ago