$395 Cheap Spirit Airlines flights St. Louis (STL) to Boston (BOS)

$395 Cheap Spirit Airlines flights St. Louis (STL) to Boston (BOS)

Prices were available within the past 7 days and start at $395 for one-way flights and $348 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 23 - Wed, Oct 29

STL

St. Louis

BOS

Boston

$348 Roundtrip, found 1 day ago

$348

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Oct 23 from St. Louis to Boston, returning Wed, Oct 29, priced at $348 found 1 day ago

Thu, Oct 23 - Sun, Nov 2

STL

St. Louis

BOS

Boston

$368 Roundtrip, found 1 day ago

$368

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Oct 23 from St. Louis to Boston, returning Sun, Nov 2, priced at $368 found 1 day ago

Thu, Oct 23 - Sat, Oct 25

STL

St. Louis

BOS

Boston

$386 Roundtrip, found 1 day ago

$386

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Oct 23 from St. Louis to Boston, returning Sat, Oct 25, priced at $386 found 1 day ago

Sat, Oct 25 - Wed, Oct 29

STL

St. Louis

BOS

Boston

$388 Roundtrip, found 1 day ago

$388

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Oct 25 from St. Louis to Boston, returning Wed, Oct 29, priced at $388 found 1 day ago

Sun, Oct 26 - Sun, Nov 2

STL

St. Louis

BOS

Boston

$398 Roundtrip, found 1 day ago

$398

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Oct 26 from St. Louis to Boston, returning Sun, Nov 2, priced at $398 found 1 day ago

Sat, Oct 25 - Sun, Nov 2

STL

St. Louis

BOS

Boston

$408 Roundtrip, found 1 day ago

$408

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Oct 25 from St. Louis to Boston, returning Sun, Nov 2, priced at $408 found 1 day ago

Thu, Oct 23 - Fri, Oct 24

STL

St. Louis

BOS

Boston

$413 Roundtrip, found 1 day ago

$413

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Oct 23 from St. Louis to Boston, returning Fri, Oct 24, priced at $413 found 1 day ago