Flights to Mascoutah from Boston - $104

Cheap Flights from Boston to Mascoutah (BOS-STL)

Prices were available within the past 7 days and start at $104 for one-way flights and $196 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 22 - Thu, Jul 31

BOS

Boston

STL

St. Louis

$196 Roundtrip, found 8 hours ago

$196

Roundtrip

found 8 hours ago

Select Southwest Airlines flight, departing Tue, Jul 22 from Boston to St. Louis, returning Thu, Jul 31, priced at $196 found 8 hours ago

Wed, Jul 23 - Thu, Jul 31

BOS

Boston

STL

St. Louis

$197 Roundtrip, found 10 hours ago

$197

Roundtrip

found 10 hours ago

Select American Airlines flight, departing Wed, Jul 23 from Boston to St. Louis, returning Thu, Jul 31, priced at $197 found 10 hours ago

Thu, May 15 - Sun, May 25

BOS

Boston

STL

St. Louis

$208 Roundtrip, found 6 hours ago

$208

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Thu, May 15 from Boston to St. Louis, returning Sun, May 25, priced at $208 found 6 hours ago

Wed, May 21 - Sun, May 25

BOS

Boston

STL

St. Louis

$223 Roundtrip, found 10 hours ago

$223

Roundtrip

found 10 hours ago

Select Delta flight, departing Wed, May 21 from Boston to St. Louis, returning Sun, May 25, priced at $223 found 10 hours ago

Tue, May 20 - Sun, May 25

BOS

Boston

STL

St. Louis

$235 Roundtrip, found 17 hours ago

$235

Roundtrip

found 17 hours ago

Select United flight, departing Tue, May 20 from Boston to St. Louis, returning Sun, May 25, priced at $235 found 17 hours ago

Tue, Jul 22 - Thu, Jul 31

BOS

Boston

STL

St. Louis

$242 Roundtrip, found 8 hours ago

$242

Roundtrip

found 8 hours ago

Select Spirit Airlines flight, departing Tue, Jul 22 from Boston to St. Louis, returning Thu, Jul 31, priced at $242 found 8 hours ago