Flights from Collinsville to Boston

Cheapest flights from Collinsville

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 23 - Sat, Jul 5

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$184 Roundtrip, found 5 days ago

$184

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Mon, Jun 23 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Jul 5, priced at $184 found 5 days ago

Thu, Aug 14 - Wed, Aug 20

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$191 Roundtrip, found 17 hours ago

$191

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Logan Intl., returning Wed, Aug 20, priced at $191 found 17 hours ago

Fri, Jun 20 - Thu, Jul 3

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$194 Roundtrip, found 6 days ago

$194

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Logan Intl., returning Thu, Jul 3, priced at $194 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$203 Roundtrip, found 17 hours ago

$203

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Aug 17, priced at $203 found 17 hours ago

Sun, Jun 22 - Sat, Jul 5

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$206 Roundtrip, found 5 days ago

$206

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Sun, Jun 22 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Jul 5, priced at $206 found 5 days ago

Mon, Jun 23 - Thu, Jul 3

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$209 Roundtrip, found 5 days ago

$209

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Mon, Jun 23 from Lambert-St. Louis Intl. to Logan Intl., returning Thu, Jul 3, priced at $209 found 5 days ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$220 Roundtrip, found 17 hours ago

$220

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Aug 16, priced at $220 found 17 hours ago

Tue, Aug 12 - Wed, Aug 20

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$228 Roundtrip, found 17 hours ago

$228

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Lambert-St. Louis Intl. to Logan Intl., returning Wed, Aug 20, priced at $228 found 17 hours ago

Sun, Jun 22 - Thu, Jul 3

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$231 Roundtrip, found 5 days ago

$231

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Sun, Jun 22 from Lambert-St. Louis Intl. to Logan Intl., returning Thu, Jul 3, priced at $231 found 5 days ago

Fri, Jun 20 - Sat, Jul 5

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$236 Roundtrip, found 5 days ago

$236

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Jul 5, priced at $236 found 5 days ago

Mon, Jun 23 - Sun, Jul 6

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$238 Roundtrip, found 5 days ago

$238

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Mon, Jun 23 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Jul 6, priced at $238 found 5 days ago

Tue, Aug 12 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$240 Roundtrip, found 17 hours ago

$240

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Aug 17, priced at $240 found 17 hours ago

Fri, Jun 20 - Sun, Jul 6

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$248 Roundtrip, found 6 days ago

$248

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Jul 6, priced at $248 found 6 days ago

Fri, Jun 20 - Sat, Jul 5

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$249 Roundtrip, found 6 days ago

$249

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Fri, Jun 20 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Jul 5, priced at $249 found 6 days ago

Tue, Aug 12 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$257 Roundtrip, found 17 hours ago

$257

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Tue, Aug 12 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Aug 16, priced at $257 found 17 hours ago

Thu, Jun 19 - Fri, Jul 4

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$270 Roundtrip, found 5 days ago

$270

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Lambert-St. Louis Intl. to Logan Intl., returning Fri, Jul 4, priced at $270 found 5 days ago

Tue, Aug 5 - Tue, Aug 12

STL

Lambert-St. Louis Intl.

PVD

T.F. Green

$285 Roundtrip, found 1 day ago

$285

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Aug 5 from Lambert-St. Louis Intl. to T.F. Green, returning Tue, Aug 12, priced at $285 found 1 day ago

Mon, Aug 18 - Tue, Aug 19

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$341 Roundtrip, found 17 hours ago

$341

Roundtrip

found 17 hours ago

Select American Airlines flight, departing Mon, Aug 18 from Lambert-St. Louis Intl. to Logan Intl., returning Tue, Aug 19, priced at $341 found 17 hours ago

Fri, Aug 15 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$373 Roundtrip, found 17 hours ago

$373

Roundtrip

found 17 hours ago

Select American Airlines flight, departing Fri, Aug 15 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $373 found 17 hours ago

Fri, Aug 15 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$393 Roundtrip, found 17 hours ago

$393

Roundtrip

found 17 hours ago

Select United flight, departing Fri, Aug 15 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $393 found 17 hours ago