Flights from Boston to Collinsville

Cheapest flights from Boston

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.

Sat, Aug 2 - Thu, Aug 7

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$223 Roundtrip, found 1 day ago

$223

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Aug 2 from Logan Intl. to Lambert-St. Louis Intl., returning Thu, Aug 7, priced at $223 found 1 day ago

Sat, Aug 2 - Tue, Aug 5

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Aug 2 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $227 found 1 day ago

Fri, Aug 1 - Thu, Aug 7

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$243 Roundtrip, found 1 day ago

$243

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 1 from Logan Intl. to Lambert-St. Louis Intl., returning Thu, Aug 7, priced at $243 found 1 day ago

Sat, Aug 2 - Sat, Aug 9

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$244 Roundtrip, found 1 day ago

$244

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Aug 2 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 9, priced at $244 found 1 day ago

Fri, Aug 1 - Tue, Aug 5

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 1 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $247 found 1 day ago

Thu, Jul 31 - Thu, Aug 7

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$249 Roundtrip, found 1 day ago

$249

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Logan Intl. to Lambert-St. Louis Intl., returning Thu, Aug 7, priced at $249 found 1 day ago

Thu, Jul 31 - Tue, Aug 5

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$253 Roundtrip, found 1 day ago

$253

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $253 found 1 day ago

Fri, Aug 1 - Sat, Aug 9

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$264 Roundtrip, found 1 day ago

$264

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Aug 1 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 9, priced at $264 found 1 day ago

Wed, Jul 30 - Sat, Aug 2

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Jul 30 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $270 found 1 day ago

Wed, Jul 30 - Sat, Aug 2

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$279 Roundtrip, found 1 day ago

$279

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Jul 30 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $279 found 1 day ago

Thu, Jul 31 - Thu, Aug 7

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 31 from Logan Intl. to Lambert-St. Louis Intl., returning Thu, Aug 7, priced at $283 found 1 day ago

Wed, Jul 30 - Sat, Aug 2

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$285 Roundtrip, found 1 day ago

$285

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Jul 30 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $285 found 1 day ago

Wed, Jul 30 - Sat, Aug 2

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$289 Roundtrip, found 1 day ago

$289

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Jul 30 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $289 found 1 day ago

Fri, Aug 1 - Fri, Aug 8

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$306 Roundtrip, found 1 day ago

$306

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Logan Intl. to Lambert-St. Louis Intl., returning Fri, Aug 8, priced at $306 found 1 day ago

Thu, Jul 31 - Thu, Aug 7

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$319 Roundtrip, found 1 day ago

$319

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Logan Intl. to Lambert-St. Louis Intl., returning Thu, Aug 7, priced at $319 found 1 day ago

Wed, Jul 30 - Sat, Aug 2

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$324 Roundtrip, found 1 day ago

$324

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Jul 30 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $324 found 1 day ago

Tue, Jul 29 - Mon, Aug 4

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$324 Roundtrip, found 1 day ago

$324

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jul 29 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $324 found 1 day ago

Wed, Jul 30 - Sat, Aug 2

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$361 Roundtrip, found 1 day ago

$361

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Jul 30 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $361 found 1 day ago

Thu, Jul 31 - Thu, Aug 7

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$367 Roundtrip, found 1 day ago

$367

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Jul 31 from Logan Intl. to Lambert-St. Louis Intl., returning Thu, Aug 7, priced at $367 found 1 day ago

Wed, Jul 30 - Sat, Aug 2

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$371 Roundtrip, found 1 day ago

$371

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 30 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $371 found 1 day ago