Flights from St. Louis to East Falmouth

Cheapest flights from St. Louis

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, Oct 6 - Sat, Oct 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$209 Roundtrip, found 6 days ago

$209

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Oct 18, priced at $209 found 6 days ago

Mon, Oct 6 - Sun, Oct 19

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$211 Roundtrip, found 6 days ago

$211

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Oct 19, priced at $211 found 6 days ago

Mon, Oct 6 - Thu, Oct 16

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$221 Roundtrip, found 6 days ago

$221

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from Lambert-St. Louis Intl. to Logan Intl., returning Thu, Oct 16, priced at $221 found 6 days ago

Thu, Oct 9 - Fri, Oct 17

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$252 Roundtrip, found 6 days ago

$252

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Lambert-St. Louis Intl. to Logan Intl., returning Fri, Oct 17, priced at $252 found 6 days ago

Mon, Oct 6 - Tue, Oct 21

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$268 Roundtrip, found 6 days ago

$268

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Oct 6 from Lambert-St. Louis Intl. to Logan Intl., returning Tue, Oct 21, priced at $268 found 6 days ago

Sun, Oct 12 - Sat, Oct 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$303 Roundtrip, found 6 days ago

$303

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Oct 12 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Oct 18, priced at $303 found 6 days ago

Sun, Oct 12 - Sun, Oct 19

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$305 Roundtrip, found 6 days ago

$305

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Oct 12 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Oct 19, priced at $305 found 6 days ago

Sun, Oct 12 - Thu, Oct 16

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$315 Roundtrip, found 5 days ago

$315

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Sun, Oct 12 from Lambert-St. Louis Intl. to Logan Intl., returning Thu, Oct 16, priced at $315 found 5 days ago

Thu, Oct 9 - Sat, Oct 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$353 Roundtrip, found 6 days ago

$353

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Oct 9 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Oct 18, priced at $353 found 6 days ago

Thu, Oct 9 - Sun, Oct 19

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$355 Roundtrip, found 6 days ago

$355

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Oct 9 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Oct 19, priced at $355 found 6 days ago

Sun, Oct 12 - Tue, Oct 21

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$362 Roundtrip, found 6 days ago

$362

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Oct 12 from Lambert-St. Louis Intl. to Logan Intl., returning Tue, Oct 21, priced at $362 found 6 days ago

Tue, Oct 7 - Wed, Oct 15

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$363 Roundtrip, found 5 days ago

$363

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Oct 7 from Lambert-St. Louis Intl. to Logan Intl., returning Wed, Oct 15, priced at $363 found 5 days ago

Thu, Oct 9 - Thu, Oct 16

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$365 Roundtrip, found 5 days ago

$365

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Oct 9 from Lambert-St. Louis Intl. to Logan Intl., returning Thu, Oct 16, priced at $365 found 5 days ago

Tue, Oct 7 - Sat, Oct 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$377 Roundtrip, found 6 days ago

$377

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Oct 7 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Oct 18, priced at $377 found 6 days ago

Tue, Oct 7 - Sat, Oct 11

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$383 Roundtrip, found 5 days ago

$383

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Oct 7 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Oct 11, priced at $383 found 5 days ago

Sun, Jul 13 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$449 Roundtrip, found 16 hours ago

$449

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Logan Intl., returning Fri, Jul 18, priced at $449 found 16 hours ago

Sun, Jul 13 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$459 Roundtrip, found 16 hours ago

$459

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Logan Intl., returning Fri, Jul 18, priced at $459 found 16 hours ago

Sun, Jul 13 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$487 Roundtrip, found 16 hours ago

$487

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Logan Intl., returning Fri, Jul 18, priced at $487 found 16 hours ago

Sun, Jul 13 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$499 Roundtrip, found 16 hours ago

$499

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Logan Intl., returning Fri, Jul 18, priced at $499 found 16 hours ago

Sun, Jul 13 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$684 Roundtrip, found 16 hours ago

$684

Roundtrip

found 16 hours ago

Select United flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Logan Intl., returning Fri, Jul 18, priced at $684 found 16 hours ago