Flights from St. Louis to Newburyport

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.

Thu, Aug 14 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$189 Roundtrip, found 1 day ago

$189

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Logan Intl., returning Thu, Aug 21, priced at $189 found 1 day ago

Thu, Aug 14 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$199 Roundtrip, found 1 day ago

$199

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Logan Intl., returning Sun, Aug 17, priced at $199 found 1 day ago

Thu, Aug 14 - Wed, Aug 27

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$207 Roundtrip, found 1 day ago

$207

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Logan Intl., returning Wed, Aug 27, priced at $207 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$214 Roundtrip, found 1 day ago

$214

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $214 found 1 day ago

Tue, Aug 19 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Aug 19 from Lambert-St. Louis Intl. to Logan Intl., returning Thu, Aug 21, priced at $217 found 1 day ago

Sun, Aug 17 - Sat, Aug 23

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Sat, Aug 23, priced at $217 found 1 day ago

Thu, Aug 14 - Fri, Aug 15

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$229 Roundtrip, found 1 day ago

$229

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Logan Intl., returning Fri, Aug 15, priced at $229 found 1 day ago

Thu, Aug 14 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $234 found 1 day ago

Sun, Aug 17 - Tue, Aug 26

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$268 Roundtrip, found 1 day ago

$268

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Tue, Aug 26, priced at $268 found 1 day ago

Sat, Aug 16 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$290 Roundtrip, found 1 day ago

$290

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Aug 16 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $290 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$292 Roundtrip, found 1 day ago

$292

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $292 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$315 Roundtrip, found 1 day ago

$315

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $315 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$317 Roundtrip, found 1 day ago

$317

Roundtrip

found 1 day ago

Select United flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $317 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$325 Roundtrip, found 1 day ago

$325

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $325 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$345 Roundtrip, found 1 day ago

$345

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $345 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$355 Roundtrip, found 1 day ago

$355

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $355 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$357 Roundtrip, found 1 day ago

$357

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $357 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$358 Roundtrip, found 1 day ago

$358

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $358 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$367 Roundtrip, found 1 day ago

$367

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $367 found 1 day ago

Sun, Aug 17 - Mon, Aug 18

STL

Lambert-St. Louis Intl.

BOS

Logan Intl.

$379 Roundtrip, found 1 day ago

$379

Roundtrip

found 1 day ago

Select United flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Logan Intl., returning Mon, Aug 18, priced at $379 found 1 day ago