Boston to St. Peters Flights (BOS-STL) from $54

Selected fares from Boston to St. Peters

The cheapest prices found with in the last 7 days for return flights were $118 and $54 for one-way flights to St. Peters for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Apr 29 - Sun, May 5

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$118 Roundtrip, found 3 days ago

$118

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Apr 29 from Logan Intl. to Lambert-St. Louis Intl., returning Sun, May 5, priced at $118 found 3 days ago

Thu, May 30 - Sat, Jun 1

BOS

Logan Intl.

STL

Lambert-St. Louis Intl.

$198 Roundtrip, found 14 hours ago

$198

Roundtrip

found 14 hours ago

Select Spirit Airlines flight, departing Thu, May 30 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Jun 1, priced at $198 found 14 hours ago

Wed, Jul 31 - Wed, Aug 14

MHT

Manchester-Boston Regional

STL

Lambert-St. Louis Intl.

$271 Roundtrip, found 2 days ago

$271

Roundtrip

found 2 days ago

Select American Airlines flight, departing Wed, Jul 31 from Manchester-Boston Regional to Lambert-St. Louis Intl., returning Wed, Aug 14, priced at $271 found 2 days ago