Flights from St. Louis to Chestnut Hill

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.

Frontier Airlines
Fri, Jul 11 - Mon, Jul 21
STL
Lambert-St. Louis Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jul 11 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Jul 21, priced at $288 found 1 day ago
Frontier Airlines
Sun, Jul 13 - Tue, Jul 15
STL
Lambert-St. Louis Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Jul 15, priced at $298 found 1 day ago
Frontier Airlines
Sun, Jul 13 - Sat, Jul 19
STL
Lambert-St. Louis Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Jul 19, priced at $301 found 1 day ago
Frontier Airlines
Sun, Jul 13 - Mon, Jul 21
STL
Lambert-St. Louis Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Jul 21, priced at $318 found 1 day ago
Frontier Airlines
Sun, Jul 13 - Wed, Jul 16
STL
Lambert-St. Louis Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$328 Roundtrip, found 1 day ago
$328
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Lambert-St. Louis Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Jul 16, priced at $328 found 1 day ago