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$129 Cheap American Airlines flights St. Louis (STL) to Boston (BOS)

View $129 flight on Tue, Sep 8, 2026Opens in a new window

$129 Cheap American Airlines flights St. Louis (STL) to Boston (BOS)

Prices were available within the past 7 days and start at $129 for one-way flights and $282 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 8 - Tue, Sep 15
STL
St. Louis
BOS
Boston
$282 Roundtrip, found 6 days ago
$282
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep 8 from St. Louis to Boston, returning Tue, Sep 15, priced at $282 found 6 days ago

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $280
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $280

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Delta
Distance
1669 km
Average flight time
3 hours 36 mins

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