Flights From St. Louis (STL) to Amherst (BUF)

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Selected fares from St. Louis to Amherst

The cheapest prices found with in the last 7 days for return flights were CA $358 and CA $200 for one-way flights to Amherst for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue., 1 Apr. - Tue., 8 Apr.
STL
Lambert-St. Louis Intl.
BUF
Buffalo Niagara Intl.
CA $358 Roundtrip, found 1 day ago
CA $358
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue., 1 Apr. from Lambert-St. Louis Intl. to Buffalo Niagara Intl., returning Tue., 8 Apr., priced at CA $358 found 1 day ago
Frontier Airlines
Wed., 2 Apr. - Tue., 8 Apr.
STL
Lambert-St. Louis Intl.
BUF
Buffalo Niagara Intl.
CA $359 Roundtrip, found 1 day ago
CA $359
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed., 2 Apr. from Lambert-St. Louis Intl. to Buffalo Niagara Intl., returning Tue., 8 Apr., priced at CA $359 found 1 day ago
Frontier Airlines
Fri., 4 Apr. - Tue., 8 Apr.
STL
Lambert-St. Louis Intl.
BUF
Buffalo Niagara Intl.
CA $372 Roundtrip, found 1 day ago
CA $372
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri., 4 Apr. from Lambert-St. Louis Intl. to Buffalo Niagara Intl., returning Tue., 8 Apr., priced at CA $372 found 1 day ago