
American Airlines Flight DL4521 Deals & Information (2025/2026)
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American Airlines Flight 4521 Route Deals From $70
The cheapest prices found with in the last 7 days for return flights were $137 and $70 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$137 Roundtrip, found 6 days ago
$137
Roundtrip
found 6 days ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$147 Roundtrip, found 13 hours ago
$147
Roundtrip
found 13 hours ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$160 Roundtrip, found 17 hours ago
$160
Roundtrip
found 17 hours ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$172 Roundtrip, found 1 day ago
$172
Roundtrip
found 1 day ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$175 Roundtrip, found 3 days ago
$175
Roundtrip
found 3 days ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$178 Roundtrip, found 4 days ago
$178
Roundtrip
found 4 days ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$180 Roundtrip, found 13 hours ago
$180
Roundtrip
found 13 hours ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$192 Roundtrip, found 2 days ago
$192
Roundtrip
found 2 days ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$197 Roundtrip, found 6 days ago
$197
Roundtrip
found 6 days ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$203 Roundtrip, found 13 hours ago
$203
Roundtrip
found 13 hours ago
LGA
LaGuardia
BUF
Buffalo Niagara Intl.
$207 Roundtrip, found 4 hours ago
$207
Roundtrip
found 4 hours ago