
Frontier Airlines Flight F987 Deals & Information (2025/2026)
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Frontier Airlines Flight 87 Route Deals From $144
The cheapest prices found with in the last 7 days for return flights were $261 and $144 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 2 hours ago
$261
Roundtrip
found 2 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$264 Roundtrip, found 9 hours ago
$264
Roundtrip
found 9 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$305 Roundtrip, found 9 hours ago
$305
Roundtrip
found 9 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$310 Roundtrip, found 9 hours ago
$310
Roundtrip
found 9 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$320 Roundtrip, found 4 days ago
$320
Roundtrip
found 4 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$326 Roundtrip, found 9 hours ago
$326
Roundtrip
found 9 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$331 Roundtrip, found 9 hours ago
$331
Roundtrip
found 9 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$340 Roundtrip, found 2 days ago
$340
Roundtrip
found 2 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$341 Roundtrip, found 5 days ago
$341
Roundtrip
found 5 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$350 Roundtrip, found 9 hours ago
$350
Roundtrip
found 9 hours ago