
Frontier Airlines Flight WN87 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 $254 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.
$254 Roundtrip, found 11 hours ago
$254
Roundtrip
found 11 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$258 Roundtrip, found 10 hours ago
$258
Roundtrip
found 10 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 6 days ago
$261
Roundtrip
found 6 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$296 Roundtrip, found 2 days ago
$296
Roundtrip
found 2 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$301 Roundtrip, found 2 days ago
$301
Roundtrip
found 2 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$305 Roundtrip, found 2 days ago
$305
Roundtrip
found 2 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$310 Roundtrip, found 13 hours ago
$310
Roundtrip
found 13 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$320 Roundtrip, found 11 hours ago
$320
Roundtrip
found 11 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$323 Roundtrip, found 10 hours ago
$323
Roundtrip
found 10 hours ago