
Frontier Airlines Flight WN87 Deals & Information (2025/2026)
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Frontier Airlines Flight 87 Route Deals From $161
The cheapest prices found with in the last 7 days for return flights were $314 and $161 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.
$314 Roundtrip, found 13 hours ago
$314
Roundtrip
found 13 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$323 Roundtrip, found 2 days ago
$323
Roundtrip
found 2 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$334 Roundtrip, found 6 hours ago
$334
Roundtrip
found 6 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$338 Roundtrip, found 6 days ago
$338
Roundtrip
found 6 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$342 Roundtrip, found 18 hours ago
$342
Roundtrip
found 18 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$343 Roundtrip, found 5 days ago
$343
Roundtrip
found 5 days ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$345 Roundtrip, found 6 hours ago
$345
Roundtrip
found 6 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$348 Roundtrip, found 6 hours ago
$348
Roundtrip
found 6 hours ago
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$350 Roundtrip, found 6 days ago
$350
Roundtrip
found 6 days ago