Frontier Airlines Flight 87 Deals & Information (2026/2027)

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Frontier Airlines Flight 87 Route Deals From $142

The cheapest prices found with in the last 7 days for return flights were $208 and $142 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 15 - Sun, Apr 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$208 Roundtrip, found 21 hours ago
$208
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $208 found 21 hours ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$256 Roundtrip, found 19 hours ago
$256
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $256 found 19 hours ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$298 Roundtrip, found 19 hours ago
$298
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $298 found 19 hours ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$302 Roundtrip, found 19 hours ago
$302
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $302 found 19 hours ago
Wed, Apr 15 - Sun, Apr 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$303 Roundtrip, found 21 hours ago
$303
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $303 found 21 hours ago
Thu, Mar 5 - Sat, Mar 7
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$327 Roundtrip, found 6 days ago
$327
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Mar 7, priced at $327 found 6 days ago
Wed, Apr 15 - Sun, Apr 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$332 Roundtrip, found 21 hours ago
$332
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $332 found 21 hours ago
Wed, Apr 15 - Sun, Apr 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$337 Roundtrip, found 21 hours ago
$337
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $337 found 21 hours ago
Sat, Feb 28 - Tue, Mar 3
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Mar 3, priced at $343 found 4 days ago
Thu, Mar 5 - Sat, Mar 7
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$347 Roundtrip, found 6 days ago
$347
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Mar 7, priced at $347 found 6 days ago

Frequently asked questions

What route does flight number F987 take?
F987 operates between CUN and STL directly. This journey typically takes 3 hours and 30 minutes.
How often is F987 on time?
If you're flying on Frontier Airlines flight number F987 from Cancun Airport to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.), 84% of these services touch down as scheduled. On the rare occasion that there is a delay, expect a wait time of around 28 minutes on average. Thanks to the carrier's high standard of service, this trip has a 2.8-star rating.
What terminal does F987 fly out of?
Passengers on flight number F987 from Cancun Airport to STL normally depart from Terminal 4.
What kind of plane is on flight number F987?
Expect to cruise aboard an Airbus A320 if you're traveling on flight F987. Nearly all services from Cancun Airport to Lambert Field operate using this kind of aircraft.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your F987 flight with Travelocity, please visit our Customer Service Portal.