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

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Frontier Airlines Flight 87 Route Deals From $187

The cheapest prices found with in the last 7 days for return flights were $256 and $187 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days 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 2 days ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$298 Roundtrip, found 2 days ago
$298
Roundtrip
found 2 days 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 2 days ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$302 Roundtrip, found 2 days ago
$302
Roundtrip
found 2 days 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 2 days ago
Sat, Mar 7 - Wed, Mar 11
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$332 Roundtrip, found 23 hours ago
$332
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sat, Mar 7 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 11, priced at $332 found 23 hours ago
Fri, Apr 17 - Wed, Apr 22
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$338 Roundtrip, found 3 hours ago
$338
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Apr 22, priced at $338 found 3 hours ago
Sat, Mar 7 - Wed, Mar 11
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$339 Roundtrip, found 23 hours ago
$339
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sat, Mar 7 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 11, priced at $339 found 23 hours ago
Fri, May 15 - Tue, Aug 11
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, May 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $349 found 4 days ago
Thu, Apr 30 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$364 Roundtrip, found 9 hours ago
$364
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Apr 30 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $364 found 9 hours ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$368 Roundtrip, found 2 days ago
$368
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $368 found 2 days ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$371 Roundtrip, found 2 days ago
$371
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $371 found 2 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.