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

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Frontier Airlines Flight 87 Route Deals From $153

The cheapest prices found with in the last 7 days for return flights were $256 and $153 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 5 days ago
$256
Roundtrip
found 5 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 5 days ago
Sat, May 9 - Fri, May 15
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 Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $298 found 2 days ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$302 Roundtrip, found 5 days ago
$302
Roundtrip
found 5 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 5 days ago
Thu, Apr 30 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$332 Roundtrip, found 19 hours ago
$332
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Apr 30 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $332 found 19 hours ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$337 Roundtrip, found 2 days ago
$337
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $337 found 2 days ago
Sat, Mar 7 - Wed, Mar 11
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$339 Roundtrip, found 2 days ago
$339
Roundtrip
found 2 days 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 2 days ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$345 Roundtrip, found 2 days ago
$345
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $345 found 2 days ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$355 Roundtrip, found 2 days ago
$355
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $355 found 2 days ago
Thu, Mar 26 - Sun, Mar 29
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$359 Roundtrip, found 8 hours ago
$359
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Mar 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Mar 29, priced at $359 found 8 hours ago
Thu, Mar 26 - Sun, Mar 29
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$365 Roundtrip, found 8 hours ago
$365
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Mar 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Mar 29, priced at $365 found 8 hours 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.