Frontier Airlines Flight 87 Deals & Information (2025/2026)

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Frontier Airlines Flight 87 Route Deals From $148

The cheapest prices found with in the last 7 days for return flights were $280 and $148 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 26 - Wed, Mar 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$280 Roundtrip, found 22 hours ago
$280
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $280 found 22 hours ago
Fri, Jan 9 - Sun, Jan 11
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$303 Roundtrip, found 14 hours ago
$303
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Fri, Jan 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Jan 11, priced at $303 found 14 hours ago
Wed, Feb 18 - Sun, Feb 22
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$310 Roundtrip, found 5 days ago
$310
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Feb 18 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Feb 22, priced at $310 found 5 days ago
Tue, Jan 13 - Wed, Jan 21
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$312 Roundtrip, found 4 days ago
$312
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, Jan 13 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Jan 21, priced at $312 found 4 days ago
Thu, Feb 26 - Wed, Mar 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$317 Roundtrip, found 22 hours ago
$317
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $317 found 22 hours ago
Thu, Feb 26 - Wed, Mar 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$324 Roundtrip, found 22 hours ago
$324
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $324 found 22 hours ago
Thu, Jan 15 - Mon, Jan 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$326 Roundtrip, found 3 days ago
$326
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Jan 19, priced at $326 found 3 days ago
Thu, Feb 26 - Wed, Mar 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$332 Roundtrip, found 22 hours ago
$332
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $332 found 22 hours ago
Thu, Feb 19 - Sun, Feb 22
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$340 Roundtrip, found 5 days ago
$340
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Feb 19 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Feb 22, priced at $340 found 5 days ago
Thu, Jan 15 - Mon, Jan 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Jan 19, priced at $342 found 3 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.