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 $230 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.

Sat, Feb 28 - Wed, Mar 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $230 found 3 days ago
Sat, Feb 28 - Wed, Mar 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $235 found 3 days ago
Tue, Feb 24 - Sat, Feb 28
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Feb 24 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $302 found 1 day ago
Sat, Feb 28 - Wed, Mar 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$324 Roundtrip, found 3 days ago
$324
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $324 found 3 days ago
Thu, Feb 26 - Sun, Mar 1
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$327 Roundtrip, found 8 hours ago
$327
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Mar 1, priced at $327 found 8 hours ago
Tue, Feb 24 - Sat, Feb 28
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$332 Roundtrip, found 1 day ago
$332
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Feb 24 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $332 found 1 day ago
Tue, Feb 24 - Sat, Feb 28
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Feb 24 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $337 found 1 day ago
Sat, Feb 28 - Wed, Mar 4
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 Sat, Feb 28 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $342 found 3 days ago
Thu, Feb 26 - Sun, Mar 1
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$349 Roundtrip, found 8 hours ago
$349
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Mar 1, priced at $349 found 8 hours ago
Thu, Feb 26 - Sun, Mar 1
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$349 Roundtrip, found 8 hours ago
$349
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Mar 1, priced at $349 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.