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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Frontier Airlines Flight 87 Route Deals From $198

The cheapest prices found with in the last 7 days for return flights were $351 and $198 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 18 - Thu, Sep 25
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$351 Roundtrip, found 4 days ago
$351
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Cancun Intl. to Lambert-St. Louis Intl., returning Thu, Sep 25, priced at $351 found 4 days ago
Thu, Sep 18 - Thu, Sep 25
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$369 Roundtrip, found 4 days ago
$369
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Cancun Intl. to Lambert-St. Louis Intl., returning Thu, Sep 25, priced at $369 found 4 days ago
Thu, Jun 26 - Fri, Jul 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$371 Roundtrip, found 19 hours ago
$371
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Jun 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $371 found 19 hours ago
Thu, Jun 26 - Fri, Jul 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$398 Roundtrip, found 19 hours ago
$398
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Jun 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $398 found 19 hours ago
Mon, Oct 20 - Sat, Oct 25
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$398 Roundtrip, found 3 days ago
$398
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Oct 20 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Oct 25, priced at $398 found 3 days ago
Thu, Jul 3 - Sun, Jul 6
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$401 Roundtrip, found 4 days ago
$401
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jul 3 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Jul 6, priced at $401 found 4 days ago
Thu, Jul 24 - Tue, Jul 29
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$401 Roundtrip, found 2 days ago
$401
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Jul 24 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Jul 29, priced at $401 found 2 days ago
Thu, Jul 24 - Tue, Jul 29
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$405 Roundtrip, found 2 days ago
$405
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Jul 24 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Jul 29, priced at $405 found 2 days ago
Thu, Sep 18 - Thu, Sep 25
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$427 Roundtrip, found 4 days ago
$427
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Cancun Intl. to Lambert-St. Louis Intl., returning Thu, Sep 25, priced at $427 found 4 days ago
Wed, Jul 30 - Sun, Aug 3
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$431 Roundtrip, found 2 days ago
$431
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Jul 30 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $431 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.