Frontier Airlines Flight F987 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 $144

The cheapest prices found with in the last 7 days for return flights were $261 and $144 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 6 - Mon, Oct 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 2 hours ago
$261
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Oct 6 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Oct 13, priced at $261 found 2 hours ago
Thu, Oct 23 - Tue, Nov 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$264 Roundtrip, found 9 hours ago
$264
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Nov 4, priced at $264 found 9 hours ago
Thu, Oct 23 - Mon, Nov 3
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$305 Roundtrip, found 9 hours ago
$305
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Nov 3, priced at $305 found 9 hours ago
Sun, Oct 26 - Tue, Nov 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$310 Roundtrip, found 9 hours ago
$310
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Nov 4, priced at $310 found 9 hours ago
Fri, Oct 3 - Mon, Oct 6
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$320 Roundtrip, found 4 days ago
$320
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $320 found 4 days ago
Wed, Oct 22 - Tue, Nov 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$326 Roundtrip, found 9 hours ago
$326
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Wed, Oct 22 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Nov 4, priced at $326 found 9 hours ago
Thu, Oct 23 - Thu, Nov 6
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$331 Roundtrip, found 9 hours ago
$331
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Thu, Nov 6, priced at $331 found 9 hours ago
Mon, Sep 29 - Fri, Oct 3
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$340 Roundtrip, found 2 days ago
$340
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Sep 29 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Oct 3, priced at $340 found 2 days ago
Thu, Nov 6 - Mon, Nov 10
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$341 Roundtrip, found 5 days ago
$341
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Nov 10, priced at $341 found 5 days ago
Sun, Oct 26 - Mon, Nov 3
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$350 Roundtrip, found 9 hours ago
$350
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Nov 3, priced at $350 found 9 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.