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

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 $140

The cheapest prices found with in the last 7 days for return flights were $264 and $140 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 1 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$264 Roundtrip, found 6 days ago
$264
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, May 1 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $264 found 6 days ago
Fri, May 1 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$271 Roundtrip, found 6 days ago
$271
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, May 1 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $271 found 6 days ago
Sat, May 16 - Wed, May 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$278 Roundtrip, found 8 hours ago
$278
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, May 16 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, May 20, priced at $278 found 8 hours ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $279 found 1 day ago
Tue, May 5 - Fri, May 8
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$282 Roundtrip, found 5 days ago
$282
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, May 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 8, priced at $282 found 5 days ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $285 found 1 day ago
Thu, May 21 - Mon, May 25
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$285 Roundtrip, found 4 days ago
$285
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, May 21 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 25, priced at $285 found 4 days ago
Sat, May 2 - Sat, May 9
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$295 Roundtrip, found 23 hours ago
$295
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sat, May 2 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $295 found 23 hours ago
Sat, May 16 - Wed, May 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$328 Roundtrip, found 8 hours ago
$328
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, May 16 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, May 20, priced at $328 found 8 hours ago
Tue, May 5 - Fri, May 8
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$342 Roundtrip, found 5 days ago
$342
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, May 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 8, priced at $342 found 5 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.