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

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Frontier Airlines Flight 87 Route Deals From $226

The cheapest prices found with in the last 7 days for return flights were $497 and $226 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 18 - Mon, Feb 22
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$497 Roundtrip, found 4 days ago
$497
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Feb 18 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Feb 22, priced at $497 found 4 days ago
Tue, Nov 17 - Sun, Nov 22
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$501 Roundtrip, found 9 hours ago
$501
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Tue, Nov 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Nov 22, priced at $501 found 9 hours ago
Tue, Nov 17 - Sun, Nov 22
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$541 Roundtrip, found 9 hours ago
$541
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Tue, Nov 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Nov 22, priced at $541 found 9 hours ago
Thu, Jan 14 - Wed, Jan 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$567 Roundtrip, found 4 days ago
$567
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jan 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Jan 20, priced at $567 found 4 days ago
Tue, Nov 24 - Sun, Nov 29
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$569 Roundtrip, found 17 hours ago
$569
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Tue, Nov 24 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Nov 29, priced at $569 found 17 hours ago
Tue, Nov 17 - Sun, Nov 22
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$574 Roundtrip, found 9 hours ago
$574
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Tue, Nov 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Nov 22, priced at $574 found 9 hours ago
Sun, Nov 22 - Sun, Nov 29
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$591 Roundtrip, found 1 day ago
$591
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Nov 22 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Nov 29, priced at $591 found 1 day ago
Thu, Jan 14 - Wed, Jan 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$593 Roundtrip, found 4 days ago
$593
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jan 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Jan 20, priced at $593 found 4 days ago
Mon, Oct 26 - Fri, Oct 30
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$604 Roundtrip, found 1 day ago
$604
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Oct 26 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Oct 30, priced at $604 found 1 day ago
Thu, Oct 22 - Mon, Oct 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$611 Roundtrip, found 6 days ago
$611
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Oct 22 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Oct 26, priced at $611 found 6 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.