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

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Frontier Airlines Flight 87 Route Deals From $147

The cheapest prices found with in the last 7 days for return flights were $307 and $147 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 15 - Sun, Apr 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$307 Roundtrip, found 1 day ago
$307
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $307 found 1 day ago
Fri, Apr 10 - Tue, Apr 14
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$342 Roundtrip, found 6 days ago
$342
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Apr 10 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Apr 14, priced at $342 found 6 days ago
Sat, Apr 11 - Wed, Apr 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$348 Roundtrip, found 4 days ago
$348
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Apr 11 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Apr 15, priced at $348 found 4 days ago
Fri, Apr 10 - Tue, Apr 14
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$356 Roundtrip, found 6 days ago
$356
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Apr 10 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Apr 14, priced at $356 found 6 days ago
Thu, Apr 23 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$360 Roundtrip, found 2 days ago
$360
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $360 found 2 days ago
Thu, Apr 9 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$360 Roundtrip, found 4 days ago
$360
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Apr 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $360 found 4 days ago
Thu, Apr 23 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $364 found 2 days ago
Fri, Apr 10 - Tue, Apr 14
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$364 Roundtrip, found 6 days ago
$364
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Apr 10 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Apr 14, priced at $364 found 6 days ago
Thu, Apr 23 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$366 Roundtrip, found 2 days ago
$366
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $366 found 2 days ago
Thu, Apr 23 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$370 Roundtrip, found 2 days ago
$370
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $370 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.