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 $333 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.
$333 Roundtrip, found 10 hours ago
$333
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $333 found 10 hours ago
Fri, May 1 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$341 Roundtrip, found 4 days ago
$341
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, May 1 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $341 found 4 days ago
Thu, Apr 23 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$343 Roundtrip, found 3 days ago
$343
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $343 found 3 days ago
Fri, May 1 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$363 Roundtrip, found 4 days ago
$363
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, May 1 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $363 found 4 days ago
Thu, May 14 - Sun, May 17
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$366 Roundtrip, found 3 hours ago
$366
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, May 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, May 17, priced at $366 found 3 hours ago
Thu, May 14 - Sun, May 17
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$368 Roundtrip, found 3 hours ago
$368
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, May 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, May 17, priced at $368 found 3 hours ago
Fri, May 1 - Mon, May 4
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 Fri, May 1 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $369 found 4 days ago
Wed, Apr 15 - Sun, Apr 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$380 Roundtrip, found 10 hours ago
$380
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $380 found 10 hours ago
Thu, Apr 23 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$386 Roundtrip, found 3 days ago
$386
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $386 found 3 days ago
Thu, Apr 23 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$390 Roundtrip, found 3 days ago
$390
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $390 found 3 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.