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

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Frontier Airlines Flight 87 Route Deals From $159

The cheapest prices found with in the last 7 days for return flights were $315 and $159 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 8 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$315 Roundtrip, found 13 hours ago
$315
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Wed, Apr 8 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $315 found 13 hours ago
Thu, Apr 23 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$333 Roundtrip, found 3 days ago
$333
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 $333 found 3 days ago
Wed, Apr 8 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$348 Roundtrip, found 13 hours ago
$348
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Wed, Apr 8 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $348 found 13 hours ago
Wed, Apr 8 - Mon, Apr 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$365 Roundtrip, found 13 hours ago
$365
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Wed, Apr 8 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $365 found 13 hours ago
Thu, Apr 23 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$365 Roundtrip, found 3 days ago
$365
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 $365 found 3 days ago
Fri, Apr 17 - Mon, Apr 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$367 Roundtrip, found 1 day ago
$367
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 20, priced at $367 found 1 day ago
Mon, Apr 13 - Sat, Apr 18
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Apr 18, priced at $373 found 2 days ago
Fri, Apr 17 - Sun, Apr 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$374 Roundtrip, found 1 day ago
$374
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $374 found 1 day ago
Fri, Apr 17 - Mon, Apr 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$380 Roundtrip, found 1 day ago
$380
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Apr 20, priced at $380 found 1 day ago
Mon, Apr 13 - Fri, Apr 17
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$386 Roundtrip, found 13 hours ago
$386
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Apr 17, priced at $386 found 13 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.