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

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Frontier Airlines Flight 87 Route Deals From $222

The cheapest prices found with in the last 7 days for return flights were $435 and $222 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 14 - Tue, Jul 28
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$435 Roundtrip, found 2 days ago
$435
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Jul 28, priced at $435 found 2 days ago
Tue, Jul 14 - Tue, Aug 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$443 Roundtrip, found 1 day ago
$443
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $443 found 1 day ago
Tue, Jul 7 - Sat, Jul 11
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$456 Roundtrip, found 1 day ago
$456
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 7 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Jul 11, priced at $456 found 1 day ago
Tue, Jul 7 - Sat, Jul 11
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$465 Roundtrip, found 1 day ago
$465
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 7 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Jul 11, priced at $465 found 1 day ago
Tue, Jul 7 - Sat, Jul 11
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$465 Roundtrip, found 1 day ago
$465
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 7 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Jul 11, priced at $465 found 1 day ago
Tue, Jul 14 - Tue, Jul 28
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$477 Roundtrip, found 2 days ago
$477
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Jul 28, priced at $477 found 2 days ago
Tue, Jul 14 - Tue, Aug 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$477 Roundtrip, found 1 day ago
$477
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $477 found 1 day ago
Fri, Jul 17 - Sat, Aug 1
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$486 Roundtrip, found 1 day ago
$486
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jul 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Aug 1, priced at $486 found 1 day ago
Thu, Jul 2 - Mon, Jul 6
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$486 Roundtrip, found 21 hours ago
$486
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Thu, Jul 2 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Jul 6, priced at $486 found 21 hours ago
Tue, Jul 14 - Tue, Aug 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$489 Roundtrip, found 1 day ago
$489
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $489 found 1 day 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.