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

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Frontier Airlines Flight 87 Route Deals From $153

The cheapest prices found with in the last 7 days for return flights were $243 and $153 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 22 - Mon, Jan 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Jan 26, priced at $243 found 1 day ago
Wed, Jan 21 - Wed, Feb 18
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$296 Roundtrip, found 4 days ago
$296
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Jan 21 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Feb 18, priced at $296 found 4 days ago
Thu, Mar 5 - Mon, Mar 9
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$325 Roundtrip, found 6 days ago
$325
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Mar 9, priced at $325 found 6 days ago
Thu, Jan 22 - Mon, Jan 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Jan 26, priced at $339 found 1 day ago
Thu, Mar 5 - Mon, Mar 9
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$345 Roundtrip, found 6 days ago
$345
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Mar 9, priced at $345 found 6 days ago
Thu, Mar 5 - Mon, Mar 9
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$350 Roundtrip, found 6 days ago
$350
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Mar 9, priced at $350 found 6 days ago
Thu, Jan 22 - Mon, Jan 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Jan 26, priced at $363 found 1 day ago
Thu, Mar 5 - Mon, Mar 9
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$370 Roundtrip, found 6 days ago
$370
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Mar 9, priced at $370 found 6 days ago
Fri, Jan 16 - Tue, Jan 20
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 Fri, Jan 16 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Jan 20, priced at $370 found 2 days ago
Thu, Jan 15 - Sun, Jan 18
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$384 Roundtrip, found 6 days ago
$384
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Jan 18, priced at $384 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.