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

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Frontier Airlines Flight 87 Route Deals From $131

The cheapest prices found with in the last 7 days for return flights were $224 and $131 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 28 - Tue, Mar 3
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$224 Roundtrip, found 5 days ago
$224
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Mar 3, priced at $224 found 5 days ago
Wed, Mar 4 - Tue, Mar 10
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$265 Roundtrip, found 2 days ago
$265
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Mar 4 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Mar 10, priced at $265 found 2 days ago
Thu, Mar 5 - Sun, Mar 8
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Mar 8, priced at $297 found 2 days ago
Mon, Mar 16 - Fri, Mar 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Mar 16 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Mar 20, priced at $303 found 2 days ago
Thu, Mar 5 - Sun, Mar 8
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Mar 8, priced at $308 found 2 days ago
Mon, Mar 16 - Fri, Mar 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Mar 16 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Mar 20, priced at $329 found 2 days ago
Sat, Feb 28 - Tue, Mar 3
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$335 Roundtrip, found 5 days ago
$335
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, Mar 3, priced at $335 found 5 days ago
Fri, Feb 20 - Mon, Feb 23
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$336 Roundtrip, found 4 days ago
$336
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Feb 20 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $336 found 4 days ago
Fri, Feb 20 - Mon, Feb 23
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Feb 20 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $339 found 4 days ago
Sun, May 3 - Thu, May 7
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 Sun, May 3 from Cancun Intl. to Lambert-St. Louis Intl., returning Thu, May 7, priced at $343 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.