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

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Frontier Airlines Flight 87 Route Deals From $141

The cheapest prices found with in the last 7 days for return flights were $279 and $141 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$279 Roundtrip, found 3 days ago
$279
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $279 found 3 days ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $285 found 3 days ago
Sat, May 2 - Sat, May 9
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$295 Roundtrip, found 3 days ago
$295
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, May 2 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, May 9, priced at $295 found 3 days ago
Sat, May 16 - Wed, May 20
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$359 Roundtrip, found 19 hours ago
$359
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sat, May 16 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, May 20, priced at $359 found 19 hours ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$362 Roundtrip, found 3 days ago
$362
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $362 found 3 days ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$368 Roundtrip, found 3 days ago
$368
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $368 found 3 days ago
Fri, May 1 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$371 Roundtrip, found 13 hours ago
$371
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, May 1 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $371 found 13 hours ago
Fri, May 1 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$376 Roundtrip, found 13 hours ago
$376
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Fri, May 1 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $376 found 13 hours ago
Sat, May 9 - Fri, May 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$380 Roundtrip, found 3 days ago
$380
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, May 9 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, May 15, priced at $380 found 3 days ago
Fri, May 8 - Wed, May 13
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$387 Roundtrip, just found
$387
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 8 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, May 13, priced at $387 just found

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.