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

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Frontier Airlines Flight 87 Route Deals From $227

The cheapest prices found with in the last 7 days for return flights were $402 and $227 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 12 - Fri, Aug 14
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$402 Roundtrip, found 3 days ago
$402
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Aug 14, priced at $402 found 3 days ago
Wed, Aug 5 - Wed, Aug 12
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$435 Roundtrip, found 4 days ago
$435
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Aug 12, priced at $435 found 4 days ago
Wed, Aug 5 - Wed, Aug 12
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$443 Roundtrip, found 4 days ago
$443
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Aug 12, priced at $443 found 4 days ago
Wed, Aug 12 - Fri, Aug 14
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$451 Roundtrip, found 3 days ago
$451
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Aug 14, priced at $451 found 3 days ago
Wed, Aug 12 - Fri, Aug 14
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$456 Roundtrip, found 3 days ago
$456
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Aug 14, priced at $456 found 3 days ago
Tue, Aug 11 - Sat, Aug 15
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$465 Roundtrip, found 2 days ago
$465
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Aug 15, priced at $465 found 2 days ago
Sat, Jul 18 - Sun, Jul 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$480 Roundtrip, found 4 days ago
$480
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jul 18 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Jul 19, priced at $480 found 4 days ago
Wed, Aug 12 - Fri, Aug 14
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$484 Roundtrip, found 3 days ago
$484
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Aug 14, priced at $484 found 3 days ago
Wed, Aug 12 - Fri, Aug 14
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$485 Roundtrip, found 3 days ago
$485
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Cancun Intl. to Lambert-St. Louis Intl., returning Fri, Aug 14, priced at $485 found 3 days ago
Wed, Aug 5 - Wed, Aug 12
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$494 Roundtrip, found 4 days ago
$494
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Aug 12, priced at $494 found 4 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.