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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Frontier Airlines Flight 87 Route Deals From $171

The cheapest prices found with in the last 7 days for return flights were $276 and $171 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 5 - Wed, May 6
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$276 Roundtrip, found 6 days ago
$276
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, May 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, May 6, priced at $276 found 6 days ago
Tue, May 5 - Wed, May 6
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$331 Roundtrip, found 6 days ago
$331
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, May 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, May 6, priced at $331 found 6 days ago
Thu, Apr 23 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$333 Roundtrip, found 2 days ago
$333
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $333 found 2 days ago
Thu, Apr 23 - Mon, May 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$365 Roundtrip, found 2 days ago
$365
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 4, priced at $365 found 2 days ago
Fri, Apr 17 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$367 Roundtrip, found 4 hours ago
$367
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $367 found 4 hours ago
Mon, Apr 13 - Sat, Apr 18
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$373 Roundtrip, found 1 day ago
$373
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Apr 18, priced at $373 found 1 day ago
Fri, Apr 17 - Sun, Apr 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$374 Roundtrip, found 5 hours ago
$374
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 19, priced at $374 found 5 hours ago
Fri, Apr 17 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$380 Roundtrip, found 4 hours ago
$380
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $380 found 4 hours ago
Fri, Apr 17 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$387 Roundtrip, found 4 hours ago
$387
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $387 found 4 hours ago
Fri, Apr 17 - Sun, Apr 26
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$387 Roundtrip, found 4 hours ago
$387
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Fri, Apr 17 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, Apr 26, priced at $387 found 4 hours 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.