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 $187

The cheapest prices found with in the last 7 days for return flights were $208 and $187 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 12 - Tue, May 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$208 Roundtrip, found 2 days ago
$208
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, May 12 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, May 19, priced at $208 found 2 days ago
Wed, May 13 - Mon, May 18
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$246 Roundtrip, found 2 days ago
$246
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 13 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 18, priced at $246 found 2 days ago
Wed, May 13 - Mon, May 18
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 13 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 18, priced at $250 found 2 days ago
Fri, Feb 27 - Sat, Feb 28
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$264 Roundtrip, found 6 days ago
$264
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Feb 27 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $264 found 6 days ago
Wed, May 13 - Mon, May 18
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$293 Roundtrip, found 2 days ago
$293
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 13 from Cancun Intl. to Lambert-St. Louis Intl., returning Mon, May 18, priced at $293 found 2 days ago
Sat, Feb 28 - Wed, Mar 4
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Cancun Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $298 found 1 day ago
Tue, May 12 - Sun, May 17
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$302 Roundtrip, found 3 days ago
$302
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, May 12 from Cancun Intl. to Lambert-St. Louis Intl., returning Sun, May 17, priced at $302 found 3 days ago
Fri, Feb 27 - Sat, Feb 28
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Feb 27 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $304 found 6 days ago
Tue, May 12 - Tue, May 19
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$322 Roundtrip, found 2 days ago
$322
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, May 12 from Cancun Intl. to Lambert-St. Louis Intl., returning Tue, May 19, priced at $322 found 2 days ago
Thu, Mar 5 - Sat, Mar 7
CUN
Cancun Intl.
STL
Lambert-St. Louis Intl.
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Mar 5 from Cancun Intl. to Lambert-St. Louis Intl., returning Sat, Mar 7, priced at $327 found 1 day 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.