Frontier Airlines Flight 86 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 86 Route Deals From $125

The cheapest prices found with in the last 7 days for return flights were $273 and $125 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Apr 19 - Tue, Apr 28
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$273 Roundtrip, just found
$273
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Apr 19 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Apr 28, priced at $273 just found
Tue, Apr 14 - Tue, Apr 21
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$277 Roundtrip, found 3 hours ago
$277
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, Apr 14 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Apr 21, priced at $277 found 3 hours ago
Fri, Apr 3 - Tue, Apr 7
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$293 Roundtrip, found 5 hours ago
$293
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Apr 3 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Apr 7, priced at $293 found 5 hours ago
Tue, Mar 24 - Tue, Mar 31
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$299 Roundtrip, found 15 hours ago
$299
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Tue, Mar 24 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Mar 31, priced at $299 found 15 hours ago
Tue, Mar 24 - Thu, Mar 26
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$300 Roundtrip, found 14 hours ago
$300
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Mar 24 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Mar 26, priced at $300 found 14 hours ago
Tue, Apr 21 - Wed, Apr 29
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$303 Roundtrip, found 6 days ago
$303
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Apr 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Apr 29, priced at $303 found 6 days ago
Mon, May 11 - Sat, May 16
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$309 Roundtrip, found 21 hours ago
$309
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Mon, May 11 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, May 16, priced at $309 found 21 hours ago
Sat, May 9 - Fri, May 15
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$313 Roundtrip, found 1 day ago
$313
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 9 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, May 15, priced at $313 found 1 day ago
Sat, Apr 11 - Wed, Apr 15
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$315 Roundtrip, found 3 hours ago
$315
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Apr 11 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Apr 15, priced at $315 found 3 hours ago
Wed, Mar 25 - Tue, Mar 31
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$316 Roundtrip, found 1 hour ago
$316
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Mar 25 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Mar 31, priced at $316 found 1 hour ago

Frequently asked questions

What route does flight number F986 take?
F986 travels between Lambert Field and Cancun Airport directly. This service typically takes 3 hours and 17 minutes.
What terminal does F986 fly out of?
You'll likely be departing from Terminal 2 if you're traveling on flight F986 direct from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to CUN.
What kind of plane is on flight number F986?
Get set to step aboard an Airbus A320 if you've reserved a seat on flight F986. Nearly all services from Lambert-St. Louis Intl. Airport (STL) to Cancun Airport use this kind of plane.
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 F986 flight with Travelocity, please visit our Customer Service Portal.