Frontier Airlines Flight 86 Deals & Information (2026/2027)

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Frontier Airlines Flight 86 Route Deals From $125

The cheapest prices found with in the last 7 days for return flights were $203 and $125 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 21 - Tue, Apr 28
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$203 Roundtrip, found 2 days ago
$203
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Apr 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Apr 28, priced at $203 found 2 days ago
Tue, Apr 21 - Tue, Apr 28
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Apr 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Apr 28, priced at $210 found 2 days ago
Tue, Apr 21 - Tue, Apr 28
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Apr 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Apr 28, priced at $256 found 2 days ago
Fri, Apr 24 - Tue, Apr 28
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Apr 24 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Apr 28, priced at $270 found 1 day ago
Fri, May 1 - Sun, May 3
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, May 1 from Lambert-St. Louis Intl. to Cancun Intl., returning Sun, May 3, priced at $271 found 2 days ago
Tue, Apr 21 - Fri, Apr 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Apr 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, Apr 24, priced at $273 found 1 day ago
Fri, May 8 - Sat, May 16
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, May 8 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, May 16, priced at $278 found 3 days ago
Tue, Apr 21 - Fri, Apr 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$280 Roundtrip, found 1 day ago
$280
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Apr 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, Apr 24, priced at $280 found 1 day ago
Tue, Apr 28 - Tue, May 5
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$281 Roundtrip, found 2 days ago
$281
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Apr 28 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, May 5, priced at $281 found 2 days ago
Sat, Apr 25 - Wed, Apr 29
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Apr 25 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Apr 29, priced at $282 found 1 day 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.