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

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Frontier Airlines Flight 86 Route Deals From $254

The cheapest prices found with in the last 7 days for return flights were $459 and $254 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 29 - Thu, Nov 5
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$459 Roundtrip, found 5 days ago
$459
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Oct 29 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Nov 5, priced at $459 found 5 days ago
Sat, Oct 17 - Wed, Oct 21
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$462 Roundtrip, found 15 hours ago
$462
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Oct 21, priced at $462 found 15 hours ago
Sun, Sep 6 - Sun, Oct 4
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$467 Roundtrip, found 16 hours ago
$467
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sun, Sep 6 from Lambert-St. Louis Intl. to Cancun Intl., returning Sun, Oct 4, priced at $467 found 16 hours ago
Wed, Nov 11 - Tue, Nov 17
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$473 Roundtrip, found 1 day ago
$473
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Nov 11 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Nov 17, priced at $473 found 1 day ago
Sat, Oct 17 - Thu, Oct 22
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$479 Roundtrip, found 2 days ago
$479
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Oct 22, priced at $479 found 2 days ago
Sat, Oct 17 - Wed, Oct 21
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$483 Roundtrip, found 15 hours ago
$483
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Oct 21, priced at $483 found 15 hours 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.