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

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Frontier Airlines Flight 86 Route Deals From $213

The cheapest prices found with in the last 7 days for return flights were $467 and $213 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Sep 6 - Sun, Oct 4
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$467 Roundtrip, found 1 day ago
$467
Roundtrip
found 1 day 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 1 day ago
Sat, Oct 17 - Wed, Oct 21
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$471 Roundtrip, found 1 day ago
$471
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Oct 21, priced at $471 found 1 day ago
Sat, Nov 14 - Wed, Nov 18
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$478 Roundtrip, found 1 day ago
$478
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Nov 14 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Nov 18, priced at $478 found 1 day ago
Fri, Nov 6 - Tue, Nov 10
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$483 Roundtrip, found 8 hours ago
$483
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Nov 6 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Nov 10, priced at $483 found 8 hours ago
Sun, Sep 6 - Sun, Oct 4
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$484 Roundtrip, found 1 day ago
$484
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Sep 6 from Lambert-St. Louis Intl. to Cancun Intl., returning Sun, Oct 4, priced at $484 found 1 day ago
Fri, Oct 16 - Mon, Oct 19
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$490 Roundtrip, found 23 hours ago
$490
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Fri, Oct 16 from Lambert-St. Louis Intl. to Cancun Intl., returning Mon, Oct 19, priced at $490 found 23 hours ago
Fri, Sep 18 - Wed, Sep 23
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$499 Roundtrip, found 7 hours ago
$499
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Fri, Sep 18 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Sep 23, priced at $499 found 7 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.