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 $406 and $213 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 17 - Sat, Oct 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$406 Roundtrip, found 21 hours ago
$406
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Oct 24, priced at $406 found 21 hours ago
Sat, Oct 17 - Sat, Oct 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$447 Roundtrip, found 21 hours ago
$447
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Oct 24, priced at $447 found 21 hours ago
Wed, Sep 16 - Wed, Sep 23
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$451 Roundtrip, found 3 days ago
$451
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 16 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Sep 23, priced at $451 found 3 days ago
Wed, Oct 21 - Mon, Oct 26
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$455 Roundtrip, found 8 hours ago
$455
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Mon, Oct 26, priced at $455 found 8 hours ago
Wed, Oct 21 - Mon, Oct 26
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$457 Roundtrip, found 8 hours ago
$457
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Mon, Oct 26, priced at $457 found 8 hours ago
Fri, Sep 4 - Wed, Sep 9
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$467 Roundtrip, found 3 days ago
$467
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Sep 4 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Sep 9, priced at $467 found 3 days ago
Fri, Sep 4 - Wed, Sep 9
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$472 Roundtrip, found 3 days ago
$472
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Sep 4 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Sep 9, priced at $472 found 3 days ago
Wed, Sep 9 - Tue, Sep 15
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$473 Roundtrip, found 3 hours ago
$473
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Sep 15, priced at $473 found 3 hours ago
Fri, Oct 16 - Mon, Oct 19
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$473 Roundtrip, found 3 hours ago
$473
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Oct 16 from Lambert-St. Louis Intl. to Cancun Intl., returning Mon, Oct 19, priced at $473 found 3 hours ago
Fri, Sep 18 - Thu, Sep 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$476 Roundtrip, found 1 day ago
$476
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Sep 18 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Sep 24, priced at $476 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.