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 $178

The cheapest prices found with in the last 7 days for return flights were $406 and $178 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 5 hours ago
$406
Roundtrip
found 5 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 5 hours ago
Sat, Oct 17 - Sat, Oct 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$447 Roundtrip, found 5 hours ago
$447
Roundtrip
found 5 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 5 hours ago
Wed, Sep 16 - Wed, Sep 23
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$451 Roundtrip, found 2 days ago
$451
Roundtrip
found 2 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 2 days ago
Wed, Sep 23 - Thu, Oct 1
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$456 Roundtrip, found 14 hours ago
$456
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, Sep 23 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Oct 1, priced at $456 found 14 hours ago
Fri, Sep 4 - Wed, Sep 9
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$467 Roundtrip, found 2 days ago
$467
Roundtrip
found 2 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 2 days ago
Fri, Sep 4 - Wed, Sep 9
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$472 Roundtrip, found 2 days ago
$472
Roundtrip
found 2 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 2 days ago
Fri, Sep 18 - Thu, Sep 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$476 Roundtrip, found 9 hours ago
$476
Roundtrip
found 9 hours 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 9 hours ago
Wed, Sep 16 - Wed, Sep 23
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$487 Roundtrip, found 2 days ago
$487
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Sep 16 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Sep 23, priced at $487 found 2 days ago
Fri, Sep 25 - Thu, Oct 1
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$489 Roundtrip, found 14 hours ago
$489
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Fri, Sep 25 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Oct 1, priced at $489 found 14 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.