Frontier Airlines Flight 86 Deals & Information (2025/2026)

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Frontier Airlines Flight 86 Route Deals From $144

The cheapest prices found with in the last 7 days for return flights were $296 and $144 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Feb 2 - Wed, Feb 11
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$296 Roundtrip, found 6 days ago
$296
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Feb 2 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Feb 11, priced at $296 found 6 days ago
Mon, Feb 16 - Thu, Feb 26
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$302 Roundtrip, found 6 days ago
$302
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Feb 16 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Feb 26, priced at $302 found 6 days ago
Sat, Jan 31 - Sat, Feb 7
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$310 Roundtrip, found 1 day ago
$310
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jan 31 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Feb 7, priced at $310 found 1 day ago
Mon, Oct 27 - Sat, Nov 1
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$312 Roundtrip, found 6 days ago
$312
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Oct 27 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Nov 1, priced at $312 found 6 days ago
Thu, Jan 22 - Thu, Jan 29
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$318 Roundtrip, found 6 days ago
$318
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Jan 29, priced at $318 found 6 days ago
Sat, Oct 25 - Wed, Oct 29
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Oct 25 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Oct 29, priced at $321 found 1 day ago
Sat, Jan 31 - Tue, Feb 3
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$322 Roundtrip, found 14 hours ago
$322
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sat, Jan 31 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Feb 3, priced at $322 found 14 hours ago
Tue, Jan 13 - Tue, Jan 27
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$325 Roundtrip, found 7 hours ago
$325
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, Jan 13 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Jan 27, priced at $325 found 7 hours ago
Wed, Nov 12 - Fri, Nov 14
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Nov 12 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, Nov 14, priced at $337 found 1 day ago
Wed, Oct 29 - Thu, Oct 30
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$338 Roundtrip, found 5 hours ago
$338
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Oct 29 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Oct 30, priced at $338 found 5 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.