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

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Frontier Airlines Flight 86 Route Deals From $191

The cheapest prices found with in the last 7 days for return flights were $360 and $191 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 19 - Thu, Jul 31
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$360 Roundtrip, found 3 days ago
$360
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Jul 31, priced at $360 found 3 days ago
Sat, Jul 19 - Thu, Jul 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$369 Roundtrip, found 3 days ago
$369
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Jul 24, priced at $369 found 3 days ago
Sat, Jul 19 - Thu, Aug 7
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$374 Roundtrip, found 3 days ago
$374
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Aug 7, priced at $374 found 3 days ago
Thu, Nov 6 - Wed, Nov 12
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$375 Roundtrip, found 5 hours ago
$375
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Nov 12, priced at $375 found 5 hours ago
Sat, Jul 19 - Tue, Aug 5
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$379 Roundtrip, found 3 days ago
$379
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Aug 5, priced at $379 found 3 days ago
Mon, Jul 21 - Thu, Jul 31
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$379 Roundtrip, found 3 days ago
$379
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Jul 31, priced at $379 found 3 days ago
Mon, Jul 21 - Tue, Aug 5
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$380 Roundtrip, found 3 days ago
$380
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Aug 5, priced at $380 found 3 days ago
Sat, Jul 19 - Mon, Aug 4
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$384 Roundtrip, found 3 days ago
$384
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to Cancun Intl., returning Mon, Aug 4, priced at $384 found 3 days ago
Mon, Jul 21 - Thu, Jul 24
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$389 Roundtrip, found 3 days ago
$389
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Jul 24, priced at $389 found 3 days ago
Thu, Nov 13 - Mon, Nov 17
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$391 Roundtrip, found 2 days ago
$391
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Lambert-St. Louis Intl. to Cancun Intl., returning Mon, Nov 17, priced at $391 found 2 days 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.