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

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Frontier Airlines Flight 86 Route Deals From $195

The cheapest prices found with in the last 7 days for return flights were $315 and $195 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 27 - Thu, Jul 30
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$315 Roundtrip, found 3 days ago
$315
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jul 27 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Jul 30, priced at $315 found 3 days ago
Mon, Jul 27 - Thu, Jul 30
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$363 Roundtrip, found 3 days ago
$363
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jul 27 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Jul 30, priced at $363 found 3 days ago
Sat, Jul 11 - Wed, Jul 15
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$379 Roundtrip, found 4 days ago
$379
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jul 11 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Jul 15, priced at $379 found 4 days ago
Thu, Jul 9 - Wed, Jul 15
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$385 Roundtrip, found 3 days ago
$385
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, Jul 9 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Jul 15, priced at $385 found 3 days ago
Mon, Jul 27 - Thu, Jul 30
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$386 Roundtrip, found 3 days ago
$386
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jul 27 from Lambert-St. Louis Intl. to Cancun Intl., returning Thu, Jul 30, priced at $386 found 3 days ago
Wed, Jul 8 - Fri, Jul 10
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$397 Roundtrip, found 4 hours ago
$397
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, Jul 10, priced at $397 found 4 hours ago
Tue, Jul 14 - Fri, Jul 17
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$402 Roundtrip, found 3 days ago
$402
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, Jul 17, priced at $402 found 3 days ago
Tue, Jul 14 - Sat, Jul 18
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$409 Roundtrip, found 5 days ago
$409
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Jul 14 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Jul 18, priced at $409 found 5 days ago
Wed, Jul 8 - Fri, Jul 10
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$411 Roundtrip, found 4 hours ago
$411
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, Jul 10, priced at $411 found 4 hours ago
Tue, Jun 30 - Fri, Jul 10
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$412 Roundtrip, found 2 hours ago
$412
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Jun 30 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, Jul 10, priced at $412 found 2 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.