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

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Frontier Airlines Flight 86 Route Deals From $130

The cheapest prices found with in the last 7 days for return flights were $279 and $130 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 20 - Wed, Jan 28
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$279 Roundtrip, found 23 hours ago
$279
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Tue, Jan 20 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Jan 28, priced at $279 found 23 hours ago
Sat, Feb 21 - Sat, Feb 28
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$280 Roundtrip, found 15 hours ago
$280
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sat, Feb 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Feb 28, priced at $280 found 15 hours ago
Tue, Jan 20 - Fri, Jan 23
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$281 Roundtrip, found 23 hours ago
$281
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Tue, Jan 20 from Lambert-St. Louis Intl. to Cancun Intl., returning Fri, Jan 23, priced at $281 found 23 hours ago
Wed, Feb 25 - Sat, Feb 28
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$285 Roundtrip, found 17 hours ago
$285
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Wed, Feb 25 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Feb 28, priced at $285 found 17 hours ago
Sun, Feb 8 - Sat, Feb 21
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$287 Roundtrip, found 1 day ago
$287
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Feb 8 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Feb 21, priced at $287 found 1 day ago
Tue, Feb 3 - Tue, Feb 10
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$289 Roundtrip, found 8 hours ago
$289
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Tue, Feb 3 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Feb 10, priced at $289 found 8 hours ago
Sat, Feb 28 - Sat, Mar 7
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$290 Roundtrip, found 16 hours ago
$290
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Mar 7, priced at $290 found 16 hours ago
Sat, Feb 28 - Wed, Mar 4
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$293 Roundtrip, found 10 hours ago
$293
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Mar 4, priced at $293 found 10 hours ago
Sat, Jan 24 - Wed, Feb 4
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$295 Roundtrip, found 20 hours ago
$295
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Jan 24 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Feb 4, priced at $295 found 20 hours ago
Sat, Feb 28 - Sat, Mar 7
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$296 Roundtrip, found 16 hours ago
$296
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Mar 7, priced at $296 found 16 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.