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

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Frontier Airlines Flight 86 Route Deals From $190

The cheapest prices found with in the last 7 days for return flights were $312 and $190 for one-way flights to Cancun Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 23 - Tue, Sep 30
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$312 Roundtrip, found 2 hours ago
$312
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Sep 23 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Sep 30, priced at $312 found 2 hours ago
Tue, Aug 19 - Sat, Aug 23
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$317 Roundtrip, found 6 hours ago
$317
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Tue, Aug 19 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Aug 23, priced at $317 found 6 hours ago
Mon, Aug 11 - Tue, Aug 19
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$322 Roundtrip, found 1 hour ago
$322
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Aug 11 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Aug 19, priced at $322 found 1 hour ago
Fri, Sep 26 - Tue, Sep 30
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$327 Roundtrip, found 1 hour ago
$327
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Sep 26 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Sep 30, priced at $327 found 1 hour ago
Thu, Aug 21 - Mon, Aug 25
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$332 Roundtrip, just found
$332
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 21 from Lambert-St. Louis Intl. to Cancun Intl., returning Mon, Aug 25, priced at $332 just found
Thu, Aug 14 - Wed, Aug 20
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$332 Roundtrip, found 4 hours ago
$332
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Cancun Intl., returning Wed, Aug 20, priced at $332 found 4 hours ago
Thu, Sep 4 - Mon, Sep 8
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$337 Roundtrip, found 1 hour ago
$337
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Sep 4 from Lambert-St. Louis Intl. to Cancun Intl., returning Mon, Sep 8, priced at $337 found 1 hour ago
Sat, Aug 16 - Sat, Aug 23
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$337 Roundtrip, found 5 days ago
$337
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Lambert-St. Louis Intl. to Cancun Intl., returning Sat, Aug 23, priced at $337 found 5 days ago
Thu, Aug 14 - Sun, Aug 17
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$341 Roundtrip, found 4 hours ago
$341
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Cancun Intl., returning Sun, Aug 17, priced at $341 found 4 hours ago
Wed, Aug 13 - Tue, Aug 19
STL
Lambert-St. Louis Intl.
CUN
Cancun Intl.
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Aug 13 from Lambert-St. Louis Intl. to Cancun Intl., returning Tue, Aug 19, priced at $342 found 3 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.