Frontier Airlines Flight 6921 Deals & Information (2026/2027)

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Frontier Airlines Flight 6921 Route Deals From $201

The cheapest prices found with in the last 7 days for return flights were $307 and $201 for one-way flights to General Francisco Mujica Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 27 - Thu, Mar 5
ORD
O'Hare Intl.
MLM
General Francisco Mujica Intl.
$307 Roundtrip, just found
$307
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Feb 27 from O'Hare Intl. to General Francisco Mujica Intl., returning Thu, Mar 5, priced at $307 just found