Frontier Airlines Flight 6921 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Frontier Airlines Flight 6921 Route Deals From $201

The cheapest prices found with in the last 7 days for return flights were $370 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.

Wed, Feb 25 - Thu, Mar 5
ORD
O'Hare Intl.
MLM
General Francisco Mujica Intl.
$370 Roundtrip, found 1 hour ago
$370
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Feb 25 from O'Hare Intl. to General Francisco Mujica Intl., returning Thu, Mar 5, priced at $370 found 1 hour ago
Mon, Mar 9 - Thu, Mar 12
ORD
O'Hare Intl.
MLM
General Francisco Mujica Intl.
$371 Roundtrip, found 3 hours ago
$371
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Mar 9 from O'Hare Intl. to General Francisco Mujica Intl., returning Thu, Mar 12, priced at $371 found 3 hours ago