Frontier Airlines Route Map 2026
America's greenest airline — ultra-low fares, everywhere. Explore 115 destinations across 6 countries — filter by hub and click any destination to compare fares.
Click a hub or hub button to filter routes. Search destinations above. Click any dot to compare fares.
6
Countries
115
Destinations
130
Fleet Size
N/A
Annual Passengers
Founded
0
IATA Code
F9
Alliance
none
Hubs
DEN
Hub Airports
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Plan the Trip Beyond the Route Map
Use these planning hubs to turn route discovery into a booked trip, smoother airport transfer, or better stopover.
Flight Search
Compare routes and fares across the network.
Price Alerts
Track deals on popular airline routes.
Airport Guides
Find transport, terminal and city-transfer help.
Layover Guides
Plan stopovers and short transits more confidently.
Visa Guides
Check entry rules before you book multi-country trips.
Visa Checker
Quick passport-to-destination visa lookup.
Destination Guides
Move from route discovery into trip planning.
Frontier Airlines Route Map — FAQs
What are Frontier Airlines's main hub airports?+
Frontier Airlines's main hub is Denver Int'l (DEN) in Denver.
How many destinations does Frontier Airlines fly to?+
Frontier Airlines flies to 115 destinations across 6 countries. The network spans domestic, regional, and international markets across the airline's core operating regions.
What is Frontier Airlines's busiest route?+
One of Frontier Airlines's busiest routes is Denver to Las Vegas (DEN–LAS), operated 4× daily.
Is Frontier Airlines part of an airline alliance?+
Frontier Airlines is a member of none, giving passengers access to interline agreements and codeshare partnerships with member airlines worldwide.