Need help booking?
Unpublished phone-only deals available
FNL to TUS: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Tucson (Tucson International Airport)
664 mi
1,068 km · 577 nm
1h 55m
estimated nonstop flight time
-1h
time difference · heading southwest
See live FNL→TUS fares Phone-only fares on this route — call free
Flight time details
664 miles nonstop takes roughly 1h 55m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- TUS — Tucson International Airport · Tucson, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Near TUS
- DMA · Davis Monthan Air Force Base5 mi away
- AVW · Marana Regional Airport26 mi away
- MZJ · Pinal Airpark35 mi away
- OLS · Nogales International Airport49 mi away
Frequently asked questions
How far is FNL from TUS?
The flight distance from Fort Collins (FNL) to Tucson (TUS) is 664 miles (1,068 km, 577 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to TUS?
A nonstop flight takes about 1h 55m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Fort Collins and Tucson?
Tucson is 1 hour behind Fort Collins.
What is the cheapest way to fly from FNL to TUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–TUS that never appear on search engines, with no booking fees.