Fontana
Fontana
Flagstaff
Flagstaff
Flight Driving

Fontana to Flagstaff

Updated: 28 May 2026

The journey from Fontana to Flagstaff covers approximately 400 miles. Driving is the most popular and convenient option, following I-15 and I-40 through the Mojave Desert and into the high-altitude forests of Northern Arizona. Flying is also possible, connecting through Phoenix. Flagstaff is a gateway to the Grand Canyon and offers a unique mountain climate in the heart of the Southwest.

Total Distance: 650 km driving distance; 550 km straight-line air distance.
Fastest Way
Flight from Ontario (ONT) to Flagstaff (FLG) takes about 3 hours.
Cheapest Way
Driving is the most cost-effective for groups.
Compare Fontana to Flagstaff Routes
Flight
Connecting
Driving
Direct
Duration 3 hours 6 hours
Avg Price $200-$400 $100-$200
Operator American Airlines Personal Vehicle
Route ONT to FLG via PHX. I-15 N to I-40 E.
Tip The flight from PHX to FLG is very short. The drive is straightforward and scenic.
Travel Tips
  • Airport Transit
    Flagstaff airport is small; use a ride-share to get to downtown.
  • Dining
    Try the local craft beer scene; Flagstaff has many excellent breweries.
  • Weather
    Flagstaff is at a high altitude; be prepared for cold nights even in summer.
  • Navigation
    I-40 is well-maintained; watch for elk crossing the road at night.
  • Packing
    Bring layers, as temperatures can change rapidly.
Safety Tips
  • Road Safety
    Watch for snow and ice on I-40 during winter months.
  • Urban Safety
    Flagstaff is very safe, but use standard precautions at night.
  • Vehicle Prep
    Check your brakes before driving through the mountain passes.
  • Emergency Kit
    Carry extra water and blankets in your vehicle.
People Also Ask
  • Is there a direct flight?
    No, most flights require a connection in Phoenix.
  • How long is the drive?
    Approximately 6 hours of driving time.
  • What is the best route?
    I-15 to I-40 is the most direct path.
  • Are there trains?
    Amtrak's Southwest Chief stops in Flagstaff.
  • Is Flagstaff walkable?
    The downtown area is very walkable.
Quick Info
  • From Fontana, California, United States
  • To Flagstaff, Arizona, United States
  • Modes
Best Time to Travel

Summer for hiking and winter for skiing at Snowbowl.

Things to Do in Flagstaff
1
Grand Canyon National Park
Located just 80 miles from Flagstaff, it is one of the world's natural wonders.
2
Lowell Observatory
A historic observatory where Pluto was discovered. It offers great stargazing programs.
3
Flagstaff Arboretum
A beautiful botanical garden showcasing the flora of the high desert.
4
Downtown Flagstaff
A charming area with historic buildings, local breweries, and unique shops.
Tags
Fontana to Flagstaff flights to Flagstaff driving to Arizona I-40 route Flagstaff travel guide California to Arizona best way to travel Inland Empire travel