How far is Flagstaff, AZ from San Luis, AZ?
The driving distance from Flagstaff, AZ to San Luis, AZ is about 241.5 miles (388.7 km), with a travel time of about 04h 33m by car.
- The straight-line flight distance is about 198.3 miles (319.1 km).
- For a round trip, plan for roughly 09h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MST.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 04h 33m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Maricopa County, Arizona, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Flagstaff and San Luis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Flagstaff and San Luis.
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1
Start on West Historic Route 66
153 m · 15 sec · West Historic Route 66
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2
Turn slight left onto South Milton Road
1.8 mi · 4 min · South Milton Road
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3
Continue on Arizona Veterans Highway
93.9 mi · 1 hr 35 min · Arizona Veterans Highway
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4
Continue on Phoenix–Cordes Junction Highway
5.8 mi · 6 min · Phoenix–Cordes Junction Highway
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5
Continue on Black Canyon Freeway
10.5 mi · 10 min · Black Canyon Freeway
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6
Continue on North Black Canyon Highway
3.2 mi · 3 min · North Black Canyon Highway
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7
Continue on Black Canyon Freeway
27.9 mi · 32 min · Black Canyon Freeway
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8
Continue on Maricopa Freeway
16.3 mi · 19 min · Maricopa Freeway
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9
Continue on Phoenix-Casa Grande Highway
36.8 mi · 37 min · Phoenix-Casa Grande Highway
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10
Take the exit slight right toward I 8 West: San Diego
3006 ft · 1 min
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11
Merge slight left onto Phoenix Bypass Route
3 mi · 3 min · Phoenix Bypass Route
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12
Take the exit slight right toward Trekell Road
1480 ft · 41 sec
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13
Turn left onto South Trekell Road
3024 ft · 1 min · South Trekell Road
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14
Turn right onto West Hanna Street
1 mi · 2 min · West Hanna Street
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15
Turn left onto South Chuichu Road
5.4 mi · 8 min · South Chuichu Road
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16
Continue on Indian Route 15
33.2 mi · 46 min · Indian Route 15
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17
Turn left onto Indian Route 51
1.6 km · 4 min · Indian Route 51
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18
Continue straight
857 ft · 38 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Flagstaff and San Luis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Arizona Veterans Highway
Continue on Arizona Veterans Highway
93.9 mi · 01h 35m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Flagstaff and Mostly Sunny near San Luis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Flagstaff to San Luis?
The road trip is about 241.5 miles (388.7 km) and usually takes 04h 33m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Cave Creek is a useful midpoint, sitting about 120.9 miles from Flagstaff and 120.6 miles from San Luis.
How much longer is the road route than the straight-line distance?
The direct path is about 198.3 miles (319.1 km), while the road route adds roughly 43.2 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM MST. If you want a more comfortable same-day return, try to leave by 7:54 AM MST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.18 one way or $84.37 round trip. Estimated CO2 is about 75.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Flagstaff and Mostly Sunny near San Luis.
Stop Ideas Near Cave Creek
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Cave Creek.
Phoenix (Metro Center Transit Station), Arizona
Phoenix (Airport), Arizona
Phoenix (Greyhound), Arizona
Maricopa
Flight Path Map
This map shows the direct air route between Flagstaff and San Luis. Straight-line distance: 198.27 mi (319.09 km).
#1 Flagstaff
The most populous city in Coconino County, Arizona.
| Population | 73,939 |
| Coordinates | 35.1980700, -111.6512700 |
| Altitude | 2104 |
| Country | United States |
#2 San Luis
Town in Yuma County, Arizona, United States
| Population | 36,242 |
| Coordinates | 32.3467300, -112.0409700 |
| Altitude | 547 |
| Country | United States |
End: San Luis (-112.04097, 32.34673)
Estimated Travel Time
Distance: 389 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 02m |
| 40 mph (64.37 km/h) | 06h 02m |
| 50 mph (80.47 km/h) | 04h 49m |
| 60 mph (96.56 km/h) | 04h 01m |
| 70 mph (112.65 km/h) | 03h 27m |
| 80 mph (129 km/h) | 03h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $42.18 | $84.37 |
| Mid-grade | $5.34 | $45.48 | $90.96 |
| Premium | $5.57 | $47.42 | $94.84 |
| Diesel | $6.37 | $54.24 | $108.48 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Arizona · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.