How far is San Luis, AZ from Flagstaff, AZ?
The driving distance from San Luis, AZ to Flagstaff, AZ is about 338.2 miles (544.3 km), with a travel time of about 05h 09m by car.
- The straight-line flight distance is about 259.5 miles (417.7 km).
- For a round trip, plan for roughly 10h 18m 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 05h 09m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between San Luis and Flagstaff.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Luis and Flagstaff.
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1
Start on Urtuzuastegui Street
6 m · 1 sec · Urtuzuastegui Street
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2
Enter the roundabout and take exit 1 toward Main Street
2 m · 1 sec · Main Street
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3
Exit the roundabout onto Main Street
1254 ft · 27 sec · Main Street
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4
Turn right onto East C Street
1312 ft · 42 sec · East C Street
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5
Turn left onto 4th Avenue
1371 ft · 31 sec · 4th Avenue
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6
Turn right onto East Cesar Chavez Boulevard
4.5 mi · 7 min · East Cesar Chavez Boulevard
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7
Continue on Robert A. Vaughan Expressway
20.9 mi · 24 min · Robert A. Vaughan Expressway
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8
Continue on South Araby Road
2412 ft · 31 sec · South Araby Road
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9
Enter the roundabout and take exit 2 toward Robert A. Vaughan Expressway
34 m · 2 sec
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10
Exit the rotary
2212 ft · 54 sec
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11
Merge slight left onto Blue Star Memorial Highway
106.2 mi · 1 hr 50 min · Blue Star Memorial Highway
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12
Take the exit slight right toward 85: Phoenix, Ajo
1190 ft · 29 sec
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13
Continue on East Pima Street
3.3 mi · 6 min · East Pima Street
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14
Continue on Gila Bend-Buckeye Highway
1.1 km · 2 min · Gila Bend-Buckeye Highway
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15
Turn left onto Gila Bend-Buckeye Highway
1548 ft · 44 sec · Gila Bend-Buckeye Highway
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16
Continue on Arizona State Highway 85
28.1 mi · 33 min · Arizona State Highway 85
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17
Continue on Gila Bend-Buckeye Highway
1.6 km · 2 min · Gila Bend-Buckeye Highway
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18
Continue on South Oglesby Road
3.7 mi · 5 min · South Oglesby Road
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19
Keep slight right to continue on I 10 East: Phoenix
1.1 km · 2 min
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20
Merge slight left onto Pearl Harbor Memorial Highway
10.4 mi · 11 min · Pearl Harbor Memorial Highway
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21
Take the exit slight right toward AZ 303 Loop North
1.7 mi · 3 min
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22
Merge slight left onto Bob Stump Memorial Parkway
34.2 mi · 40 min · Bob Stump Memorial Parkway
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23
Take the exit slight left toward I 17 North: Flagstaff
1.4 km · 1 min
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24
Keep slight left to continue on I 17 North: Flagstaff
1270 ft · 17 sec
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25
Merge slight left onto Black Canyon Freeway
16.4 mi · 17 min · Black Canyon Freeway
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26
Continue on Phoenix–Cordes Junction Highway
8.9 mi · 10 min · Phoenix–Cordes Junction Highway
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27
Continue on Arizona Veterans Highway
13.4 mi · 14 min · Arizona Veterans Highway
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28
Keep slight left to continue on Arizona Veterans Highway
77.3 mi · 1 hr 18 min · Arizona Veterans Highway
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29
Continue on Prescott–Flagstaff Highway
1 km · 44 sec · Prescott–Flagstaff Highway
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30
Continue on Arizona Veterans Highway
2638 ft · 42 sec · Arizona Veterans Highway
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31
Continue on South Milton Road
1.8 mi · 5 min · South Milton Road
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32
Continue on West Historic Route 66
137 m · 14 sec · West Historic Route 66
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33
Arrive at your destination
0 m · 1 sec · West Historic Route 66
Car Route Details
A richer read on the saved driving route between San Luis and Flagstaff.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Blue Star Memorial Highway
Merge slight left onto Blue Star Memorial Highway
106 mi · 01h 50m
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.
Sunny leaving San Luis and Sunny near Flagstaff.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Luis to Flagstaff?
The road trip is about 338.2 miles (544.3 km) and usually takes 05h 09m 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?
Buckeye is a useful midpoint, sitting about 168.9 miles from San Luis and 169.4 miles from Flagstaff.
How much longer is the road route than the straight-line distance?
The direct path is about 259.5 miles (417.7 km), while the road route adds roughly 78.7 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 6:42 AM MST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $59.11 one way or $118.23 round trip. Estimated CO2 is about 106.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around San Luis and Sunny near Flagstaff.
Stop Ideas Near Buckeye
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Arizona Department of Economic Security
City of Goodyear Fleet Services
City of Buckeye, City Hall
City of Buckeye GIS
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Buckeye.
Phoenix (Metro Center Transit Station), Arizona
Phoenix (Greyhound), Arizona
Phoenix (Airport), Arizona
Maricopa
Flight Path Map
This map shows the direct air route between San Luis and Flagstaff. Straight-line distance: 259.53 mi (417.67 km).
#1 San Luis
Town in Yuma County, Arizona, United States
| Population | 31,520 |
| Coordinates | 32.4870000, -114.7821800 |
| Altitude | 40 |
| Country | United States |
#2 Flagstaff
The most populous city in Coconino County, Arizona.
| Population | 73,939 |
| Coordinates | 35.1980700, -111.6512700 |
| Altitude | 2104 |
| Country | United States |
End: East Historic Route 66 (-111.651222, 35.198174)
Estimated Travel Time
Distance: 544 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 16m |
| 40 mph (64.37 km/h) | 08h 27m |
| 50 mph (80.47 km/h) | 06h 45m |
| 60 mph (96.56 km/h) | 05h 38m |
| 70 mph (112.65 km/h) | 04h 49m |
| 80 mph (129 km/h) | 04h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $59.11 | $118.23 |
| Mid-grade | $5.34 | $63.74 | $127.47 |
| Premium | $5.57 | $66.46 | $132.92 |
| Diesel | $6.37 | $76.01 | $152.02 |
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 · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.