How far is Flagstaff, AZ from San Luis, AZ?
The driving distance from Flagstaff, AZ to San Luis, AZ is about 337.3 miles (542.8 km), with a travel time of about 06h 10m by car.
- The straight-line flight distance is about 259.5 miles (417.7 km).
- For a round trip, plan for roughly 12h 20m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 10m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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
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
3.4 mi · 4 min · Black Canyon Freeway
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8
Take the exit slight right toward AZ 303 Loop South
2524 ft · 38 sec
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9
Turn right
3181 ft · 1 min
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10
Take the exit slight right
1 km · 46 sec
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11
Continue straight
125 m · 7 sec
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12
Keep slight left
1628 ft · 21 sec
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13
Merge slight left onto Bob Stump Memorial Parkway
948 ft · 12 sec · Bob Stump Memorial Parkway
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14
Take the exit slight right
1.1 km · 48 sec
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15
Continue straight
1459 ft · 19 sec
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16
Merge slight left onto Bob Stump Memorial Parkway
32 mi · 37 min · Bob Stump Memorial Parkway
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17
Take the exit slight right toward I 10 West: Los Angeles
1 mi · 2 min
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18
Merge slight left onto Pearl Harbor Memorial Highway
10.5 mi · 11 min · Pearl Harbor Memorial Highway
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19
Take the exit slight right toward AZ 85: Yuma, San Diego
1.1 mi · 2 min
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20
Continue on South Oglesby Road
3.6 mi · 5 min · South Oglesby Road
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21
Continue on Gila Bend-Buckeye Highway
1.6 km · 2 min · Gila Bend-Buckeye Highway
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22
Continue on Arizona State Highway 85
28.1 mi · 33 min · Arizona State Highway 85
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23
Take the exit slight right toward AZ-85 South: Gila Bend
3011 ft · 1 min · Gila Bend-Buckeye Highway
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24
Continue on Arizona State Highway 85
1775 ft · 43 sec · Arizona State Highway 85
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25
Continue on East Pima Street
2.4 mi · 5 min · East Pima Street
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26
Take the exit slight right toward I 8 West: San Diego
1.1 km · 2 min
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27
Merge slight left onto Blue Star Memorial Highway
106.8 mi · 1 hr 49 min · Blue Star Memorial Highway
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28
Take the exit slight right toward AZ 195: Araby Road, San Luis
1661 ft · 41 sec
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29
Keep slight left to continue on AZ 195: Araby Road, San Luis
81 m · 8 sec
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30
Enter the roundabout and take exit 3 toward South Araby Road
82 m · 4 sec · South Araby Road
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31
Exit the roundabout onto South Araby Road
723 ft · 9 sec · South Araby Road
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32
Enter the roundabout and take exit 2 toward Robert A. Vaughan Expressway
57 m · 3 sec · South Araby Road
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33
Exit the rotary onto South Araby Road
2417 ft · 33 sec · South Araby Road
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34
Continue on Robert A. Vaughan Expressway
20.9 mi · 24 min · Robert A. Vaughan Expressway
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35
Continue on East Cesar Chavez Boulevard
4.5 mi · 7 min · East Cesar Chavez Boulevard
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36
Turn left onto 4th Avenue
2637 ft · 55 sec · 4th Avenue
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37
At the end of the road, turn right onto Urtuzuastegui Street
1286 ft · 38 sec · Urtuzuastegui Street
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38
Arrive at your destination
0 m · 1 sec · Urtuzuastegui Street
Car Route Details
A richer read on the saved driving route between Flagstaff and San Luis.
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
107 mi · 01h 49m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Flagstaff and 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 337.3 miles (542.8 km) and usually takes 06h 10m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Buckeye is a useful midpoint, sitting about 168.6 miles from Flagstaff and 168.6 miles from San Luis.
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 77.8 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 7:30 AM MST. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $58.92 one way or $117.83 round trip. Estimated CO2 is about 105.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Flagstaff and Sunny near San Luis.
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 Flagstaff and San Luis. Straight-line distance: 259.53 mi (417.67 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 | 31,520 |
| Coordinates | 32.4870000, -114.7821800 |
| Altitude | 40 |
| Country | United States |
End: San Luis (-114.78218, 32.487)
Estimated Travel Time
Distance: 543 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 14m |
| 40 mph (64.37 km/h) | 08h 25m |
| 50 mph (80.47 km/h) | 06h 44m |
| 60 mph (96.56 km/h) | 05h 37m |
| 70 mph (112.65 km/h) | 04h 49m |
| 80 mph (129 km/h) | 04h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $58.92 | $117.83 |
| Mid-grade | $5.34 | $63.52 | $127.04 |
| Premium | $5.57 | $66.24 | $132.47 |
| Diesel | $6.37 | $75.76 | $151.51 |
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.