Traveling from South Tucson to Flagstaff covers 259.3 miles of the Desert Southwest, typically taking about 3 hours and 57 minutes of driving time. Because this route is manageable in a single day, you won't need to worry about overnight accommodations unless you prefer a more leisurely pace. You should budget approximately $51 for fuel to complete the trip. Your journey begins by navigating West 22nd Street and South Freeway Road before transitioning onto I-10 West. While the drive is straightforward, it functions best as a focused day trip that connects these two distinct Arizona hubs. By planning your departure strategically, you can easily navigate the transition between these desert environments without feeling rushed on the road.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
129.4 miles from South Tucson, AZ
A natural place for your longest stop of the day
, about 2h 17m into the drive
.
Step-by-step road directions between South Tucson, AZ and Flagstaff, AZ.
1
Start on US 80 Hist
0.5 mi·1 min·South 6th Avenue
2
Turn left onto West 22nd Street
0.6 mi·54 sec·West 22nd Street
3
Turn right onto South Freeway Road
363 ft·11 sec·South Freeway Road
4
Take the ramp
0.3 mi·43 sec
Toward I 10 West
5
Merge onto I 10
4.6 mi·5 min·South Freeway
Use the straight / slight right lanes.
6
Continue on I 10
3.7 mi·4 min·Casa Grande-Tucson Highway
Use the straight / slight right lanes.
7
Keep slight left at fork onto I 10
51 mi·51 min·Casa Grande-Tucson Highway
Use the straight / slight right lanes.
8
Continue on I 10
38 mi·38 min·Phoenix-Casa Grande Highway
Use the straight / slight right lanes.
9
Continue on I 10
12 mi·13 min·Maricopa Freeway
Use the straight / slight right lanes.
10
Keep slight right at fork onto US 60
4.2 mi·4 min·Maricopa Freeway
Toward I-17 North, US-60 West: FlagstaffUse the slight right lane.
11
Continue on I 17; US 60
41 mi·45 min·Black Canyon Freeway
Use the straight / slight right lanes.
12
Continue on I 17
8.9 mi·9 min·Phoenix–Cordes Junction Highway
Use the straight / slight right lanes.
13
Continue on I 17
13 mi·13 min·Arizona Veterans Highway
14
Keep slight left at fork onto I 17
77 mi·1 hr 17 min·Arizona Veterans Highway
15
Continue on I 17; AZ 89A
0.6 mi·43 sec·Prescott–Flagstaff Highway
16
Continue on I 17; AZ 89A
0.5 mi·42 sec·Arizona Veterans Highway
17
Continue on AZ 89A
1.8 mi·4 min·South Milton Road
Use the straight lane.
18
Continue on I 40 Bus; US 66 Hist
449 ft·14 sec·West Historic Route 66
19
Arrive at destination
US 180; I 40 Bus; US 66 Hist
Trip Plan
To make the most of your 259.3-mile journey, aim to depart early in the morning to beat local traffic congestion in South Tucson. Since the route includes one planned stop, use that break to refuel and stretch your legs, keeping your $51 fuel budget in mind for the entire trip. Given the turn-heavy nature of the local roads, ensure your navigation system is synced before leaving to avoid missing critical turns on West 22nd Street. Because this is a sub-four-hour drive, you have the flexibility to adjust your departure time based on your personal preference for daylight or evening travel. Always keep an eye on your fuel gauge during the initial local road segments, as stopping for gas is most efficient once you have successfully merged onto the main highway.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 129.4 miles from South Tucson, AZ, or about 2h 17m into the drive.
The longest continuous stretch on this route runs about 91.1 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 57 miles or 1h in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 129.4 miles or 2h 17m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 43m
Traffic, exits, and arrival timing usually matter more near Flagstaff, AZ than in the middle of the route.
Before You Leave
+
Open the route before leaving South Tucson, AZ so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from South Tucson, AZ
This is one driving day of about 258.7 miles and 4h 33m.
Your first comfortable stop window is around 57 miles from South Tucson, AZ.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Arizona Veterans Highway for about 91.1 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 6
5 decision points cluster between mile 0.5 and 178.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0.5 mi into trip|~1m in|West 22nd Street
Turn left onto West 22nd Street
Navigation decision point
5
1.5 mi into trip|~2m in|I 10 / South Freeway
Merge onto I 10 / South Freeway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
9.9 mi into trip|~12m in|I 10 / Casa Grande-Tucson Highway
Keep slight left at fork onto I 10 / Casa Grande-Tucson Highway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
8
110.7 mi into trip|~1h 56m in|US 60 / Maricopa Freeway
Keep slight right at fork onto US 60 / Maricopa Freeway toward I-17 North, US-60 West: Flagstaff
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I-17 North, US-60 West: Flagstaff
4
178.5 mi into trip|~3h 10m in|I 17 / Arizona Veterans Highway
Keep slight left at fork onto I 17 / Arizona Veterans Highway
Highway fork - watch signs carefully
Fuel & Cost
Regular Gas
$51.54 one way
$103.07 round trip
$5.06/gal25.4 MPG avg91 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.36
$54.54
$109.08
premium
$5.59
$56.94
$113.89
diesel
$5.61
$57.12
$114.24
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$52
Meals
$25–$50
Total
$77–$102
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 90.5 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $27 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
77.6
0
$27.16
$12.42
Efficient EV
64.7
0
$22.64
$10.35
EV Truck/SUV
103.5
1
$36.22
$16.56
Gas CO2
91 kg
EV CO2
30 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
South Tucson, AZ
Evening
in South Tucson on Saturday
Local time
7:51 PM
MST
Current temp
55°F
Unavailable
Live forecast
Destination
Flagstaff, AZ
Evening
in Flagstaff on Saturday
Local time
7:51 PM
MST
Current temp
64°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
9 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 33m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
Expect a turn-heavy experience as you navigate the local roads leading out of South Tucson. Once you merge onto I-10 West, the character of your drive shifts from technical, low-speed maneuvering to a more consistent highway pace. With 0% of the route categorized as traditional highway, you will find that the road demands your full attention, particularly during the initial segments on West 22nd Street. Because there is no extended uninterrupted stretch on the local roads, you will need to stay alert for frequent turns and directional changes. This route offers a dynamic feel behind the wheel, contrasting the busy local infrastructure with the expansive feel of the Arizona landscape as you head north.
Only 24% highway — the rest is turn-by-turn surface driving.
19 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 91.1 mi on Arizona Veterans Highway.
How Hard Is This Drive?
6/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 6 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.5 miles in near West 22nd Street.
Driving Effort6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 258.7 miles you will encounter 6 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.5 miles (West 22nd Street): Navigation decision point; at 1.5 miles (I 10 / South Freeway): Merge point - match speed before joining. Lane positioning matters here; at 9.9 miles (I 10 / Casa Grande-Tucson Highway): Highway fork - watch signs carefully. Lane positioning matters here.
Flagstaff is a city of over 75,000 people (2019) near the San Francisco Peaks mountain range of northern Arizona and the Grand Canyon. At an altitude of 6,990 ft (2,130 m), Flagstaff and much of the surrounding region are substantially cooler than the low desert that dominates the southern part of the state. Though still dry by east coast standards, enough rain and snow falls in the area to allow a forest of ponderosa pine trees to cover the landscape. Winters tend to be cold, and heavy snowfall is expected on an annual basis.
Doable as a same-day drive at 4h 33m. Total distance: 258.7 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 33m drive, comfortable solo distance.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 91.1 miles on Arizona Veterans Highway. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Flagstaff, AZ before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 0.5 miles (West 22nd Street): Navigation decision point; at 1.5 miles (I 10 / South Freeway): Merge point - match speed before joining. Lane positioning matters here; at 9.9 miles (I 10 / Casa Grande-Tucson Highway): Highway fork - watch signs carefully. Lane positioning matters here.
Possible but tiring. At 4.6 hours each way, an in-and-out day trip would put you behind the wheel for 9.1 hours — manageable with a long break at Flagstaff, AZ, but most travelers stay overnight.
