The Best Unleaded Gas Prices along I-90 in South Dakota

iExit says...

On average, unleaded prices in South Dakota are cheaper than Wyoming (by 8 cents) and cheaper than Minnesota (by 11 cents).

Lowest	Average	Highest
$2.649	$2.87	$3.349
Across 87 gas stations along I-90 in SD

The Best

Unleaded

Mid Grade

Premium

Diesel

along

I-190

I-229

I-29

I-90

in

Washington

Idaho

Montana

Wyoming

South Dakota

Minnesota

Wisconsin

Illinois

Indiana

Ohio

Pennsylvania

New York

Massachusetts

traveling

Eastbound

Westbound

Order by: Driving
EXIT 399 South Dakota 115; Cliff Avenue; Interstate 90; Airport Sioux Falls, South Dakota 1st Best Exit Caseys Right (S) - 0.76 miles $2.649 Apr 14 7 prices within 1 mile - Avg: $2.71
EXIT 353 Spencer Spencer, South Dakota 2nd Best Exit AM Best Travel Center Right (SE) - 0.05 miles $2.689 Apr 13 1 prices within 1 mile - Avg: $2.69
EXIT 263 Chamberlain Chamberlain, South Dakota 3rd Best Exit Sinclair Left (NE) - 0.85 miles $2.699 Apr 13 2 prices within 1 mile - Avg: $2.91
EXIT 265 I 90 Business;SD 50;East King Avenue Chamberlain, South Dakota 3rd Best Exit Vets Whoa N Go Left (N) - 0.3 miles $2.699 Apr 13 3 prices within 1 mile - Avg: $3.07
EXIT 296 White Lake White Lake, South Dakota 3rd Best Exit A BAR Z CORNER Left (N) - 0.53 miles $2.699 Apr 13 1 prices within 1 mile - Avg: $2.70
EXIT 310 US-281; Aberdeen Plankinton, South Dakota 3rd Best Exit Coffee Cup Fuel Stop 4 Right (SW) - 0.07 miles $2.699 Apr 14 1 prices within 1 mile - Avg: $2.70
EXIT 330 S Dakota 37 N; Mitchell Mitchell, South Dakota 3rd Best Exit Sinclair Left (N) - 0.49 miles $2.699 Apr 13 4 prices within 1 mile - Avg: $2.72
EXIT 332 S Dakota 37 S; Mitchell; Parkston Mitchell, South Dakota 3rd Best Exit Mobil Left (NW) - 0.39 miles $2.699 Apr 13 9 prices within 1 mile - Avg: $2.80
EXIT 379 S Dakota 19; Humboldt; Madison Humboldt, South Dakota 3rd Best Exit Clark Left (NE) - 0.19 miles $2.699 Apr 13 1 prices within 1 mile - Avg: $2.70
EXIT 387 Hartford Hartford, South Dakota 3rd Best Exit BP Left (N) - 0.19 miles $2.699 Apr 13 2 prices within 1 mile - Avg: $2.70
EXIT 23 US-212 E Whitewood, South Dakota 11th Best Exit Exxon Right (S) - 0.17 miles $2.749 Apr 13 2 prices within 1 mile - Avg: $2.75
EXIT 59 La Crosse Street Rapid City, South Dakota 11th Best Exit Sam's Club Right (SE) - 0.2 miles $2.749 Apr 12 9 prices within 1 mile - Avg: $2.89
EXIT 98 Base Line Rd; Wasta Owanka, South Dakota 11th Best Exit Exxon Left (NE) - 0.21 miles $2.749 Apr 14 1 prices within 1 mile - Avg: $2.75
EXIT 226 US-183 Presho, South Dakota 11th Best Exit Sinclair Left (NW) - 0.31 miles $2.749 Apr 11 1 prices within 1 mile - Avg: $2.75
EXIT 319 397th Avenue Mt Vernon, South Dakota 11th Best Exit Sinclair Left (N) - 0.7 miles $2.749 Apr 13 1 prices within 1 mile - Avg: $2.75
EXIT 406 South Dakota 11; Corson; Brandon Brandon, South Dakota 11th Best Exit BRANDON 1ST STOP Right (S) - 0.48 miles $2.749 Apr 13 5 prices within 1 mile - Avg: $2.78
EXIT 192 US-83 S; White River Murdo, South Dakota 17th Best Exit Cenex Left (N) - 0.2 miles $2.799 Apr 13 2 prices within 1 mile - Avg: $2.81
EXIT 260 Oacoma Oacoma, South Dakota 17th Best Exit Clark Left (E) - 0.43 miles $2.799 Apr 13 2 prices within 1 mile - Avg: $2.85
EXIT 284 S Dakota 45 N; Kimball Kimball, South Dakota 17th Best Exit Conoco Left (N) - 0.14 miles $2.799 Apr 13 2 prices within 1 mile - Avg: $2.82
EXIT 395 Marion Road Sioux Falls, South Dakota 17th Best Exit BP 1940154 Right (SE) - 0.47 miles $2.799 Apr 13 1 prices within 1 mile - Avg: $2.80
EXIT 150 S Dakota 73 S; Kadoka Kadoka, South Dakota 21st Best Exit Discount Fuels Right (S) - 0.08 miles $2.829 Apr 13 2 prices within 1 mile - Avg: $2.93
EXIT 17 US-85 S; Deadwood-Lead Spearfish, South Dakota 22nd Best Exit Cenex Right (S) - 0.47 miles $2.849 Apr 13 1 prices within 1 mile - Avg: $2.85
EXIT 235 S Dakota 273; Kennebec Kennebec, South Dakota 23rd Best Exit Clark Left (N) - 0.14 miles $2.859 Apr 13 1 prices within 1 mile - Avg: $2.86
EXIT 14 U.S. 14A; Spearfish Canyon; B.H. National Forest; Scenic Byway Spearfish, South Dakota 24th Best Exit Fresh Start Spearfish Left (N) - 0.19 miles $2.869 Apr 13 2 prices within 1 mile - Avg: $3.00
EXIT 110 South Dakota 240; Glenn St; Wall; Badlands Wall, South Dakota 25th Best Exit De's Oil & Propane Left (N) - 0.22 miles $2.889 Apr 13 4 prices within 1 mile - Avg: $2.98
EXIT 10 I-90; US-85 N; North Ave; Belle Fourche Spearfish, South Dakota 26th Best Exit Valley Corner Right (W) - 0.18 miles $2.899 Apr 12 1 prices within 1 mile - Avg: $2.90
EXIT 12 Jackson Blvd; Black Hills; State Univ Spearfish, South Dakota 26th Best Exit Phillips 66 Right (W) - 0.33 miles $2.899 Apr 13 4 prices within 1 mile - Avg: $2.90
EXIT 30 U.S. 14 Alternate W; S Dakota 34 E; S Dakota 79 N; Lazelle St; Deadwood-Lead Sturgis, South Dakota 26th Best Exit Fresh Start Convenience Store Left (E) - 0.24 miles $2.899 Apr 13 3 prices within 1 mile - Avg: $2.97
EXIT 32 Junction Ave Sturgis, South Dakota 26th Best Exit Exxon Left (SE) - 0.05 miles $2.899 Apr 14 3 prices within 1 mile - Avg: $2.90
EXIT 58 Haines Ave Rapid City, South Dakota 26th Best Exit Fresh Start Convenience Left (N) - 0.09 miles $2.899 Apr 12 4 prices within 1 mile - Avg: $2.97
EXIT 60 E North St Rapid City, South Dakota 26th Best Exit Holiday Right (S) - 0.09 miles $2.899 Apr 14 1 prices within 1 mile - Avg: $2.90
EXIT 61 S Dakota 79 S; Crazy Horse; Mt Rushmore Rapid City, South Dakota 26th Best Exit COMMON CENTS #125 Left (N) - 0.21 miles $2.899 Apr 14 5 prices within 1 mile - Avg: $2.94
EXIT 63 Box Elder; Ellsworth Air Force Base Rapid City, South Dakota 26th Best Exit 4-U Stores Left (NE) - 0.06 miles $2.899 Apr 11 1 prices within 1 mile - Avg: $2.90
EXIT 67B Main Gate; Liberty Blvd; Elisworth AFB Box Elder, South Dakota 26th Best Exit LOVES TRAVEL STOP #602 Left (N) - 0.23 miles $2.899 Apr 13 1 prices within 1 mile - Avg: $2.90
EXIT 78 161st Ave; New Underwood New Underwood, South Dakota 35th Best Exit Bjs New Underwood Right (S) - 0.27 miles $2.949 Apr 12 1 prices within 1 mile - Avg: $2.95
EXIT 163 SD 63 Belvidere, South Dakota 35th Best Exit Belvidere Store Right (S) - 0.12 miles $2.949 Apr 13 1 prices within 1 mile - Avg: $2.95
EXIT 55 Deadwood Ave Rapid City, South Dakota 37th Best Exit Pilot Right (SW) - 0.05 miles $2.969 Apr 14 1 prices within 1 mile - Avg: $2.97
EXIT 46 Elk Creek Rd Piedmont, South Dakota 38th Best Exit Exxon Right (W) - 0.05 miles $3.099 Apr 13 1 prices within 1 mile - Avg: $3.10
EXIT 52 Interstate 90 Business E; Peaceful Pines Road; Black Hawk Blackhawk, South Dakota 38th Best Exit Bjs Country Store Right (W) - 0.16 miles $3.099 Apr 13 1 prices within 1 mile - Avg: $3.10
EXIT 131 S Dakota 240 Kadoka, South Dakota 38th Best Exit Conoco Right (S) - 0.21 miles $3.099 Apr 13 1 prices within 1 mile - Avg: $3.10
EXIT 8 Mc Guigan Rd; hfgg Spearfish, South Dakota 41st Best Exit Phillips 66 Left (N) - 0.19 miles $3.129 Apr 13 1 prices within 1 mile - Avg: $3.13
EXIT 48 Stagebarn; Canyon Rd Blackhawk, South Dakota 42nd Best Exit Conoco Right (SW) - 0.04 miles $3.199 Apr 12 1 prices within 1 mile - Avg: $3.20