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I-90
in South Dakota Westbound

Searching: Best Unleaded Prices Clear

iExit says...

On average, unleaded prices in South Dakota are more expensive than Minnesota (by 8 cents) and cheaper than Wyoming (by 1 cents).
Lowest Average Highest
$3.089
$3.40
$3.849
Across 85 gas stations along I-90 in SD
WELCOME
CENTER
South Dakota Welcome Center
Valley Springs, South Dakota
No gas stations detected here
EXIT
410
CR 105
Valley Springs, South Dakota
No gas stations detected here
EXIT
406
S Dakota 11; Brandon; Corson
Brandon, South Dakota
6th Best Exit
Circle K
Left (S) - 0.3 miles
920 N Splitrock Blvd, Brandon, SD 57005
$3.199
2 prices within 1 mile - Avg: $3.50
EXIT
402
CR 121
Sioux Falls, South Dakota
No gas stations detected here
EXIT
400
I-229
Sioux Falls, South Dakota
No gas stations detected here
EXIT
399
S Dakota 115; Cliff Ave; I-90 BUS; Airport
Sioux Falls, South Dakota
5th Best Exit
Circle K
Left (S) - 0.18 miles
5000 N Cliff Rd, Sioux Falls, SD 57104
$3.169
4 prices within 1 mile - Avg: $3.19
EXIT
395
Marion Road
Sioux Falls, South Dakota
22nd Best Exit
BP
Left (SE) - 0.73 miles
5001 N Annika Ave 1, Sioux Falls, SD 57107
$3.399
1 prices within 1 mile - Avg: $3.40
EXIT
390
S Dakota 38; Hartford
Sioux Falls, South Dakota
No gas stations detected here
EXIT
387
Hartford
Hartford, South Dakota
4th Best Exit
Sunnyside Pump N Pak
Right (N) - 0.9 miles
201 E Sd Highway 38, Hartford, SD 57033
$3.149
2 prices within 1 mile - Avg: $3.17
EXIT
379
S Dakota 19; Humboldt; Madison
Humboldt, South Dakota
6th Best Exit
Sinclair
Right (NE) - 0.1 miles
201 N Stofferan Dr, Humboldt, SD 57035
$3.199
1 prices within 1 mile - Avg: $3.20
EXIT
374
451st Ave
Montrose, South Dakota
No gas stations detected here
EXIT
368
Canistota
Canistota, South Dakota
No gas stations detected here
EXIT
364
Salem; Yankton
Canistota, South Dakota
No gas stations detected here
REST
AREA
Salem Rest Area
Canistota, South Dakota
No gas stations detected here
EXIT
357
Bridgewater; Canova
Spencer, South Dakota
No gas stations detected here
EXIT
353
Spencer
Spencer, South Dakota
1st Best Exit
Temporarily Closed - Fuel Mart
Left (S) - 0.16 miles
25678 431st Ave, Spencer, SD 57374
$3.089
1 prices within 1 mile - Avg: $3.09
EXIT
350
SD 25
Emery, South Dakota
No gas stations detected here
EXIT
344
Fulton; Alexandria
Alexandria, South Dakota
22nd Best Exit
Sinclair
Left (S) - 0.37 miles
1150 Spruce St, Alexandria, SD 57311
$3.399
1 prices within 1 mile - Avg: $3.10
PARKING
AREA
Parking Area
Fulton, South Dakota
No gas stations detected here
EXIT
335
Riverside Rd
Fulton, South Dakota
No gas stations detected here
EXIT
332
S Dakota 37 S; I-90 Loop; Mitchell; Parkston
Mitchell, South Dakota
2nd Best Exit
M & H Stores
Right (NW) - 0.98 miles
201 W Havens Ave, Mitchell, SD 57301
$3.099
6 prices within 1 mile - Avg: $3.23
EXIT
330
S Dakota 37 N; Mitchell
Mitchell, South Dakota
2nd Best Exit
County Fair Food And Fuel
Right (NE) - 0.76 miles
1012 W Havens St, Mitchell, SD 57301
$3.099
4 prices within 1 mile - Avg: $3.25
EXIT
325
Betts Rd
Mitchell, South Dakota
No gas stations detected here
EXIT
319
397th Avenue
Mt Vernon, South Dakota
14th Best Exit
Sinclair
Right (N) - 0.92 miles
104 S Earl St, Mount Vernon, SD 57363
$3.209
1 prices within 1 mile - Avg: $3.21
EXIT
310
US-281; Aberdeen
Plankinton, South Dakota
6th Best Exit
Cenex
Left (S) - 0.18 miles
I 90-281, Plankinton, SD 57368
$3.199
1 prices within 1 mile - Avg: $3.10
EXIT
308
Plankinton
Plankinton, South Dakota
43rd Best Exit
Sinclair
Right (N) - 0.08 miles
705 S Main St, Plankinton, SD 57368
$3.799
1 prices within 1 mile - Avg: $3.80
REST
AREA
White Lake Rest Area
White Lake, South Dakota
No gas stations detected here
EXIT
296
White Lake
White Lake, South Dakota
No gas stations detected here
PARKING
AREA
Parking Area
White Lake, South Dakota
No gas stations detected here
EXIT
289
S Dakota 45 S; Platte
Kimball, South Dakota
No gas stations detected here
EXIT
284
S Dakota 45 N; Kimball
Kimball, South Dakota
6th Best Exit
Loves
Left (S) - 0.18 miles
1100 S Main St, Kimball, SD 57355
$3.199
1 prices within 1 mile - Avg: $3.20
EXIT
272
S Dakota 50; Pukwana
Pukwana, South Dakota
No gas stations detected here
EXIT
265
S Dakota 50; I-90; Chamberlain
Chamberlain, South Dakota
6th Best Exit
Speedway
Left (S) - 0.27 miles
2001 E King Avenue, Chamberlain, SD 57325
$3.199
2 prices within 1 mile - Avg: $3.32
REST
AREA
Chamberlain Rest Area
Chamberlain, South Dakota
No gas stations detected here
EXIT
263
Chamberlain
Chamberlain, South Dakota
19th Best Exit
Caseys
Right (NE) - 0.86 miles
202 E King St, Chamberlain, SD 57325
$3.299
3 prices within 1 mile - Avg: $3.47
EXIT
260
Oacoma
Oacoma, South Dakota
22nd Best Exit
Phillips 66
Right (NW) - 0.1 miles
100 East Sd-16, Oacoma, SD 57365
$3.399
2 prices within 1 mile - Avg: $3.58
EXIT
251
SD 47
Reliance, South Dakota
No gas stations detected here
EXIT
248
SD 248
Reliance, South Dakota
22nd Best Exit
Cenex
Right (N) - 0.75 miles
Intersection Of Route 47 And Route 248, Reliance, SD 57569
$3.399
>24h old
1 prices within 1 mile - Avg: $3.40
EXIT
241
Exit
Kennebec, South Dakota
No gas stations detected here
EXIT
235
S Dakota 273; Kennebec
Kennebec, South Dakota
No gas stations detected here
EXIT
226
US-183
Presho, South Dakota
22nd Best Exit
Sinclair
Right (W) - 0.25 miles
500 E Hwy 16, Presho, SD 57568
$3.399
1 prices within 1 mile - Avg: $3.40
EXIT
225
305th Ave
Presho, South Dakota
No gas stations detected here
REST
AREA
Vivian Rest Area
Presho, South Dakota
No gas stations detected here
EXIT
220
Exit
Presho, South Dakota
No gas stations detected here
EXIT
214
Vivian
Vivian, South Dakota
No gas stations detected here
EXIT
212
US-83; S Dakota 53
Vivian, South Dakota
6th Best Exit
Sinclair
Right (NW) - 0.41 miles
24022 US Hwy 83 & I-90, Vivian, SD 57576
$3.199
1 prices within 1 mile - Avg: $3.20
EXIT
208
Co Rd S10
Draper, South Dakota
No gas stations detected here
EXIT
201
Draper
Draper, South Dakota
No gas stations detected here
EXIT
192
US-83 S; I-90; White River
Murdo, South Dakota
6th Best Exit
Cenex
Right (NW) - 0.09 miles
602 5th St, Murdo, SD 57559
$3.199
2 prices within 1 mile - Avg: $3.20
EXIT
191
I 90 Business;SD 248
Murdo, South Dakota
No gas stations detected here
PARKING
AREA
Parking Area
Murdo, South Dakota
No gas stations detected here
EXIT
183
Okaton
Okaton, South Dakota
No gas stations detected here
EXIT
177
Exit
Okaton, South Dakota
No gas stations detected here
EXIT
172
Cs 2
Belvidere, South Dakota
No gas stations detected here
EXIT
170
S Dakota 63 N
Belvidere, South Dakota
No gas stations detected here
REST
AREA
Belvidere Rest Area
Belvidere, South Dakota
No gas stations detected here
EXIT
163
SD 63
Belvidere, South Dakota
39th Best Exit
Belvidere Store
Left (S) - 0.25 miles
207 Main, Belvidere, SD 57521
$3.519
1 prices within 1 mile - Avg: $3.52
EXIT
152
I 90 Business;SD 248P
Kadoka, South Dakota
15th Best Exit
Sinclair
Right (NW) - 0.11 miles
24475 S Creek Rd, Kadoka, SD 57543
$3.229
1 prices within 1 mile - Avg: $3.23
EXIT
150
S Dakota 73 S; Kadoka
Kadoka, South Dakota
41st Best Exit
Conoco
Left (SE) - 0.18 miles
501 Sd Hwy 73, Kadoka, SD 57543
$3.669
>24h old
1 prices within 1 mile - Avg: $3.67
EXIT
143
S Dakota 73 N; Philip
Kadoka, South Dakota
No gas stations detected here
SCENIC
AREA
Scenic Overlook
Kadoka, South Dakota
No gas stations detected here
EXIT
131
S Dakota 240
Kadoka, South Dakota
44th Best Exit
Conoco
Left (S) - 0.55 miles
21290 Sd Hwy 240, Philip, SD 57567
$3.849
1 prices within 1 mile - Avg: $3.85
EXIT
127
Cs 23A
Kadoka, South Dakota
No gas stations detected here
EXIT
121
Big Foot Rd
Wall, South Dakota
No gas stations detected here
EXIT
116
239th St
Wall, South Dakota
No gas stations detected here
EXIT
112
US-14 E; Philip
Wall, South Dakota
No gas stations detected here
EXIT
110
S Dakota 240; Glenn St; Wall; Badlands
Wall, South Dakota
32nd Best Exit
Des Oil
Right (NW) - 0.39 miles
216 W 7th Ave, Wall, SD 57790
$3.459
4 prices within 1 mile - Avg: $3.56
EXIT
109
W 4th Ave
Wall, South Dakota
No gas stations detected here
EXIT
107
Cedar Butte Rd
Wasta, South Dakota
No gas stations detected here
EXIT
101
Jensen Rd
Wasta, South Dakota
No gas stations detected here
REST
AREA
Wasta Rest Area
Wasta, South Dakota
No gas stations detected here
EXIT
98
Wasta; Base Line Rd
Owanka, South Dakota
6th Best Exit
24 Express
Right (NW) - 0.04 miles
51 C St, Wasta, SD 57791
$3.199
1 prices within 1 mile - Avg: $3.20
EXIT
90
173rd Ave
New Underwood, South Dakota
No gas stations detected here
EXIT
84
167th Ave
New Underwood, South Dakota
No gas stations detected here
EXIT
78
161st Ave; New Underwood
New Underwood, South Dakota
40th Best Exit
Bjs New Underwood
Left (S) - 0.54 miles
510 E Box Elder St, New Underwood, SD 57761
$3.599
1 prices within 1 mile - Avg: $3.60
PARKING
AREA
Parking Area
Box Elder, South Dakota
No gas stations detected here
EXIT
67
Box Elder; Elisworth AFB
Box Elder, South Dakota
35th Best Exit
Loves
Right (NW) - 0.08 miles
679 Reagan Ave, Box Elder, SD 57719
$3.499
1 prices within 1 mile - Avg: $3.52
EXIT
61
Mt Rushmore; Crazy Horse; S Dakota 79 S
Rapid City, South Dakota
28th Best Exit
Exxon
Right (NW) - 0.14 miles
1821 N Elk Vale Road, Rapid City, SD 57701
$3.449
4 prices within 1 mile - Avg: $3.46
EXIT
60
E North St; I-90 BUS
Rapid City, South Dakota
28th Best Exit
Circle K
Left (SW) - 0.22 miles
1846 Eglin St, Rapid City, SD 57701
$3.449
1 prices within 1 mile - Avg: $3.45
EXIT
59
La Crosse Street
Rapid City, South Dakota
21st Best Exit
Sam's Club Gasoline
Left (SE) - 0.54 miles
925 Eglin St, Rapid City, SD 57701
$3.339
5 prices within 1 mile - Avg: $3.41
EXIT
58
Haines Ave
Rapid City, South Dakota
28th Best Exit
Yesway
Right (N) - 0.07 miles
2215 N Haines Ave, Rapid City, SD 57701
$3.449
3 prices within 1 mile - Avg: $3.45
EXIT
57
I 190;US 16
Rapid City, South Dakota
No gas stations detected here
EXIT
55
Deadwood Ave
Rapid City, South Dakota
32nd Best Exit
Pilot
Left (SW) - 0.13 miles
2783 Deadwood Ave, Rapid City, SD 57702
$3.459
1 prices within 1 mile - Avg: $3.50
EXIT
52
Peaceful Pines Road; Black Hawk
Blackhawk, South Dakota
42nd Best Exit
Bjs Country Store
Left (W) - 0.28 miles
7215 N Highway 79, Black Hawk, SD 57718
$3.749
1 prices within 1 mile - Avg: $3.75
EXIT
48
Stagebarn; Canyon Rd
Blackhawk, South Dakota
35th Best Exit
The Pit Stop
Left (W) - 0.28 miles
8034 Stagestop Rd, Black Hawk, SD 57718
$3.499
>24h old
2 prices within 1 mile - Avg: $3.58
EXIT
46
Elk Creek Rd
Piedmont, South Dakota
28th Best Exit
Sinclair
Left (W) - 0.18 miles
15003 STURGIS ROAD, Piedmont, SD 57769
$3.449
1 prices within 1 mile - Avg: $3.45
EXIT
44
Bethlehem Rd
Piedmont, South Dakota
No gas stations detected here
PARKING
AREA
Tilford Rest Area
Piedmont, South Dakota
No gas stations detected here
EXIT
40
Tilford Rd
Sturgis, South Dakota
No gas stations detected here
EXIT
37
Pleasant Valley Rd
Sturgis, South Dakota
No gas stations detected here
EXIT
34
Black Hills; National Cemetery
Sturgis, South Dakota
No gas stations detected here
EXIT
32
Junction Ave; I-90 BUS
Sturgis, South Dakota
35th Best Exit
Sinclair
Left (S) - 0.14 miles
2800 Junction Ave., Sturgis, SD 57785
$3.499
3 prices within 1 mile - Avg: $3.50
EXIT
30
U.S. 14 Alternate W; South Dakota 79 N; South Dakota 34 E; Lazelle Street; Deadwood-Lead
Sturgis, South Dakota
35th Best Exit
Yesway #1193
Right (E) - 0.13 miles
2350 Lazelle St, Sturgis, SD 57785
$3.499
3 prices within 1 mile - Avg: $3.60
EXIT
23
S Dakota 34 W; Whitewood
Whitewood, South Dakota
22nd Best Exit
Sonset Station
Left (S) - 0.26 miles
1322 Laurel St, Whitewood, SD 57793
$3.399
2 prices within 1 mile - Avg: $3.40
EXIT
17
US-85 S; Deadwood-Lead
Spearfish, South Dakota
17th Best Exit
Cenex
Left (SE) - 0.21 miles
6764 E Colorado Blvd, Spearfish, SD 57783
$3.269
1 prices within 1 mile - Avg: $3.27
EXIT
14
U.S. 14A; Spearfish Canyon; B.H. National Forest; Scenic Byway
Spearfish, South Dakota
16th Best Exit
Sinclair
Right (NE) - 0.17 miles
2728 1St Ave, Spearfish, SD 57783
$3.259
2 prices within 1 mile - Avg: $3.48
EXIT
12
Jackson Blvd; Black Hills; State Univ
Spearfish, South Dakota
19th Best Exit
Loaf N Jug
Left (W) - 0.64 miles
813 N Main St, Spearfish, SD 57783
$3.299
3 prices within 1 mile - Avg: $3.32
EXIT
10
US-85 N; North Ave; Belle Fourche
Spearfish, South Dakota
18th Best Exit
Yesway
Left (SW) - 0.37 miles
396 Evans Ln, Spearfish, SD 57783
$3.279
1 prices within 1 mile - Avg: $3.28
EXIT
8
McGuigan Road
Spearfish, South Dakota
34th Best Exit
Phillips 66
Left (S) - 0.27 miles
3275 Old Bell Rd, Spearfish, SD 57783
$3.479
1 prices within 1 mile - Avg: $3.48
EXIT
2
Mc Nenny State
Spearfish, South Dakota
No gas stations detected here