The Best Unleaded Gas Prices from Billings, MT to Casper, WY

Best Exit

Average Price

Highest

Entire Trip

Avg: $3.36

High: $3.91

Exxon

Exit 188B Casper, WY

$2.889

$3.36

$3.909

Montana

Avg: $3.59

High: $4.02

Cenex

Exit 495 Hardin, MT

$3.499

$3.59

$4.019

Wyoming

Avg: $3.38

High: $4.30

Exxon

Exit 188B Casper, WY

$2.889

$3.38

$4.299

Show Breakdown By State

Only searching fuel stations along supported Interstates, which make up 98.5% (271.4 of 275.5 miles) of this trip.

Order by: Ranking
90 I-90 Eastbound
EXIT 452 US-87 N; Lockwood; Roundup Billings, Montana 10th Best Exit Conoco Left (W) - 0.3 miles 1030 Hwy 87 E, Billings, MT 59101 $3.579 3 prices within 1 mile - Avg: $3.59
EXIT 455 Johnson Ln Billings, Montana 10th Best Exit Exxon Right (SE) - 0.08 miles 2816 Old Hardin Rd, Billings, MT 59101-6839 $3.579 3 prices within 1 mile - Avg: $3.58
EXIT 456 I 94 Billings, Montana No gas stations detected here
EXIT 462 Pryor Cr Rd Billings, Montana No gas stations detected here
REST AREA Temporarily Closed - Rest Area Hardin, Montana No gas stations detected here
EXIT 478 Fly Creek Rd Hardin, Montana No gas stations detected here
EXIT 484 Exit Hardin, Montana No gas stations detected here
EXIT 495 Montana 47; Interstate 90 Business; Hardin; City Center Hardin, Montana 9th Best Exit Cenex Right (S) - 0.17 miles 1223 N Crawford Ave, Hardin, MT 59034 $3.499 4 prices within 1 mile - Avg: $3.50
EXIT 497 3rd St Crow Agency, Montana No gas stations detected here
EXIT 503 Dunmore Crow Agency, Montana No gas stations detected here
EXIT 509 Makawasha Ave Crow Agency, Montana 12th Best Exit Conoco Left (NE) - 0.02 miles 6959 Makawasha Avenue, Crow Agency, MT 59022 $3.669 >24h old 2 prices within 1 mile - Avg: $3.68
EXIT 510 US-212 E Crow Agency, Montana No gas stations detected here
EXIT 514 Garryowen Garryowen, Montana No gas stations detected here
EXIT 530 Exit Lodge Grass, Montana No gas stations detected here
EXIT 544 Wyola Wyola, Montana No gas stations detected here
EXIT 549 Aberdeen Rd Wyola, Montana No gas stations detected here
STATE BORDER State Endpoint Wyola, Montana No gas stations detected here
STATE BORDER State Endpoint Wyola, Wyoming No gas stations detected here
SCENIC AREA Welcome to Wyoming Sign Parkman, Wyoming No gas stations detected here
EXIT 1 Parkman Parkman, Wyoming No gas stations detected here
EXIT 9 US-14 W; Ranchester-Dayton; Greybull-Lovell; Yellowstone-Teton National Parks Ranchester, Wyoming 8th Best Exit Buckhorn Travel Plaza Right (W) - 0.99 miles 723 Dayton St, Ranchester, WY 82839 $3.449 1 prices within 1 mile - Avg: $3.45
EXIT 14 WY-345; Acme Ranchester, Wyoming No gas stations detected here
EXIT 16 WY-339; Decker Mont Ranchester, Wyoming No gas stations detected here
EXIT 20 I-90BUS E; N Main St Sheridan, Wyoming 5th Best Exit Exxon Right (W) - 0.06 miles 3601 N Main St, Sheridan, WY 82801 $3.149 3 prices within 1 mile - Avg: $3.20
EXIT 23 5th St; WY-336 Sheridan, Wyoming 3rd Best Exit Holiday Right (W) - 0.91 miles 812 N Main St, Sheridan, WY 82801-3637 $3.119 3 prices within 1 mile - Avg: $3.40
EXIT 25 I-90 BUS; US-14 E; Sheridan; Big Horn-Ucross Sheridan, Wyoming 3rd Best Exit Maverik Right (W) - 0.01 miles 1242 E Brundage Ln, Sheridan, WY 82801 $3.119 4 prices within 1 mile - Avg: $3.14
SCENIC AREA Scenic Turnout Sheridan, Wyoming No gas stations detected here
EXIT 33 Meade Creek Rd Sheridan, Wyoming No gas stations detected here
EXIT 37 Prairie Dog; Creek Rd Banner, Wyoming No gas stations detected here
EXIT 44 Piney Creek Rd Buffalo, Wyoming No gas stations detected here
EXIT 53 Rock Creek Rd Buffalo, Wyoming No gas stations detected here
EXIT 56A I-25 BUS S; I-90 BUS E Buffalo, Wyoming No gas stations detected here
EXIT 56B I 25;US 87 Buffalo, Wyoming No gas stations detected here
25 I-25 Southbound
EXIT 299 US-16; Buffalo Buffalo, Wyoming 7th Best Exit Kum & Go Right (SW) - 0.66 miles 109 N Main St, Buffalo, WY 82834 $3.349 4 prices within 1 mile - Avg: $3.36
EXIT 298 I 25 Business;US 87 Business Buffalo, Wyoming No gas stations detected here
EXIT 291 Trabing Road Buffalo, Wyoming No gas stations detected here
PARKING AREA Parking Area Kaycee, Wyoming No gas stations detected here
EXIT 265 Reno Road Kaycee, Wyoming No gas stations detected here
EXIT 254 Kaycee Kaycee, Wyoming 6th Best Exit Sinclair Right (W) - 0.07 miles 27 Mayoworth Rd, Kaycee, WY 82639 $3.159 2 prices within 1 mile - Avg: $3.53
EXIT 249 WY-196 N Kaycee, Wyoming No gas stations detected here
EXIT 246 Exit Kaycee, Wyoming No gas stations detected here
EXIT 235 WY-196 N Kaycee, Wyoming No gas stations detected here
EXIT 227 WY-387 N; Midwest; Edgerton Midwest, Wyoming No gas stations detected here
EXIT 216 Exit Casper, Wyoming No gas stations detected here
EXIT 210 WY 259 Casper, Wyoming No gas stations detected here
EXIT 197 Ormsby Rd Casper, Wyoming No gas stations detected here
EXIT 191 Wardwell Rd Casper, Wyoming No gas stations detected here
EXIT 189 US 20;US 26;US 20;US 26 Casper, Wyoming No gas stations detected here
EXIT 189 US-20 W; US-26 W; Shoshoni; Port of Entry Casper, Wyoming No gas stations detected here
EXIT 188B WY-220 W; Poplar St Casper, Wyoming 1st Best Exit Exxon Right (W) - 0.08 miles 632 N Poplar St, Casper, WY 82601 $2.889 2 prices within 1 mile - Avg: $2.89
EXIT 188A US-87 BUS; Center St; I-25 BUS Casper, Wyoming 2nd Best Exit Conoco Left (N) - 0.05 miles 706 N Center St, Casper, WY 82601 $2.949 2 prices within 1 mile - Avg: $2.95

iExit says...

If possible, try to fill up in Wyoming. On average, regular prices in Wyoming are 21 cents cheaper than Montana.

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