Gas prices in Billings, MT

Daily metro average from AAA (2026-10-26), per gallon including taxes, for AAA’s Billings metro area in Montana.

Regular

$4.35

per gallon · €1.03/L

Midgrade

$4.68

per gallon · €1.10/L

Premium

$5.05

per gallon · €1.19/L

Diesel

$6.10

per gallon · €1.44/L

1.8% vs last week ($4.43) 44.0% vs a year ago ($3.02)

Nearest Montana metros on price

The metros immediately either side of Billings in Montana, so you can see whether paying $4.35 here is normal or not.

Metro	Regular	vs Billings
Billings, MT	$4.35	—
Great Falls, MT	$4.44	+$0.09
Missoula, MT	$4.45	+$0.10

All 3 Montana metros ranked →

All Montana gas prices →

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Gas prices near me →

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Tools for drivers in Billings

Gas cost calculator →

What a trip or a full tank costs at Billings prices.

Road trip gas calculator →

Any two places, priced state by state along the route.

MPG calculator →

Your car's real miles per gallon from one fill-up.

Free VIN check →

Decode a VIN: specs, recalls and fuel cost.

Frequently asked questions

How much is gas in Billings right now?

Regular gasoline averages $4.35 per gallon across Billings, MT today (AAA metro average, 2026-10-26). Midgrade is $4.68, premium $5.05 and diesel $6.10.

Is gas cheaper in Billings than the rest of Montana?

A Montana state comparison is unavailable today.

Where does Billings rank in Montana?

Billings is the 1st cheapest of 3 Montana metros AAA tracks.

Are gas prices in Billings higher than a year ago?

Yes — regular is 44.0% higher than this time last year ($3.02/gal then, $4.35 now).