How gas prices have changed in Great Falls in the last week

Written by:
September 12, 2025
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How gas prices have changed in Great Falls in the last week

Stacker compiled statistics on gas prices in Great Falls, MT metro area using data from AAA. Gas prices are current as of September 12.

Great Falls by the numbers
- Gas current price: $3.25
--- Montana average: $3.25
- Week change: $0.00 (0.0%)
- Year change: -$0.02 (-0.7%)
- Historical expensive gas price: $4.96 (6/20/22)

- Diesel current price: $3.66
- Week change: -$0.01 (-0.4%)
- Year change: +$0.02 (+0.6%)
- Historical expensive diesel price: $5.91 (6/26/22)

Metros with the least expensive gas
#1. San Angelo, TX: $2.63
#2. Laredo, TX: $2.63
#3. McAllen-Edinburg-Mission, TX: $2.64

Read on to see which metros have the most expensive gas prices.

1 / 5
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#5. Seattle-Bellevue-Everett, WA

- Regular gas price: $4.80
2 / 5
Elen Nika // Shutterstock

#4. Santa Rosa, CA

- Regular gas price: $4.81
3 / 5
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#3. Napa, CA

- Regular gas price: $4.83
4 / 5
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#2. San Luis Obispo-Atascadero-Paso Robles, CA

- Regular gas price: $4.90
5 / 5
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#1. Lihue (Kauai), HI

- Regular gas price: $5.00

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