Montana propane prices
What Montana (MT) homes pay per gallon for propane: the average residential price from EIA's weekly survey of propane dealers, updated every Wednesday from October to March.
Updated · EIA data
- vs. Rocky Mountain
- 17¢ lower
- Past 4 weeks
- not published
Source: U.S. Energy Information Administration, State Heating Oil and Propane Program, published Wednesdays, October to March. About the survey
Montana propane price chart
EIA weekly averages, residential propane, dollars per gallon.
Montana propane prices by week, 2026–27 season
This week's $2.17 a gallon in Montana is 16% above the $1.88 of the week of October 20, 2025, a year earlier.
| Week of | Montana | Rocky Mountain |
|---|---|---|
| Oct 19, 2026 | $2.17 | $2.34 |
| Oct 12, 2026 | $2.14 | $2.28 |
| Oct 5, 2026 | $1.91 | $2.19 |
EIA weekly averages for Montana and the Rocky Mountain region, residential propane, dollars per gallon.
Montana propane prices by season
The lowest and highest weekly price in each heating season (October to March), and the season's last week.
| Season | Low | High | Last week |
|---|---|---|---|
| 2026–27 (so far) | $1.91 | $2.17 | $2.17 |
| 2025–26 | $1.84 | $2.20 | $2.12 |
| 2024–25 | $1.88 | $2.38 | $2.32 |
| 2023–24 | $1.91 | $2.23 | $2.18 |
| 2022–23 | $2.27 | $2.46 | $2.42 |
| 2021–22 | $2.05 | $2.51 | $2.49 |
| 2020–21 | $1.38 | $2.09 | $1.89 |
EIA weekly averages for Montana, residential propane, dollars per gallon, October to March surveys.
What a delivery costs
- 100 gallons$217
- 250 gallons$542
- 500 gallons$1,084
BillAverage estimate based on EIA data, at the latest EIA weekly average for Montana. Dealers' prices vary.
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Questions
- What is the price of propane in Montana?
- $2.17 a gallon, EIA's weekly average residential price for Montana in the week of October 19, 2026.
- Is propane cheaper in Montana than the Rocky Mountain average?
- Yes. Montana's $2.17 a gallon was 17¢ below EIA's Rocky Mountain average of $2.34 that week.
- How have MT propane prices changed this season?
- So far in the 2026–27 season, MT propane prices have ranged from a low of $1.91 a gallon (week of October 5, 2026) to a high of $2.17 (week of October 19, 2026), per EIA's weekly survey, and stand at $2.17 this week. That's 16% above the $1.88 of a year earlier (week of October 20, 2025).
- How much does a propane delivery cost in Montana?
- At $2.17 a gallon, 100 gallons cost about $217, 250 gallons about $542 and 500 gallons about $1,084. That's our estimate at EIA's weekly average; dealers' prices vary.
- How often are propane prices updated?
- EIA surveys propane dealers every Monday from October through March and publishes the averages on Wednesday. We update this page when EIA publishes.