Idaho Propane Prices in 2026
16 EIA surveys, Jan 5, 2026 to Oct 19, 2026 (year in progress)
Last updated
- Average
- $2.427
- High
- $2.625
- Oct 12
- Low
- $2.368
- Mar 2
- Against 2025
- Down −$0.037 (−1.5%)
- change in average
In 2026 so far, EIA published 16 residential propane prices for Idaho. They averaged $2.427 a gallon, from a low of $2.368 on March 2, 2026 to a high of $2.625 on October 12, 2026.
The average was 1.5% below 2025’s $2.464.
EIA surveys only during the heating season in most years, so there are no Idaho values for April, May, June, July, August and September.
Week by week
Every survey in 2026
| Month | Survey dates and prices | Month average |
|---|---|---|
| January | Jan 5$2.385Jan 12$2.397Jan 19$2.393Jan 26$2.418 | $2.398 |
| February | Feb 2$2.427Feb 9$2.400Feb 16$2.398Feb 23$2.384 | $2.402 |
| March | Mar 2$2.368Mar 9$2.378Mar 16$2.377Mar 23$2.384Mar 30$2.397 | $2.381 |
| October | Oct 5$2.514Oct 12$2.625Oct 19$2.586 | $2.575 |
Source: U.S. Energy Information Administration, weekly propane residential price table. Prices exclude taxes.
Propane — weekly Idaho, CSV (12 rows, from 2026-02-02 to 2026-10-19)
Columns: survey_date, area, fuel, price_usd_per_gallon_excl_taxes. Prices are residential, in dollars per gallon ($/gal), excluding taxes. Source: EIA.