Gas Prices in Montana
The average price of a gallon of regular gasoline, how it’s moving, and how Montana stacks up against the rest of the country.
Week of June 15, 2026 · estimated from regional trend
25.7¢ above
The U.S. average is $4.05. Montana drivers pay more than the typical American.
Montana is the 43rd-cheapest place to buy regular gas of 51 states and D.C. — equivalently, the 9th-most-expensive.
Ranked on current-week prices (week of June 15, 2026). Cheapest: Texas ($3.43). Most expensive: Hawaii ($6.01).
Montana gas prices over time
EIA publishes only a yearly average for Montana, so this shows the annual history; the most recent point is the current regional estimate, matching the headline above. Values before 2000 are approximate. Toggle between the price at the pump and constant 2025 dollars.
View the data (56 points · annual)
| Date | Nominal | 2025 $ |
|---|---|---|
| 1970-01-01 * | $0.35 | $2.88 |
| 1971-01-01 * | $0.35 | $2.81 |
| 1972-01-01 * | $0.34 | $2.61 |
| 1973-01-01 * | $0.38 | $2.76 |
| 1974-01-01 * | $0.52 | $3.38 |
| 1975-01-01 * | $0.57 | $3.44 |
| 1976-01-01 * | $0.59 | $3.31 |
| 1977-01-01 * | $0.63 | $3.35 |
| 1978-01-01 * | $0.67 | $3.29 |
| 1979-01-01 * | $0.89 | $3.94 |
| 1980-01-01 * | $1.20 | $4.70 |
| 1981-01-01 * | $1.33 | $4.69 |
| 1982-01-01 * | $1.26 | $4.20 |
| 1983-01-01 * | $1.11 | $3.58 |
| 1984-01-01 * | $1.10 | $3.40 |
| 1985-01-01 * | $1.10 | $3.30 |
| 1986-01-01 * | $0.81 | $2.38 |
| 1987-01-01 * | $0.91 | $2.58 |
| 1988-01-01 * | $0.93 | $2.54 |
| 1989-01-01 * | $1.03 | $2.69 |
| 1990-01-01 * | $1.15 | $2.83 |
| 1991-01-01 * | $1.09 | $2.58 |
| 1992-01-01 * | $1.13 | $2.59 |
| 1993-01-01 * | $1.16 | $2.58 |
| 1994-01-01 * | $1.21 | $2.63 |
| 1995-01-01 * | $1.22 | $2.58 |
| 1996-01-01 * | $1.30 | $2.68 |
| 1997-01-01 * | $1.32 | $2.64 |
| 1998-01-01 * | $1.12 | $2.22 |
| 1999-01-01 * | $1.23 | $2.37 |
| 2000-01-01 | $1.56 | $2.92 |
| 2001-01-01 | $1.47 | $2.67 |
| 2002-01-01 | $1.37 | $2.46 |
| 2003-01-01 | $1.57 | $2.74 |
| 2004-01-01 | $1.83 | $3.12 |
| 2005-01-01 | $2.22 | $3.66 |
| 2006-01-01 | $2.49 | $3.97 |
| 2007-01-01 | $2.78 | $4.32 |
| 2008-01-01 | $3.23 | $4.83 |
| 2009-01-01 | $2.35 | $3.53 |
| 2010-01-01 | $2.84 | $4.19 |
| 2011-01-01 | $3.50 | $5.01 |
| 2012-01-01 | $3.58 | $5.03 |
| 2013-01-01 | $3.52 | $4.86 |
| 2014-01-01 | $3.43 | $4.66 |
| 2015-01-01 | $2.51 | $3.41 |
| 2016-01-01 | $2.23 | $3.00 |
| 2017-01-01 | $2.53 | $3.32 |
| 2018-01-01 | $2.90 | $3.72 |
| 2019-01-01 | $2.77 | $3.48 |
| 2020-01-01 | $2.38 | $2.95 |
| 2021-01-01 | $3.32 | $3.95 |
| 2022-01-01 | $4.14 | $4.56 |
| 2023-01-01 | $3.76 | $3.97 |
| 2024-01-01 | $3.33 | $3.42 |
| 2026-06-15 * | $4.31 | $4.42 |
Current average
EIA does not publish separate weekly grade or diesel prices for Montana. The headline above is an estimate for the current week; EIA’s most recent published annual average for Montana was $3.33 in 2024. For live grade-level pricing, see a weekly-reporting state such as California.
The highs and lows
Montana vs. the nation and its neighbors
Latest comparable annual state averages for regular gasoline (2024, EIA SEDS) — a consistent all-51 basis, distinct from the current-week estimate above.
Montana gas prices, answered
- What is the average price of gas in Montana right now?
- As of the week of June 15, 2026 (estimated from regional trends), the average price of regular gasoline in Montana is $4.31 per gallon, according to U.S. Energy Information Administration data.
- Is gas more expensive in Montana than the national average?
- Montana's average of $4.31 is 25.7¢ above the U.S. average of $4.05 per gallon for regular gasoline.
- What is the highest gas price ever recorded in Montana?
- The highest average regular gasoline price recorded for Montana in this series was $4.14 per gallon in 2022. The lowest was $0.34 in 1972.
- Are gas prices in Montana going up or down?
- Over the latest week, the average price of regular gasoline in Montana fell to $4.31 per gallon. Montana currently ranks 43rd-cheapest of 51 states and D.C. for regular gasoline.