Saint Marys
Iowa
Saint Marys Gas Prices - Find the Lowest Gas Prices in Saint Marys, IA
Search for the lowest gasoline prices in Saint Marys, IA. Find local Saint Marys gas prices and Saint Marys gas stations with the best prices to fill up at the pump today
National and Iowa Gas Price Averages
| National Avg. | IA Reg. Avg. | IA Plus Avg. | IA Prem. Avg. | IA Diesel Avg. |
|---|---|---|---|---|
|
$3.136
05/12/2025
|
$2.879
05/12/2025
|
$3.214
05/12/2025
|
$3.640
05/12/2025
|
$3.299
05/12/2025
|
Today's lowest gas prices in Iowa and around Saint Marys
| Station | Regular | Plus | Premium | Diesel |
|---|---|---|---|---|
Marathon 405 1st Ave E, Newton, IA |
$2.49
05/12/2025
|
05/12/2025
|
05/12/2025
|
05/12/2025
|
Murphy USA 3115 Floyd Blvd., Sioux City, IA |
$2.57
05/12/2025
|
$3.12
05/12/2025
|
$3.42
05/12/2025
|
$3.27
05/12/2025
|
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