Lake St Louis Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $4 | $4.45 | $4.69 | $4.94 | - |
| Month Ago Avg. | $4.05 | $4.51 | $4.75 | $5.02 | - |
Highest Recorded Average Gas Price In Lake St Louis Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.03 | 06/15/26 |
| Regular | $4.06 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Lake St Louis
QuikTrip in Lake St Louis (8334 MO-N)
8334 MO-N, Lake St Louis, Missouri,
$3.94
Jul 18, 2026
0¢ Cashback
Huck's in Lake Saint Louis (501 Civic Center Dr)
501 Civic Center Dr, Lake St Louis, Missouri,
$3.96
Jul 18, 2026
0¢ Cashback
Murphy USA in Lake St Louis (723 Robert Raymond Dr)
723 Ronald Reagan Dr, Lake St Louis, Missouri,
$3.96
Jul 18, 2026
0¢ Cashback
Murphy USA in Lake St Louis (723 Robert Raymond Dr)
723 Robert Raymond Dr, Lake St Louis, Missouri,
$3.99
Jul 18, 2026
0¢ Cashback
Mobil in Lake St Louis (11400 Veterans Memorial Pkwy)
11400 Veterans Memorial Pkwy, Lake St Louis, Missouri,
$4.19
Jul 18, 2026
0¢ Cashback
Circle K in Lake St Louis (8630 State Rte N)
8630 State Rte N, Lake St Louis, Missouri,
$4.20
Jul 18, 2026
0¢ Cashback
Phillips 66 in Lake St Louis (2144 W Terra Ln)
2144 W Terra Ln, Lake St Louis, Missouri,
$4.26
Jul 18, 2026
0¢ Cashback
Phillips 66 in Lake St Louis (100 Lake St Louis Blvd)
100 Lake St Louis Blvd, Lake St Louis, Missouri,
$4.29
Jul 18, 2026
0¢ Cashback
Circle K in Lake Saint Louis (1001 Lake St. Louis Blvd)
1001 Lake St Louis Blvd, Lake St Louis, Missouri,
$4.45
Jul 18, 2026
0¢ Cashback
Phillips 66 in Lake Saint Louis (463 Hawk Ridge Trl)
463 Hawk Ridge Trail, Lake St Louis, Missouri,
$4.99
Jul 18, 2026
0¢ Cashback
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.