Cheapest Gas in Olathe, KS
Updated April 5, 2026 — Prices updated regularly from EIA data
$2.55
Lowest price at Costco in Olathe
Finding Cheap Gas in Olathe
Every cent counts when you're filling up in Olathe. The difference between the cheapest and most expensive stations in town is $$0.25 per gallon today — pure savings just from choosing the right location.
Maximum Savings in Olathe
Choose Costco over Chevron
$0.25 per gallon
$3.75 per 15-gallon fill • $12.00 per year (est.)
Cheapest Brands in Olathe
| Rank | Brand | Est. Price | Savings vs. Most Expensive |
|---|---|---|---|
| #1 | Costco | $2.55 | $0.25 |
| #2 | Speedway | $2.67 | $0.13 |
| #3 | Circle K | $2.68 | $0.12 |
| #4 | Sunoco | $2.71 | $0.09 |
| #5 | Marathon | $2.72 | $0.08 |
| #6 | BP | $2.74 | $0.06 |
| #7 | Mobil | $2.75 | $0.05 |
| #8 | Exxon | $2.76 | $0.04 |
| #9 | Shell | $2.78 | $0.02 |
| #10 | Chevron | $2.80 | $0.00 |
Gas Saving Tips for Olathe Drivers
- Track weekly price cycles in your city — most markets follow predictable weekly patterns. Identifying yours and filling on low-price days saves 5-15 cents per gallon consistently.
- Fill up before holiday weekends. Memorial Day, Fourth of July, and Labor Day consistently see 10-25 cent price spikes as demand surges. Topping off Thursday before a holiday weekend beats the rush.
- Download the Upside app for cashback on gas purchases — users report average savings of 20-30 cents per gallon on qualifying transactions.
- Check if your grocery store offers fuel rewards. Kroger, Safeway, Giant, and many regional chains discount gas by 10-50 cents per gallon tied to grocery spending thresholds.
- Use regular unleaded unless your owner's manual specifically requires premium. For the majority of vehicles, there is zero performance benefit from a higher grade.
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