Propane Prices in Oklahoma (Week of Oct 19, 2026)
Residential propane in Oklahoma averaged $2.35 a gallon for the week of Oct 19, 2026 (+2.5% in two weeks) – 13% below the US average and the 12th lowest of 38 states EIA surveys.
Source: EIA Heating Oil and Propane Update (weekly, excluding taxes). Updated automatically each week from October to March.
Cost to fill a tank in Oklahoma
| Delivery | Gallons | Cost at $2.35/gal |
|---|---|---|
| 20 lb grill cylinder (≈4.7 gal) | 4.7 | $11.05 |
| 100 lb cylinder (≈23.6 gal) | 23.6 | $55.51 |
| 500-gallon tank, 20% → 80% | 300 | $705.60 |
| 1,000-gallon tank, 20% → 80% | 600 | $1,411.20 |
Before sales tax, delivery minimums or small-delivery fees, which vary by dealer.
Cheapest way to heat in Oklahoma right now
| Heating system | Cost per million BTU of heat |
|---|---|
| Natural gas furnace (95%) | $14.60 |
| Heat pump (HSPF2 9, COP ≈2.6) | $16.18 |
| Propane furnace (90%) | $28.58 |
| Electric baseboard (COP 1) | $42.06 |
Using Oklahoma's current averages for propane, natural gas and electricity (14.35¢/kWh). Prices for natural gas in Oklahoma and electricity in Oklahoma.
Nearby states
Frequently asked questions
What is the price of propane in Oklahoma this week?
$2.35 per gallon on average for homes in the week of Oct 19, 2026, before taxes (EIA survey). That is 13% below the US average of $2.69, and +2.5% since Oct 5, 2026.
How much does it cost to heat with propane in Oklahoma?
At $2.35 a gallon, 500 gallons over a winter costs about $1,176 before tax. Actual use depends on the house, insulation and winter – check your past deliveries and enter them in the calculator.
Is propane cheaper than other heat in Oklahoma?
Per million BTU of heat, propane costs about $28.58 in Oklahoma this week. The cheapest option at current state averages is natural gas furnace (95%) at $14.60.
Source: EIA weekly residential propane prices. Heat comparison uses typical efficiencies and EIA state averages.