1
Exxon
US Petroleum
323 Middle Country RdSmithtown, NY
$3.75
M: $4.17 P: $4.57 D: $4.89
per gal Gas Prices in Smithtown
13 stations in Suffolk County — updated Jul 20, 11:05 AM
Find the cheapest gas prices in Smithtown, Suffolk County today. We track 13 gas stations across Smithtown and update prices daily using GasBuddy data. Smithtown is located in Suffolk County on Long Island, near Route 25 Jericho Turnpike, LIE, Northern State Parkway. Compare regular, mid-grade, premium, and diesel prices below to save on your daily commute. The average regular gas price in Smithtown is currently $4.02/gallon. The cheapest gas is $3.75 at US Petroleum.
$3.75 Cheapest
$4.02 Average
13 Stations
2
Ultra
Ultra
231 W Jericho TpkeSmithtown, NY
$3.75
M: $4.59 P: $4.99 D: $5.09
per gal 3
Mobil
Ultra Mart
278 W Main StSmithtown, NY
$3.75
M: $4.25 P: $4.65 D: $5.09
per gal 4
BP
BP
240 W MAIN STSmithtown, NY
$3.85
M: $4.25 P: $4.65
per gal 5
Mobil
Mobil
819 West Jericho TpkeSmithtown, NY
$3.85
M: $4.15 P: $4.65 D: $5.29
per gal 6
Mobil
Mobil
504 NY-111Hauppauge, NY
$3.89
M: $4.19 P: $4.59 D: $4.99
per gal 7
Speedway
Speedway
522 Smithtown BypassHauppauge, NY
$3.89
M: $4.39 P: $4.79 D: $5.39
per gal 8
BP
Gas Sale
303 Maple AveSmithtown, NY
$3.90
D: $5.15
per gal 9
Sunoco
Sunoco
320 Middle Country RdSmithtown, NY
$3.90
M: $4.44 P: $4.74 D: $5.09
per gal 10
BP
BP
762 SMITHTOWN BYPSmithtown, NY
$3.99
M: $4.39 P: $4.79 D: $5.39
per gal 11
BP
BP
1007 W JERICHO TPKESmithtown, NY
$4.04
M: $4.70 P: $4.94 D: $5.64
per gal 12
BP
BP
209 TERRY RDSmithtown, NY
$4.05
13
Shell
Shell
560 Middle Country RdSaint James, NY
$5.59
More Cheap Gas Near Smithtown
Worth the short drive if the price gap covers it — ranked by price, distance-adjusted.
Smithtown Gas Price Context
The Suffolk County average for regular is currently $3.94/gal versus $3.95 across all of Long Island. If your commute runs along Route 25 Jericho Turnpike or LIE, check prices at both ends of the trip — the spread between the cheapest and priciest Long Island stations is regularly more than a dollar per gallon, and warehouse clubs (Costco, BJ's) reliably sit at the bottom of the table. Hit a pothole on the way? The Smithtown tire shop directory shows live open-now status, and our roadside safety analysis covers what to do if it happens on a parkway.
FAQ — Gas in Smithtown
Where is the cheapest gas near Smithtown right now?
The cheapest gas in Smithtown is $3.75/gal regular at US Petroleum. Prices update throughout the day — the full ranked list is above.
Is gas in Suffolk County cheaper than the Long Island average?
Suffolk County currently averages $3.94/gal regular versus $3.95 island-wide — slightly cheaper than the Long Island average. Individual stations matter more than averages: the island-wide spread is often more than a dollar per gallon.
How often are Smithtown gas prices updated?
Prices are pulled from crowd-reported and posted-price feeds and republished throughout the day — this page was last rebuilt Jul 20, 11:05 AM. Each station card shows regular, midgrade, premium, and diesel where reported.