Gas prices in Harlingen, TX today
Updated Oct 10, 2026, 1:37 AM
Price by chain — today
Chain prices are estimates. We start from the Texas state average ($3.92/gal regular today) and apply typical per-chain offsets. Live per-station pricing coming soon.
cheapest
Murphy USA
$3.79
— no change
Buc-ee's
$3.83
— no change
HEB Gas
$3.87
— no change
Valero
$3.90
— no change
Exxon
$3.96
— no change
Conoco
$3.98
— no change
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Stations sorted by price
Gas prices in Harlingen, Cameron County are updated hourly.
Harlingen is a city of 71,829 residents in Central Texas.
The cheapest regular unleaded today is $3.795/gal at Murphy USA — filling a 15-gallon tank costs $56.92.
Compared to the Texas state average of $3.915/gal, Harlingen drivers pay close to the statewide average.
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gas price
Price per gallon
Murphy USA · Regular
$2.79
Passengers
1
2
3
4
5
6
Distance
239 mi
Houston → Dallas
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Fuel prices & local data — Harlingen, TX ⛽
1:37 AM CT
Cameron CountyRio Grande ValleyUS-77 corridor71,829 residents
Harlingen is the Rio Grande Valley's healthcare and transportation hub — home to the Valley International Airport and the US Border Patrol's RGV Sector HQ.
72K
population
2.1
vehicles / household
24%
truck ownership
~$319
est. monthly fuel
What is the cheapest gas station in Harlingen, TX right now?
Murphy USA is currently the cheapest at $3.79/gal for regular unleaded. Prices last updated Oct 10, 2026, 1:37 AM.
Source: AAA Texas, updated Oct 10, 2026, 1:37 AM CT
How much does a full tank cost in Harlingen, TX?
At current prices, filling a 15-gallon tank costs $56.92 at Murphy USA. A 20-gallon tank costs $75.90.
Source: AAA Texas, updated Oct 10, 2026, 1:37 AM CT
Are fuel prices cheaper near the Texas-Mexico border in Harlingen, TX?
Harlingen, TX sits on the border, where cross-border demand and regional competition shape pump prices. Valley pricing with cross-border arbitrage keeps Harlingen 2-4¢ below state average.
Source: AAA Texas, updated Oct 10, 2026, 1:37 AM CT