Portsmouth Gas Prices - Find the Lowest Gas Prices in Portsmouth, NH

Search for the lowest gasoline prices in Portsmouth, NH. Find local Portsmouth gas prices and Portsmouth gas stations with the best prices to fill up at the pump today

National and New Hampshire Gas Price Averages

National Avg.NH Reg. Avg.NH Plus Avg.NH Prem. Avg.NH Diesel Avg.
$3.196
05/23/2025
$2.910
05/23/2025
$3.480
05/23/2025
$3.895
05/23/2025
$3.704
05/23/2025

Today's lowest gas prices in New Hampshire and around Portsmouth

StationRegularPlusPremiumDiesel
Irving
186 N Main St, Plymouth, NH
$2.60
05/23/2025
05/23/2025
05/23/2025
05/23/2025
The Country Mile
758 Fitchburg Rd, Greenville, NH
$2.63
05/23/2025
05/23/2025
05/23/2025
$3.39
05/23/2025

Find all gas prices in and around Portsmouth, NH.

Type in your Search Keyword(s) and Press Enter...
Add an Event

Local Events

Portsmouth Farmers' Market

Saturday, May 24, 2025 from 8:00am to 12:00pm
Portsmouth, NH
More info »

Memorial Day Weekend at Board and Brush Portsmouth

Saturday, May 24, 2025 at 11:00am
Portsmouth, NH
More info »

Avi Kaplan

Saturday, May 24, 2025 at 8:00pm
Portsmouth, NH
More info »

Memorial Day Weekend at Board and Brush Portsmouth

Sunday, May 25, 2025 at 1:00pm
Portsmouth, NH
More info »

Music: The Massacoustics

Sunday, May 25, 2025 at 7:00pm
Portsmouth, NH
More info »

The String Queens

Sunday, May 25, 2025 at 7:30pm
Portsmouth, NH
More info »

7/8 Band Performs in Memorial Day Parade

Monday, May 26, 2025
Portsmouth, NH
More info »

Local Artist Series: Jimmy Ryan's Wooden Leg

Monday, May 26, 2025 at 7:00pm
Portsmouth, NH
More info »

7/8 Band Performs in Memorial Day Parade

Tuesday, May 27, 2025
Portsmouth, NH
More info »

David Cross - The End of The Beginning of The End

Tuesday, May 27, 2025 at 7:00pm
Portsmouth, NH
More info »

See All Events