Exxon Gas Prices in Idaho Falls, ID
Updated April 5, 2026 — Prices updated regularly from EIA data
Exxon Regular Unleaded — Est. price in Idaho Falls
About Exxon Fuel
Exxon is one half of the ExxonMobil empire — America's largest publicly traded oil and gas company. Exxon stations offer Synergy fuel with a patented formula containing seven active ingredients that work continuously to clean and protect your engine. Exxon is particularly prominent across the Southeast, Mid-Atlantic, and Texas markets with a reputation for consistent quality.
Exxon Loyalty Program
Exxon Mobil Rewards+ app lets members earn points on every fill-up redeemable for fuel savings and convenience store items. New members get a bonus on their first fill-up.
Brand Price Comparison in Idaho Falls
| Brand | Est. Price | vs. Exxon |
|---|---|---|
| Costco | $3.26 | $-0.21 |
| Speedway | $3.38 | $-0.09 |
| Circle K | $3.39 | $-0.08 |
| Sunoco | $3.42 | $-0.05 |
| Marathon | $3.43 | $-0.04 |
| BP | $3.45 | $-0.02 |
| Mobil | $3.46 | $-0.01 |
| Exxon THIS PAGE | $3.47 | — |
| Shell | $3.49 | +$0.02 |
| Chevron | $3.51 | +$0.04 |
Exxon Prices in Nearby Cities
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