If you live anywhere in the Greater Toronto Area, you’ve felt the sting at the pump. Whether you’re commuting from Mississauga, running deliveries across Scarborough, or heading up the 400 to cottage country, the cost of filling up has become a weekly financial stress point. And the big question everyone keeps asking is simple: When will gas prices finally come down?
To answer that, we need to look at what’s driving prices today — globally, nationally, and right here in Ontario.
1. The Global Shock That Started It All
Gas prices in Canada — including the GTA — are tied directly to global crude oil markets. Even though Canada produces oil, our refineries buy crude at global benchmark prices.
In early 2026, a major disruption in the Strait of Hormuz, a waterway that carries 20% of the world’s oil, caused crude prices to spike above $120 USD/barrel. This shock pushed Canada’s national average gas price up by 48% compared to April 2025.
Shipping routes have since partially reopened, and crude prices have eased, but the effects take weeks to flow through refineries and distribution networks. That’s why GTA pump prices remain elevated even after the initial crisis cooled.
2. The Federal Excise Tax Suspension: A Temporary Break
On April 20, 2026, the federal government suspended the fuel excise tax — cutting 10¢/L off gasoline and 4¢/L off diesel nationwide. This brought Canada’s national average down to 169.1¢/L. Ontario’s provincial average now sits around 169¢/L, though GTA stations often fluctuate higher.
This is real relief — but it’s temporary. The suspension ends September 7, 2026. Unless extended, prices will jump again in the fall.
3. Seasonal Pressures: Spring and Summer Always Cost More
Every year, gas prices rise heading into spring and summer. But in 2026, the seasonal bump is hitting harder because it’s stacking on top of already elevated crude prices.
Key seasonal factors include:
- Higher travel demand as weather warms
- Refineries switching to summer-grade gasoline, which costs more to produce
- Refinery maintenance season, which tightens supply
This year, refineries across North America are running at high capacity, and any hiccup — especially at Ontario facilities in Sarnia or Nanticoke — immediately tightens supply and pushes GTA prices up.
4. Ontario’s Refinery and Distribution Bottlenecks
Ontario’s refining infrastructure is aging. When a refinery goes down for maintenance or unexpected issues, the GTA feels it instantly. Supply tightens, wholesale prices jump, and retail stations adjust within hours.
EcoFlow’s April 2026 analysis notes that Ontario’s refinery network is “starting to show its age,” and even routine maintenance can cause immediate price spikes.
This is one of the biggest reasons GTA prices swing so wildly day-to-day.
5. Taxes and Carbon Pricing Still Matter
Even with the excise tax temporarily suspended, other taxes remain:
- HST (13%)
- Provincial fuel tax
- Carbon pricing, which increased again in April 2026
While the carbon price increase is only a few cents per litre, it compounds with other factors and keeps GTA prices higher than many other provinces.
6. So When Will Gas Prices Finally Come Down?
Based on current data, here’s the realistic outlook:
Short-Term (Spring–Summer 2026)
Expect continued volatility. Prices in the GTA will likely stay in the 150–180¢/L range depending on crude prices, refinery output, and demand spikes.
Medium-Term (Fall 2026)
Prices may rise again when the federal excise tax suspension ends on September 7, 2026 — unless the government extends it.
If global crude stabilizes and refineries return to full output, we could see modest relief, but not a dramatic drop.
Long-Term (2027 and beyond)
Meaningful, sustained price drops will require:
- Stable global oil markets
- No major geopolitical disruptions
- Improved refinery reliability
- Policy adjustments
In other words: gas prices will come down — but slowly, and not all at once.
7. Why This Matters for Every GTA Household
High gas prices hit everyone:
- Commuters
- Tradespeople
- Delivery drivers
- Small businesses
- Families juggling rising grocery and housing costs
When fuel costs rise, everything else rises with it — from food to shipping to services. That’s why the question “When will gas prices come down?” isn’t just about cars. It’s about the cost of living in the GTA.
8. What You Can Control Right Now
While you can’t control global oil markets, you can reduce your exposure:
- Drive during off-peak traffic to reduce idling
- Use apps that track real-time GTA gas prices
- Keep tires properly inflated (saves up to 3% fuel)
- Avoid premium unless your vehicle requires it
- Combine errands to reduce trips
Small changes add up — especially when prices are unpredictable.
Final Word
Gas prices in the GTA are high because of a perfect storm: global supply shocks, refinery constraints, seasonal demand, and layered taxes. Prices will come down — but only gradually, and only if global crude stabilizes and domestic supply pressures ease.
Until then, every GTA driver will continue to feel the impact — because fuel costs don’t just affect our cars, they affect our entire economy and daily lives.