Tilapia fillets, frozen price in San Antonio.
Live shelf prices for tilapia fillets, frozen (1 lb) across all four major grocery delivery services in San Antonio, TX.
Tilapia fillets, frozen · 1 lb
South Urban- Instacart — AldiCheapest$4.83
- Walmart+$5.68
- Amazon Fresh (Prime)$6.53
- Instacart — Whole Foods$9.37
Shelf price only — total delivered cost depends on basket size, fees, and tip.
Compare full basketHow we got these numbers
- Instacart — Aldi:Category multiplier against Walmart base, adjusted for South Urban ($4.83)
- Walmart+:Regional baseline ($5.68)
- Amazon Fresh (Prime):Category multiplier against Walmart base, adjusted for South Urban ($6.53)
- Instacart — Whole Foods:Category multiplier against Walmart base, adjusted for South Urban ($9.37)
Live observations come from public weekly ads (Aldi, Whole Foods) and BLS Average Retail Food Prices, refreshed daily. Estimates use a per-category multiplier calibrated to NPR, Consumer Reports, and Tasting Table grocery comparison studies.
Why this category prices the way it does
Meat is the highest-variance category by retailer — Walmart's in-house meat program runs ~30% cheaper than Whole Foods' grass-fed/organic-leaning case for comparable cuts.
San Antonio grocery context
San Antonio is H-E-B country in a way only Texans understand — H-E-B operates 70+ stores in the metro and considers SA a hometown market. Among the four major national delivery services we compare, Walmart+ has the broadest physical store footprint here, with stores in nearly every San Antonio neighborhood. Instacart has a thinner partner network in SA than in larger metros — Whole Foods is available, but Aldi has limited delivery range from its small handful of SA stores.
San Antonio residents who want delivery beyond H-E-B should default to Walmart+ for any item Walmart sells. The annual $98 membership pays back within 25 orders. Use Amazon Fresh for Prime-eligible items you already get from Amazon retail.
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Service fees, delivery, and tip all depend on basket size — the cheapest per-item service isn't always the cheapest overall.
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