What is the cheapest bottled water per fluid ounce on Amazon?

The cheapest bottled water per fluid ounce on Amazon is usually a store brand or Amazon Basics purified water in a large case. Premium brands like Fiji and Smartwater cost more per fluid ounce. Use Dealophant to compare live prices per fluid ounce.

Is there a difference between purified and spring water?

Purified water (Dasani, Aquafina) is filtered municipal water, while spring water (Poland Spring, Evian) is sourced from natural springs. Both are safe to drink. The taste differs slightly, and purified water is usually cheaper per fluid ounce.

How much can I save buying bottled water in bulk on Amazon?

A case on Amazon costs less per fluid ounce than single bottles from a vending machine or a convenience store. Compare the live price per fluid ounce before you buy, because bottle sizes are not all the same.

What's the cheapest bottled water per fluid ounce on Amazon right now?

Dealophant ranks every bottled water listing on Amazon by live price per fluid ounce, recalculated from the Amazon Product Advertising API on each search. The cheapest in-stock listing appears at the top of https://dealophant.com/compare/bottled-water. Prices change frequently. Verify on Amazon before buying.

How does Dealophant calculate price per fluid ounce for bottled water?

Total listing price is divided by the canonical fluid ounce count extracted from the product title. bottled water is best compared by volume (price per fluid ounce). 1 gal = 128 fl oz; 1 L ≈ 33.8 fl oz. Single-bottle pricing and pack count both lose meaning when bottle sizes differ across listings. Cross-unit listings (for example a serving-count tub mixed in with weight-based tubs) are shown separately under "Other formats" so the price-per-fluid ounce ranking stays apples-to-apples.

Is bulk bottled water actually cheaper per fluid ounce?

Usually yes, but not always. Dealophant has seen single-pack bottled water undercut bulk on a per-fluid ounce basis when the smaller size is on sale or has a Subscribe & Save discount the bulk listing doesn't. That's why Dealophant always recomputes per-fluid ounce price live rather than assuming bigger = cheaper.

What's the typical price range per fluid ounce for bottled water?

Across the 6 bottled water listings Dealophant tracked on Amazon in the last two weeks, the median price per fluid ounce is $0.03 and the cheapest is $0.02. The live ranking is at https://dealophant.com/compare/bottled-water.

Compare Bottled Water prices per fluid ounce on Amazon

Cheapest bottled water per fluid ounce today: Pure Life Purified Bottled Water - 15 Pack, 16.9 Fl Oz | Still Drinking Water at $0.019 per fluid ounce ($4.95 total), as of Nov 13, 5:32 PM UTC.

Best picks right now

Lowest price per fluid ounce: Pure Life Purified Bottled Water - 15 Pack, 16.9 Fl Oz | Still Drinking Water, $0.019 per fluid ounce ($4.95 total)
Lowest total price: Pure Life Purified Bottled Water - 12 Pack, 16.9 Fl Oz | Still Drinking Water, $0.019 per fluid ounce ($3.96 total)
Biggest pack: FIJI Natural Artesian Bottled Water 1.5 Liters /50.7 Fl, Large Water Bottles 12 Pack, $0.045 per fluid ounce ($27.36 total)

Prices as of Nov 13, 5:32 PM UTC.

Bottled Water on Dealophant is ranked by real price per fluid ounce, not sticker price.

Compare bottled water prices per fluid ounce on Amazon. Find the best value across all brands and sizes.

Find the Cheapest Bottled Water Per Fluid Ounce

What's the typical cost per fluid ounce for bottled water?

Right now, the median price per fluid ounce for bottled water is $0.03 across 6 listings Dealophant is tracking on Amazon. The cheapest is Pure Life Purified Bottled Water - 15 Pack, 16.9 Fl Oz | Still Drinking Water Enhanced with Minerals for a Crisp Taste at $0.02 per fluid ounce ($4.95 total).

How Bottled Water pricing is compared on Dealophant

Listings are ranked by price per fluid ounce. Liter and gallon listings are converted automatically (1 gal = 128 fl oz, 1 L ≈ 33.8 fl oz).

We calculate the price per fluid ounce across all brands, bottle sizes, and pack sizes.

Bottled Water prices right now

The middle half of the 6 bottled water listings Dealophant is tracking cost between $0.019 and $0.045 per fluid ounce.

Bigger packs are not cheaper here. Listings of 405.6 fl oz or more cost a median $0.050 per fluid ounce, against $0.023 for 202.8 fl oz or less, so check the price per fluid ounce before buying the bulk size.

Top bottled water picks by price per fluid ounce

Pure Life Purified Bottled Water - 15 Pack, 16.9 Fl Oz | Still Drinking Water Enhanced with Minerals for a Crisp Taste, $0.019 per fl oz ($4.95 total)
Pure Life Purified Bottled Water - 12 Pack, 16.9 Fl Oz | Still Drinking Water Enhanced with Minerals for a Crisp Taste, $0.019 per fl oz ($3.96 total)
Pure Life Purified Bottled Water - 24 Pack, Mini 8 Fl Oz Bottles | Still Drinking Water Enhanced with Minerals for a Crisp Taste, $0.026 per fl oz ($4.99 total)
Pure Life Purified Water, 16.9 Fl oz. Plastic Bottled Water, 24/Carton (110109), $0.031 per fl oz ($12.53 total)
FIJI Natural Artesian Bottled Water 1.5 Liters /50.7 Fl Ounce (Pack of 12) | 100% Natural Electrolytes, Large Water Bottles 12 Pack, Agua, $0.045 per fl oz ($27.36 total)

Prices as of Nov 13, 5:32 PM UTC.

The live ranking with filters is at https://dealophant.com/compare/bottled-water.

Search Bottled Water by price per unit

Buyer's tips for bottled water

Cases of purified water (Dasani, Aquafina, Amazon Basics) are often the lowest price per fluid ounce
Spring water brands (Poland Spring, Deer Park) usually cost more per fluid ounce than purified water
Subscribe & Save on water cases is useful if you drink it regularly, and delivery saves you from carrying cases

Frequently asked questions about bottled water

What is the cheapest bottled water per fluid ounce on Amazon?: The cheapest bottled water per fluid ounce on Amazon is usually a store brand or Amazon Basics purified water in a large case. Premium brands like Fiji and Smartwater cost more per fluid ounce. Use Dealophant to compare live prices per fluid ounce.
Is there a difference between purified and spring water?: Purified water (Dasani, Aquafina) is filtered municipal water, while spring water (Poland Spring, Evian) is sourced from natural springs. Both are safe to drink. The taste differs slightly, and purified water is usually cheaper per fluid ounce.
How much can I save buying bottled water in bulk on Amazon?: A case on Amazon costs less per fluid ounce than single bottles from a vending machine or a convenience store. Compare the live price per fluid ounce before you buy, because bottle sizes are not all the same.
What's the cheapest bottled water per fluid ounce on Amazon right now?: Dealophant ranks every bottled water listing on Amazon by live price per fluid ounce, recalculated from the Amazon Product Advertising API on each search. The cheapest in-stock listing appears at the top of https://dealophant.com/compare/bottled-water. Prices change frequently. Verify on Amazon before buying.
How does Dealophant calculate price per fluid ounce for bottled water?: Total listing price is divided by the canonical fluid ounce count extracted from the product title. bottled water is best compared by volume (price per fluid ounce). 1 gal = 128 fl oz; 1 L ≈ 33.8 fl oz. Single-bottle pricing and pack count both lose meaning when bottle sizes differ across listings. Cross-unit listings (for example a serving-count tub mixed in with weight-based tubs) are shown separately under "Other formats" so the price-per-fluid ounce ranking stays apples-to-apples.
Is bulk bottled water actually cheaper per fluid ounce?: Usually yes, but not always. Dealophant has seen single-pack bottled water undercut bulk on a per-fluid ounce basis when the smaller size is on sale or has a Subscribe & Save discount the bulk listing doesn't. That's why Dealophant always recomputes per-fluid ounce price live rather than assuming bigger = cheaper.
What's the typical price range per fluid ounce for bottled water?: Across the 6 bottled water listings Dealophant tracked on Amazon in the last two weeks, the median price per fluid ounce is $0.03 and the cheapest is $0.02. The live ranking is at https://dealophant.com/compare/bottled-water.