Are these rankings sponsored?

No. Ranking placement is not sold. Scores and unit prices come from catalog inputs and the published Value Score formula.

Where do ratings come from?

Star ratings and review counts are Amazon’s displayed figures at the last check. They are not Unit Price Finder taste tests.

Coffee

Cheapest ready-to-drink coffee per fl oz

Among 86 eligible listings checked through Sep 4, 2026, International Delight Iced has the lowest unit cost at 9.0 cents/fl oz. Prices change. Confirm the live Amazon listing before buying.

Showing top 30 of 86 eligible products · Checked through Sep 4, 2026

View on Amazon

Ready-to-drinkMediumCaffFlavored

International Delight Iced

Price: $5.79
Size: 64 oz

Per fl oz: 9.0 cents/fl oz

Amazon rating: 4.6 / 53,087 reviews
Value score: 5.00 / 5100 / 100

Score factors: 9¢/fl-oz · 4.6★ · 3.1k reviews

Checked Aug 11, 2026

View on Amazon

Ready-to-drinkMediumCaffPlain

Medium Roast Iced

Price: $4.99
Size: 48 oz

Per fl oz: 10.4 cents/fl oz

Amazon rating: 4.8 / 56,282 reviews
Value score: 5.00 / 5100 / 100

Score factors: 10¢/fl-oz · 4.8★ · 6.3k reviews

Checked Sep 2, 2026

View on Amazon

Ready-to-drinkEspressoCaffFlavored

Starbucks Iced Espresso Vanilla Latte

Price: $4.99
Size: 40 oz

Per fl oz: 12.5 cents/fl oz

Amazon rating: 4.7 / 51,619 reviews
Value score: 4.99 / 5100 / 100

Score factors: 12¢/fl-oz · 4.7★ · 1.6k reviews

Checked Sep 3, 2026

View on Amazon

Ready-to-drinkMediumCaffPlain

Bold & Smooth Unsweetened Cold Brew

Price: $5.99
Size: 48 oz

Per fl oz: 12.5 cents/fl oz

Amazon rating: 4.8 / 55,073 reviews
Value score: 4.99 / 5100 / 100

Score factors: 12¢/fl-oz · 4.8★ · 5.1k reviews

Checked Sep 2, 2026

View on Amazon

Ready-to-drinkMediumCaffPlain

SToK Not Too Sweet Black Cold Brew

Price: $5.99
Size: 48 oz

Per fl oz: 12.5 cents/fl oz

Amazon rating: 4.8 / 52,198 reviews
Value score: 4.99 / 5100 / 100

Score factors: 12¢/fl-oz · 4.8★ · 2.2k reviews

Checked Aug 11, 2026

View on Amazon

Ready-to-drinkDarkCaffPlain

SToK Cold Brew

Price: $5.99
Size: 48 oz

Per fl oz: 12.5 cents/fl oz

Amazon rating: 4.8 / 5517 reviews
Value score: 4.99 / 5100 / 100

Score factors: 12¢/fl-oz · 4.8★ · 517 reviews

Checked Aug 6, 2026

View on Amazon

Ready-to-drinkDarkCaffPlain

SToK Cold Brew

Price: $5.99
Size: 48 oz

Per fl oz: 12.5 cents/fl oz

Amazon rating: 4.8 / 51,240 reviews
Value score: 4.99 / 5100 / 100

Score factors: 12¢/fl-oz · 4.8★ · 1.2k reviews

Checked Sep 2, 2026

View on Amazon

Ready-to-drinkMediumCaffPlain

Califia Farms

Price: $23.99
Size: 192 oz

Per fl oz: 12.5 cents/fl oz

Amazon rating: 4.4 / 51,483 reviews
Value score: 4.98 / 5100 / 100

Score factors: 12¢/fl-oz · 4.4★ · 1.5k reviews

Checked Aug 12, 2026

View on Amazon

Ready-to-drinkEspressoCaffPlain

Bizzy Cold Brew

Price: $6.70
Size: 48 oz

Per fl oz: 14.0 cents/fl oz

Amazon rating: 4.4 / 5150 reviews
Value score: 4.97 / 5*99 / 100

Score factors: 14¢/fl-oz · 4.4★ · low review count (<200)

Checked Aug 11, 2026

#10

View on Amazon

Ready-to-drinkMediumCaffPlain

Califia Farms

Price: $6.99
Size: 48 oz

Per fl oz: 14.6 cents/fl oz

Amazon rating: 4.6 / 52,738 reviews
Value score: 4.98 / 5100 / 100

Score factors: 15¢/fl-oz · 4.6★ · 2.7k reviews

Checked Aug 11, 2026

#11

View on Amazon

Ready-to-drinkMediumCaffPlain

La Colombe

Price: $6.99
Size: 48 oz

Per fl oz: 14.6 cents/fl oz

Amazon rating: 4.3 / 530 reviews
Value score: 2.83 / 5*46 / 100

Score factors: 15¢/fl-oz · 4.3★ · low review count (<200)

Checked Aug 12, 2026

#12

View on Amazon

Ready-to-drinkLightCaffPlain

Califia Farms

Price: $6.99
Size: 48 oz

Per fl oz: 14.6 cents/fl oz

Amazon rating: —886 reviews
Value score: n/a

Unit price 15¢/fl-oz · Amazon rating unverified (excluded from Value Score)

Checked Aug 10, 2026

#13

View on Amazon

Ready-to-drinkLightCaffPlain

Starbucks Blonde Roast Iced

Price: $7.49
Size: 48 oz

Per fl oz: 15.6 cents/fl oz

Amazon rating: 4.8 / 54,736 reviews
Value score: 4.99 / 5100 / 100

Score factors: 16¢/fl-oz · 4.8★ · 4.7k reviews

Checked Aug 6, 2026

#14

View on Amazon

Ready-to-drinkMediumCaffFlavored

Black Coffee RTD

Price: $29.99
Size: 180 oz

Per fl oz: 16.7 cents/fl oz

Amazon rating: 4.6 / 521 reviews
Value score: 2.35 / 5*35 / 100

Score factors: 17¢/fl-oz · 4.6★ · low review count (<200)

Checked Sep 3, 2026

#15

View on Amazon

Ready-to-drinkDarkCaffPlain

Starbucks Dark Roast Iced

Price: $8.29
Size: 48 oz

Per fl oz: 17.3 cents/fl oz

Amazon rating: 4.8 / 53,637 reviews
Value score: 4.98 / 5100 / 100

Score factors: 17¢/fl-oz · 4.8★ · 3.6k reviews

Checked Aug 6, 2026

#16

View on Amazon

Ready-to-drinkMediumCaffFlavored

Starbucks

Price: $6.99
Size: 40 oz

Per fl oz: 17.5 cents/fl oz

Amazon rating: 4.5 / 5431 reviews
Value score: 4.98 / 599 / 100

Score factors: 17¢/fl-oz · 4.5★ · 431 reviews

Checked Aug 12, 2026

#17

View on Amazon

Ready-to-drinkMediumCaffFlavored

Bones Coffee Company

Price: $24.99
Size: 132 oz

Per fl oz: 18.9 cents/fl oz

Amazon rating: 4.6 / 550 reviews
Value score: 3.80 / 5*70 / 100

Score factors: 19¢/fl-oz · 4.6★ · low review count (<200)

Checked Aug 12, 2026

#18

Bones Coffee Company Cookies N' Dreams Latte

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Ready-to-drinkMediumCaffFlavored

Bones Coffee Company Cookies N' Dreams Latte

Price: $24.99
Size: 132 oz

Per fl oz: 18.9 cents/fl oz

Amazon rating: 4.4 / 542 reviews
Value score: 3.06 / 5*52 / 100

Score factors: 19¢/fl-oz · 4.4★ · low review count (<200)

Checked Aug 11, 2026

#19

View on Amazon

Ready-to-drinkEspressoCaffFlavored

Black Rifle

Price: $2.94
Size: 15 oz

Per fl oz: 19.6 cents/fl oz

Amazon rating: 4.2 / 5108 reviews
Value score: 4.76 / 5*94 / 100

Score factors: 20¢/fl-oz · 4.2★ · low review count (<200)

Checked Sep 3, 2026

#20

View on Amazon

Ready-to-drinkMediumCaffFlavored

Starbucks Frappuccino Coffee Drink

Price: $7.78
Size: 38 oz

Per fl oz: 20.5 cents/fl oz

Amazon rating: 4.7 / 52,064 reviews
Value score: 4.98 / 599 / 100

Score factors: 20¢/fl-oz · 4.7★ · 2.1k reviews

Checked Sep 3, 2026

#21

View on Amazon

Ready-to-drinkMediumCaffPlain

La Colombe

Price: $28.10
Size: 132 oz

Per fl oz: 21.3 cents/fl oz

Amazon rating: 4.5 / 5142 reviews
Value score: 4.92 / 5*98 / 100

Score factors: 21¢/fl-oz · 4.5★ · low review count (<200)

Checked Aug 12, 2026

#22

View on Amazon

Ready-to-drinkMediumCaffPlain

La Colombe

Price: $28.44
Size: 132 oz

Per fl oz: 21.5 cents/fl oz

Amazon rating: 4.6 / 5345 reviews
Value score: 4.97 / 599 / 100

Score factors: 22¢/fl-oz · 4.6★ · 345 reviews

Checked Aug 12, 2026

#23

View on Amazon

Ready-to-drinkMediumCaffPlain

La Colombe

Price: $28.44
Size: 132 oz

Per fl oz: 21.5 cents/fl oz

Amazon rating: 4.4 / 5252 reviews
Value score: 4.96 / 599 / 100

Score factors: 22¢/fl-oz · 4.4★ · 252 reviews

Checked Sep 2, 2026

#24

View on Amazon

Ready-to-drinkMediumCaffFlavored

Dutch Bros Vanilla Caramel Iced Latte

Price: $36.00
Size: 164.4 oz

Per fl oz: 21.9 cents/fl oz

Amazon rating: 4.4 / 5152 reviews
Value score: 4.92 / 5*98 / 100

Score factors: 22¢/fl-oz · 4.4★ · low review count (<200)

Checked Sep 3, 2026

#25

View on Amazon

Ready-to-drinkMediumCaffFlavored

La Colombe Latte Draft Vanilla

Price: $8.08
Size: 36 oz

Per fl oz: 22.4 cents/fl oz

Amazon rating: 4.4 / 51,021 reviews
Value score: 4.95 / 599 / 100

Score factors: 22¢/fl-oz · 4.4★ · 1k reviews

Checked Sep 2, 2026

#26

Starbucks Frappuccino Vanilla Iced Coffee Drink

View on Amazon

Ready-to-drinkMediumCaffFlavored

Starbucks Frappuccino Vanilla Iced Coffee Drink

Price: $8.59
Size: 38 oz

Per fl oz: 22.6 cents/fl oz

Amazon rating: 4.8 / 54,898 reviews
Value score: 4.97 / 599 / 100

Score factors: 23¢/fl-oz · 4.8★ · 4.9k reviews

Checked Sep 4, 2026

#27

Dunkin' French Vanilla Iced Coffee Bottles

View on Amazon

Ready-to-drinkMediumCaffFlavored

Dunkin' French Vanilla Iced Coffee Bottles

Price: $37.44
Size: 164.4 oz

Per fl oz: 22.8 cents/fl oz

Amazon rating: 4.6 / 5802 reviews
Value score: 4.97 / 599 / 100

Score factors: 23¢/fl-oz · 4.6★ · 802 reviews

Checked Sep 3, 2026

#28

View on Amazon

Ready-to-drinkMediumCaffFlavored

Dunkin' Donuts® Iced

Price: $3.12
Size: 13.7 oz

Per fl oz: 22.8 cents/fl oz

Amazon rating: 4.5 / 5815 reviews
Value score: 4.96 / 599 / 100

Score factors: 23¢/fl-oz · 4.5★ · 815 reviews

Checked Sep 3, 2026

#29

View on Amazon

Ready-to-drinkMediumCaffPlain

Dunkin' Donuts Original Iced

Price: $3.12
Size: 13.7 oz

Per fl oz: 22.8 cents/fl oz

Amazon rating: 4.4 / 5787 reviews
Value score: 4.95 / 599 / 100

Score factors: 23¢/fl-oz · 4.4★ · 787 reviews

Checked Sep 3, 2026

#30

View on Amazon

Ready-to-drinkMediumCaffFlavored

Dunkin' Donuts Caramel Iced

Price: $3.12
Size: 13.7 oz

Per fl oz: 22.8 cents/fl oz

Amazon rating: 3.1 / 58 reviews
Value score: 1.16 / 5*5 / 100

Score factors: 23¢/fl-oz · 3.1★ · low review count (<200)

Checked Aug 11, 2026

Browse ready-to-drink coffee How Value Score works

How this page ranks

Ranked by lowest calculated cents per fluid ounce among ready-to-drink coffee with usable pack volume.

Dry coffee (bags, pods, instant) is excluded. Listings without usable fluid-ounce totals are excluded. These figures are not comparable to bag coffee ¢/oz.

Affiliate disclosure