
Hydro Flask
Hydro Flask Water Bottle - Insulated Stainless Steel - Non Spill, Leakproof in 21 Oz Beachplum Purple
- Confirm offer eligibility on Amazon
- Unavailable at last check
Size: 21 Ounces
Price checked
Every Hydro Flask product we track, with the ones currently below their normal price first.
Products tracked
121
On sale now
42
Best discount
37%
Median price
$34.95
Comparison
Pick the cap style around how you drink: the wide-mouth Flex Straw Cap is the clearer fit for one-handed cold sipping, while the Standard Mouth Flex Cap is the maker-supported option for hot drinks.
Read the decision guide →
Comparison
Both are 24 oz stainless steel bottles, but their lids suit different routines. Owala's push-button FreeSip offers a straw or drinking spout for one-handed access; Hydro Flask's screw-off Flex Chug setup has a simpler chug path that takes two hands.
Read the decision guide →
Comparison
This is a choice between two documented lid interfaces and two body profiles, not a tested heat- or leak-performance ranking.
Read the decision guide →
Comparison
Choose the Stanley if its two-part lid gives you the sip setup you want; choose the Hydro Flask if you prefer the documented twist-open/twist-close Flex Sip routine.
Read the decision guide →
Comparison
Check your actual cupholder against the published dimensions: Hydro Flask says the Travel bottle’s tapered bottom fits most holders, while Owala lists a shorter but wider 32 oz FreeSip.
Read the decision guide →
Comparison
There is no universal winner. The YETI is the larger 20-ounce tumbler with a sliding, splash-resistant but non-leakproof lid; the Hydro Flask is a 12-ounce bottle with a twist-to-open Flex Sip lid described as leakproof when closed.
Read the decision guide →
42 deals · 79 more tracked
These sit at or above their own normal price. We keep them here so you can see the current price and decide whether to wait.

Hydro Flask
Size: 21 Ounces
Price checked

Hydro Flask
Size: 5 L
Price checked

Hydro Flask
Size: 12 Ounces
Price checked

Hydro Flask
Size: 24 Ounces
Price checked

Hydro Flask
Size: 32 Ounces
Price checked

Hydro Flask
Size: 16 Ounces
Price checked

Hydro Flask
Size: 32 Ounces
Price checked

Hydro Flask
Size: 32 Ounces
Price checked

Hydro Flask
Size: 8 L
Price checked

Hydro Flask
Size: 24 Ounces
Price checked

Hydro Flask
Size: 24 Ounces
Price checked

Hydro Flask
Size: 16 Ounces
Price checked

Hydro Flask
Size: 24 Ounces
Price checked

Hydro Flask
Size: Standard Mouth
Price checked

Hydro Flask
Size: 24 Ounces
Price checked

Hydro Flask
Size: 20 Ounces
Price checked

Hydro Flask
Size: 16 Ounces
Price checked

Hydro Flask
Size: 20 Ounces
Price checked

Hydro Flask
Size: Wide Mouth
Price checked

Hydro Flask
Size: 12 Ounces
Price checked

Hydro Flask
Size: 12
Price checked

Hydro Flask
Size: 6.7 Ounces
Price checked

Hydro Flask
Size: 16 Ounces
Price checked

Hydro Flask
Size: 21 Ounces
Price checked