Plank Mattress Sales History

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Shomp checks Plank Mattress for new sales every morning. Shomp is not associated with or endorsed by Plank Mattress.

How often does Plank Mattress have sales?

25–30%
typical discount, best seen 35%
89%
of days on sale (76 of 85 days checked)
9
longest run of days without a sale

Today’s sale

Up to 25% offAug 26, 2026Labor Day Sale — 25% off sitewide (use promo code LABORDAY25)Plank Mattress sales usually run 25–30% off.See the sale

August 2026

Aug 28, 2026

Labor Day Sale — 25% off sitewide (use promo code LABORDAY25)

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Aug 25, 20261 day ago

Labor Day Sale — 25% off sitewide (use promo code LABORDAY25).

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Aug 24, 20262 days ago

Labor Day Sale: 25% off sitewide (use promo code LABORDAY25).

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Aug 22, 20264 days ago

Labor Day Sale: 25% off sitewide (use code LABORDAY25)

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Aug 21, 20265 days ago

Back to School sale — 25% off sitewide (use promo code SCHOOL25).

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Aug 20, 20266 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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Aug 19, 20267 days ago

Back-to-School Sale — 25% off sitewide (use promo code SCHOOL25)

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Aug 18, 20268 days ago

Back to School Sale — 25% off sitewide (use code SCHOOL25)

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Aug 16, 202610 days ago

Back to School Sale: 25% off sitewide (use promo code SCHOOL25).

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Aug 15, 202611 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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Aug 14, 202612 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25).

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Aug 13, 202613 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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Aug 12, 202614 days ago

Back to School Sale: 25% off sitewide (use promo code SCHOOL25)

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Aug 11, 202615 days ago

25% off sitewide — use promo code SCHOOL25

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Aug 10, 202616 days ago

Flash Sale: 30% off sitewide (use promo code FLASH30)

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Aug 9, 202617 days ago

Flash Sale: 30% off sitewide — use promo code FLASH30.

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Aug 8, 202618 days ago

Flash Sale: 30% off sitewide — use promo code FLASH30.

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Aug 7, 202619 days ago

Flash Sale — 30% off sitewide (use promo code FLASH30)

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Aug 6, 202620 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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Aug 5, 202621 days ago

Back to School Sale — 25% off sitewide with promo code SCHOOL25.

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Aug 4, 202622 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25).

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Aug 3, 202623 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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Aug 2, 202624 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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July 2026

Jul 30, 202627 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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Jul 29, 202628 days ago

Back to School Sale — 25% off sitewide (use code SCHOOL25).

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Jul 28, 202629 days ago

Back to School Sale: 25% off sitewide (use promo code SCHOOL25).

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Jul 27, 202630 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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Jul 26, 202631 days ago

Back to School Sale — 25% off sitewide (use promo code SCHOOL25)

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Jul 25, 202632 days ago

Back to School Sale — 25% off sitewide (use code SCHOOL25).

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Jul 15, 202642 days ago

Summer Sale — 25% off sitewide with promo code SUMMER25.

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Jul 14, 202643 days ago

Summer Sale — 25% off sitewide with promo code SUMMER25

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Jul 13, 202644 days ago

25% off sitewide — use promo code SUMMER25

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Jul 12, 202645 days ago

Summer Sale — 25% off sitewide (use promo code SUMMER25)

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Jul 11, 202646 days ago

Summer sale — 25% off sitewide with promo code SUMMER25.

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Jul 10, 202647 days ago

Summer Sale — 25% off sitewide with promo code SUMMER25

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Jul 9, 202648 days ago

Summer sale — 25% off sitewide with promo code SUMMER25.

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Jul 8, 202649 days ago

Summer Sale — 25% off sitewide with promo code SUMMER25

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Jul 7, 202650 days ago

4th of July / Sitewide sale: 30% off sitewide with promo code JULY30

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Jul 6, 202651 days ago

Sitewide 30% off — use promo code JULY30

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Jul 5, 202652 days ago

4th of July sale — 30% off sitewide with promo code JULY30.

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Jul 4, 202653 days ago

4th of July / Sitewide sale — 30% off sitewide (use promo code JULY30)

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Jul 3, 202654 days ago

Sitewide 30% off — use promo code JULY30

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Jul 2, 202655 days ago

30% off sitewide — use promo code JULY30

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Jul 1, 202656 days ago

4th of July Sale — 30% off sitewide with promo code JULY30

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June 2026

Jun 30, 202657 days ago

4th of July sale — 30% off sitewide with promo code JULY30

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Jun 29, 202658 days ago

4th of July Sale — 30% off sitewide (use promo code JULY30)

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Jun 28, 202659 days ago

4th of July sitewide sale — 30% off sitewide (use promo code JULY30)

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Jun 27, 202660 days ago

4th of July Sale — 30% off sitewide (use promo code JULY30)

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Jun 26, 202661 days ago

30% off sitewide with promo code JULY30

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Jun 25, 202662 days ago

4th of July Sale — 30% off sitewide (use promo code JULY30).

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Jun 24, 202663 days ago

4th of July Sale — 30% off sitewide (use promo code JULY30)

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Jun 23, 202664 days ago

4th of July Sale — 30% off sitewide with promo code JULY30.

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Jun 22, 202665 days ago

4th of July Sale — 25% off sitewide (use promo code JULY25)

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Jun 21, 202666 days ago

4th of July Sale: 25% off sitewide (use promo code JULY25)

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Jun 20, 202667 days ago

25% off sitewide with promo code JULY25

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Jun 19, 202668 days ago

4th of July Sale — 25% off sitewide (use promo code JULY25)

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Jun 18, 202669 days ago

25% off sitewide — use promo code JULY25

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Jun 17, 202670 days ago

Summer Sale: 25% off sitewide — use promo code SUMMER25.

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Jun 16, 202671 days ago

25% off sitewide with promo code SUMMER25.

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Jun 14, 202673 days ago

Flash Sale — 3 days: 30% off sitewide; 35% off Plank Luxe Hybrid

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Jun 13, 202674 days ago

Flash Sale — 3 days only: 30% off sitewide, with the Plank Luxe Hybrid at 35% off.

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Jun 12, 202675 days ago

Flash Sale (3 days): 30% off sitewide, with 35% off the Plank Luxe Hybrid.

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Jun 11, 202676 days ago

Summer Sale — 25% off sitewide (use promo code SUMMER25).

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Jun 10, 202677 days ago

25% off sitewide — use promo code SUMMER25

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Jun 9, 202678 days ago

Summer Sale — 25% off sitewide (use promo code SUMMER25)

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Jun 8, 202679 days ago

Summer Sale — 25% off sitewide (use promo code SUMMER25)

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Jun 7, 202680 days ago

Summer Sale — 25% off sitewide (use promo code SUMMER25)

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Jun 6, 202681 days ago

Summer Sale — 25% off sitewide (use promo code SUMMER25)

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Jun 5, 202682 days ago

Summer Sale: 25% off sitewide with promo code SUMMER25.

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Jun 4, 202683 days ago

Summer Sale: 25% off sitewide (use promo code SUMMER25).

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Jun 3, 202684 days ago

Extended Memorial Sale: 25% off sitewide (use promo code MEMORIAL25).

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Jun 2, 202685 days ago

25% off sitewide with promo code MEMORIAL25

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Jun 1, 202686 days ago

Extended Memorial Sale — 25% off sitewide (use promo code MEMORIAL25)

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May 2026

May 31, 202687 days ago

25% Off Sitewide — use promo code MEMORIAL25

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May 30, 202688 days ago

Extended Memorial Sale — 25% off sitewide (use promo code MEMORIAL25)

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