Mentalfloss Coupons & Coupon Codes

  • 40 All Coupons
  • 37 Promo Codes
  • 3 Online Sales

15% Off

Show Coupon CodeYoutubeFlossers

Excludes Clearence (Expired)

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20% Off Sitewide

Show Coupon CodeFLOSSBACK

20% off sitewide. Expires 10/03/2015. (Expired)

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15% Off. Excludes Clearence

Show Coupon CodeYoutubeFlossers

15% off Excludes Clearence. (Expired)

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15% Off

Show Coupon CodeYoutubeFlossers

15% off. Excludes Clearence. (Expired)

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10% Off All Kitchen And Home Items

Show Coupon CodePRETHANKS10

10% off all kitchen and home items. (Expired)

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20% Off Sitewide

Show Coupon CodeHONEST20

20% off sitewide. Expires 5/5/15. (Expired)

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15% Off. Excludes Clearence

Show Coupon CodeYoutubeFlossers

15% off Excludes Clearence. (Expired)

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50% Off Games & Puzzles

Show Coupon CodeSNOWDAY

50% off Games & Puzzles. Ends 12/8/14. (Expired)

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35% Off Sitewide

Show Coupon CodeCYBERTUES35

35% off Sitewide. $12.99 for Tees. Expires 12/02/2014. (Expired)

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Cyber Monday Sale! 35% Off Sitewide + All T-Shirts For $12.99

Show Coupon CodeCYBER35

35% off Sitewide + All T-shirts for $12.99. Expires 12/02/2014. (Expired)

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Black Friday Sale! 30% Off Sitewide + All T-Shirts For $14.99

Show Coupon CodeBLACKFRIDAY30

30% off Sitewide + All T-shirts for $14.99. Expires 11/30/2014. (Expired)

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30% Off Sitewide

Show Coupon CodePRESALE30

Black Friday Pre-sale. 30% off Sitewide. Some restrictions apply. Expires 11/27/2014. (Expired)

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25% off any one item

Show Coupon CodeMYSTERYSAVE25

25% off any one item with the promo code thru 11/30. (Expired)

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T-shirts $14.90, Free tote w/ $50 Order

Show Coupon CodeTSHIRTSALE

All t-shirts for $14.90, and Free tote with orders of $50+. (Expired)

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20% Off All Books For Veterans Day

Show Coupon CodeVETBOOKS20

20% off all books for Veterans Day. (Expired)

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10% Off Subscription + T-Shirt

Show Coupon CodeSUBTEE10

10% off Subscription + T-Shirt deal. Not valid with clearance items or other sales. Ends 10/30/2014. (Expired)

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10% Off All Kitchen And Home Items

Show Coupon CodePRETHANKS10

10% off all kitchen and home items. (Expired)

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20% Off Sitewide

Show Coupon CodeJULY4TH

20% off sitewide. (Expired)

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Up To 40% Off All T-Shirts

Show Coupon CodeFALLTEES

Up to 40% off all T-shirts. Ends 09/28/2014. (Expired)

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Up To 20% Off All Products

Show Coupon CodeAFF2

Up To 20% off All Products. (Expired)

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15% Off Mental Floss Originals

Show Coupon CodeFLOSSY15

15% off Mental Floss Originals. (Expired)

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20% Off All Products

Show Coupon CodeAFF20

20% off all products. Excludes clearance items, subscriptions, gift cards, or other sales. Expires 09/30/2014. (Expired)

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20% Off All Books For Veterans Day

Show Coupon CodeVETBOOKS20

20% off all books for Veterans Day. (Expired)

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20% Off

Show Coupon CodeFAMILYFUN20

20% off games. (Expired)

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Up To 40% Off All T-Shirts

Show Coupon CodeAUGUSTTEES

Up to 40% off all T-shirts. Excludes clearance items or other sales. Some restrictions apply. Expires 08/24/2014. (Expired)

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50 Best-Selling T-Shirts $17.99

Show Coupon Code1799TEE

50 Best-Selling T-Shirts of All Time for $17.99. (Expired)

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20% Off Sitewide

Show Coupon CodeJULY4TH

20% off sitewide. (Expired)

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15% Off Sitewide

Show Coupon CodeBTS15

15% off sitewide. Expires 08/31/2014. (Expired)

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20% Off

Show Coupon CodeFAMILYFUN20

20% off any games. (Expired)

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Extra 15% Off Clearance Items

Show Coupon CodeCLEAR15

Extra 15% off clearance items. Expires 7/27/14. (Expired)

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10% Off All Kitchen & Home Items

Show Coupon CodePRETHANKS10

10% off all kitchen & home items. (Expired)

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20% Off All Books For Veterans Day

Show Coupon CodeVETBOOKS20

20% off all books for Veterans Day. (Expired)

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20% Off

Show Coupon CodeJULY4TH

20% off sitewide. (Expired)

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20% Off Brain Training Items

Show Coupon CodeBRAIN20

20% off brain training items. Ends 7/31/14. (Expired)

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20% Off Sitewide

Show Coupon CodeJULY4TH

20% off sitewide. (Expired)

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