What a used Samsung Galaxy S21 actually sells for, from 24 listings Flipify tracked on Facebook Marketplace and OfferUp since Oct 25, 2026. Updated .
A used Samsung Galaxy S21 typically sells for $150 (US Dollar), with most listings between $150 and $160. It's cheapest on Facebook Marketplace ($150 typical). Anything under $150 is a good deal.
| Day | Median | Listings |
|---|---|---|
| Oct 25, 2026 | $150 | 6 |
| Oct 27, 2026 | $160 | 9 |
| Oct 28, 2026 | $150 | 4 |
| Oct 29, 2026 | $150 | 5 |
Listings priced at least 10% under what that model usually goes for. Titles are the seller's own; good deals usually sell the same day, so some may be gone.
| Found | Listing | Price |
|---|---|---|
| Oct 29 | Samsung Galaxy S21 256GB Unlocked(opens OfferUp)256GB · Used · OfferUp | $13013% below typical |
| Oct 25 | Samsung S21(opens Facebook Marketplace)Used · Facebook Marketplace | $13013% below typical |
Flipify watches every marketplace and alerts you seconds after an underpriced Samsung Galaxy S21 is listed.
What a used Samsung Galaxy S21 actually sells for, from 22 listings Flipify tracked on local marketplaces since Oct 25, 2026. Updated .
A used Samsung Galaxy S21 typically sells for CA$229 (Canadian Dollar), with most listings between CA$200 and CA$250. Anything under CA$200 is a good deal.
| Day | Median | Listings |
|---|---|---|
| Oct 25, 2026 | CA$200 | 7 |
| Oct 28, 2026 | CA$200 | 5 |
| Oct 29, 2026 | CA$250 | 5 |
Listings priced at least 10% under what that model usually goes for. Titles are the seller's own; good deals usually sell the same day, so some may be gone.
| Found | Listing | Price |
|---|---|---|
| Oct 29 | Samsung s21(opens Facebook Marketplace)Used · Facebook Marketplace | CA$14039% below typical |
| Oct 28 | Samsung Galaxy S21 128GB Unlocked(opens Facebook Marketplace)128GB · Used · Facebook Marketplace | CA$13043% below typical |
| Oct 28 | Samsung galaxy S21(opens Facebook Marketplace)Used · Facebook Marketplace | CA$15034% below typical |
| Oct 28 | Samsung Galaxy S21(opens Facebook Marketplace)Used · Facebook Marketplace | CA$20013% below typical |
| Oct 25 | Samsung s21 a 128g déverrouille(opens Facebook Marketplace)128GB · Used · Facebook Marketplace | CA$18021% below typical |
| Oct 25 | Samsung Galaxy S21 + Etui(opens Facebook Marketplace)Used · Facebook Marketplace | CA$20013% below typical |
| Oct 25 | Samsung galaxy s21 5g 128go(opens Facebook Marketplace)128GB · Used · Facebook Marketplace | CA$12048% below typical |
| Oct 25 | Samsung Galaxy S21 128GB White(opens Facebook Marketplace)128GB · Used · Facebook Marketplace | CA$20013% below typical |
Flipify watches every marketplace and alerts you seconds after an underpriced Samsung Galaxy S21 is listed.
How we calculate this: asking prices from public marketplace listings Flipify matched to the Samsung Galaxy S21, one per listing, with placeholder and outlier prices removed. Each currency is its own market of local listings, not a conversion. Asking prices are not sale prices.