# COS Cashback — Compare Rates Across 24 Cashback Portals

> GotCashback.com tracks COS cashback rates across 24 cashback portals, updated 2026-09-09T08:08:46Z. Current best rate: **6%** via **British Airways eStore**. This page is the agent-readable version of https://www.gotcashback.com/Stores/COS/.

- Canonical HTML page: https://www.gotcashback.com/Stores/COS/
- Store website: https://cos.com
- Data freshness: rates last checked 2026-09-09T08:08:46Z; rates change frequently — treat values older than 24 hours as stale and re-fetch.
- All rates apply to online purchases initiated through the portal's tracking link unless noted otherwise.

Compare COS cashback across 24 portals: TopCashback.com 4%, plus British Airways eStore, JetBlue ShopTrue and Asia Miles iShop miles. Updated 9 Sep 2026.

## Best Current Rate

| Field | Value |
|---|---|
| Best rate | 6 Avios / $1 |
| Portal | [British Airways eStore](https://www.gotcashback.com/Portals/british-airways-us/) |
| Rate type | flat |
| Cashback link | https://www.gotcashback.com/Click/british-airways-us/COS/ |

## All Portal Rates

Sorted by cashback rate, highest first. Use the "Cashback link" URL to activate rate comparison and tracking.

| Portal | Cashback rate | End date | Conditions | Cashback link |
|---|---|---|---|---|
| [TopCashback.com](https://www.gotcashback.com/Portals/TopCashback/) | 4% | — | — | https://www.gotcashback.com/Click/TopCashback/COS/ |
| [CapitalOne Shopping](https://www.gotcashback.com/Portals/capitalone-shopping/) | 3% | — | — | https://www.gotcashback.com/Click/capitalone-shopping/COS/ |
| [Rakuten](https://www.gotcashback.com/Portals/rakuten/) | 2% | — | — | https://www.gotcashback.com/Click/rakuten/COS/ |
| [RebatesMe](https://www.gotcashback.com/Portals/rebatesme/) | 2% | — | — | https://www.gotcashback.com/Click/rebatesme/COS/ |
| [SimplyBestCoupons.com](https://www.gotcashback.com/Portals/SimplyBestCoupons/) | 1.20% | — | — | https://www.gotcashback.com/Click/SimplyBestCoupons/COS/ |
| [BeFrugal](https://www.gotcashback.com/Portals/befrugal/) | 1.2% | — | — | https://www.gotcashback.com/Click/befrugal/COS/ |
| [Mr. Rebates](https://www.gotcashback.com/Portals/MrRebates/) | 1% | — | — | https://www.gotcashback.com/Click/MrRebates/COS/ |
| [Price.com](https://www.gotcashback.com/Portals/price-com/) | 1.00 % | — | — | https://www.gotcashback.com/Click/price-com/COS/ |
| [Opera Cashback](https://www.gotcashback.com/Portals/opera-cashback/) | Up to 2% (up to) | — | — | https://www.gotcashback.com/Click/opera-cashback/COS/ |
| [GoCashBack](https://www.gotcashback.com/Portals/gocashback/) | Up to 1.6% (up to) | — | — | https://www.gotcashback.com/Click/gocashback/COS/ |
| [Citi Shop](https://www.gotcashback.com/Portals/citishop/) | Up to 1.3% (up to) | — | — | https://www.gotcashback.com/Click/citishop/COS/ |
| [British Airways eStore](https://www.gotcashback.com/Portals/british-airways-us/) | 6 Avios / $1 | — | — | https://www.gotcashback.com/Click/british-airways-us/COS/ |
| [Aer Lingus eStore](https://www.gotcashback.com/Portals/aerlingus/) | 6 Avios/$1 | — | — | https://www.gotcashback.com/Click/aerlingus/COS/ |
| [JetBlue ShopTrue](https://www.gotcashback.com/Portals/JetBlueShopTrue/) | 3 Points / $1 | — | — | https://www.gotcashback.com/Click/JetBlueShopTrue/COS/ |
| [Asia Miles iShop](https://www.gotcashback.com/Portals/asia-miles/) | 3 miles / USD | — | — | https://www.gotcashback.com/Click/asia-miles/COS/ |
| [Barclaycard RewardsBoost](https://www.gotcashback.com/Portals/Barclaycard-RewardsBoost/) | 2 points/$1 | — | — | https://www.gotcashback.com/Click/Barclaycard-RewardsBoost/COS/ |
| [Rove Miles](https://www.gotcashback.com/Portals/RoveMiles/) | 1.7 miles / $ | — | — | https://www.gotcashback.com/Click/RoveMiles/COS/ |
| [USAA MemberShop](https://www.gotcashback.com/Portals/usaa-mall/) | 1.5% | — | — | https://www.gotcashback.com/Click/usaa-mall/COS/ |
| [Southwest Rapid Rewards](https://www.gotcashback.com/Portals/SouthestRapidRewards/) | 1 pt/$1 | — | — | https://www.gotcashback.com/Click/SouthestRapidRewards/COS/ |
| [Alaska Mileage Plan](https://www.gotcashback.com/Portals/AlaskaMileagePlan/) | 1 point/$ | — | — | https://www.gotcashback.com/Click/AlaskaMileagePlan/COS/ |
| [American AAdvantage](https://www.gotcashback.com/Portals/AmericanAAdvantage/) | 1 mile/$ | — | — | https://www.gotcashback.com/Click/AmericanAAdvantage/COS/ |
| [Delta SkyMiles Shopping](https://www.gotcashback.com/Portals/Delta-SkyMiles/) | 1 mile/$ | — | — | https://www.gotcashback.com/Click/Delta-SkyMiles/COS/ |
| [Chase Ultimate Rewards](https://www.gotcashback.com/Portals/chase-ultimate-rewards/) | 1x pts | — | — | https://www.gotcashback.com/Click/chase-ultimate-rewards/COS/ |
| [United Airlines MileagePlus Shopping](https://www.gotcashback.com/Portals/united-airlines-mileageplus/) | 1 mile/$ | — | — | https://www.gotcashback.com/Click/united-airlines-mileageplus/COS/ |

## Rate History

Chart-ready JSON with historical best rates per portal:

- Last 12 months: https://www.gotcashback.com/Stores/COS/History/Json/year/
- Last 30 days: https://www.gotcashback.com/Stores/COS/History/Json/month/

## Terms & Exclusions

Common conditions for cashback (verify per portal before purchase):

- Cashback typically applies to orders initiated through the portal's tracking link; in-store offers, where available, are listed separately above.
- Gift card purchases usually do not earn cashback.
- Cashback is voided if another browser extension or coupon code claims the affiliate attribution.
- Tracking requires clicking through the portal link with ad/tracker blocking disabled.
- Portal-specific conditions are listed in the "Conditions" column above.

## How It Works

1. Compare rates in the tables above and pick a portal.
2. Follow the cashback link, sign in (or register) at the portal, and click through to COS from the portal.
3. Complete your purchase in the same session without visiting other coupon sites.
4. Cashback tracks in your portal account and becomes withdrawable after the portal's payout waiting period.

## Ask AI or Telegram

- AI assistants can query live cashback rates for this store via the [GotCashback MCP Server](https://mcp.gotcashback.com) — setup guide: https://www.gotcashback.com/mcp-server/
- [Ask the Telegram bot](https://t.me/GotCashbackBot?start=s_14399_cb): opens @GotCashbackBot with this store's cashback rates.

GotCashback.com compares cashback rates across 110 cashback portals in 41 countries worldwide, including 40 portals and 30798 stores in the United States. Founded in 2020; operated by MNP Enterprises, LLC.

## FAQ

**How does earning cashback through cashback portals work?**
Cashback portals partner with various retailers and offer users cashback when they shop through their platform. Users can earn cashback by clicking on links provided by the portal to make purchases at their partner retailers.

**Are cashback rewards taxable?**
In most cases, cashback rewards are not considered taxable income. However, it is always best to consult with a tax professional for advice specific to your situation.

**How long does it take for cashback to be credited to my account?**
The time taken for cashback to be credited varies by cashback portal and retailer. It can range from a few days to several weeks.

**Can I earn cashback on all purchases made through a cashback portal?**
Not all purchases may be eligible for cashback. It is important to read the terms and conditions of each offer to determine eligibility.

**Do I need to pay to join a cashback portal?**
Most cashback portals are free to join. Users can sign up and start earning cashback without paying any membership fees.

**Is there a limit to how much cashback I can earn?**
There may be limits on the amount of cashback you can earn per transaction or within a given time period. Check the terms and conditions for details.

**What should I do if my cashback is not tracked or credited?**
If you believe your cashback is not tracked or credited properly, you can reach out to the cashback portal's customer support for assistance.

**Can I withdraw my cashback as cash?**
Many cashback portals offer various payout options, including cash, gift cards, or PayPal transfers. Check the portal's terms for withdrawal options.

**Is it safe to provide personal information to cashback portals?**
Reputable cashback portals use secure encryption and take measures to protect users' personal information. Always ensure you are using a trusted portal.

**Can I stack cashback from multiple portals on one purchase?**
It is generally not possible to earn cashback from multiple portals on the same purchase. Choose one portal per transaction.

**Do cashback portals have mobile apps?**
Many cashback portals offer mobile apps for convenient shopping and earning cashback on-the-go. Check the respective portal for app availability.

**Are there any fees associated with cashback transactions?**
While most cashback transactions are fee-free, some portals may charge a fee for certain services or payout methods. Review the portal's terms for details.

**Can I earn cashback on travel bookings through cashback portals?**
Yes, many cashback portals offer cashback on travel bookings such as flights, hotels, and car rentals. Check the portal's travel partners for eligibility.

**How can I maximize my cashback earnings?**
To maximize cashback earnings, look out for special promotions, use cashback credit cards, and make sure to shop through the portal for all eligible purchases.

**Are there any restrictions on what products can earn cashback?**
Some cashback portals may have restrictions on certain product categories that are eligible for cashback. Check the terms for details.

**Can I earn cashback on in-store purchases through cashback portals?**
Some cashback portals offer cashback on in-store purchases when linked to a debit or credit card. Check with the respective portal for details.

**What happens if I return a purchase that earned cashback?**
If you return a purchase that earned cashback, the cashback amount may be deducted from your account or reversed. Check the portal's return policies.

**Do cashback portals offer referral bonuses?**
Many cashback portals offer referral bonuses when you refer friends or family to sign up. Check the portal's referral program for details.

**Can I earn cashback on discounted or sale items?**
In most cases, cashback can be earned on discounted or sale items. However, some exclusions may apply, so check the terms for details.

**What is the minimum amount required to withdraw cashback?**
Each cashback portal may have a different minimum withdrawal threshold. Check the portal's terms for the minimum amount required to cash out.

## Related

- All stores index (HTML): https://www.gotcashback.com/Stores/
- Site index for agents: https://www.gotcashback.com/llms.txt
- Similar stores (agent-readable): [Bloomingdale's](https://www.gotcashback.com/Stores/Bloomingdale-s/llms.txt), [Sandro-Paris](https://www.gotcashback.com/Stores/Sandro-Paris/llms.txt), [EXPRESS](https://www.gotcashback.com/Stores/EXPRESS/llms.txt), [Neiman Marcus](https://www.gotcashback.com/Stores/Neiman-Marcus/llms.txt), [ASOS](https://www.gotcashback.com/Stores/ASOS/llms.txt), [Gap](https://www.gotcashback.com/Stores/Gap/llms.txt), [LOFT](https://www.gotcashback.com/Stores/LOFT/llms.txt), [Shopbop](https://www.gotcashback.com/Stores/Shopbop/llms.txt), [Nasty Gal](https://www.gotcashback.com/Stores/Nasty-Gal/llms.txt), [J.Crew](https://www.gotcashback.com/Stores/J-Crew/llms.txt), [H&M](https://www.gotcashback.com/Stores/H-M/llms.txt), [Free People](https://www.gotcashback.com/Stores/Free-People/llms.txt), [Nordstrom](https://www.gotcashback.com/Stores/Nordstrom/llms.txt)
- Same store in other countries: [COS (United Kingdom)](https://www.gotcashback.co.uk/Stores/COS/llms.txt), [COS (Spain)](https://www.gotcashback.es/Stores/COS/llms.txt), [COS (Deutschland)](https://www.gotcashback.de/Stores/COS/llms.txt), [COS (Poland)](https://www.gotcashback.pl/Stores/COS/llms.txt), [COS (Italy)](https://it.gotcashback.com/Stores/COS/llms.txt), [COS (France)](https://fr.gotcashback.com/Stores/COS/llms.txt), [COS (Australia)](https://au.gotcashback.com/Stores/COS/llms.txt), [COS (Österreich)](https://www.gotcashback.at/Stores/COS/llms.txt), [COS (Netherlands)](https://www.gotcashback.nl/Stores/COS/llms.txt), [COS (Ireland)](https://ie.gotcashback.com/Stores/COS/llms.txt), [COS (Czechia)](https://www.gotcashback.cz/Stores/COS/llms.txt), [COS (Sverige)](https://se.gotcashback.com/Stores/COS/llms.txt), [COS (台灣)](https://tw.gotcashback.com/Stores/COS/llms.txt), [COS (香港)](https://hk.gotcashback.com/Stores/COS/llms.txt)

---
*Machine-readable metadata*

```json
{
  "type": "CashbackStoreOffer",
  "store": "COS",
  "storeUrl": "https://cos.com",
  "canonical": "https://www.gotcashback.com/Stores/COS/",
  "lastUpdated": "2026-09-09T08:08:46Z",
  "bestRate": {
    "advertised": "4%",
    "effectivePercent": 4,
    "tiered": false,
    "portal": "TopCashback.com",
    "portalUrl": "https://www.gotcashback.com/Portals/TopCashback/",
    "clickUrl": "https://www.gotcashback.com/Click/TopCashback/COS/"
  },
  "portalCount": 24,
  "portals": [
    {
      "name": "TopCashback.com",
      "rate": "4%",
      "effectivePercent": 4,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/TopCashback/COS/"
    },
    {
      "name": "CapitalOne Shopping",
      "rate": "3%",
      "effectivePercent": 3,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/capitalone-shopping/COS/"
    },
    {
      "name": "Rakuten",
      "rate": "2%",
      "effectivePercent": 2,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/rakuten/COS/"
    },
    {
      "name": "RebatesMe",
      "rate": "2%",
      "effectivePercent": 2,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/rebatesme/COS/"
    },
    {
      "name": "SimplyBestCoupons.com",
      "rate": "1.20%",
      "effectivePercent": 1.2,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/SimplyBestCoupons/COS/"
    },
    {
      "name": "BeFrugal",
      "rate": "1.2%",
      "effectivePercent": 1.2,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/befrugal/COS/"
    },
    {
      "name": "Mr. Rebates",
      "rate": "1%",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/MrRebates/COS/"
    },
    {
      "name": "Price.com",
      "rate": "1.00 %",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/price-com/COS/"
    },
    {
      "name": "Opera Cashback",
      "rate": "Up to 2%",
      "effectivePercent": 2,
      "tiered": true,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/opera-cashback/COS/"
    },
    {
      "name": "GoCashBack",
      "rate": "Up to 1.6%",
      "effectivePercent": 1.6,
      "tiered": true,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/gocashback/COS/"
    },
    {
      "name": "Citi Shop",
      "rate": "Up to 1.3%",
      "effectivePercent": 1.3,
      "tiered": true,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/citishop/COS/"
    },
    {
      "name": "British Airways eStore",
      "rate": "6 Avios / $1",
      "effectivePercent": 6,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/british-airways-us/COS/"
    },
    {
      "name": "Aer Lingus eStore",
      "rate": "6 Avios/$1",
      "effectivePercent": 6,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/aerlingus/COS/"
    },
    {
      "name": "JetBlue ShopTrue",
      "rate": "3 Points / $1",
      "effectivePercent": 3,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/JetBlueShopTrue/COS/"
    },
    {
      "name": "Asia Miles iShop",
      "rate": "3 miles / USD",
      "effectivePercent": 3,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/asia-miles/COS/"
    },
    {
      "name": "Barclaycard RewardsBoost",
      "rate": "2 points/$1",
      "effectivePercent": 2,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/Barclaycard-RewardsBoost/COS/"
    },
    {
      "name": "Rove Miles",
      "rate": "1.7 miles / $",
      "effectivePercent": 1.7,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/RoveMiles/COS/"
    },
    {
      "name": "USAA MemberShop",
      "rate": "1.5%",
      "effectivePercent": 1.5,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/usaa-mall/COS/"
    },
    {
      "name": "Southwest Rapid Rewards",
      "rate": "1 pt/$1",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/SouthestRapidRewards/COS/"
    },
    {
      "name": "Alaska Mileage Plan",
      "rate": "1 point/$",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/AlaskaMileagePlan/COS/"
    },
    {
      "name": "American AAdvantage",
      "rate": "1 mile/$",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/AmericanAAdvantage/COS/"
    },
    {
      "name": "Delta SkyMiles Shopping",
      "rate": "1 mile/$",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/Delta-SkyMiles/COS/"
    },
    {
      "name": "Chase Ultimate Rewards",
      "rate": "1x pts",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/chase-ultimate-rewards/COS/"
    },
    {
      "name": "United Airlines MileagePlus Shopping",
      "rate": "1 mile/$",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.com/Click/united-airlines-mileageplus/COS/"
    }
  ]
}
```