# Promain Cashback — Compare Rates Across 3 Cashback Portals

> GotCashback.co.uk tracks Promain cashback rates across 3 cashback portals, updated 2026-09-06T11:46:40Z. Current best rate: **4%** via **British Airways eStore**. This page is the agent-readable version of https://www.gotcashback.co.uk/Stores/Promain/.

- Canonical HTML page: https://www.gotcashback.co.uk/Stores/Promain/
- Data freshness: rates last checked 2026-09-06T11:46:40Z; 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.

Earn Promain airline miles and credit card points across 3 portals: British Airways eStore, Vueling eStore and Aer Lingus eStore. Updated 6 Sept 2026.

## Best Current Rate

| Field | Value |
|---|---|
| Best rate | 4 Avios / £1 |
| Portal | [British Airways eStore](https://www.gotcashback.co.uk/Portals/british-airways-us/) |
| Rate type | flat |
| Cashback link | https://www.gotcashback.co.uk/Click/british-airways-us/Promain/ |

## 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 |
|---|---|---|---|---|
| [British Airways eStore](https://www.gotcashback.co.uk/Portals/british-airways-us/) | 4 Avios / £1 | — | — | https://www.gotcashback.co.uk/Click/british-airways-us/Promain/ |
| [Vueling eStore](https://www.gotcashback.co.uk/Portals/vueling/) | 4 Avios/£1 | — | — | https://www.gotcashback.co.uk/Click/vueling/Promain/ |
| [Aer Lingus eStore](https://www.gotcashback.co.uk/Portals/aerlingus/) | 4 Avios/£1 | — | — | https://www.gotcashback.co.uk/Click/aerlingus/Promain/ |

## Rate History

Chart-ready JSON with historical best rates per portal:

- Last 12 months: https://www.gotcashback.co.uk/Stores/Promain/History/Json/year/
- Last 30 days: https://www.gotcashback.co.uk/Stores/Promain/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 Promain 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.co.uk/mcp-server/
- [Ask the Telegram bot](https://t.me/GotCashbackBot?start=s_1788929_cb): opens @GotCashbackBot with this store's cashback rates.

GotCashback.co.uk compares cashback rates across 87 cashback portals in 33 countries worldwide, including 16 portals and 10292 stores in the United Kingdom. Founded in 2020; operated by MNP Enterprises, LLC.

## FAQ

**How does earning Promain cashback using cashback portals work?**
Cashback portals partner with retailers to offer users a percentage of their purchase back as cashback when they shop through the portal.

**Are there any fees involved in earning Promain cashback through cashback portals?**
Most cashback portals do not charge users any fees for earning cashback, but it's always a good idea to check the terms and conditions.

**How long does it take to receive Promain cashback after making a purchase through a cashback portal?**
The time it takes to receive cashback varies by retailer and cashback portal, but it typically ranges from a few days to a few weeks.

**Is there a limit to how much Promain cashback I can earn through cashback portals?**
Each cashback portal may have its own limits on how much cashback you can earn, so it's recommended to check the specific terms for each portal.

**Can I earn Promain cashback on all types of purchases made through cashback portals?**
Cashback portals often have restrictions on certain purchases, such as gift cards or certain categories. It's important to review the terms for each portal.

**Do I need to provide any personal information to earn Promain cashback through cashback portals?**
Most cashback portals require users to create an account and provide some personal information to track and provide cashback.

**What happens if my Promain cashback doesn't track or gets declined by the cashback portal?**
If your cashback doesn't track or gets declined, you may need to submit a support ticket with the cashback portal to investigate and resolve the issue.

**Can I earn Promain cashback if I use additional discount codes or coupons?**
Using additional discount codes or coupons may affect your ability to earn cashback, so it's best to review the terms and conditions for each cashback portal.

**Are there any specific requirements to earn Promain cashback through cashback portals?**
Requirements may vary by cashback portal, but common criteria include making a purchase through the portal and meeting any specific terms set by the retailer.

**Is there a minimum purchase amount required to earn Promain cashback through cashback portals?**
Some cashback portals may have a minimum purchase requirement to earn cashback, so it's advisable to check the terms and conditions.

**Can I earn Promain cashback on purchases made through mobile apps or websites?**
Yes, you can typically earn cashback on purchases made through mobile apps or websites as long as you access the retailer's site through the cashback portal.

**Do cashback portals sell my personal information when I earn Promain cashback through them?**
Cashback portals prioritize user privacy and typically do not sell personal information when users earn cashback through them.

**What should I do if my Promain cashback is lower than expected or missing?**
If you believe your cashback is lower than expected or missing, you can reach out to the cashback portal's customer support for assistance.

**Can I earn Promain cashback on returned or canceled purchases?**
Cashback may be reversed or voided if the purchase is returned or canceled, so it's advisable to check the policies of the cashback portal.

**Are there any restrictions on earning Promain cashback for international purchases through cashback portals?**
Cashback portals may have restrictions or differences in cashback rates for international purchases, so it's recommended to review the terms.

**Do I need to link a payment method to earn Promain cashback through cashback portals?**
Most cashback portals do not require users to link a payment method, but it's advisable to review the specific requirements of each portal.

**Can I earn Promain cashback on purchases made with a gift card through cashback portals?**
Earning cashback on purchases made with gift cards may be restricted by some cashback portals, so it's important to check the terms.

**Can I combine multiple cashback offers to earn more Promain cashback through cashback portals?**
In most cases, you cannot combine multiple cashback offers on the same purchase, so it's recommended to choose the best offer for maximum cashback.

**How can I maximize my earnings of Promain cashback through cashback portals?**
To maximize earnings, consider using cashback portals for all eligible purchases, staying informed about promotions, and being mindful of terms and conditions.

**Are there any risks or drawbacks to earning Promain cashback through cashback portals?**
While cashback portals are generally safe and reliable, there may be occasional issues with tracking, so it's advisable to stay informed and proactive.

## Related

- All stores index (HTML): https://www.gotcashback.co.uk/Stores/
- Site index for agents: https://www.gotcashback.co.uk/llms.txt

---
*Machine-readable metadata*

```json
{
  "type": "CashbackStoreOffer",
  "store": "Promain",
  "canonical": "https://www.gotcashback.co.uk/Stores/Promain/",
  "lastUpdated": "2026-09-06T11:46:40Z",
  "bestRate": {
    "advertised": "4 Avios / \u00A31",
    "effectivePercent": 4,
    "tiered": false,
    "portal": "British Airways eStore",
    "portalUrl": "https://www.gotcashback.co.uk/Portals/british-airways-us/",
    "clickUrl": "https://www.gotcashback.co.uk/Click/british-airways-us/Promain/"
  },
  "portalCount": 3,
  "portals": [
    {
      "name": "British Airways eStore",
      "rate": "4 Avios / \u00A31",
      "effectivePercent": 4,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.co.uk/Click/british-airways-us/Promain/"
    },
    {
      "name": "Vueling eStore",
      "rate": "4 Avios/\u00A31",
      "effectivePercent": 4,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.co.uk/Click/vueling/Promain/"
    },
    {
      "name": "Aer Lingus eStore",
      "rate": "4 Avios/\u00A31",
      "effectivePercent": 4,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.co.uk/Click/aerlingus/Promain/"
    }
  ]
}
```