216€ Geräte-Rabatt auf Samsung Galaxy S26 Ultra
DealValid until 31/12/2026
Vouchers
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congstar vouchers September 2026
congstar.de11 live vouchers for congstar.
Next code expires on 31/12/2026
234€ Geräte-Rabatt auf iPhone 17 Pro im Allnet Flat M
DealValid until 31/12/2026
40€ Wechselbonus auf Prepaid Allnet M mit 5G
DealValid until 31/12/2026
50€ auf Bereitstellungspreise für alle Tarife sparen!
DealValid until 31/12/2026
Freunde werben und bis zu 50% Rabatt erhalten!
DealValid until 31/12/2026
Jetzt keinen Bereitstellungspreis auf Allnet Flat Tarife zahlen
DealValid until 31/12/2026
Jetzt mehr GB auf alle congstar Postpaid Tarife sichern!
DealValid until 31/12/2026
Spare 5€ auf Deine Routermiete!
DealValid until 31/12/2026
congstar Zuhause abschließen & bis zu 200€ Bonus erhalten
DealValid until 31/12/2026
iPhone 17 mit Allnet Flat M 100 GB jetzt 38€ monatlch
DealValid until 31/12/2026
iPhone 17 mit Allnet Flat M 100 GB jetzt 38€ monatlich
DealValid until 31/12/2026
Codes are collected automatically and not individually verified by us. Whether a code still works only shows at congstar checkout.
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1Prices checked against the list price
We compare every deal price with the marketplace's current list price for that item. Offers whose price we cannot confirm never appear in the discount-sorted lists at all.
2Refreshed every five minutes
Our data is re-read every five minutes, so the prices and discounts on this page are at most five minutes old.
3We do not check codes one by one
The codes are collected automatically. Whether one still works shows up in the shop's basket, not here. The deals below them do go through our price check.
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Frequently asked questions
How do I redeem a voucher code?
Copy the code, add the products to your basket in the shop, and paste it into the voucher field before paying.
Why is the code not working?
Usually it has expired, does not apply to the products in your basket, or the minimum order value has not been met. We do not check codes one by one — whether one still applies shows up in the basket.
Can I combine several codes?
Generally not. Most shops accept only one voucher code per order.
Where do the offers on this page come from?
The voucher codes are collected automatically. The deals below them come from Amazon and our partner feeds and go through our price check.