DEAL
DealBuy now, pay later with Klarna
Klarna is offered as a buy-now-pay-later option on the US storefront.
Financing
Verified· 6d ago
Triangl US promo codes for October 2026
We confirm every code and deal on this page on Triangl US's own pages and in posts about it, and each says when. 3 of 3 still work — the rest are listed below with the date they stopped.
Last checked 6 days ago
2 working codes
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Working Triangl US codes today
- FREECode
Free shipping storewide
SitewideNot yet verifiedBLAC•••25 - FREECode
Free shipping storewide
SitewideNot yet verifiedBLAC•••24
Shopper reports this week
0
reports, 7 days
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worked
0
codes retired
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Triangl US prices worth acting on
Prices read 21 Oct 2026 from Triangl US's deals page
Neoprene bikini set
VINCA
$135
A neoprene triangle bikini with five colours to suit your style.
See it on Triangl US
Crop bikini set
MIMA
$135
A neoprene crop bikini with a sporty, supportive fit for active days.
See it on Triangl US
Balconette bikini set
MALA
$135
A neoprene balconette bikini with lift and support for sunny days.
See it on Triangl US
Bikini shorts
FREDY
$85
Matching bikini shorts that pair with the sets in the same print.
See it on Triangl USWhen Triangl US actually discounts
Our estimate of when Triangl US's biggest discounts of the year happen, month by month. November is the month to wait for.
54%of Triangl US's biggest discounts happen in November
Share of biggest discounts by month (%)
How to apply a code at Triangl US
- 1
Copy the code above
Start with the one verified most recently, not the biggest number.
- 2
Go to the checkout page
Open the cart page and proceed to checkout. The promo code field is on the checkout page, not in the cart.
- 3
Enter the code and apply it
Type your code into the promo code field. Then click the apply button.
- 4
Check the total dropped
If Triangl US shows "Enter a valid discount code or gift card", the code did not work — tell us, and a code shoppers report as failing moves to the bottom of the list.
Everything else worth knowing before you buy
- Returns
- Triangl charges a $20 return postage fee and a $20 administration fee when orders are returned due to incorrect addresses or duty refusals. Duties and taxes are non-refundable on returns for most shipping destinations.
- Best month to buy
- November — about 54% of Triangl US's biggest discounts of the year fall in it, by our estimate.
- Payment
- Triangl accepts Klarna, offering Pay Later within 30 days, Pay in 3 instalments, and Pay in 4 instalments, all interest-free. AfterPay is also available as a payment option in Australia.
- Customer service
- Triangl US offers customer service via Chat Now, email at [email protected], or by filling out the Contact Us Form.
Triangl US sale calendar
Our estimate of when Triangl US's biggest discounts of the year happenIn 3 weeks
Singles' Day Sale
11.11 online shopping event with sitewide offers.
8% of its biggest discounts
In 5 weeks
Black Friday Sale
The day-after-Thanksgiving kickoff of the holiday shopping weekend.
32% of its biggest discounts
In 6 weeks
Cyber Monday Sale
Online-only deals the Monday after Thanksgiving.
13% of its biggest discounts
In 2 months
Christmas Sale
Festive-season offers over the Christmas period.
6% of its biggest discounts
Triangl US coupon questions
5 questions people actually ask us.
Will I have to pay extra duties and taxes on a Triangl US order?
Duties and taxes are calculated at checkout based on the items, where they were made, the destination and the order value, and are added to your order total. You will not be charged additional duties and taxes on delivery unless you choose to pay them then or you are in a country where they are payable on delivery.
How much is shipping on Triangl US orders?
Express Shipping is a flat rate of the equivalent of USD$20 per order, excluding duties and taxes. Express Shipping within Australia is a flat rate of AUD$10 excluding GST.
Can I pay later with Klarna at Triangl US?
Yes, Klarna Pay Later lets you pay for your order within 30 days with no fees or interest. You can also choose to pay in three or four interest-free instalments, though this option is not available in all countries.
Is AfterPay available at Triangl US?
AfterPay is offered as a payment option in Australia.
How do I contact Triangl US customer service?
Select Chat Now on the FAQ page to speak with a Customer Service Agent, or fill out the Contact Us Form. You can also email [email protected].
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Triangl US and the Triangl US logo are trademarks of their owner, shown here solely to identify the store and its offers. Couponly is an independent service and is not affiliated with, endorsed by, or sponsored by Triangl US. We may earn a commission when you shop through our links. See our Terms.