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Whistles Discount Codes

Up to 50% off

5 out of 5 stars from 1 votes

Whistles offers all wardrobe essentials for the modern and dynamic woman. They collaborate with renowned fashion brands and designers to provide the latest styles. You can shop for comfortable and stylish workwear and casual clothing at great prices. If you have a wedding coming up or an important event, check out their breathtaking range of wedding dresses and bridesmaids’ gowns. Look chic without spending a fortune by using Whistles discount codes.

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Up to 50% off in the Sale at Whistles

Valid until further notice

Score 20% off Linen

Valid until further notice

20% off Knitwear & Coats at Whistles

Valid until further notice

Get 20% off Shoes at Whistles

Valid until further notice

Take 20% off Jumpsuits at Whistles

Valid until further notice

Grab 15% off with Friend Referral at Whistles

Expires on 31/12/2026

Get 15% off with UNiDAYS at Whistles

Expires on 31/12/2026

Grab 15% off for Key Workers at Whistles

Expires on 31/12/2026

15% off for Students at Whistles

Expires on 31/12/2026

Grab 15% off Knitwear Orders at Whistles

Valid until further notice

Score 15% off with Newsletter Sign-Up

Expires on 31/12/2026

Up to 30% off at Whistles

Expires today

Save at Whistles - Free Click & Collect on Orders

Expires on 31/12/2026

Free Returns on Orders at Whistles

Verified earlier today

Free Delivery on Orders at Whistles

Expires on 31/12/2026

30 day statistics: 7 New deals added • 0 tested manually • Last modified on 31/05/2026

Test These Whistles Discount Codes & Deals which just expired

Sometimes these Whistles vouchers still work after they expire.

Take 25% off in the Black Friday Sale at Whistles

£40 off Orders with this Whistles Discount Code

Take 20% off Trousers at Whistles

Get 20% off Dresses at Whistles

20% off Petite Clothing with this Whistles Deal

20% off Jackets with this Whistles Deal

20% off with this Whistles Deal

Take 20% off New Arrivals at Whistles

Grab 20% off Spring Jackets at Whistles

Get Extra 15% off at Whistles - Sale Items

Score 15% off Sale Dresses

Promo codes you might also enjoy

Limited Time Only: 30% off

Valid until further notice

Editor's Pick: 10% off Orders

Last verfied on 26 May 2026

23% off Full Price Styles

Expires on 31/12/2026

Save Now: 20% off

Valid until further notice

Information and advice about this shop

Whistles logo

The best ways to save at Whistles

A fashion hub for the busy woman, Whistles sells contemporary and timeless pieces that fit comfortably and slot seamlessly into your life – ideal for upping your everyday look. Enjoy major deals from the London-based brand with our money-saving tips and tricks...

Our favourite saving hacks

  • Discount codes: Use our Whistles discount codes to get a 20% discount on newly released items.

  • Outlet: Whistles has deals that run throughout the year, bringing you as much as £40 off!

  • Vouchers: Enjoy a 25%-off bargain on all Whistles purchases using our Whistle vouchers.

  • Blue Light discounts: NHS staff get to enjoy 20% off their orders by using the Blue Light card as a thank you for their service.

Whistles seasonal sale events for your calendar

  • Whistles summer sale: Spice up your summer look with timeless pieces from Whistles. Take advantage of the Whistles summer sale and get a 50% discount on various clothes and accessories.

  • Whistles Black Friday sale: Turn heads with a new wardrobe. Take advantage of the Whistles Black Friday sale and get up to 25% off your purchase.

  • Whistles winter sale: Get ready for the cold weather with knitwear essentials. Enjoy savings of up to 70% on winter must-haves.

The best Whistles online discounts and how to use them

You can always find deals and discounts on the Whistles website throughout the year to make the most of your shopping.

Redeeming your discount codes

Get fashionable and timeless pieces without breaking the bank by using our Whistles discount codes. Just follow the steps below:

  1. Scroll through the Whistles discount codes and select one that suits you.

  2. Copy the code.

  3. Browse through the endless options of timeless pieces and pick your favourites.

  4. Add your favourite picks to your shopping cart.

  5. Proceed to the checkout page.

  6. Verify your delivery and payment details.

  7. Locate the voucher code box and paste your code.

  8. Click 'apply'. The code will apply automatically so you can enjoy your discount.

Questions to ask if your Whistles voucher code is not working:

  • Was there an error when entering your discount code? Mistakes when entering your discount code will render it invalid. Instead of typing the code out yourself, copy and paste it to avoid errors. Avoid spaces before and after the code.

  • Is your voucher expired? Expired codes are are invalid and unusable. Confirm the validity by checking the expiry date of your code.

  • Have you read the terms and conditions of your code? Check whether your code applies to new users or existing customers – or perhaps it requires a minimum spend?

  • Is your code product-specific? Check if your discount code can be used on all products before redeeming.

How to find year-round discounts

Head to the "sale" section of the website to see what discounted items Whistles are selling at the moment – they tend to have some kind of sale all year round!

The sales section is sure to give you plenty of deals – try the ‘last chance to buy’ or 'clearance' sections for savings of up to 50% on your favourite fashion finds.

Discounts for existing customers

Existing Whistles customers needn't miss out! You can currently take advantage of two promotions live on our website at once.

Discounts for new customers

Whistles gives discounts to new customers too! There are three new-customer promo codes available right now. 

Whistles next-day delivery

The Whistles next-day delivery service is only available for orders placed before 2pm from Monday through to Thursday. Next-day delivery costs £6 per order.

Discounts for your birthday

There are currently no birthday discounts available.

Subscribing to a newsletter

While Whistles does not offer a welcome discount, its newsletter is a wonderful source of information on current trends and special offers.

Gift cards

Whistles gift cards are a thoughtful, fashionable gesture for any woman in your life – whether your mum, sister, partner, friend or colleague. Gift cards are redeemable online and in any physical location, with values ranging from £20 to £200.

App discounts

Whistles do not have app discounts at this time.

Additional helpful information

Returns

  • If you are not totally happy with your order, you have 28 days to return it to Whistles.

  • You can either return it in-store or through the free collect+ service found at the bottom of the returns page.

  • Please allow 14 working days for the distribution centre to receive and process returns from the date of posting.

  • Please note that the refund may take up to three days to arrive in your account.

  • Whistles advise all customers to mark their packages with a ‘return to sender' address in case government restrictions on courier services are applied.

  • Items must be unused, in original condition, and in re-sellable condition to be eligible for a refund. Whistles are unable to refund or exchange face masks or earrings for pierced ears subject to sanitary considerations. Any returns will be invalidated if you remove any do not-remove labels.

  • Gift cards cannot be reimbursed.

  • Wedding gowns and children's clothing can only be returned to the warehouse by post, Collect+ or to the flagship Whistles store in London, St Christopher’s Place.

  • International buyers can return their products to their local postal service at their own expense.

Price match policy

Unfortunately, Whistles currently does not have a price match policy available.