eBay has a great selection of cheap vintage clothing from brands like Karl Lagerfeld, Adrianna Papell, Kenneth Cole, and Levi's. eBay's selection of products changes every day according to new listings and sales, but there are currently 274,000 pieces of vintage clothing for women, 55,100 for men, and 13,500 for kids that all cost less than $20.

Check out the Pre-Owned section of Farfetch to find cheap designer vintage items from the world's top brands, like Miu Miu, Versace, and Givenchy. Items start at just $102 and go up to $111,000, including dresses, coats, jewelry, shoes, and more, and there are more than 1,100 items for $300 or less.

The RealReal has a great selection of cheap vintage clothing for both men and women from brands like Versace, Carolina Herrera, Salvatore Ferragamo, Yves Saint Laurent, and Valentino, for example. This collection includes tops, skirts, pants, shirts, blazers, and dresses that range from $13 to $12,000, including sale items that are marked up to 75% off the original price.

All the best deals on vintage women's clothing like dresses, pants, skirts, and tops can be found in the Final Sale and Under $50 sections of this site. Items vary greatly in price depending on the category that you're looking at, but in the Final Sale section, you can find clothes that are marked up to 60% off the original price.

Shop for cheap vintage clothing at Garmentory, where you'll find items for both men and women when you look under the Vintage + Pre-Loved section. Some items that you'll find include t-shirts, shorts, dresses, shirts, and accessories that range from $30 to $4,900, including many items that cost $50 or less.

In the ASOS Marketplace, you can shop for vintage clothing from boutiques from around the world. You'll find items like vintage dresses, t-shirts, jackets, tops, and so much more that start at $5 and go up to $1,612, including 440 items that cost $20 or less.

Shop at Verge Girl for cheap women's vintage clothing including vintage Levis jeans & shorts, and old-school t-shirts. Buy a vintage t-shirt for $71, a pair of vintage shorts for $87, and a pair of Levis jeans for $103.

Vanessa Mooney has a great selection of cheap vintage clothing for women that has a cool, bohemian feel. Within this collection, you'll find dresses that start at $75, boots that are as low as $150, and shoes that are just $55.

Urban Outfitters has a large collection of vintage clothing for both men and women which will give your wardrobe a fresh, retro feel. Items like t-shirts, tops, shorts, and accessories start at just $8 and go up to $315, including more than 30 items that cost $25 or less.