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Update: Some offers mentioned below are no longer available. View the current offers here – Gold Delta SkyMiles® Credit Card from American ExpressGold Delta SkyMiles® Business Credit Card from American ExpressPlatinum Delta SkyMiles® Credit Card from American Express,  Platinum Delta SkyMiles® Business Credit Card from American Express

The elevated welcome bonuses currently available on four Delta Amex cards are about to end: You only have until September 19 to apply and earn up to 70,000 SkyMiles by meeting the minimum spending requirements.

Gold Delta SkyMiles Cards

The Gold Delta SkyMiles® Credit Card from American Express and the Gold Delta SkyMiles® Business Credit Card from American Express are both currently offering new cardholders 60,000 miles when they spend $3,000 in the first four months. That’s double the miles you’ll get with the cards’ standard welcome bonus.

Based on TPG’s valuations, 60,000 Delta miles are worth $720. Both of these cards have a $95 annual fee that’s waived the first year, and benefits include a free checked bag, priority boarding and 20% off in-flight purchases. The cards earn 2x miles on Delta purchases, and 1 mile per dollar on everything else.

Platinum Delta SkyMiles Cards

The more premium Platinum Delta SkyMiles® Credit Card from American Express and Platinum Delta SkyMiles® Business Credit Card from American Express are offering elevated bonuses of 70,000 SkyMiles and 10,000 Medallion Qualification Miles (MQMs) when you spend $3,000 in the first three months. Those 70,000 miles are worth $840 based on TPG’s valuations.

The cards each have a $195 annual fee that isn’t waived the first year, but you get more benefits in return. For one, if you’re working toward Delta elite status, extra MQMs can come in handy. And in addition to the 10,000 MQMs you’ll earn from the welcome bonus, there’s also the option to spend your way to even more: 10,000 MQMs (and 10,000 redeemable miles) after you spend $25,000 on the card in a calendar year, plus 10,000 more MQMs and redeemable miles after you spend a total of $50,000 in the same year.

The Platinum Delta Amex cards also come with a companion certificate, awarded each year after your account renewal. The certificate is good for round-trip, main cabin domestic travel, and is free save for taxes and fees. It can be a great way to save on airfare, especially if you’re traveling with family. The Platinum Delta cards also offer the same earning rates and Delta benefits (like priority boarding) as the Gold Cards.

Bottom Line

The current elevated offers for the Gold and Platinum Delta SkyMiles cards will expire on September 19, so make sure to apply by then if you’re on the market for additional Delta miles. While Delta SkyMiles often get a bad rap — especially since the airline stopped publishing an award chart and award pricing in premium cabins can reach astronomical levels — there are still pockets of value in the program, such as cheap domestic economy awards and frequent flash award sales.

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