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You can earn up to 100,000 miles toward your next trip with the current Delta credit card welcome offers. Getty Images

• Delta credit cards are running elevated welcome bonuses from now through November 9.
• You can earn up to 100,000 miles, with the high-end Delta SkyMiles® Reserve Business American Express Card. 
• This latest batch of limited-time offers even includes the Delta SkyMiles® Blue American Express Card, with no annual fee.
• See Insider's guide to the best airline credit cards.

If you could use some more Delta miles, now is a great time to consider opening a co-branded Delta credit card from American Express. Now through November 9, seven cards are offering elevated welcome bonuses of up to 100,000 miles. Amex is an Insider partner.

According to Insider's valuations, these bonuses are worth between $110 and $1,100 in flights, depending on which one you open: 

• Delta SkyMiles® Blue American Express Card — 10,000 bonus miles after spending $1,000 in purchases on your new card in the first 6 months from account opening, worth about $110 in flights
• Delta SkyMiles® Gold American Express Card — 65,000 bonus miles after you spend $2,000 in purchases on your new card in your first 6 months (offer ends 11/9/22), worth about $715 in flights
• Delta SkyMiles® Platinum American Express Card — 80,000 bonus miles after you spend $4,000 in purchases on your new card in your first 6 months, worth about $880 in flights
• Delta SkyMiles® Reserve American Express Card — 95,000 bonus miles after you spend $6,000 in purchases on your new card in your first 6 months (offer ends 11/9/22), worth about $1,045 in flights
• Delta SkyMiles® Gold Business American Express Card — 70,000 bonus miles after spending $3,000 in purchases on your new card in your first 3 months of card membership (offer ends 11/9/22), worth about $770 in flights
• Delta SkyMiles® Platinum Business American Express Card — 85,000 bonus miles after spending $4,000 in purchases on your new card in your first 3 months of card membership (offer ends 11/9/22), worth about $935 in flights
• Delta SkyMiles® Reserve Business American Express Card — 100,000 bonus miles after spending $6,000 in purchases on your new card in your first 3 months of card membership (offer ends 11/9/22), worth about $1,100 in flights

Amex only allows you to earn the welcome bonus for each of its cards once per lifetime. So if you've had one of the above cards before, you're not eligible to earn a welcome bonus again. Because of this rule, it's good to wait until the bonuses are at their highest — and now's that time.

We're focused here on the rewards and perks that come with each card. These cards won't be worth it if you're paying interest or late fees. When using a credit card, it's important to pay your balance in full each month, make payments on time, and only spend what you can afford to pay.

Delta Amex credit card increased offers

Amex Delta credit cards give you the ability to use Delta miles in a way that non-cardholders can't. They unlock a feature called Pay With Miles, making your points worth a flat 1 cent each to book Delta airfare. This is a great feature if you don't want to worry about blackout dates or award availability.

However, Insider estimates that Delta miles are worth 1.1 cents each, on average, when booking award flights. And if you know the best ways to use Delta miles, you can get significantly more value. Read our guide to maximizing Delta miles to better understand the capability of these card bonuses.

Delta SkyMiles Blue American Express Card

The Delta SkyMiles® Blue American Express Card is the entry-level personal Delta credit card, with a $0 annual fee and, unsurprisingly, fewer benefits than the higher-end cards.  The welcome bonus is currently 10,000 bonus miles after spending $1,000 in purchases on your new card in the first 6 months from account opening. That's worth $110 based on Insider's valuation of Delta miles.

The card's main draw is the ability to earn Delta miles on every purchase: 2x miles on Delta purchases, at restaurants worldwide, and on takeout and delivery in the US, and 1 mile per dollar on everything else. The card also offers a 20% savings on inflight Delta purchases (in the form of a statement credit after you use your card on eligible Delta inflight purchases of food, beverages, and audio headsets).

Read our review: Delta SkyMiles Blue American Express Card review

Delta SkyMiles Gold American Express Card

One step up is the Delta SkyMiles® Gold American Express Card, which has a standard welcome bonus of 40,000 miles after meeting minimum spending requirements. Now, you'll receive 65,000 bonus miles after you spend $2,000 in purchases on your new card in your first 6 months (offer ends 11/9/22). That's $330 more valuable than the previous bonus, per Insider's valuations.

With an annual fee of $0 intro for the first year, then $99, this card is great for occasional Delta flyers. It comes with a free first checked bag on Delta flights for you and up to eight companions on your reservation. This can save $60 per person per round-trip — so if you and a travel buddy check bags on Delta for even one trip per year, this benefit alone will more than offset the annual fee. 

Other benefits include priority boarding for you and companions on your reservation, a $100 Delta flight credit after you spend $10,000 on the card in a calendar year, a 20% discount on inflight purchases, and no foreign transaction fees.

Read our review: Delta SkyMiles Gold American Express Card review

Delta SkyMiles Platinum American Express Card

The Delta SkyMiles® Platinum American Express Card is the next step up from the Delta SkyMiles® Gold American Express Card, with better benefits and a higher $250 annual fee.

This card's previous bonus was 50,000 miles and 5,000 Medallion Qualification Miles (MQMs) after meeting minimum spending requirements. You'll now earn 80,000 bonus miles after you spend $4,000 in purchases on your new card in your first 6 months — an estimated value increase of $440.

The standout benefit of the card is its annual companion certificate, awarded after each account anniversary. When you reserve a coach flight for yourself within the continental US, you'll get a second ticket for only the cost of taxes and fees (usually very cheap). If you'll use this benefit each year, the card is worth the annual fee.

You'll receive the same checked bag, priority boarding, and inflight discount privileges as the Delta Gold card. You'll also get a Global Entry or TSA PreCheck application fee credit of up to $100 and discounted Delta Sky Club lounge access.

Read our review: Delta SkyMiles Platinum American Express card review

Delta SkyMiles Reserve American Express Card

The Delta SkyMiles® Reserve American Express Card now offers 95,000 bonus miles after you spend $6,000 in purchases on your new card in your first 6 months (offer ends 11/9/22). That's double the miles of the previous card bonus, which was 50,000 bonus miles and 10,000 MQMs after meeting minimum spending requirements. Insider estimates that this current bonus is worth $550 more.

This card comes with a $550 annual fee — but it also offers by far the most value of any Delta credit card:

• Access to Delta Sky Club airport lounges when flying Delta
• Access to Amex Centurion Lounges when you fly Delta and use your card to book the ticket
• 2 Delta Sky Club one-time guest passes each year
• Up to $100 for a Global Entry or TSA PreCheck application fee credit
• Access to complimentary upgrades for non-elite Delta members 

Plus, you'll get upgrade priority over non-cardholders with the same Delta elite status level and fare class grouping. And if you have no Medallion status, you'll get added to the complimentary upgrade list after those with elite status.

Read our review: Delta Reserve American Express card review

Delta SkyMiles Gold Business American Express Card

Even if you only fly Delta once or twice per year, the Delta SkyMiles® Gold Business American Express Card is worth a look. The welcome bonus is 70,000 bonus miles after spending $3,000 in purchases on your new card in your first 3 months of card membership (offer ends 11/9/22). That's 25,000 miles higher than the previous offer, and $275 more valuable, per Insider's valuations.

You'll receive mostly the same perks as the personal Delta SkyMiles® Gold American Express Card, such as a free checked bag, priority boarding, and inflight discounts on Delta flights. You'll even get the $100 Delta flight credit after spending $10,000 on the card in a calendar year.

You'll pay a similar $99 (with a $0 intro for the first year) annual fee, as well.

The most noticeable difference between the personal and business versions is the bonus categories:

• 2 miles per dollar on eligible US purchases for advertising in select media
• 2 miles per dollar on eligible US shipping purchases
• 2 miles per dollar on Delta purchases
• 2 miles per dollar on restaurant purchases

Read our review: Delta SkyMiles Gold Business American Express card review

Delta SkyMiles Platinum Business American Express Card

The Delta SkyMiles® Platinum Business American Express Card is offering a very solid bonus for its $250 annual fee.

The card comes with 85,000 bonus miles after spending $4,000 in purchases on your new card in your first 3 months of card membership (offer ends 11/9/22).

• Free checked bag
• Priority boarding
• Inflight discounts on Delta
• Annual companion certificate

This card isn't the greatest for regular spending, as it only earns 3 miles per dollar on Delta purchases and on purchases made directly with hotels. You'll also earn 1.5 miles per dollar on single eligible purchases of $5,000 or more (up to 50,000 additional miles per calendar year).

Read our review: Delta SkyMiles Platinum Business American Express card review

Delta SkyMiles Reserve Business American Express Card

The badge of highest Delta credit card bonus now belongs to the Delta SkyMiles® Reserve Business American Express Card. You'll earn 100,000 bonus miles after spending $6,000 in purchases on your new card in your first 3 months of card membership (offer ends 11/9/22). That's 50,000 miles higher than the previous offer — and $550 more valuable, per Insider's valuations.

While it's got a $550 annual fee, you'll get access to Delta Sky Club airport lounges when flying Delta and access to Amex Centurion Lounges when you fly Delta and use your card to book the ticket.

The Delta SkyMiles® Reserve Business American Express Card has similar benefits to the personal version, but its earning rates are different. You'll earn 3 miles per dollar for Delta spending, and 1 mile per dollar on everything else. However, after you spend $150,000 on eligible purchases in a calendar year, you'll earn 1.5 miles per dollar for the remainder of the calendar year.

Read our review: Amex Business Delta Reserve card review

Do you qualify for these bonuses?

There are a few American Express card rules you should know about before you decide to apply for one of these offers.

If you've ever opened one of these cards before, you won't be eligible to earn the bonus again. You can only earn one card bonus per lifetime. However, each card is considered its own product, so even if you've opened the Delta SkyMiles® Gold American Express Card, you can still earn the bonus from the Delta SkyMiles® Platinum American Express Card or the Delta SkyMiles® Gold Business American Express Card. 

Also, American Express limits the total number of cards you can have. If you've got a wallet full of Amex cards already, you may not be approved. Read our guide to credit card application rules and restrictions to find out more.