Miles aren't transferable between airlines, even if they're in the same alliance. However, you can use your Delta Airlines Skymiles to book KLM flights & vice versa.
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Your miles are good for so much more than just flights. Turn them into everything from a premium drink at Delta Sky Club to seat upgrades on your next flight. Plus, you can use your miles for Delta Gift Cards, vacation packages and more.
To sell your Delta SkyMiles, you will typically need to create an account with the marketplace and provide your SkyMiles account information. The marketplace will then assess your miles and provide you with a quote. Once you accept the quote, the marketplace will purchase your miles and send you the cash proceeds.
For flights marketed and operated by Air France, Mileage Upgrade Awards may be used on the following paid fare classes: W, S, A, Y, B, or M. For flights marketed by Delta and operated by Air France Mileage, Upgrade Awards may be used on the following paid fare classes: P, A, G, Y, B, or M.
Under the SkyMiles Mileage Expiration policy, miles do not expire. Delta reserves the right to deactivate or close an account under the following circumstances: Fraudulent activity occurs. A Member requests an account closure.
Can I transfer or combine frequent flyer miles between SkyTeam member frequent flyer programs for reward tickets? The frequent flyer programs within SkyTeam are independent and miles earned cannot be combined.
For all levels of elite status, members can only access Sky Clubs within three hours of scheduled departure or on arrival. Oddly enough, SkyTeam Elite Plus members associated with other airlines can still access Delta Sky Clubs in Main Cabin or Comfort+ before an international flight.