How Do I Upgrade to Business Class on KLM?

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You can upgrade your Basic Economic ticket to Business Class or World Business Class on KLM or Air France airlines flights. The fee to make an upgrade is based on the ticket fare. If you have upgraded your KLM booking using your Blue Credits, you can book a flight five days before the scheduled flight departure. When your flight check-in starts, then you can make an upgrade.

How Do I Upgrade to Business Class on KLM?
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How Do I Upgrade to Business Class on KLM?

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