Do Air France/KLM Flying Blue Miles Expire? (2026 Guide)

Yes, Air France/KLM Flying Blue miles expire.

If you have no qualifying activity on your account for 24 months, you will lose your entire balance. However, unlike many other airline programs, Flying Blue has a complex "two-bucket" rule that determines how you can extend them.

If you don't understand the difference between Flight Miles and Partner Miles, you could accidentally let your hard-earned points expire—even after transferring new points in.

This guide explains exactly how the policy works, how to check your expiration date, and the specific actions required to keep your miles safe in 2026.

The 24-Month Rule Explained

In short: You must have a qualifying "extending activity" at least once every 2 years.

If your miles expire, they are gone. Air France does not officially sell a "reinstatement" package, so prevention is your only guaranteed option.

How to Check Your Expiration Date

1. Log in to your account at flyingblue.com.
2. Navigate to "My Miles" or your dashboard.
3. Look for the "Valid Until" date under your mile balance.

Note: If you see two different expiration dates, it means you have a mix of "Flight Miles" and "Partner Miles." Pay close attention to the earliest date.

The "Two-Bucket" System: Why Users Lose Miles

This is the most important part of the Flying Blue policy.

Flying Blue categorizes your miles into two distinct buckets based on how they were earned. The expiration rules differ for each.

1. Flight Miles (The Strict Bucket)

These are miles earned by actually flying on Air France, KLM, or SkyTeam partners (like Delta or Virgin Atlantic).

• Expiration Rule: 24 months from the flight date.
• How to Extend: You MUST take another eligible flight or use a co-branded credit card.
• Warning: Transferring bank points (Amex/Chase/Capital One) will NOT extend Flight Miles.

2. Partner Miles (The Flexible Bucket)

These are miles earned through credit card transfers, car rentals, hotel stays, or shopping portals.

• Expiration Rule: 24 months from the activity date.
• How to Extend: ANY activity extends these miles. You can fly, use a credit card, OR transfer more points from a bank.

The "Infection" Rule

If you have a mix of both, the rules can get murky. Generally, taking a flight extends EVERYTHING. However, doing a "Partner Activity" (like a transfer) usually only extends your Partner Miles, leaving your Flight Miles at risk of expiring.

Cheat Sheet: What Extends What?

How to Extend Your Flying Blue Miles

Depending on which "bucket" your miles fall into, choose one of the following methods to reset your 24-month clock.

Method 1: Fly (The Gold Standard)

Best for: Extending all miles (Flight & Partner).

Taking a paid flight on any eligible airline extends your entire mileage balance for 2 years from the flight date.

• Eligible Airlines: Air France, KLM, Transavia, Aircalin, and all SkyTeam partners (Delta, Virgin Atlantic, Korean Air, etc.).
• Crucial Detail: You must credit the miles to your Flying Blue account. Even a short, cheap one-way flight (e.g., Delta from NYC to Boston) counts.

Method 2: Use a Co-Branded Credit Card

Best for: "Set it and forget it" extension.

If you hold a Flying Blue co-branded credit card, every single purchase extends the validity of all your miles (both Flight and Partner) for 2 years from the transaction date.

• USA: Air France KLM World Elite Mastercard® (Bank of America)
• Europe: American Express Flying Blue (France/Netherlands)

Method 3: Transfer Bank Points

Best for: Extending Partner Miles only.

If your balance consists only of points you transferred from Amex, Chase, Citi, or Capital One, you can extend them easily.

• Action: Transfer the minimum amount (usually 1,000 points) from your bank to Flying Blue.
• Result: The expiration date for your Partner Miles resets for 24 months.
• Warning: As noted above, if you have Flight Miles in your account, this transfer might not save them.

Can I Get Expired Miles Back? (The "Hail Mary")

If your miles have already expired, don't panic yet. While there is no official "Pay to Reinstate" button, there is an unofficial method that often works for members who act quickly.

The "Retroactive Credit" Strategy:

1. Call Flying Blue Customer Service immediately.
2. Ask if they can offer a "validity extension challenge."
3. Often, agents will agree to reinstate your miles IF you book and fly a qualifying Air France/KLM flight within the next 3 months.

Pro Tip: Be polite but persistent. If the first agent says no, hang up and call again. I have personally seen members recover 50,000+ miles using this method within a week of expiration.

Summary Checklist

To ensure you never lose your Flying Blue miles:

• Check your "Valid Until" date in the dashboard today.
• If you have Flight Miles, book a cheap SkyTeam flight or use the co-branded card.
• If you have Partner Miles, transfer 1,000 Amex/Chase points to reset the clock.
• Don't wait until the last day. Transfers can be instant, but system glitches happen. Aim to extend at least 7 days before expiration.

Disclaimer: Loyalty program terms change frequently. Always verify the latest rules directly on the official Flying Blue website.