24 months after your last qualifying activity. Since 4 May 2026 any activity extends the whole balance. Elite members are exempt.
Log in at flyingblue.com. The account overview shows your Miles balance and how long they stay valid. If you can't see it, use the date of your newest earning in your activity list.
Earn at least 1 mile within 24 months: the Flying Blue shopping portal, a partner hotel or car rental, an Air France KLM Amex card or a Flying Blue miles subscription. Buying or redeeming miles does not count.
We estimate Air France KLM Flying Blue miles at 1.3 US cents each when used for travel, based on One Mile at a Time's 2026 valuations. Letting them expire is like losing this much money:
| Balance | Euro | US dollar |
|---|---|---|
| 5,000 miles | €58 | $65 |
| 10,000 miles | €117 | $130 |
| 25,000 miles | €292 | $325 |
| 50,000 miles | €584 | $650 |
| 100,000 miles | €1,168 | $1,300 |
Add it in under a minute. See what it's worth, when it expires, and get calendar reminders 90, 30 and 7 days before. No sign-up, no passwords. Your data stays on your device.
Yes, after 24 months without qualifying activity. 24 months after your last qualifying activity. Since 4 May 2026 any activity extends the whole balance. Elite members are exempt.
Log in at flyingblue.com. The account overview shows your Miles balance and how long they stay valid. If you can't see it, use the date of your newest earning in your activity list.
Earn at least 1 mile within 24 months: the Flying Blue shopping portal, a partner hotel or car rental, an Air France KLM Amex card or a Flying Blue miles subscription. Buying or redeeming miles does not count.
About €117 ($130) when used for travel, based on an estimate of 1.3 US cents per point. What you actually get depends on how you redeem them.
Checked 15 November 2026. Found something out of date? The program's own terms always win.