Air France / KLM Flying Blue’s monthly Promo Rewards came out over the weekend for March 2025 booking and there are numerous US cities available in this round, including Seattle, Austin, Washington DC, Detroit and Boston. As is typically the case, the US cities included are available in economy class. Ottawa, Canada is included for business class flights.
The Deal
- Flying Blue Promo Rewards are out for March 2025. Book by March 31, 2025 for travel through August 31, 2025. This time, US cities available (all in economy class only) include:
- Austin
- Boston
- Detroit
- Seattle
- Washington, DC (IAD)
- Direct link to this deal
Key Terms
- Book by March 31, 2025
- Travel through August 31, 2025
Quick Thoughts
With this deal, you can book economy class awards from 18,750 miles one-way, though keep in mind that “from” does not mean that price will be available every day (particularly during the summer). Still, you can indeed find the promo pricing at least some of the time.
As you can see above, Promo Rewards can be changed or cancelled for 70 Euro, the same as regular economy class awards, though you will of course be on the hook for any fare difference if you change.
If the promo pricing here feels a bit higher than it has in the past, that’s because Flying Blue raised redemption rates a few months ago. Even still, there are certainly some good deals to be had.

I’m guessing there’s no way to upgrade to business if you use miles to buy economy…
Just paying 70 Euro to change plus the difference in miles for whatever a business class award costs — so you’re better off saving the 70 Eur and just looking for a business class award :-).
i have paid for a cash upgrade at the check in counter with a economy award seat to business class.
what did it cost ?