How to Transfer Citi Points to Air France-KLM Flying Blue (2026 Guide)

Flying Blue is the joint loyalty program of Air France and KLM, and it's the most useful SkyTeam currency for US-based Citi cardholders because it also books Delta metal, ITA Airways, Kenya Airways, and a long list of smaller regional partners like Air Europa and SAS. That breadth matters more than it would in Star Alliance or Oneworld, since Flying Blue lets a single transfer reach three genuinely different networks: Air France/KLM's own long-haul routes out of Paris and Amsterdam, Delta's US domestic and transatlantic schedule, and a handful of partner sweet spots that don't get much attention.

The program is worth learning specifically because it rewards research over reflexive transfers. Unlike a fixed chart where 60,000 miles always buys the same business-class seat, Flying Blue's dynamic pricing means the same route can cost 45,000 miles one week and 90,000 the next. Citi ThankYou Points move to Flying Blue instantly, so the winning move is to find the price you want first, then transfer exactly what it costs.

Flying Blue has no published award chart. Every fare is generated in real time based on route, cabin, how far out you're booking, and how much demand Air France-KLM's revenue-management system is seeing for that departure. That means the only reliable way to know what a trip costs is to search live dates in Flying Blue's own calendar or on airfrance.us/klm.com — a number quoted from a blog post or a prior trip is a starting point, not a promise.

Layered on top of dynamic pricing is Promo Rewards, a rotating monthly list that discounts a set of routes by a flat 25% off Flying Blue's standard fare in Economy, Premium Economy, or Business. In July 2026, for example, the list covered transatlantic Economy from more than a dozen North American cities at 18,750 miles one-way (25% off the standard 25,000-mile rate), plus Premium Economy from cities like Los Angeles at 30,000 miles, and — unusually for a US route — Business class between New York and Europe discounted to 45,000 miles one-way. The catch: the discount only applies to Flying Blue's lowest available fare bucket, not to dynamically priced segments that are already selling above the floor — so Promo Rewards helps most when saver-level space is actually open.

Search before you transfer. Because pricing moves daily, confirm the exact fare on your dates in Flying Blue's calendar view, then move just enough ThankYou Points to cover it — transferring speculatively risks stranding points at a rate that's since crept up. Booking one-way is usually smarter than round-trip, since a round-trip search prices both directions together and can obscure a cheaper one-way fare on either leg.

Check the current Promo Rewards list before every search; it changes monthly and can turn a mediocre dynamic price into one of the best redemptions in the program. When a Citi transfer bonus is also live, the two stack — a discounted Promo Rewards fare paid for with bonus-inflated miles is the best-case scenario for this partnership, but it depends on both windows lining up with award space you actually want.

Not every Citi ThankYou card transfers to Flying Blue at the same rate. The Citi Strata Elite, Citi Strata Premier, Citi Prestige, and the AT&T Access More Card from Citi transfer at the full 1:1 ratio. Other ThankYou-earning cards — the ones without those premium annual fees — transfer at a reduced 840 Flying Blue miles per 1,000 points, which meaningfully changes the math on any redemption you're planning.

Citi also runs periodic transfer bonuses to Flying Blue, and they're worth watching for. A 20% bonus is running now, from July 19 through August 22, 2026, turning the full 1:1 ratio into 1,200 Flying Blue miles per 1,000 ThankYou Points transferred — enough to knock a standard 60,000-mile transatlantic business award down to a 50,000-point transfer. These bonuses appear a few times a year rather than continuously, so it pays to check Citi's transfer page before moving a large balance at the standard rate.