August's headliner is one currency with three doors. American Express is running 30% transfer bonuses to British Airways, Iberia, and Aer Lingus simultaneously — three programs, one shared points currency (Avios), and more award pricing arbitrage than any reasonable person wants to compare at dinner.
Meanwhile, Citi opened a 40% window to Turkish Airlines that is genuinely tempting and mildly dangerous. Here are the mid-August reads before the August 22 and 31 expirations hit.
| Bank Program | Transfer Partner | Bonus Ratio | Verdict |
|---|---|---|---|
| American Express | British Airways / Iberia / Aer Lingus (Avios) | 1 : 1.3 (30%) | Good for Deals |
| Citi ThankYou | Turkish Airlines Miles&Smiles | 1 : 1.4 (40%) | Tempting, Tick-Tock |
| Chase Ultimate Rewards | IHG One Rewards | 1 : 1.7 (70%) | Still a Trap |
| Citi ThankYou | JetBlue TrueBlue | 1 : 1.2 (20%) | Decent |
| Citi ThankYou | Air France / KLM Flying Blue | 1 : 1.2 (20%) | Decent |
| American Express | Cathay Pacific Asia Miles | 1.25 : 1.1 (10%) | Skip |
The Safe Bet: The Avios Trifecta (30%, Through September 27)
British Airways, Iberia, and Aer Lingus all price awards in Avios, so a 30% bonus to any of them is effectively a 30% bonus to the whole ecosystem — you can move Avios between programs in the BA app once they land. One Amex point (2.0 cents) becomes 1.3 Avios worth roughly 1.82 cents: nearly fair on paper, and ahead in practice when you pick the right door. Iberia tends to price its own business class cheapest; Aer Lingus often has availability the others pretend not to see.
This is the kind of bonus worth breaking the "never transfer speculatively" rule for — barely. Find the seat first anyway.
The Clock: Citi to Turkish Airlines (40%, Through August 31)
A 40% bonus to one of the best Star Alliance award charts sounds like the deal of the month. Strata cardholders land around 1.54 cents per transferred point. But here is the part that gets people: Miles&Smiles miles expire 36 months after they are earned, hard stop, no activity reset. Every mile you transfer has a visible countdown. Transfer for a booked trip, or don't transfer.
The Recurring Trap: Chase to IHG (70%, Through August 31)
It survived July. We covered why in the July index — a 70% head start into a currency worth 0.6 cents still converts $2.05 into roughly $1.02. Nothing about the extension changed the arithmetic.
Notes From the Valuation Desk
Two quiet cuts landed between our June index and today: our American AAdvantage estimate eased from 1.6 to 1.4 cents as saver space thinned, and World of Hyatt softened from 1.7 to 1.6 cents. Details in the new Points Devaluation Index. Bank points still beat both.
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