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Do Avios expire?
Yes. Avios lapse after 36 months with no activity on your British Airways Club account, not on a fixed calendar date. Any single earn or spend, however small, resets the clock on your entire balance. Other Avios programs, including Iberia, Aer Lingus and Qatar, set their own inactivity windows.
GuideDo Delta miles expire?
No. Delta SkyMiles do not expire and there is no inactivity clock — Delta's own program rules state miles never expire. The catch is value rather than time: SkyMiles are priced dynamically against cash fares, so a balance held for years quietly buys less as fares and award prices rise.
GuideDo Alaska miles expire?
No. Alaska dropped its 24-month inactivity rule in April 2023, and under the renamed Atmos Rewards program the terms state points have no expiration date and may remain in an account indefinitely. An idle Alaska balance is safe, so the only real risk to it is program devaluation.
GuideAmex to Avios
American Express Membership Rewards points transfer to Avios at 1:1, so 10,000 points become 10,000 Avios. Transfers are usually instant once your Avios account is linked, though Amex asks you to allow up to 72 hours. Periodic transfer bonuses of roughly 15 to 30 per cent are the easiest way to boost the rate.
GuideHow many Avios for a flight?
It depends on distance and cabin, not a fixed price. British Airways Club prices rewards in distance bands, so since the December 2025 repricing a short-haul economy reward starts at 10,000 Avios one-way, and business on the same routes runs roughly 16,500 to 26,750. Cash taxes and carrier charges are always extra.
GuideHow to earn Avios
You earn Avios by flying and by spending. UK credit cards earn 1 to 1.5 Avios per £1 and Nectar converts at 400 to 250; in the US, Chase, American Express, Capital One, Bilt and Wells Fargo points transfer to Avios at 1:1. Hotels, car hire and other partners pay Avios too.
GuideBilt transfer partners
Bilt Rewards has the widest transfer list of any US card currency: nineteen airlines and seven hotels, almost all at 1:1. It is the only program reaching American, Alaska, Southwest and United alongside all four major hotels, Hilton, IHG, Marriott and Hyatt. Only Accor (3:2) and Preferred Hotels (1:2) differ.
GuideHow to earn Delta miles
Delta SkyMiles members earn 5 miles per $1 on Delta fares, rising to 7, 8, 9 and 11 with Silver, Gold, Platinum and Diamond Medallion status; Basic Economy earns none. Partner-airline flights earn by distance and cabin, American Express points transfer in at 1:1 and Marriott points at 3:1, and dining, Uber and shopping add more.
ComparisonAvios vs Amex Membership Rewards
Hold Membership Rewards until you have an Avios booking in mind. Amex points transfer to Avios at 1:1 and never expire while you keep an MR-earning Card, so they are the flexible form of the same value. Avios lapse after 36 months of inactivity and can only be spent in Avios programs.
ComparisonAvios vs AAdvantage miles
Avios and AAdvantage miles land close in value — about 1p per Avios against roughly 1.5 cents per mile — so the deciding factor is usually the cash charges, because a British Airways Avios reward adds carrier charges on top of tax. Avios expire after 36 months of inactivity; AAdvantage miles after 24.
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