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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.
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.
ToolNectar to Avios converter
Nectar and Avios convert in fixed blocks: 400 Nectar points become 250 Avios, and 250 Avios become 300 Nectar. The rate is not symmetrical, so converting back and forth loses value each time. The converter runs both directions in those set blocks and shows what any balance becomes.
ToolAvios calculator
The Avios calculator turns a year of card and everyday spending into the Avios it earns, values that total at the current typical rate, and shows how far it reaches on the reward chart. It needs no sign-up and no loyalty password, and answers in pounds, dollars and euros.
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.
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.
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