In a direct comparison, Avios are generally "worth" more than Nectar points, but they are much harder to value consistently. Nectar points have a fixed value: 1 point is worth 0.5p when spent at partners like Sainsbury’s or Argos (e.g., 500 points = £2.50). In contrast, the value of Avios is "volatile"; if used for a long-haul Business Class flight, an Avios can be worth 1.5p to 2.5p, but if used for "part-pay with Avios" on a cheap flight, the value can drop below 0.6p. As of 2026, you can convert 400 Nectar points into 250 Avios (a 0.8p per Avios value) or 400 Avios into 400 Nectar points (a 0.5p per Avios value). Therefore, it is a "bad deal" to turn Avios into Nectar unless you have no intention of flying. For maximum value, the consensus remains to "earn" Nectar points through daily shopping and then "convert" them into Avios during a promotional 10-20% bonus period, then spend those Avios on high-value "Reward Flight Savers" or premium cabin upgrades where the return per point is maximized.