Proton Pass

The best rate at Proton Pass right now is 27% back via Alaska Airlines, ahead of USAA MemberShop at 25% — compared across 5 portals.

Portals	Offer	Value ↓	Bonus
Alaska Airlines Requires a free Alaska Atmos Rewards account. Points post straight to your Atmos balance — on top of any credit card rewards. Atmos points	18x points	27 cents / $ @1.5¢ per Atmos point	—	Shop →
USAA MemberShop Requires USAA membership (military-affiliated). Cash back is credited through your USAA account. Cash back	25% cash back	25 cents / $	—	Shop →
American Airlines Requires a free American Airlines AAdvantage account. Shop through their portal and miles post straight to your AAdvantage balance — on top of any credit card rewards. AAdvantage miles	19x miles as of Aug 12	24.7 cents / $ @1.3¢ per AA mile	—	Shop →
Delta Air Lines Requires a free Delta SkyMiles account. Miles post straight to your SkyMiles balance — on top of any credit card rewards. SkyMiles	15x miles	18 cents / $ @1.2¢ per Delta mile	—	Shop →
United Airlines Requires a free United MileagePlus account. Miles post straight to your MileagePlus balance — on top of any credit card rewards. MileagePlus miles	13x miles	16.9 cents / $ @1.3¢ per United mile	—	Shop →

Rates are checked daily against each portal's public listing. Miles and points are converted to effective value using MaxWorth's point valuations, so cash and miles portals are directly comparable. Rates can change at any time — always confirm the rate shown on the portal before checkout. "—" means the store is not currently offered on that portal.