What happened
Alaska Airlines officially launched its new nonstop route between London Heathrow (LHR) and Seattle (SEA) on Friday, May 22, 2026. This service expansion brings the total number of oneworld alliance member airlines operating at London Heathrow to 14. Alaska Airlines flights operate out of Terminal 3 at Heathrow, alongside other oneworld partners including American Airlines, British Airways, Cathay Pacific, Finnair, Japan Airlines, Qantas, Royal Jordanian, and SriLankan Airlines. The launch strengthens the alliance's hub presence at LHR, offering passengers increased connectivity to over 160 destinations globally. The route allows Alaska Mile Plan members to earn and redeem miles on this transatlantic sector, while also providing access to partner lounges within Terminal 3 for eligible passengers