Overview
- Daily, year‑round service begins May 21, 2026, on Boeing 787‑9s featuring enclosed lie‑flat business‑class suites, multi‑course dining and seatback entertainment.
- Published times are SEA–LHR departing 9:40 p.m. and arriving 3:05 p.m. next day, and LHR–SEA departing 5:00 p.m. and arriving 6:50 p.m., all local.
- Introductory round‑trip fares start around $699, Atmos Rewards redemptions are available, and flights earn 1 point and 1 status point per mile with complimentary day‑of‑departure upgrades for Titanium elites when seats remain.
- Flights will operate from Heathrow Terminal 3 for easy oneworld connections, and the airline has teased a potential deepening of ties with British Airways and American Airlines.
- Alaska says Starlink high‑speed Wi‑Fi will begin appearing on its Dreamliners by fall 2026 with free access for Atmos Rewards members, as the carrier builds toward a dozen long‑haul routes from Seattle by 2030.