
Alaska Airliens has launched daily nonstop service between Seattle and London Heathrow using Boeing 787 Dreamliners.
For the airline, and certainly its Seattle hub, this debut at Heathrow, long in the making, is central to its emerging long-haul strategy.
The Route Gets Underway
Daily service is to be offered by Alaska Airlines; this is a strong commitment to such an important hub and home to one-world partner British Airways, to help feed onward traffic across European hotspots with less complexity than ever before.
Alaska Airlines has also timed the launch perfectly to make its authority heard from the beginning, thanks to the peak summer season ahead, as people take time off work, school breaks up, and more.
AS100 departs Seattle at 2140 for a next-day 15:05 arrival at Heathrow. Then AS101 is tracked as returning home, departing from Heathrow at 1700 for a same-day arrival in Seattle at around 1850. These times are local to their respective cities.
Terminal 3 is where these Alaska Airlines flights operate, providing easy access not only to Europe but also to long-haul markets such as the Middle East and Africa with a single stop through Heathrow.
Why London Heathrow Matters To Alaska Airlines
London is one of the world’s most important cities, and it represents the largest intercontinental market from Seattle as well. Hundreds of passengers travel between the two cities each day, and that demand is captured by no one, despite Seattle being Alaska Airlines’ key hub.

Alaska Airlines, therefore, by leveraging its 787 Dreamliners acquired following the integration and purchase of Hawaiian Airlines, can enter this lucrative market, which has already enabled it to be very successful with leisure and business travellers.
Fundamentally, given that Heathrow is also so heavily slot-constrained, securing slots from oneworld partners on a lease paved the way for its launch. Not only is this a key long-haul route now flying, but it also showcases the airline’s newest product on the global stage as it looks to scale international destinations served from Seattle with the Boeing flagship product in the future.
The 787 Is A Game Changer Here
The flight to Heathrow and the launch just weeks ago of Rome as the airline’s first European service would not have been possible without the Boeing 787 Dreamliner.
These 787s the airline flies were not acquired solely by the airline; thanks to a 2024 purchase of Hawaiian Airlines, which is at the heart of the integration and single-group mentality, the airline is looking to leverage the widebody orders to serve long-haul markets from Seattle and improve West Coast connectivity.
As part of that new era, Alaska Airlines says it wants to serve as many as 12 international destinations from Seattle by the end of the decade, while also scaling up its reliance on the 787 Dreamliner to make those routes feasible.

European expansion is one angle of Alaska Airlines’ growth out of Seattle. Still, other locations in Asia are expected to be important, especially given the city’s geographic position and its easy access to these ports.
There’s a lot of anticipation about what’s next for Alaska Airlines and how the 787 can be leveraged. Therefore, finally serving Heathrow is a landmark moment for the business, but by no means the end of this planned, ambitious growth.

ABOUT THE AUTHOR
Daniel Fowkes is a Melbourne-based aviation analyst and journalist with over a decade of industry experience. As founder of Dj’s Aviation, he delivers trusted analysis on aircraft, airline strategy and global aviation trends for djsaviation.net
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