Seattle to London UK Nonstop Airfares on Alaska Airlines

No special codes or coupons are required. Get these nonstop airfares while available.

These basic economy fares allow for a personal item and a carry-on bag. While there is no seat selection or changes for individual travelers, those flying with children will be seated together according to Alaska Airlines’ policy. Travel at this price is available for the Fall season, with higher fares expected during peak summer travel.

Travel Availability

• Departing Seattle (SEA): August 11-12; September 9, 16, 23, 28-30; October 5, 7, 14, 21, 28; November 2-3
• Returning: August 19; September 15-17, 22-25, 29-30; October 1-2, 6-9, 13-16, 20-23, 27-30; November 3-6, 10-13