There are several airlines that operate frequent flights from London (LGW) to Seattle (SEA) including

• Icelandair with 8 flights a week
• British Airways with 6 flights a week
• Virgin Atlantic with 5 flights a week
• WestJet with 5 flights a week
• Delta Air Lines with 4 flights a week

The earliest flight leaves Gatwick Airport at 07:20 and arrives at Seattle Tacoma Intl. Airport at 13:57. The last flight of the day departs London at 14:00 and arrives at Seattle at 21:49.

The flight distance from London to Seattle is about 8676 km, the shortest flight is 12 hours 10 minutes with WestJet.

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