There are several airlines that operate frequent flights from Seattle (SEA) to Tokyo (HND) including

• United Airlines with 45 flights a week
• Delta Air Lines with 41 flights a week
• WestJet with 30 flights a week
• Alaska Airlines with 27 flights a week
• All Nippon Airways with 20 flights a week

The earliest flight leaves Seattle Tacoma Intl. Airport at 05:00 and arrives at Haneda Airport at 13:50. The last flight of the day departs Seattle at 14:40 and arrives at Tokyo at 23:20.

The flight distance from Seattle to Tokyo is about 8769 km, the shortest flight is 12 hours with WestJet.

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