Flying Seattle → Tokyo at the front of the plane
Booked well, Seattle to Tokyo in First Class is not an indulgence so much as arithmetic: a flat bed out of Seattle-Tacoma International Airport (SEA), hours of genuine sleep, and a first day in Tokyo you don't lose to recovery.
The absence of a nonstop First Class product here is an opportunity in disguise: a one-stop on ANA, Japan Airlines and United Airlines adds a world-class lounge visit mid-journey and frequently prices better than direct premium alternatives.
Sea-Tac's international premium facilities are comfortable and continually improving: Emirates First passengers are hosted in a premium lounge before the Dubai departure, and the European flagships provide elevated partner lounge access. The airport's manageable scale is itself a luxury — check-in to gate rarely takes long, even at peak hours.
Late March to early April (cherry blossom) and November (autumn color) are Tokyo's twin peaks — book First cabins and hotels four to six months out for those windows. May and October offer near-identical weather with far easier availability. Golden Week (late April–early May) and New Year distort domestic demand more than international fares. June's rains and August's humidity mark the value season, when First pricing softens noticeably.