Tokyo (HND) to Seattle (SEA) business class award flights

SEA → HND

Lowest seen in the last 3 daysPlus fees$58.00Program

LifeMilesAirline

United AirlinesDepartingWed, Nov 18

Last checked 2d agoChecked 19 Oct 2026, 11:19 UTC

Which program and airline costs you least

Tokyo to Seattle in business class starts at 76.5K miles plus $58.00 — United Airlines through LifeMiles. Delta Air Lines through Delta SkyMiles charges the least cash — $57.62 — but wants 220K miles.

Every way to book HND to SEA with miles or points
Airline	Program
ANAvia KIX, GMP → ICN (change airports), SFOlast seen 12 Oct, not re-checked sinceLifeMiles	LifeMiles	76.5Kplus $58.00	$58.00
Asiana Airlinesvia GMP → ICN (change airports), SFOlast seen 12 Oct, not re-checked sinceLifeMiles	LifeMiles	76.5Kplus $58.00	$58.00
United Airlinesvia LAX, SFOLifeMiles	LifeMiles	Fewest miles76.5Kplus $58.00	$58.00
Philippine Airlinesvia MNLAtmos Rewards	Atmos Rewards	130K Atmos pointsplus $91.29	$91.29
Alaska Airlinesvia HNLAtmos Rewards	Atmos Rewards	150K Atmos pointsplus $63.29	$63.29
American Airlinesvia LAXAtmos Rewards	Atmos Rewards	150K Atmos pointsplus $81.79	$81.79
Delta Air LinesNonstopDelta SkyMiles	Delta SkyMiles	220Kplus $57.62	Lowest fees$57.62
United Airlinesvia LAXlast seen 16 Oct, not re-checked sinceUnited MileagePlus	United MileagePlus	228Kplus $61.79	$61.79

Where the space is over the next 60 days

Dashed days are prices last seen more than 3 days ago and not re-checked since.

HND to SEA in business class: the facts

Over the next 60 days we hold business class seats from Tokyo to Seattle on 60 of the 60 departure days, through 4 programs. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat. Data updated October 22, 2026.

LifeMiles
Days with space
11 of 60
Lowest
76,500 miles
Typical day
76,500 miles
Cash on top
$58 to $85
Atmos Rewards
Days with space
58 of 60
Lowest
130,000 Atmos points
Typical day
250,000 Atmos points
Cash on top
$63 to $91
Delta SkyMiles
Days with space
59 of 60
Lowest
220,000 miles
Typical day
440,000 miles
Cash on top
$58 to $63
United MileagePlus
Days with space
1 of 60
Lowest
228,000 miles
Typical day
228,000 miles
Cash on top
$62

HND to SEA business class seats per program over the next 60 days
Program	Days with space	Lowest	Typical day	Cash on top
LifeMiles	11 of 60	76,500 miles	76,500 miles	$58 to $85
Atmos Rewards	58 of 60	130,000 Atmos points	250,000 Atmos points	$63 to $91
Delta SkyMiles	59 of 60	220,000 miles	440,000 miles	$58 to $63
United MileagePlus	1 of 60	228,000 miles	228,000 miles	$62

Nonstop or with a connection

Nonstop seats on Delta Air Lines. With a connection on Alaska Airlines, American Airlines, ANA, Asiana Airlines, Philippine Airlines and United Airlines.

How to book it

LifeMiles books on lifemiles.com: sign in there, search HND to SEA in business class on a date with space, and pay in miles with the cash on top (from $58).
Atmos Rewards books on alaskaair.com: sign in there, search HND to SEA in business class on a date with space, and pay in Atmos points with the cash on top (from $63).
Delta SkyMiles books on delta.com: sign in there, search HND to SEA in business class on a date with space, and pay in miles with the cash on top (from $58).
United MileagePlus books on united.com: sign in there, search HND to SEA in business class on a date with space, and pay in miles with the cash on top (from $62).

MilesZone finds the seat; it does not book it or take payment.

More routes

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Every route we watch from Tokyo (HND)

Get told the moment a HND → SEA seat opens.

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