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Seattle to Tokyo Jetlag Recovery Guide

Flying westbound from Seattle to Tokyo involves a 8-hour timezone shift, rated "5" in difficulty. Expect around 6.2 days for full recovery. Below you will find departure timing tips, a day-by-day recovery plan, and seasonal advice.

SeattleTokyo

SEA to NRT

Westbound
+8h timezone shift
5-7 day recovery
7,651 km

Best Departure Times

18-23 (95/100)
14-18 (70/100)
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Higher bars indicate departure times that minimize jetlag impact. Green = optimal, red = worst.

Recovery Plan

Pre-Flight

  • Start adjusting sleep schedule 2-3 days before departure
  • Stay well hydrated in the days before travel

During Flight

  • Stay hydrated - drink water regularly
  • Avoid excessive alcohol and caffeine
  • Try to sleep during the flight to arrive refreshed

Post-Arrival

  • Get morning sunlight to help reset your circadian rhythm
  • Avoid napping - stay awake until local bedtime
  • Consider melatonin supplements (consult your doctor)
  • Allow yourself 13 days to fully adjust

Flight Options

3

SEANRT

10h 30m7,651 km3 airlines
3

SEAHND

10h 30m7,707 km2 airlines

Related Jetlag Routes

Frequently Asked Questions

Common questions about Seattle to Tokyo route

Jetlag from Seattle (SEA) to Tokyo (NRT) is rated "5". The route involves a 8-hour timezone shift traveling westbound. Conservative recovery is about 6.2 days.

The best departure windows are: 18-23 (95/100), 14-18 (70/100). These times help align your circadian rhythm with the destination timezone.

Recovery typically takes 6.2 days conservatively, or 4.4 days with aggressive light therapy and melatonin timing. Westbound travel is generally easier as your body naturally delays its clock.

Eastbound travel is generally harder for jetlag recovery because it requires advancing your circadian clock, which the body naturally resists. Westbound travel involves delaying your clock, which is more natural. As a rule of thumb, eastbound recovery takes about 1.5 days per hour of shift vs 1 day for westbound.

Start adjusting sleep schedule 2-3 days before departure. Stay well hydrated in the days before travel.

Explore More

Airlines on this route: Alaska (AS)

Flight Options & Recovery Plans

Scheduled flights from Seattle to Tokyo with estimated jetlag recovery timelines. Departure time significantly affects recovery — earlier or later flights can mean days of difference.

JL JL 67Japan Airlines
11:50am
SEA
3:05pm
NRT
10h 30m
Boeing 787-9
Recovery timeline1.0 days
D1
0 pre-flight sessions4 in-flight tips1 recovery days
JL JL 67Japan Airlines
11:50am
SEA
3:05pm
NRT
10h 30m
Boeing 787-9
Recovery timeline1.0 days
D1
HA HA 823Hawaiian Airlines
12:20pm
SEA
4:00pm
NRT
10h 30m
Boeing 787-9
Recovery timeline1.0 days
D1
JL JL 67Japan Airlines
12:30pm
SEA
3:40pm
NRT
10h 30m
Boeing 787-9
Recovery timeline1.0 days
D1
JL JL 67Japan Airlines
12:30pm
SEA
3:40pm
NRT
10h 30m
Boeing 787-9
Recovery timeline1.0 days
D1

Frequently Asked Questions: Seattle to Tokyo Jetlag

How bad is jetlag from Seattle to Tokyo?+

Jetlag from Seattle (SEA) to Tokyo (NRT) is rated "5" with a 8-hour timezone shift traveling westbound. Conservative recovery estimate is 6.2 days.

What is the best time to fly from Seattle to Tokyo for jetlag?+

The optimal departure windows for minimizing jetlag on the Seattle to Tokyo route are: 18-23 (95/100), 14-18 (70/100). These times help align your circadian rhythm with the destination timezone.

How long does it take to recover from Seattle to Tokyo jetlag?+

Recovery from Seattle to Tokyo jetlag typically takes 6.2 days with a conservative approach or 4.4 days with an aggressive light therapy and melatonin strategy. The 8-hour westbound shift is generally easier because your body delays its clock.

Is eastbound or westbound worse for jetlag?+

Eastbound travel is generally harder for jetlag recovery because it requires advancing your circadian clock, which the body resists. Westbound travel involves delaying your clock, which is more natural. For every hour of timezone shift, eastbound recovery takes about 1.5 days vs 1 day for westbound.

What can I do before my flight to reduce jetlag from Seattle to Tokyo?+

Before your Seattle to Tokyo flight: Start adjusting sleep schedule 2-3 days before departure. Stay well hydrated in the days before travel.