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Seattle to Denver Jetlag Recovery Guide

Flying eastbound from Seattle to Denver involves a 1-hour timezone shift, rated "4" in difficulty. Expect around 1.1 days for full recovery. Below you will find departure timing tips, a day-by-day recovery plan, and seasonal advice.

SeattleDenver

SEA to DEN

Eastbound
+1h timezone shift
1-2 day recovery
1,643 km

Best Departure Times

12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Flight Options

9

SEADEN

2h 40m1,643 km5 airlines

Related Jetlag Routes

Frequently Asked Questions

Common questions about Seattle to Denver route

Jetlag from Seattle (SEA) to Denver (DEN) is rated "4". The route involves a 1-hour timezone shift traveling eastbound. Conservative recovery is about 1.1 days.

For eastbound travel, overnight flights arriving in the morning tend to minimize jetlag impact.

Recovery typically takes 1.1 days conservatively, or 0.8 days with aggressive light therapy and melatonin timing. Eastbound travel is harder because your body must advance its internal 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.

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Airlines on this route: Alaska (AS)

Flight Options & Recovery Plans

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

UA UA 2601United Airlines
5:00am
SEA
8:44am
DEN
2h 40m
Boeing 737 MAX 8·30, 31
Recovery timeline1.0 days
D1
0 pre-flight sessions4 in-flight tips1 recovery days
UA UA 397United Airlines
5:00am
SEA
8:48am
DEN
2h 40m
Boeing 737 MAX 9
Recovery timeline1.0 days
D1
UA UA 2601United Airlines
5:00am
SEA
8:38am
DEN
2h 40m
Boeing 737 MAX 9·20, 21, 22, 23, 27, 28
Recovery timeline1.0 days
D1
UA UA 397United Airlines
5:00am
SEA
8:48am
DEN
2h 40m
Boeing 737-900·8
Recovery timeline1.0 days
D1
UA UA 2601United Airlines
5:07am
SEA
8:50am
DEN
2h 40m
Boeing 737 MAX 8
Recovery timeline1.0 days
D1

Frequently Asked Questions: Seattle to Denver Jetlag

How bad is jetlag from Seattle to Denver?+

Jetlag from Seattle (SEA) to Denver (DEN) is rated "4" with a 1-hour timezone shift traveling eastbound. Conservative recovery estimate is 1.1 days.

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

For eastbound travel from Seattle to Denver, overnight flights arriving in the morning tend to minimize jetlag impact.

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

Recovery from Seattle to Denver jetlag typically takes 1.1 days with a conservative approach or 0.8 days with an aggressive light therapy and melatonin strategy. The 1-hour eastbound shift is harder because your body must advance 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.