Need help booking?
Unpublished phone-only deals available
Time difference: Boulder to Washington
WBU (Boulder Municipal Airport) → IAD (Washington Dulles International Airport)
+2h
Washington is ahead
2d
est. jet-lag recovery, eastbound
Reading the clocks
When it's noon in Boulder, it's 2:00 PM in Washington. Good for planning calls home or coordinating with people on the other end.
Jet lag outlook
Minor adjustmentCrossing 2 time zones eastbound — plan roughly 2 days to feel fully adjusted.
Frequently asked questions
What is the time difference between Boulder and Washington?
Washington is 2 hours ahead of Boulder.
How bad will my jet lag be?
Crossing 2 time zones eastbound typically takes 2 days to fully adjust to. Eastbound trips (traveling against your body clock) tend to feel worse than the same distance westbound.
What is the flight time from WBU to IAD?
The nonstop flight distance is 1,477 miles. See the full distance and flight-time breakdown for exact timing.
What's the best way to book around jet lag?
Overnight eastbound flights that land in the morning let you push through to local bedtime and adjust faster. Call CheapoTrav — our agents know which schedules on this route land at the best local time, plus unpublished phone-only fares.