Fly from
Fly to
Route
Depart
Return
Price
Port Au PrinceWashington, D.C.
PAP - IAD
PAPIAD
Port Au Prince Mais Gate
Sat 12/21
10:45 am-2:05 pm
1 stop27h 20m
Washington, D.C. Dulles Intl
Sat 1/4
3:24 pm-12:00 pm
1 stop20h 36m
Cap HaitienWashington, D.C.
CAP - IAD
CAPIAD
Cap Haitien
Tue 12/3
11:30 am-12:59 pm
2 stops25h 29m
Port Au PrinceWashington, D.C.
PAP - IAD
PAPIAD
Port Au Prince Mais Gate
Wed 12/18
10:45 am-11:30 pm
1 stop12h 45m
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.
If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).