Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,410 (Trip.com) |
One-way from | $618 (StudentUniverse) |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Vientiane
IAD - VTE
IADVTE
Washington, D.C. Dulles Intl
Wed 4/2
9:40 pm-7:15 pm
3 stops58h 35m
Vientiane Wattay
Wed 6/18
8:00 pm-10:45 am
2 stops25h 45m
PhiladelphiaVientiane
PHL - VTE
PHLVTE
Philadelphia
Sun 3/16
8:45 pm-10:55 am
2 stops27h 10m
Vientiane Wattay
Thu 3/20
2:50 pm-4:30 pm
2 stops36h 40m
Washington, D.C.Vientiane
IAD - VTE
IADVTE
Washington, D.C. Dulles Intl
Wed 4/2
11:00 am-7:35 am
3 stops33h 35m
In terms of precipitation, rainfall in Vientiane ranges from 0.4 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. January is typically the driest time to visit Vientiane when rainfall is around 0.4 in.
If weather is an important factor for your trip to Vientiane, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).