London Heathrow
Washington, D.C. Dulles Intl
1 stop
12h 13mWashington, D.C. Dulles Intl
London Heathrow
1 stop
16h 50mAmerican Airlines
London Heathrow
Washington, D.C. Dulles Intl
1 stop
14h 26mWashington, D.C. Dulles Intl
London Heathrow
Nonstop
7h 15mMultiple Airlines
London Heathrow
Washington, D.C. Dulles Intl
Nonstop
8h 25mWashington, D.C. Dulles Intl
London Heathrow
Nonstop
7h 15mBritish Airways
London Heathrow
Washington, D.C. Dulles Intl
1 stop
28h 02mMultiple Airlines
London Stansted
Washington, D.C. Dulles Intl
2 stops
45h 20mMultiple Airlines
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.
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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).