Due to multiple factors, expect to potentially pay more when booking in March. For low rates, August can be a great choice for travel to Belo Horizonte. Flights to Belo Horizonte from Washington Dulles Intl Airport in August are about $1,203 on average during August, but can be found for as low as $729.
To save up to 14% on this flight, we recommend booking at least 14 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington Dulles Intl Airport to Belo Horizonte from $1,135 1-2 weeks out and tickets from $1,415 for flights departing within the next 72 hours.
When flying from Washington Dulles Intl Airport to Belo Horizonte, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.