Cheap flights from Washington, D.C. to South America from $139

In general, April is the cheapest month to fly from Washington, D.C. to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $525. If you aren’t able to travel during the month of April, then book flights to South America from Washington, D.C. during May instead. Flights to South America in May, while not as cheap as those in April, still average around $551.

Fly from Washington, D.C. Dulles Intl to Bogotá El Dorado for the best Washington, D.C. - South America flight prices

You are more likely to see cheaper flights to South America from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around $560 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from Washington, D.C. for as low as $501 on momondo.

There are 3 cabin classes available to choose from on Washington, D.C. to South America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Copa Airlines, American Airlines, and United Airlines are the most popular carriers operating from Washington, D.C. to South America

Copa Airlines, Avianca and LATAM Airlines are the top three most popular airlines that fly to South America from Washington, D.C. according to our data. Copa Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to South America. Keep in mind that there are 8 different airlines that fly to South America on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Washington, D.C. and South America have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Avianca have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

As of November 2026, there are 7 flights per day flying from Washington, D.C. to South America. The most common time of day flights depart is 3:00PM, with 50% of flights taking off in the afternoon.

As of November 2026, there are 52 flights per week flying from Washington, D.C. to South America. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.