The cheapest times to fly from IAD to CGB are

  • January 22nd to June 10th (except the weeks of February 12th, February 26th, and May 14th)
  • October 8th to December 2nd (except the weeks of November 12th and November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to CGB is early to mid March. Prices can be as high as $2996 for Saturday flights during late July, or as low as $1048 for Monday flights around early to mid March.


When to Fly to Cuiabá

Flying from Washington, DC (IAD) to Cuiaba (CGB) will usually cost between $1098 to $2249 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid March with an average ticket price of $1163. Due to high demand the most expensive time to fly is late July, with an average price of $2409. Planning your trip to low-cost times can easily save you $1246 on economy flights and even more on first-class flights. Generally, any price below $1386 can be considered a good price for a round-trip IAD to CGB flight.

See below for a graph of average weekly prices for the IAD to CGB route. All prices are for round-trip tickets in USD.

IAD to CGB Flight Prices

Compared to other flights, the IAD to CGB flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.21, which is below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to CGB, and Tuesday the cheapest day to fly back into IAD. Saturdays are the most expensive days to fly to Cuiabá, and Sundays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $294 (17%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1405. Return trip prices are from the CGB to IAD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAD to CGB can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 13 minutes may not be realistic.


Flight Hacking IAD to CGB

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from IAD to CGB — but Champion Traveler does!

Hack #1: Sao Paulo (IAD > GRU > CGB)

  • Price for both tickets: $1106
  • Average savings: $281 (20.24%)

See IAD to GRU flights

Hack #2: Fort Lauderdale, FL (IAD > FLL > CGB)

  • Price for both tickets: $1119
  • Average savings: $267 (19.26%)

See IAD to FLL flights

Hack #3: Brasilia (IAD > BSB > CGB)

  • Price for both tickets: $1126
  • Average savings: $260 (18.76%)

See IAD to BSB flights


Flight Questions Answered

Still have questions about flying from IAD to CGB? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Aerolineas Argentinas, Air Canada, Azul, COPA, Delta, Gol, LATAM, Tap Air Portugal, United, and potentially more during busy seasons.

How far away is it from Marechal Rondon International Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 4016 miles or 6463 kilometers.

How long does it take to fly from IAD to CGB?

The real-world flight time for a nonstop IAD to CGB flight is about 8 hour 13 minutes.

How many flights go between Washington, DC and Cuiaba?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from IAD to CGB.


Airport Location Info


Departing Airport

Origination code IAD
Origination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5

Return Airport

Destination code CGB
Destination airport name Marechal Rondon International Airport
City Cuiaba
Country Brazil
Latitude -15.7
Longitude -56.1


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.