The cheapest times to fly from DEN to SDU are

  • January 15th to February 11th
  • February 26th to April 8th
  • May 7th to June 3rd
  • September 3rd to December 2nd (except the week of September 24th)

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 DEN to SDU is mid November. Prices can be as high as $2405 for Saturday flights during late December, or as low as $836 for Tuesday flights around mid November.


When to Fly to Rio de Janeiro

Flying from Denver, CO (DEN) to Rio de Janeiro (SDU) will usually cost between $1001 to $1721 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $1007. Due to high demand the most expensive time to fly is late December, with an average price of $1956. Planning your trip to low-cost times can easily save you $950 on economy flights and even more on first-class flights. Generally, any price below $1391 can be considered a good price for a round-trip DEN to SDU flight.

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

DEN to SDU Flight Prices

Compared to other flights, the DEN to SDU flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Denver. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $190 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1251. Return trip prices are from the SDU to DEN 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 DEN to SDU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 33 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from DEN to SDU while comparing.

Destination alternative #1: Galeao Antonio Carlos Jobim International Airport (GIG) in Rio de Janeiro

  • 9 miles (14 km) away from SDU
  • Usually 8.38% less expensive than SDU
  • 1-layover flights available

See DEN to GIG flights


Flight Hacking DEN to SDU

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 DEN to SDU — but Champion Traveler does!

Hack #1: Miami, FL (DEN > MIA > SDU)

  • Price for both tickets: $1022
  • Average savings: $369 (26.54%)

See DEN to MIA flights

Hack #2: Chicago, IL (DEN > ORD > SDU)

  • Price for both tickets: $1058
  • Average savings: $333 (23.91%)

See DEN to ORD flights

Hack #3: Lima (DEN > LIM > SDU)

  • Price for both tickets: $1118
  • Average savings: $273 (19.63%)

See DEN to LIM flights


Flight Questions Answered

Still have questions about flying from DEN to SDU? We’ve got answers.

Which airlines fly this route?

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

How far away is it from Santos Dumont Airport to Denver International Airport?

The distance between the two airports is roughly 5869 miles or 9445 kilometers.

How long does it take to fly from DEN to SDU?

The real-world flight time for a nonstop DEN to SDU flight is about 11 hour 33 minutes.

How many flights go between Denver, CO and Rio de Janeiro?

It depends on the day of the week and the date, but a typical day might have around 62 available flights from DEN to SDU.


Airport Location Info


Departing Airport

Origination code DEN
Origination airport name Denver International Airport
City Denver, CO
Country the United States
Latitude 39.9
Longitude -104.7

Return Airport

Destination code SDU
Destination airport name Santos Dumont Airport
City Rio de Janeiro
Country Brazil
Latitude -22.9
Longitude -43.2


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.