The cheapest times to fly from SDU to ORD are

  • January 15th to April 8th (except the weeks of February 19th and February 26th)
  • August 6th to December 2nd (except the weeks of September 24th and October 1st)

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 SDU to ORD is early to mid August. Prices can be as high as $2298 for Thursday flights during late June, or as low as $787 for Monday flights around early to mid August.


When to Fly to Chicago

Flying from Rio de Janeiro (SDU) to Chicago, IL (ORD) will usually cost between $791 to $1640 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid August with an average ticket price of $788. Due to high demand the most expensive time to fly is late June, with an average price of $1595. Planning your trip to low-cost times can easily save you $808 on economy flights and even more on first-class flights. Generally, any price below $840 can be considered a good price for a round-trip SDU to ORD flight.

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

SDU to ORD Flight Prices

Compared to other flights, the SDU to ORD flight is cheaper than the average and costs less than the average flight leaving from Rio de Janeiro. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to depart and return on this flight. Thursdays are the most expensive days to fly to Chicago, and Saturdays are the most expensive days to return to Rio de Janeiro. Selecting flights on the least expensive days could save you up to $103 (10%) 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 $868. Return trip prices are from the ORD to SDU 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 SDU to ORD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 33 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Aeromexico, Air Canada, American, Azul, COPA, Delta, LATAM, United, and potentially more during busy seasons.

How far away is it from Chicago O’Hare International Airport to Santos Dumont Airport?

The distance between the two airports is roughly 5315 miles or 8554 kilometers.

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

The real-world flight time for a nonstop SDU to ORD flight is about 10 hour 33 minutes.

How many flights go between Rio de Janeiro and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 58 available flights from SDU to ORD.


Airport Location Info


Departing Airport

Origination codeSDU
Origination airport nameSantos Dumont Airport
CityRio de Janeiro

Return Airport

Destination codeORD
Destination airport nameChicago O’Hare International Airport
CityChicago, IL
Countrythe United States


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.