Cheap flights from Illinois to Santos Dumont (SDU) from $319

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — SDU
Jun 18 — Jun 251

How far in advance should I book a flight from Illinois to Rio de Janeiro Santos Dumont Airport?

Travelers have found it’s best to book a flight 45 days in advance to save up to 42% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 45 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Rio de Janeiro Santos Dumont Airport 1-2 weeks in advance for as low as $836, or $890 for flights within the next 24 hours.

What is the cheapest month to fly from Illinois to Rio de Janeiro Santos Dumont Airport?

The best pricing can be found in the month of July. Prices to Rio de Janeiro Santos Dumont Airport from Illinois average $1,108. You can even find prices in July for less than $1,108, as users have found deals to Rio de Janeiro Santos Dumont Airport from as low as $798. The month of December appears to be one of the more expensive times to travel to Rio de Janeiro Santos Dumont Airport from Illinois. Flying in the targeted month can save you up to 39%.

What is the cheapest time of day to fly from IL to SDU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Rio de Janeiro Santos Dumont Airport as you normally would.

Cheap Illinois to Santos Dumont flights in June & July 2024

Find cheap flight options from Illinois to Santos Dumont specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
Scroll through some of the best deals on flights from Illinois to Rio de Janeiro in 2024. Check back soon for alternative fares.
Tue 7/91:55 amORD - SDU
2 stops32h 40mAeromexico
Wed 7/316:05 amSDU - ORD
2 stops25h 53mAeromexico
Deal found 6/12$947
Wed 7/175:20 amORD - SDU
3 stops37h 15mMultiple Airlines
Wed 7/244:00 pmSDU - ORD
2 stops26h 30mMultiple Airlines
Deal found 6/12$1,010
Fri 7/195:20 amORD - SDU
3 stops37h 15mMultiple Airlines
Fri 7/267:40 amSDU - ORD
3 stops39h 58mMultiple Airlines
Deal found 6/12$1,015
Wed 7/175:20 amORD - SDU
3 stops37h 15mMultiple Airlines
Wed 7/249:35 amSDU - ORD
3 stops25h 28mMultiple Airlines
Deal found 6/12$1,057
Tue 7/161:55 amORD - SDU
2 stops32h 40mAeromexico
Wed 7/246:05 amSDU - ORD
2 stops20h 05mAeromexico
Deal found 6/12$1,063
Fri 7/195:20 amORD - SDU
3 stops37h 15mMultiple Airlines
Fri 7/265:50 pmSDU - ORD
2 stops26h 35mMultiple Airlines
Deal found 6/12$1,070
Fri 7/199:15 pmORD - SDU
1 stop45h 20mMultiple Airlines
Fri 7/267:40 amSDU - ORD
1 stop25h 10mMultiple Airlines
Deal found 6/12$1,085
Sat 7/66:40 pmORD - SDU
2 stops25h 45mMultiple Airlines
Thu 7/114:50 pmSDU - ORD
3 stops25h 40mMultiple Airlines
Deal found 6/13$1,110
Mon 6/176:40 pmORD - SDU
2 stops25h 45mMultiple Airlines
Mon 6/244:50 pmSDU - ORD
3 stops32h 55mMultiple Airlines
Deal found 6/12$1,131

Illinois to Santos Dumont 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Santos Dumont in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Scroll through some of the best deals on flights from Illinois to Rio de Janeiro in 2024. Check back soon for alternative fares.
Mon 8/125:00 amORD - SDU
3 stops37h 35mMultiple Airlines
Tue 8/205:45 pmSDU - ORD
3 stops32h 36mMultiple Airlines
Deal found 6/11$708
Sat 9/78:30 amORD - SDU
3 stops24h 55mMultiple Airlines
Fri 9/137:50 amSDU - ORD
3 stops38h 50mMultiple Airlines
Deal found 6/12$757
Thu 10/316:10 pmORD - SDU
2 stops17h 05mLATAM Airlines
Fri 11/86:05 amSDU - ORD
2 stops20h 54mLATAM Airlines
Deal found 6/13$765
Sat 9/78:30 amORD - SDU
3 stops24h 55mMultiple Airlines
Fri 9/137:50 amSDU - ORD
3 stops38h 50mMultiple Airlines
Deal found 6/12$766
Tue 10/296:10 pmORD - SDU
2 stops19h 45mLATAM Airlines
Mon 11/43:00 pmSDU - ORD
2 stops21h 53mLATAM Airlines
Deal found 6/13$770
Sat 9/75:05 amORD - SDU
3 stops28h 20mMultiple Airlines
Fri 9/139:45 pmSDU - ORD
2 stops24h 55mMultiple Airlines
Deal found 6/12$786
Sat 9/78:30 amORD - SDU
3 stops24h 55mMultiple Airlines
Fri 9/139:45 pmSDU - ORD
2 stops24h 55mMultiple Airlines
Deal found 6/12$790
Fri 8/165:00 amORD - SDU
3 stops37h 35mMultiple Airlines
Sat 8/249:10 amSDU - ORD
3 stops41h 11mMultiple Airlines
Deal found 6/13$799
Mon 8/125:00 amORD - SDU
3 stops25h 40mMultiple Airlines
Tue 8/207:45 pmSDU - ORD
2 stops22h 12mMultiple Airlines
Deal found 6/11$809

Illinois to Santos Dumont flights leaving soon

Find last-minute flight options from Illinois to Santos Dumont for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Have a look at some of the flights available from Illinois to Rio de Janeiro departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 6/202:00 pmORD - SDU
2 stops16h 55mLATAM Airlines
Wed 6/266:05 amSDU - ORD
2 stops17h 33mLATAM Airlines
Deal found 6/12$1,331
Tue 6/182:15 pmORD - SDU
2 stops28h 20mAir Canada
Tue 6/257:55 amSDU - ORD
2 stops26h 56mAir Canada
Deal found 6/11$1,380
Fri 6/214:07 pmORD - SDU
2 stops16h 38mGOL
Thu 6/276:00 amSDU - ORD
2 stops19h 53mGOL
Deal found 6/13$1,418
Tue 6/184:00 pmORD - SDU
2 stops26h 35mAir Canada
Tue 6/257:55 amSDU - ORD
2 stops26h 56mAir Canada
Deal found 6/13$1,494
Wed 6/2611:00 amSTL - SDU
2 stops31h 35mMultiple Airlines
Wed 7/39:35 amSDU - STL
2 stops39h 51mMultiple Airlines
Deal found 6/11$1,743
Tue 6/189:29 amMDW - SDU
3 stops33h 06mMultiple Airlines
Tue 6/256:05 amSDU - MDW
3 stops29h 47mMultiple Airlines
Deal found 6/13$1,794
Sun 6/169:50 amSTL - SDU
2 stops32h 45mAir Canada
Sun 6/238:40 amSDU - STL
2 stops37h 21mAir Canada
Deal found 6/11$3,615
Tue 6/1812:45 pmMDW - SDU
2 stops18h 10mLATAM Airlines
Tue 6/256:05 amSDU - MDW
2 stops17h 41mLATAM Airlines
Deal found 6/13$4,173
Mon 6/175:25 pmSTL - SDU
2 stops17h 10mLATAM Airlines
Tue 6/188:15 pmSDU - STL
2 stops17h 46mLATAM Airlines
Deal found 6/12$7,148

One-way flights to Santos Dumont from Illinois

Search for one-way flight options from Illinois to Santos Dumont. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Take a look at some of the one-way flights we've detected from Illinois to Rio de Janeiro. For those needing a return trip from Illinois, there is a search form available above.
Tue 8/205:00 amORD - SDU
3 stops25h 30mMultiple Airlines
Deal found 6/11$319
Thu 9/55:05 amORD - SDU
3 stops37h 30mMultiple Airlines
Deal found 6/12$345
Tue 8/206:50 amORD - SDU
2 stops25h 55mMultiple Airlines
Deal found 6/11$355
Wed 8/76:46 pmORD - SDU
3 stops47h 49mMultiple Airlines
Deal found 6/12$359
Wed 9/47:00 amORD - SDU
2 stops32h 10mMultiple Airlines
Deal found 6/12$371
Tue 9/36:50 amORD - SDU
2 stops32h 20mMultiple Airlines
Deal found 6/12$385
Tue 9/38:30 amORD - SDU
3 stops34h 05mMultiple Airlines
Deal found 6/12$386
Wed 9/411:14 amORD - SDU
3 stops21h 31mMultiple Airlines
Deal found 6/12$393
Tue 8/65:00 amORD - SDU
3 stops25h 30mMultiple Airlines
Deal found 6/12$397

Find flights from Illinois to Santos Dumont within your budget

Customize your flight search to find flights from Illinois to Santos Dumont that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$708 - $1,581

Route

Depart

Return

Price

Chicago O'Hare IntlRio de Janeiro Santos Dumont

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 8/12

3 stops37h 35m

Rio de Janeiro Santos Dumont

Tue 8/20

3 stops32h 36m

$708

Chicago O'Hare IntlRio de Janeiro Santos Dumont

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 9/7

3 stops24h 55m

Rio de Janeiro Santos Dumont

Fri 9/13

3 stops38h 50m

$757

Chicago O'Hare IntlRio de Janeiro Santos Dumont

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Thu 10/31

2 stops17h 05m

Rio de Janeiro Santos Dumont

Fri 11/8

2 stops20h 54m

$765

Chicago O'Hare IntlRio de Janeiro Santos Dumont

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 8/12

2 stops26h 48m

Rio de Janeiro Santos Dumont

Tue 8/20

2 stops20h 15m

$846

Chicago O'Hare IntlRio de Janeiro Santos Dumont

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 9/7

2 stops20h 43m

Rio de Janeiro Santos Dumont

Fri 9/13

2 stops17h 35m

$1,032

Chicago O'Hare IntlRio de Janeiro Santos Dumont

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 7/6

2 stops24h 40m

Rio de Janeiro Santos Dumont

Thu 7/11

1 stop15h 05m

$1,146

Chicago O'Hare IntlRio de Janeiro Santos Dumont

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 7/30

2 stops27h 00m

Rio de Janeiro Santos Dumont

Tue 8/13

2 stops27h 11m

$1,257

Chicago O'Hare IntlRio de Janeiro Santos Dumont

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 9/17

2 stops20h 35m

Rio de Janeiro Santos Dumont

Sun 9/22

2 stops18h 10m

$1,444

Chicago MidwayRio de Janeiro Santos Dumont

MDW - SDU

MDWSDU

Chicago Midway

Mon 8/12

2 stops18h 48m

Rio de Janeiro Santos Dumont

Tue 8/20

2 stops17h 41m

$1,581

Flights are sorted by cheapest first

Deals found on 6/11

No data available for this route at this time. Please check back soon.

Best time to book a flight from Illinois to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Santos Dumont

Get insights into the airlines that provide service to Santos Dumont. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santos Dumont. Reviews last updated June 13, 2024.
Read reviews from past customers who have flown Aeromexico, United Airlines and LATAM Airlines from Illinois to Rio de Janeiro. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.2
Very good
914 reviews

Boarding

8.2

Overall

8.2

Food

7.4

Entertainment

7.7

Crew

8.7

Comfort

8.0

Reviews

1 / 10

Passagem cara. Mala quebrada de porão. Me negaram repetir uma simples lata de cerveja num voo de mais de 8 horas. Poltronas pouco reclinam. O negócio é colocar gente para dentro fechar a porta e faturar

8.2
Very good
914 reviews
8.2
Very good
914 reviews

Boarding

8.2

Overall

8.2

Food

7.4

Entertainment

7.7

Crew

8.7

Comfort

8.0

Reviews

1 / 10

Passagem cara. Mala quebrada de porão. Me negaram repetir uma simples lata de cerveja num voo de mais de 8 horas. Poltronas pouco reclinam. O negócio é colocar gente para dentro fechar a porta e faturar

8.0
Very good
10,000 reviews
8.2
Very good
914 reviews

Boarding

8.2

Overall

8.2

Food

7.4

Entertainment

7.7

Crew

8.7

Comfort

8.0

Reviews

1 / 10

Passagem cara. Mala quebrada de porão. Me negaram repetir uma simples lata de cerveja num voo de mais de 8 horas. Poltronas pouco reclinam. O negócio é colocar gente para dentro fechar a porta e faturar

7.6
Good
2,397 reviews
8.2
Very good
914 reviews

Boarding

8.2

Overall

8.2

Food

7.4

Entertainment

7.7

Crew

8.7

Comfort

8.0

Reviews

1 / 10

Passagem cara. Mala quebrada de porão. Me negaram repetir uma simples lata de cerveja num voo de mais de 8 horas. Poltronas pouco reclinam. O negócio é colocar gente para dentro fechar a porta e faturar

7.5
Good
2,307 reviews
8.2
Very good
914 reviews

Boarding

8.2

Overall

8.2

Food

7.4

Entertainment

7.7

Crew

8.7

Comfort

8.0

Reviews

1 / 10

Passagem cara. Mala quebrada de porão. Me negaram repetir uma simples lata de cerveja num voo de mais de 8 horas. Poltronas pouco reclinam. O negócio é colocar gente para dentro fechar a porta e faturar

7.5
Good
1,260 reviews
8.2
Very good
914 reviews

Boarding

8.2

Overall

8.2

Food

7.4

Entertainment

7.7

Crew

8.7

Comfort

8.0

Reviews

1 / 10

Passagem cara. Mala quebrada de porão. Me negaram repetir uma simples lata de cerveja num voo de mais de 8 horas. Poltronas pouco reclinam. O negócio é colocar gente para dentro fechar a porta e faturar

Related info for your journey

Find useful and relevant information for your journey from Illinois to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Illinois to Rio de Janeiro Santos Dumont Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from Illinois to Rio de Janeiro Santos Dumont Airport for under $800. The cheapest flight booked recently is on Multiple Airlines for just $708, but on average you can expect to pay $830.

  • Are there last-minute flights available from Illinois to Rio de Janeiro Santos Dumont Airport for under $1,400?

    There are currently 9+ open flights from Illinois to Rio de Janeiro Santos Dumont Airport within the next 7 days for less than $1,400.

  • What are the cheapest airlines to fly from Illinois to Rio de Janeiro Santos Dumont Airport one-way?

    To fly one-way, consider booking your trip with GOL, which is currently one of the cheapest options available, starting at $529. Air Canada flights start at $597 while deals on LATAM Airlines start at $668 one-way.

  • What are the most popular routes from Illinois to Rio de Janeiro Santos Dumont Airport?

  • What does ORD to SDU mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Rio de Janeiro Santos Dumont Airport flight would often be abbreviated as a ORD to SDU flight. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Illinois to Santos Dumont that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Santos Dumont flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Santos Dumont with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Santos Dumont flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Santos Dumont that include hotel bookings?

    Yes. In addition to deals on Illinois to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Santos Dumont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Santos Dumont.

  • Can I find deals for business class flights from Illinois to Santos Dumont?

    Yes. Cheapflights offers flight deals from Illinois to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Santos Dumont that allow pets onboard?

    Many airlines flying from Illinois to Santos Dumont offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Santos Dumont?

    Yes, you can often find last-minute deals on Illinois to Santos Dumont flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Rio de Janeiro Santos Dumont Airport flight deals updated?

    The Illinois to Rio de Janeiro Santos Dumont Airport flight deals you see on this page were last updated on 6/13.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Santos Dumont
See prices for flight routes from nearby airports that may be better suited for you.

Search flights from Illinois to Santos Dumont by cabin class

Find flights from Illinois to Santos Dumont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.