Cheap flights from Chicago to Puerto Iguazú from $444

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Puerto Iguazú departing on 12/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Multiple Airlines Logo
2:07 pm - 8:20 amORD-IGR
63h 13m3 stops
Multiple Airlines Logo
2:00 pm - 8:57 amIGR-ORD
21h 57m2 stops
$1,971Multiple Airlines
Find Deal
Fri, Dec 19 - Fri, Jan 2
Aeromexico Logo
12:34 am - 8:35 amORD-IGR
29h 01m2 stops
Aeromexico Logo
6:40 pm - 1:02 pmIGR-ORD
21h 22m2 stops
$3,591Aeromexico
Find Deal
Thu, Dec 18 - Fri, Jan 2
LATAM Airlines Logo
1:20 pm - 5:55 pmORD-IGR
49h 35m3 stops
LATAM Airlines Logo
9:15 am - 3:05 pmIGR-ORD
32h 50m3 stops
$5,118LATAM Airlines
Find Deal
Fri, Dec 19 - Fri, Jan 2

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Puerto Iguazú 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Chicago to Puerto Iguazú that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPuerto Iguazú

ORD - IGR

ORDIGR

Chicago O'Hare Intl

Fri 12/19

2:07 pm-8:20 am

3 stops63h 13m

Puerto Iguazú Cataratas del Iguazu

Fri 1/2

2:00 pm-8:57 am

2 stops21h 57m

$1,971

ChicagoPuerto Iguazú

ORD - IGR

ORDIGR

Chicago O'Hare Intl

Thu 12/18

12:34 am-8:35 am

2 stops29h 01m

Puerto Iguazú Cataratas del Iguazu

Fri 1/2

6:40 pm-1:02 pm

2 stops21h 22m

$3,591

ChicagoPuerto Iguazú

ORD - IGR

ORDIGR

Chicago O'Hare Intl

Fri 12/19

1:20 pm-5:55 pm

3 stops49h 35m

Puerto Iguazú Cataratas del Iguazu

Fri 1/2

9:15 am-3:05 pm

3 stops32h 50m

$5,118

ChicagoPuerto Iguazú

ORD - IGR

ORDIGR

Chicago O'Hare Intl

Tue 12/23

6:05 pm-9:45 pm

3 stops48h 40m

$444

ChicagoPuerto Iguazú

ORD - IGR

ORDIGR

Chicago O'Hare Intl

Tue 12/23

6:05 pm-7:30 am

2 stops34h 25m

$460

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago to Puerto Iguazú

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Puerto Iguazú according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Puerto Iguazú (CHI to IGR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Puerto Iguazú

Direct flights

None
There are no direct flights from Chicago to Puerto Iguazú. There are no popular flight routes from Chicago to Puerto Iguazú.
  • How far is Chicago to Puerto Iguazú Cataratas del Iguazu by plane?

    The distance between Chicago and Puerto Iguazú Cataratas del Iguazu is about 5114.4 mi. A reasonable flight in good conditions will take 29h 01m.

  • When did momondo last update prices for flights from Chicago to Puerto Iguazú Cataratas del Iguazu Airport?

    Prices for flights from Chicago to Puerto Iguazú Cataratas del Iguazu Airport refresh daily.

  • How old do you have to be to fly from Chicago to Puerto Iguazú Cataratas del Iguazu Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Puerto Iguazú Cataratas del Iguazu Airport.

  • What documentation or ID do you need to fly to Puerto Iguazú Cataratas del Iguazu Airport?

    The travel and health documents you'll need for your trip to Puerto Iguazú Cataratas del Iguazu Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Iguazú Cataratas del Iguazu Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Chicago to Puerto Iguazú?

    Search flight deals from Chicago to Puerto Iguazú. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Chicago to Puerto Iguazú with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Puerto Iguazú?

Finding the right flight to Puerto Iguazú from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Iguazú quick and easy, saving you time and money.

Can I find flights from Chicago to Puerto Iguazú with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Puerto Iguazú flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Puerto Iguazú?

momondo provides multiple filters to help you find the best flight to Puerto Iguazú from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Puerto Iguazú right now. Can momondo alert me if prices change?

Price alerts on flights to Puerto Iguazú from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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