How do I get Price Alerts for flights from Illinois to Antofagasta?

Confirm your travel details to search for the latest offers for flights from Illinois to Antofagasta . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Illinois to Antofagasta 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 aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Illinois to Antofagasta Cerro Moreno Airport?

Prices for flights from Illinois to Antofagasta Cerro Moreno Airport refresh daily.

How old do you have to be to fly from Illinois to Antofagasta Cerro Moreno Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Antofagasta Cerro Moreno Airport.

What documentation or ID do you need to fly to Antofagasta Cerro Moreno Airport?

The required travel and health documents for your Antofagasta Cerro Moreno Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Antofagasta Cerro Moreno Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$936 Cheap Flights from Illinois to Antofagasta in 2026

Find the cheapest flights from Illinois to Antofagasta

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:50 pm - 3:30 am

ORD

ANF

36h 40m

2 stops

6:05 am - 11:59 pm

ANF

ORD

19h 54m

2 stops

$936LATAM Airlines

Thu, Sep 3 - Thu, Sep 10

12:12 pm - 8:49 pm

ORD

ANF

30h 37m

3 stops

8:22 am - 9:20 pm

ANF

ORD

38h 58m

3 stops

$961Multiple Airlines

Sat, Sep 12 - Fri, Sep 18

12:12 pm - 8:49 pm

ORD

ANF

30h 37m

3 stops

10:26 pm - 9:20 pm

ANF

ORD

24h 54m

2 stops

$974Multiple Airlines

Sat, Sep 12 - Fri, Sep 18

7:10 am - 4:45 am

ORD

ANF

18h 35m

2 stops

6:15 am - 11:50 pm

ANF

ORD

20h 35m

2 stops

$976LATAM Airlines

Sun, Nov 29 - Thu, Dec 3

7:10 am - 4:45 am

ORD

ANF

18h 35m

2 stops

6:15 am - 11:50 pm

ANF

ORD

20h 35m

2 stops

$997LATAM Airlines

Sun, Nov 29 - Thu, Dec 3

3:40 pm - 12:43 am

ORD

ANF

31h 03m

2 stops

11:00 am - 2:29 pm

ANF

ORD

29h 29m

2 stops

$1,004LATAM Airlines

Sat, Sep 12 - Fri, Sep 18

7:10 am - 4:45 am

ORD

ANF

18h 35m

2 stops

6:15 am - 11:50 pm

ANF

ORD

20h 35m

2 stops

$1,058LATAM Airlines

Sun, Nov 29 - Thu, Dec 3

11:20 pm - 7:52 pm

ORD

ANF

19h 32m

2 stops

7:35 am - 7:48 pm

ANF

ORD

38h 13m

3 stops

$1,192Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

11:20 pm - 8:55 pm

ORD

ANF

20h 35m

3 stops

2:27 pm - 11:53 pm

ANF

ORD

35h 26m

3 stops

$1,515Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

10:05 am - 6:14 pm

ORD

ANF

29h 09m

2 stops

4:12 pm - 8:20 pm

ANF

ORD

31h 08m

2 stops

$1,769Multiple Airlines

Fri, Dec 18 - Mon, Dec 28

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LATAM Airlines flights from Illinois to Antofagasta

Our best LATAM Airlines deals on Illinois to Antofagasta flight tickets

LATAM Airlines

Sep 3

ORD1:50 pmChicago O'Hare Intl

36h 40m

2 stops

ANF3:30 amAntofagasta Cerro Moreno

Sep 10

ANF6:05 amAntofagasta Cerro Moreno

19h 54m

2 stops

ORD11:59 pmChicago O'Hare Intl

$936

LATAM Airlines

Nov 29

ORD7:10 amChicago O'Hare Intl

18h 35m

2 stops

ANF4:45 amAntofagasta Cerro Moreno

Dec 3

ANF6:15 amAntofagasta Cerro Moreno

20h 35m

2 stops

ORD11:50 pmChicago O'Hare Intl

$976

LATAM Airlines

Nov 29

ORD7:10 amChicago O'Hare Intl

18h 35m

2 stops

ANF4:45 amAntofagasta Cerro Moreno

Dec 3

ANF6:15 amAntofagasta Cerro Moreno

20h 35m

2 stops

ORD11:50 pmChicago O'Hare Intl

$997

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Thu 9/3

1:50 pm-3:30 am

2 stops36h 40m

Antofagasta Cerro Moreno

Thu 9/10

6:05 am-11:59 pm

2 stops19h 54m

$936

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Sat 9/12

12:12 pm-8:49 pm

3 stops30h 37m

Antofagasta Cerro Moreno

Fri 9/18

8:22 am-9:20 pm

3 stops38h 58m

$961

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Sat 9/12

12:12 pm-8:49 pm

3 stops30h 37m

Antofagasta Cerro Moreno

Fri 9/18

10:26 pm-9:20 pm

2 stops24h 54m

$974

Quickest round-trip

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Sun 11/29

7:10 am-4:45 am

2 stops18h 35m

Antofagasta Cerro Moreno

Thu 12/3

6:15 am-11:50 pm

2 stops20h 35m

$976

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Sun 11/29

7:10 am-4:45 am

2 stops18h 35m

Antofagasta Cerro Moreno

Thu 12/3

6:15 am-11:50 pm

2 stops20h 35m

$997

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Sat 9/12

3:40 pm-12:43 am

2 stops31h 03m

Antofagasta Cerro Moreno

Fri 9/18

11:00 am-2:29 pm

2 stops29h 29m

$1,004

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Sun 11/29

7:10 am-4:45 am

2 stops18h 35m

Antofagasta Cerro Moreno

Thu 12/3

6:15 am-11:50 pm

2 stops20h 35m

$1,058

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Thu 9/3

11:20 pm-7:52 pm

2 stops19h 32m

Antofagasta Cerro Moreno

Thu 9/10

7:35 am-7:48 pm

3 stops38h 13m

$1,192

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Thu 9/3

11:20 pm-8:55 pm

3 stops20h 35m

Antofagasta Cerro Moreno

Thu 9/10

2:27 pm-11:53 pm

3 stops35h 26m

$1,515

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Fri 12/18

10:05 am-6:14 pm

2 stops29h 09m

Antofagasta Cerro Moreno

Mon 12/28

4:12 pm-8:20 pm

2 stops31h 08m

$1,769

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Antofagasta flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Antofagasta

Fastest flight time	20h 15m
Direct flights	None

The fastest flight from Illinois to Antofagasta takes 20h 15m

There are no direct flights from Illinois to Antofagasta. There are no popular flight routes from Illinois to Antofagasta.

Search flight deals

Frequently asked questions about flying from Illinois to Antofagasta

When did momondo last update prices for flights from Illinois to Antofagasta Cerro Moreno Airport?
Prices for flights from Illinois to Antofagasta Cerro Moreno Airport refresh daily.
How old do you have to be to fly from Illinois to Antofagasta Cerro Moreno Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Antofagasta Cerro Moreno Airport.
What documentation or ID do you need to fly to Antofagasta Cerro Moreno Airport?
The required travel and health documents for your Antofagasta Cerro Moreno Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Antofagasta Cerro Moreno Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Illinois to Antofagasta

How do I get Price Alerts for flights from Illinois to Antofagasta?
Confirm your travel details to search for the latest offers for flights from Illinois to Antofagasta. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Illinois to Antofagasta 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 aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Antofagasta?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Antofagasta for you.

Can I find flights from Illinois to Antofagasta with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Antofagasta flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Antofagasta?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Antofagasta.

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

Yes. momondo can track prices for Illinois to Antofagasta flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.