How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Antofagasta?

Search flight deals from Chicago O'Hare Intl Airport to Antofagasta . While viewing offers you’ll have the option to create a Price Alert.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Antofagasta Cerro Moreno Airport?

Prices for flights from Chicago O'Hare Intl Airport to Antofagasta Cerro Moreno Airport were last updated today.

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

The travel and health documents you'll need for your trip to Antofagasta Cerro Moreno 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 Antofagasta Cerro Moreno Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$799 Cheap Flights from Chicago O'Hare Intl Airport to Antofagasta in 2026

Find the cheapest flights from Chicago O'Hare Intl Airport to Antofagasta

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:55 am - 4:04 pm

ORD

ANF

28h 09m

3 stops

8:53 pm - 1:02 am

ANF

ORD

30h 09m

2 stops

$799Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

3:20 pm - 7:33 pm

ORD

ANF

26h 13m

3 stops

10:02 pm - 9:20 pm

ANF

ORD

25h 18m

2 stops

$812Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

7:25 am - 2:32 pm

ORD

ANF

29h 07m

3 stops

10:42 pm - 9:20 pm

ANF

ORD

24h 38m

2 stops

$833Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

7:25 am - 2:32 pm

ORD

ANF

29h 07m

3 stops

10:42 pm - 9:20 pm

ANF

ORD

24h 38m

2 stops

$839Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

9:55 am - 2:32 pm

ORD

ANF

26h 37m

3 stops

9:02 am - 1:02 am

ANF

ORD

42h 00m

3 stops

$841Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

8:01 am - 2:29 pm

ORD

ANF

28h 28m

3 stops

3:39 pm - 1:02 am

ANF

ORD

35h 23m

2 stops

$849Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

7:25 am - 4:04 pm

ORD

ANF

30h 39m

3 stops

12:59 pm - 11:47 pm

ANF

ORD

36h 48m

3 stops

$854Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

8:01 am - 2:29 pm

ORD

ANF

28h 28m

3 stops

3:39 pm - 1:02 am

ANF

ORD

35h 23m

2 stops

$858Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

7:25 am - 4:04 pm

ORD

ANF

30h 39m

3 stops

12:59 pm - 11:47 pm

ANF

ORD

36h 48m

3 stops

$864Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

8:01 am - 2:29 pm

ORD

ANF

28h 28m

3 stops

3:39 pm - 1:02 am

ANF

ORD

35h 23m

2 stops

$866Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

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LATAM Airlines flights from Chicago O'Hare Intl Airport to Antofagasta

Our best LATAM Airlines deals on Chicago O'Hare Intl Airport to Antofagasta flight tickets

LATAM Airlines

Sep 10

ORD6:25 pmChicago O'Hare Intl

32h 05m

2 stops

ANF4:30 amAntofagasta Cerro Moreno

Sep 17

ANF6:05 amAntofagasta Cerro Moreno

19h 54m

2 stops

ORD11:59 pmChicago O'Hare Intl

$993

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

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

29h 19m

2 stops

ORD8:34 amChicago O'Hare Intl

$1,007

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Antofagasta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

9:55 am-4:04 pm

3 stops28h 09m

Antofagasta Cerro Moreno

Tue 9/15

8:53 pm-1:02 am

2 stops30h 09m

$799

Quickest round-trip

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Wed 9/9

3:20 pm-7:33 pm

3 stops26h 13m

Antofagasta Cerro Moreno

Wed 9/16

10:02 pm-9:20 pm

2 stops25h 18m

$812

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

7:25 am-2:32 pm

3 stops29h 07m

Antofagasta Cerro Moreno

Tue 9/15

10:42 pm-9:20 pm

2 stops24h 38m

$833

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

7:25 am-2:32 pm

3 stops29h 07m

Antofagasta Cerro Moreno

Tue 9/15

10:42 pm-9:20 pm

2 stops24h 38m

$839

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

9:55 am-2:32 pm

3 stops26h 37m

Antofagasta Cerro Moreno

Tue 9/15

9:02 am-1:02 am

3 stops42h 00m

$841

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

8:01 am-2:29 pm

3 stops28h 28m

Antofagasta Cerro Moreno

Tue 9/15

3:39 pm-1:02 am

2 stops35h 23m

$849

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

7:25 am-4:04 pm

3 stops30h 39m

Antofagasta Cerro Moreno

Tue 9/15

12:59 pm-11:47 pm

3 stops36h 48m

$854

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

8:01 am-2:29 pm

3 stops28h 28m

Antofagasta Cerro Moreno

Tue 9/15

3:39 pm-1:02 am

2 stops35h 23m

$858

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

7:25 am-4:04 pm

3 stops30h 39m

Antofagasta Cerro Moreno

Tue 9/15

12:59 pm-11:47 pm

3 stops36h 48m

$864

ChicagoAntofagasta

ORD - ANF

ORDANF

Chicago O'Hare Intl

Tue 9/8

8:01 am-2:29 pm

3 stops28h 28m

Antofagasta Cerro Moreno

Tue 9/15

3:39 pm-1:02 am

2 stops35h 23m

$866

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Antofagasta

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Antofagasta according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Antofagasta (ORD to ANF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Antofagasta

Fastest flight time	19h 02m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Antofagasta takes 19h 02m

There are no direct flights from Chicago O'Hare Intl Airport to Antofagasta. There are no popular flight routes from Chicago O'Hare Intl Airport to Antofagasta.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Antofagasta

How far is Chicago O'Hare Intl to Antofagasta Cerro Moreno by plane?
The distance between Chicago O'Hare Intl and Antofagasta Cerro Moreno is about 4667.6 mi. By plane, this route typically takes 19h 02m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Antofagasta Cerro Moreno Airport?
Prices for flights from Chicago O'Hare Intl Airport to Antofagasta Cerro Moreno Airport were last updated today.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Antofagasta Cerro Moreno Airport.
What documentation or ID do you need to fly to Antofagasta Cerro Moreno Airport?
The travel and health documents you'll need for your trip to Antofagasta Cerro Moreno 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 Antofagasta Cerro Moreno Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Antofagasta

How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Antofagasta?
Search flight deals from Chicago O'Hare Intl Airport to Antofagasta. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Chicago O'Hare Intl Airport to Antofagasta with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Antofagasta. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Antofagasta from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Antofagasta 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 Antofagasta right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Antofagasta, momondo offers a useful price alert feature which will track prices for flights to Antofagasta from Chicago and alert you when they change.