Cheap flights from Illinois to Santiago from $317
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Santiago departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Illinois to Santiago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.LATAM Airlines flights from Illinois to Santiago
Our best LATAM Airlines deals on Illinois to Santiago flight tickets
Copa Airlines flights from Illinois to Santiago
Our best Copa Airlines deals on Illinois to Santiago flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Illinois to Santiago that are best for you.
Fly from
Fly to
Route
Depart
Return
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Sun 10/25
6:10 am-7:10 am
1 stop23h 00m
Santiago Arturo Merino Benitez
Fri 10/30
10:50 pm-5:20 pm
1 stop20h 30m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Fri 11/6
2:13 pm-11:36 pm
1 stop30h 23m
Santiago Arturo Merino Benitez
Mon 11/16
5:07 am-12:46 pm
1 stop34h 39m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Fri 11/27
6:00 am-6:55 am
1 stop21h 55m
Santiago Arturo Merino Benitez
Thu 12/3
11:50 pm-12:50 pm
1 stop16h 00m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Fri 11/27
5:25 am-7:55 am
2 stops23h 30m
Santiago Arturo Merino Benitez
Mon 11/30
8:35 pm-10:13 pm
2 stops28h 38m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Tue 11/3
10:30 pm-3:10 pm
1 stop13h 40m
Santiago Arturo Merino Benitez
Tue 11/10
7:30 am-8:30 pm
1 stop16h 00m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Fri 11/6
2:13 pm-12:19 am
1 stop31h 06m
Santiago Arturo Merino Benitez
Sun 11/15
3:19 am-12:11 am
1 stop23h 52m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Sat 3/20
7:05 am-5:50 am
1 stop20h 45m
Santiago Arturo Merino Benitez
Tue 3/23
7:25 am-11:07 am
1 stop29h 42m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Wed 12/9
2:38 pm-9:15 am
1 stop15h 37m
Santiago Arturo Merino Benitez
Fri 2/26
11:45 pm-6:29 pm
1 stop21h 44m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Thu 12/3
6:59 am-8:15 am
1 stop22h 16m
Santiago Arturo Merino Benitez
Sat 12/12
10:30 pm-9:30 am
1 stop14h 00m
ChicagoSantiago
ORD Chicago O'Hare Intl - SCL Santiago Arturo Merino Benitez
ORDSCL
Chicago O'Hare Intl
Thu 12/10
10:30 pm-3:10 pm
1 stop13h 40m
Santiago Arturo Merino Benitez
Fri 2/26
2:10 am-8:30 pm
1 stop21h 20m
See travel insights to Santiago from
How to get the cheapest flight ticket from Illinois to Santiago
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Santiago?
In general, June is the cheapest month to fly from Illinois to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $666. If you don’t want to visit Santiago in June, then you should wait until April to fly from Illinois, when ticket prices are also cheap, with an average price of $714.
How far in advance should I book a flight from Illinois to Santiago?
You are more likely to see cheaper flights to Santiago from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around $841 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from Illinois for as low as $688 on momondo.
What is the cheapest airline that flies from Illinois to Santiago Arturo Merino Benitez?
Arajet, Air Canada, and LATAM Airlines are the most popular carriers operating from Illinois to Santiago Arturo Merino Benitez
What airlines fly to Santiago?
American Airlines, Copa Airlines and LATAM Airlines are the top three most popular airlines that fly to Santiago from Illinois according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Santiago. Keep in mind that there are 6 different airlines that fly to Santiago on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Santiago flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Santiago
Frequently asked questions about flying from Illinois to Santiago
When did momondo last update prices for flights from Illinois to Santiago Arturo Merino Benitez Airport?
Prices for flights from Illinois to Santiago Arturo Merino Benitez Airport were last updated today.
How many operators does momondo search for flights from Illinois to Santiago Arturo Merino Benitez Airport?
As of October 2026, there are 6 operators available to choose from for flights from Illinois to Santiago Arturo Merino Benitez Airport.
How old do you have to be to fly from Illinois to Santiago Arturo Merino Benitez Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Santiago Arturo Merino Benitez Airport.
What documentation or ID do you need to fly to Santiago Arturo Merino Benitez Airport?
The required travel and health documents for your Santiago Arturo Merino Benitez 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 Santiago Arturo Merino Benitez Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Illinois to Santiago
Compare and see reviews for airlines that fly from Illinois to Santiago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $501 | Free Cancellation | Rating 7.8 8,646 reviews | |||
| PriceFrom $530 | Free Cancellation | Rating 6.5 2,557 reviews | |||
| PriceFrom $537 | Free Cancellation | Rating 7.6 1,548 reviews | |||
| PriceFrom $540 | Free Cancellation | Rating 7.4 1,975 reviews | |||
| PriceFrom $597 | Free Cancellation | Rating 7.0 12,146 reviews | |||
| PriceFrom $626 | Free Cancellation | Rating 7.4 10,319 reviews |
Traveling to a place near Santiago?
Book flights to Santiago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Santiago?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Santiago from Illinois.
Can I find flights from Illinois to Santiago with flexible booking policies on momondo?
Yes. All flights to Santiago from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Illinois to Santiago?
Once all potential Illinois to Santiago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Illinois to Santiago right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Illinois to Santiago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.