What is the cheapest airline that flies from Illinois to Peru?

Avianca, LATAM Airlines, and American Airlines are the most popular carriers operating from Illinois to Peru

What airlines fly to Peru?

Copa Airlines, Avianca and LATAM Airlines are the top three most popular airlines that fly to Peru from Illinois according to our data. Copa Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Peru. Keep in mind that there are 9 different airlines that fly to Peru on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Illinois to Peru?

Prices for flights from Illinois to Peru refresh daily.

How many operators does momondo search for flights from Illinois to Peru?

As of February 2026, there are 9 operators available to choose from for flights from Illinois to Peru.

How old do you have to be to fly from Illinois to Peru?

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 Peru.

What documentation or ID do you need to fly to Peru?

The required travel and health documents for your Peru 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 Peru. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$166 Cheap Flights from Illinois to Peru in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Peru

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:15 am - 9:35 pm

ORD

LIM

16h 20m

1 stop

10:30 pm - 6:40 pm

LIM

ORD

20h 10m

2 stops

$377Spirit Airlines

Sat, Apr 18 - Tue, Apr 21

5:15 am - 9:35 pm

ORD

LIM

16h 20m

1 stop

10:30 pm - 7:48 pm

LIM

ORD

21h 18m

1 stop

$381Spirit Airlines

Sat, Apr 18 - Tue, Apr 21

7:00 am - 10:35 pm

ORD

LIM

14h 35m

1 stop

10:30 pm - 7:47 pm

LIM

ORD

21h 17m

2 stops

$387Spirit Airlines

Tue, Mar 3 - Tue, Mar 10

7:15 pm - 2:10 pm

ORD

LIM

18h 55m

1 stop

10:05 am - 11:59 pm

LIM

ORD

13h 54m

1 stop

$391Multiple Airlines

Fri, May 8 - Sat, May 16

7:23 pm - 2:45 pm

ORD

LIM

18h 22m

1 stop

1:15 am - 9:39 am

LIM

ORD

32h 24m

1 stop

$397Multiple Airlines

Tue, Mar 3 - Mon, Mar 9

5:21 pm - 5:00 am

STL

LIM

11h 39m

1 stop

12:00 pm - 11:34 pm

LIM

STL

11h 34m

1 stop

$665LATAM Airlines

Tue, Mar 17 - Thu, Apr 30

10:12 am - 9:55 pm

STL

LIM

11h 43m

1 stop

8:15 am - 11:58 pm

LIM

STL

15h 43m

2 stops

$670LATAM Airlines

Mon, Mar 30 - Mon, Apr 6

6:57 pm - 5:00 am

STL

LIM

10h 03m

1 stop

12:05 am - 4:55 pm

LIM

STL

16h 50m

1 stop

$685Delta

Tue, May 26 - Sat, Jun 6

4:30 pm - 9:25 am

MDW

CUZ

16h 55m

2 stops

7:30 am - 12:02 pm

CUZ

MDW

28h 32m

2 stops

$705Delta

Sat, Mar 21 - Thu, Mar 26

11:22 am - 7:26 am

STL

CUZ

20h 04m

2 stops

10:25 pm - 5:40 pm

CUZ

STL

19h 15m

2 stops

$1,068American Airlines

Fri, Mar 27 - Fri, Apr 3

Spirit Airlines flights from Illinois to Peru

Our best Spirit Airlines deals on Illinois to Peru flight tickets

Spirit Airlines

Apr 18

ORD5:15 amChicago O'Hare Intl

16h 20m

1 stop

LIM9:35 pmLima J Chavez Intl

Apr 21

LIM10:30 pmLima J Chavez Intl

20h 10m

2 stops

ORD6:40 pmChicago O'Hare Intl

$377

Spirit Airlines

Apr 18

ORD5:15 amChicago O'Hare Intl

16h 20m

1 stop

LIM9:35 pmLima J Chavez Intl

Apr 21

LIM10:30 pmLima J Chavez Intl

21h 18m

1 stop

ORD7:48 pmChicago O'Hare Intl

$381

Spirit Airlines

Mar 3

ORD7:00 amChicago O'Hare Intl

14h 35m

1 stop

LIM10:35 pmLima J Chavez Intl

Mar 10

LIM10:30 pmLima J Chavez Intl

21h 17m

2 stops

ORD7:47 pmChicago O'Hare Intl

$387

Delta flights from Illinois to Peru

Our best Delta deals on Illinois to Peru flight tickets

Delta

Feb 24

MDW12:45 pmChicago Midway

15h 15m

1 stop

LIM5:00 amLima J Chavez Intl

Mar 16

LIM11:40 pmLima J Chavez Intl

17h 42m

1 stop

MDW5:22 pmChicago Midway

$616

Delta

Feb 21

MDW6:00 amChicago Midway

15h 40m

2 stops

LIM10:40 pmLima J Chavez Intl

Mar 6

LIM8:25 amLima J Chavez Intl

15h 06m

2 stops

MDW10:31 pmChicago Midway

$621

Delta

Mar 26

MDW6:00 amChicago Midway

16h 10m

2 stops

LIM10:10 pmLima J Chavez Intl

Apr 2

LIM12:00 pmLima J Chavez Intl

24h 02m

1 stop

MDW12:02 pmChicago Midway

$629

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Sat 4/18

5:15 am-9:35 pm

1 stop16h 20m

Lima J Chavez Intl

Tue 4/21

10:30 pm-6:40 pm

2 stops20h 10m

$377

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Sat 4/18

5:15 am-9:35 pm

1 stop16h 20m

Lima J Chavez Intl

Tue 4/21

10:30 pm-7:48 pm

1 stop21h 18m

$381

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Tue 3/3

7:00 am-10:35 pm

1 stop14h 35m

Lima J Chavez Intl

Tue 3/10

10:30 pm-7:47 pm

2 stops21h 17m

$387

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Fri 5/8

7:15 pm-2:10 pm

1 stop18h 55m

Lima J Chavez Intl

Sat 5/16

10:05 am-11:59 pm

1 stop13h 54m

$391

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Tue 3/3

7:23 pm-2:45 pm

1 stop18h 22m

Lima J Chavez Intl

Mon 3/9

1:15 am-9:39 am

1 stop32h 24m

$397

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 3/17

5:21 pm-5:00 am

1 stop11h 39m

Lima J Chavez Intl

Thu 4/30

12:00 pm-11:34 pm

1 stop11h 34m

$665

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Mon 3/30

10:12 am-9:55 pm

1 stop11h 43m

Lima J Chavez Intl

Mon 4/6

8:15 am-11:58 pm

2 stops15h 43m

$670

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

Tue 5/26

6:57 pm-5:00 am

1 stop10h 03m

Lima J Chavez Intl

Sat 6/6

12:05 am-4:55 pm

1 stop16h 50m

$685

ChicagoCusco

MDW - CUZ

MDWCUZ

Chicago Midway

Sat 3/21

4:30 pm-9:25 am

2 stops16h 55m

Cusco Velazco Astete

Thu 3/26

7:30 am-12:02 pm

2 stops28h 32m

$705

St. LouisCusco

STL - CUZ

STLCUZ

Lambert-St Louis

Fri 3/27

11:22 am-7:26 am

2 stops20h 04m

Cusco Velazco Astete

Fri 4/3

10:25 pm-5:40 pm

2 stops19h 15m

$1,068

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Peru

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

Prices

Airlines

What is the cheapest month to fly to Peru?

In general, April is the cheapest month to fly from Illinois to Peru. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $544. If you’re not able to fly to Peru in April, then September is your next best option. Flight prices from Illinois to Peru during September average around $560.

How far in advance should I book a flight to Peru?

You are more likely to see cheaper flights to Peru from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Peru for around $600 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Peru from Illinois for as low as $514 on momondo.

Can stopping save me money on Illinois to Peru flights?

You could potentially save up to 49% on your flight if you consider stops on a Illinois to Peru flight.

Cheap Illinois to Peru flight deals and tips

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

Fastest flight time	10h 15m
Direct flights	None

The fastest flight from Illinois to Peru takes 10h 15m

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

Search flight deals

When did momondo last update prices for flights from Illinois to Peru?
Prices for flights from Illinois to Peru refresh daily.
How many operators does momondo search for flights from Illinois to Peru?
As of February 2026, there are 9 operators available to choose from for flights from Illinois to Peru.
How old do you have to be to fly from Illinois to Peru?
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 Peru.
What documentation or ID do you need to fly to Peru?
The required travel and health documents for your Peru 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 Peru. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Peru

Compare and see reviews for airlines that fly from Illinois to Peru with momondo

Airline	Rating	Free Cancellation	Price
Avianca	PriceFrom $260	Free Cancellation	Rating 6.5 2,495 reviews	Search Avianca flights
Copa Airlines	PriceFrom $300	Free Cancellation	Rating 7.5 1,559 reviews	Search Copa Airlines flights
Spirit Airlines	PriceFrom $377	Free Cancellation	Rating 6.3 8,451 reviews	Search Spirit Airlines flights
Delta	PriceFrom $384	Free Cancellation	Rating 7.9 8,196 reviews	Search Delta flights
LATAM Airlines	PriceFrom $435	Free Cancellation	Rating 7.5 1,920 reviews	Search LATAM Airlines flights
United Airlines	PriceFrom $477	Free Cancellation	Rating 7.4 9,285 reviews	Search United Airlines flights
Air Canada	PriceFrom $479	Free Cancellation	Rating 7.1 10,717 reviews	Search Air Canada flights
American Airlines	PriceFrom $514	Free Cancellation	Rating 7.2 11,279 reviews	Search American Airlines flights
Aeromexico	PriceFrom $726	Free Cancellation	Rating 7.4 1,577 reviews	Search Aeromexico flights

Why use momondo?

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

It is quick and easy to find Illinois to Peru flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Peru that suits you.

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

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

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

momondo helps you find the best flight between Illinois and Peru by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Peru from Illinois 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.