Cheap flights from Illinois to Peru from $181

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 Peru departing on 10/21. 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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Cheap round-trip flights

Delta Logo
6:00 am - 8:15 pmMDW-LIM
14h 15m2 stops
Delta Logo
11:40 pm - 4:09 pmLIM-MDW
16h 29m1 stop
$436Delta
Find Deal
Tue, Oct 21 - Tue, Oct 28
LATAM Airlines Logo
6:45 am - 8:00 amORD-LIM
25h 15m2 stops
LATAM Airlines Logo
8:50 am - 8:41 amLIM-ORD
24h 51m2 stops
$436LATAM Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 11
Copa Airlines Logo
7:59 am - 1:20 amORD-LIM
17h 21m1 stop
Copa Airlines Logo
2:15 am - 12:46 pmLIM-ORD
11h 31m1 stop
$439Copa Airlines
Find Deal
Thu, Oct 30 - Fri, Nov 7
Multiple Airlines Logo
8:30 pm - 12:50 amORD-LIM
27h 20m3 stops
Multiple Airlines Logo
5:35 pm - 9:00 pmLIM-ORD
28h 25m2 stops
$441Multiple Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
8:50 am - 11:55 pmORD-LIM
14h 05m1 stop
United Airlines Logo
1:50 am - 12:28 amLIM-ORD
23h 38m1 stop
$443United Airlines
Find Deal
Wed, Jan 28 - Sat, Jan 31
American Airlines Logo
10:25 am - 11:25 pmORD-LIM
12h 00m1 stop
American Airlines Logo
12:45 am - 12:04 pmLIM-ORD
12h 19m1 stop
$444American Airlines
Find Deal
Fri, Nov 7 - Thu, Nov 13
Copa Airlines Logo
6:57 am - 12:55 amORD-LIM
16h 58m1 stop
Copa Airlines Logo
2:35 am - 12:31 pmLIM-ORD
10h 56m1 stop
$446Copa Airlines
Find Deal
Mon, Jan 26 - Thu, Feb 5
American Airlines Logo
4:40 pm - 5:10 amORD-LIM
11h 30m1 stop
American Airlines Logo
12:45 am - 2:14 pmLIM-ORD
14h 29m2 stops
$448American Airlines
Find Deal
Wed, Nov 5 - Fri, Nov 14
Multiple Airlines Logo
4:45 pm - 1:50 amORD-LIM
33h 05m3 stops
Multiple Airlines Logo
5:35 pm - 9:00 pmLIM-ORD
28h 25m2 stops
$451Multiple Airlines
Find Deal
Sat, Nov 1 - Mon, Nov 10
United Airlines Logo
7:55 pm - 11:55 pmORD-LIM
27h 00m1 stop
United Airlines Logo
1:50 am - 11:10 pmLIM-ORD
22h 20m1 stop
$482United Airlines
Find Deal
Sat, Nov 22 - Mon, Nov 24

Copa Airlines flights from Illinois to Peru

Our best Copa Airlines deals on Illinois to Peru flight tickets
Copa Airlines
Oct 30
ORD7:59 amChicago O'Hare Intl
17h 21m
1 stop
LIM1:20 amLima J Chavez Intl
Nov 7
LIM2:15 amLima J Chavez Intl
11h 31m
1 stop
ORD12:46 pmChicago O'Hare Intl
Copa Airlines
Jan 26
ORD6:57 amChicago O'Hare Intl
16h 58m
1 stop
LIM12:55 amLima J Chavez Intl
Feb 5
LIM2:35 amLima J Chavez Intl
10h 56m
1 stop
ORD12:31 pmChicago O'Hare Intl
Copa Airlines
Nov 2
ORD5:56 amChicago O'Hare Intl
11h 19m
1 stop
LIM6:15 pmLima J Chavez Intl
Nov 11
LIM4:40 pmLima J Chavez Intl
21h 06m
1 stop
ORD12:46 pmChicago O'Hare Intl

American Airlines flights from Illinois to Peru

Our best American Airlines deals on Illinois to Peru flight tickets
American Airlines
Nov 7
ORD10:25 amChicago O'Hare Intl
12h 00m
1 stop
LIM11:25 pmLima J Chavez Intl
Nov 13
LIM12:45 amLima J Chavez Intl
12h 19m
1 stop
ORD12:04 pmChicago O'Hare Intl
American Airlines
Nov 5
ORD4:40 pmChicago O'Hare Intl
11h 30m
1 stop
LIM5:10 amLima J Chavez Intl
Nov 14
LIM12:45 amLima J Chavez Intl
14h 29m
2 stops
ORD2:14 pmChicago O'Hare Intl
American Airlines
Nov 2
ORD8:10 amChicago O'Hare Intl
14h 15m
1 stop
LIM11:25 pmLima J Chavez Intl
Nov 10
LIM12:45 amLima J Chavez Intl
12h 19m
1 stop
ORD12:04 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Peru 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 September 23, 2025.
Use the filters below to find and compare flights from Illinois to Peru that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLima

MDW - LIM

MDWLIM

Chicago Midway

Tue 10/21

6:00 am-8:15 pm

2 stops14h 15m

Lima J Chavez Intl

Tue 10/28

11:40 pm-4:09 pm

1 stop16h 29m

$436

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Sat 11/1

6:45 am-8:00 am

2 stops25h 15m

Lima J Chavez Intl

Tue 11/11

8:50 am-8:41 am

2 stops24h 51m

$436

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Thu 10/30

7:59 am-1:20 am

1 stop17h 21m

Lima J Chavez Intl

Fri 11/7

2:15 am-12:46 pm

1 stop11h 31m

$439

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Wed 11/12

8:30 pm-12:50 am

3 stops27h 20m

Lima J Chavez Intl

Sun 11/16

5:35 pm-9:00 pm

2 stops28h 25m

$441

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Wed 1/28

8:50 am-11:55 pm

1 stop14h 05m

Lima J Chavez Intl

Sat 1/31

1:50 am-12:28 am

1 stop23h 38m

$443

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Fri 11/7

10:25 am-11:25 pm

1 stop12h 00m

Lima J Chavez Intl

Thu 11/13

12:45 am-12:04 pm

1 stop12h 19m

$444

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Mon 1/26

6:57 am-12:55 am

1 stop16h 58m

Lima J Chavez Intl

Thu 2/5

2:35 am-12:31 pm

1 stop10h 56m

$446

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Wed 11/5

4:40 pm-5:10 am

1 stop11h 30m

Lima J Chavez Intl

Fri 11/14

12:45 am-2:14 pm

2 stops14h 29m

$448

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Sat 11/1

4:45 pm-1:50 am

3 stops33h 05m

Lima J Chavez Intl

Mon 11/10

5:35 pm-9:00 pm

2 stops28h 25m

$451

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Sat 11/22

7:55 pm-11:55 pm

1 stop27h 00m

Lima J Chavez Intl

Mon 11/24

1:50 am-11:10 pm

1 stop22h 20m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Peru from

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

What is the cheapest month to fly to Peru?

In general, November 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 $531. If you’re not able to fly to Peru in November, then February is your next best option. Flight prices from Illinois to Peru during February average around $535.

What is the cheapest day to depart on your flight to Peru?

The cheapest day to depart from Illinois to Peru is on a Wednesday when prices can be found for as low as $667. On the other hand, Saturday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $743.

What is the cheapest time of day to depart on your flight to Peru?

The cheapest time of day to fly to Peru is at noon when flights can be purchased for as low as $599. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $758 on average. Flights to Peru from Illinois in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $623 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 $511 on momondo.

Can stopping save me money on Illinois to Peru flights?

You could potentially save up to 22% 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

Direct flights

None
There are no direct flights from Illinois to Peru. There are no popular flight routes from Illinois to Peru.
  • 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?

  • 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
AviancaPriceFrom $310Free CancellationRating
6.7
2,440 reviews
Search Avianca flights
DeltaPriceFrom $329Free CancellationRating
7.9
7,974 reviews
Search Delta flights
Copa AirlinesPriceFrom $332Free CancellationRating
7.6
1,536 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $391Free CancellationRating
6.3
8,041 reviews
Search Spirit Airlines flights
LATAM AirlinesPriceFrom $453Free CancellationRating
7.5
1,854 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $477Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $509Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
AeromexicoPriceFrom $772Free CancellationRating
7.4
1,693 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.

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1 adult
Thu 10/23
Thu 10/30

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