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Peru

$172+ Cheap flights from Illinois to Peru

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIM
nov 29 — dez 61
sáb 11/29
sáb 12/6
1 adult, Economy
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Find flight deals from Illinois to Peru

Cheapest flights from Illinois to Peru
Explore the most affordable flight options available from Illinois to Peru. Find the lowest fares from popular airlines and budget airlines, with prices last updated on outubro 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 12/77:41 pmORD - LIM
1 stop17h 59mMultiple Airlines
sáb 12/1311:37 pmLIM - ORD
1 stop24h 25mMultiple Airlines
Deal found 10/29$441
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 12/23:53 pmORD - LIM
2 stops21h 47mMultiple Airlines
qua 12/106:04 amLIM - ORD
1 stop17h 02mMultiple Airlines
Deal found 10/28$442
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/33:53 pmORD - LIM
2 stops21h 47mMultiple Airlines
qua 12/106:04 amLIM - ORD
1 stop17h 02mMultiple Airlines
Deal found 10/28$443
This LATAM Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/510:40 amMDW - LIM
1 stop9h 40mLATAM Airlines
qua 11/1211:40 pmLIM - MDW
1 stop13h 12mLATAM Airlines
Deal found 10/29$444
This KAYAK deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/38:20 amORD - LIM
2 stops37h 15mSpirit Airlines
qua 12/1011:37 pmLIM - ORD
1 stop12h 31mSpirit Airlines
Deal found 10/29$446
This Copa Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/56:56 amORD - LIM
1 stop17h 24mCopa Airlines
sex 11/142:35 amLIM - ORD
1 stop11h 11mCopa Airlines
Deal found 10/28$447
This KAYAK deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 12/77:10 amORD - LIM
1 stop14h 25mSpirit Airlines
seg 12/1511:37 pmLIM - ORD
1 stop12h 36mSpirit Airlines
Deal found 10/29$448
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 11/75:20 amORD - LIM
2 stops22h 40mLATAM Airlines
ter 11/111:30 pmLIM - ORD
2 stops22h 07mLATAM Airlines
Deal found 10/28$449
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/116:15 amORD - LIM
1 stop15h 20mMultiple Airlines
sáb 1/3111:59 pmLIM - ORD
1 stop20h 30mMultiple Airlines
Deal found 10/29$453
This Travelocity deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 12/88:53 pmORD - LIM
2 stops24h 42mSpirit Airlines
ter 1/1311:59 pmLIM - ORD
2 stops20h 17mSpirit Airlines
Deal found 10/28$454
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/116:15 amORD - LIM
1 stop15h 20mMultiple Airlines
sáb 1/312:55 amLIM - ORD
2 stops17h 09mMultiple Airlines
Deal found 10/29$455
This CheapOair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 12/57:10 amORD - LIM
1 stop14h 25mSpirit Airlines
ter 12/911:37 pmLIM - ORD
1 stop12h 36mSpirit Airlines
Deal found 10/28$459

Cheap flight deals from Illinois to Peru

Keep the following information in mind while searching for Illinois to Peru flight deals. Data was last updated outubro 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$441
(Kiwi.com)

One-way from

$172
(Flightnetwork)

Popular in

December

Cheapest in

February

Average price

$574
Provider with most accurate pricing for Chicago (CHI)-Lima J Chavez Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Lima J Chavez Intl flights.
Search Deals
From Illinois to Peru
Search Deals
One-way flight from Illinois to Peru
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated outubro 30, 2025.
Use the filters below to find and compare flights from Illinois to Peru that are best for you.

Fly from

Illinois

Fly to

Peru

Route

Depart

Return

Price

ChicagoLima

MDW - LIM

MDWLIM

Chicago Midway

seg 1/19

7:00 am-11:10 pm

1 stop15h 10m

Lima J Chavez Intl

dom 1/25

9:45 am-11:25 pm

2 stops38h 40m

$479

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

sáb 11/15

6:56 am-7:15 pm

1 stop11h 19m

Lima J Chavez Intl

qua 11/26

1:20 pm-12:05 am

1 stop11h 45m

$507

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

seg 11/10

4:26 pm-5:00 am

1 stop11h 34m

Lima J Chavez Intl

sex 2/27

12:15 pm-11:54 pm

1 stop12h 39m

$509

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

qua 11/12

7:10 am-11:55 pm

1 stop15h 45m

Lima J Chavez Intl

ter 11/25

1:50 am-9:17 pm

1 stop20h 27m

$510

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

sex 11/14

8:50 am-11:55 pm

1 stop14h 05m

Lima J Chavez Intl

ter 11/25

1:50 am-7:56 pm

1 stop19h 06m

$510

ChicagoLima

MDW - LIM

MDWLIM

Chicago Midway

sáb 11/15

6:00 am-9:40 pm

2 stops14h 40m

Lima J Chavez Intl

qua 11/26

12:15 pm-11:40 pm

1 stop12h 25m

$515

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

sex 11/14

5:23 am-9:40 pm

2 stops15h 17m

Lima J Chavez Intl

qua 11/26

10:45 am-12:02 am

2 stops14h 17m

$515

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

qui 11/13

6:45 am-6:00 am

2 stops22h 15m

Lima J Chavez Intl

ter 12/2

12:15 pm-8:04 am

2 stops20h 49m

$515

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

qui 11/13

6:45 am-6:00 am

2 stops22h 15m

Lima J Chavez Intl

qui 11/27

12:15 pm-10:01 am

2 stops22h 46m

$515

ChicagoArequipa

ORD - AQP

ORDAQP

Chicago O'Hare Intl

seg 11/10

5:56 pm-8:15 am

2 stops13h 19m

Arequipa Rodriguez Ballon

sáb 11/15

9:10 am-10:30 pm

2 stops14h 20m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Peru

Have a flexible travel schedule? Discover the best time to fly to Peru from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Peru

What is the cheapest month to book a flight from Illinois to Peru?

Currently, June is the cheapest month in which you can book a flight from Illinois to Peru (average of $193). Flying from Illinois to Peru in August is currently the most expensive (average of $477). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to PE?

Find hourly flight availability from Illinois to Peru. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated outubro 30, 2025.

It’s typically best to fly out from Illinois to Peru at noon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Illinois to Peru?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Peru. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Peru flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Peru. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Peru?

    A quick flight from Illinois to Peru can take about 11h 19m. Copa Airlines provides one of the quickest options available for as low as $507. The distance from Illinois to Peru is about 3791 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Peru one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $199. However, be on the lookout for offers from Avianca and Delta, as they are both options that can get you from Illinois to Peru for a low price.

  • Can I find deals for flights from Illinois to Peru that include hotel bookings?

    Yes. In addition to deals on Illinois to Peru flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Peru?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Peru.

  • Can I find deals for business class flights from Illinois to Peru?

    Yes. Cheapflights offers flight deals from Illinois to Peru by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Peru?

    Currently, June is the cheapest month in which you can book a flight from Illinois to Peru (average of $193). Flying from Illinois to Peru in August is currently the most expensive (average of $477). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Peru

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Illinois to Peru

Discover the top 8 airlines that operate flights from Illinois to Peru. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated outubro 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$310Average$563FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$334Average$583FlexibilityNo cancel feeOn-time70%
DeltaCheapest$374Average$806FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$398Average$768FlexibilityNo cancel feeOn-time65%
LATAM AirlinesCheapest$435Average$849FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$477Average$667FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$512Average$874FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$726Average$825FlexibilityNo cancel feeOn-timeN/A

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