HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$299+ Cheap flights from Peru to Illinois

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
LIM — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peru to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Peru to Illinois

Keep the following information in mind while searching for Peru to Illinois flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$428
(Priceline)

One-way from

$299
(FlightHub)

Popular in

June

Cheapest in

November

Average price

$590
Provider with most accurate pricing for Lima J Chavez Intl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lima J Chavez Intl-Chicago (CHI) flights.
Search Deals
From Peru to Illinois
Search Deals
One-way flight from Peru to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Peru to Illinois

Cheapest flights from Peru to Illinois
Explore the most affordable flight options available from Peru to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/22:50 amLIM - ORD
2 stops13h 15mAvianca
Tue 6/242:35 pmORD - LIM
1 stop10h 00mAvianca
Deal found 4/30$428
This Copa Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 6/94:40 pmLIM - ORD
1 stop21h 07mCopa Airlines
Mon 9/87:54 amORD - LIM
1 stop17h 01mCopa Airlines
Deal found 4/30$441
This Booking.com deal was found by Cheapflights users on 5/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/116:14 amLIM - ORD
1 stop17h 18mMultiple Airlines
Fri 7/253:45 pmORD - LIM
2 stops27h 35mMultiple Airlines
Deal found 5/1$543
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:15 pmLIM - MDW
1 stop23h 38mDelta
Thu 5/156:38 pmMDW - LIM
1 stop10h 22mDelta
Deal found 4/30$610
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:15 pmLIM - ORD
1 stop11h 43mDelta
Thu 5/157:05 amORD - LIM
1 stop14h 05mDelta
Deal found 4/30$610
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1512:05 amLIM - ORD
2 stops18h 43mLATAM Airlines
Mon 5/265:30 amORD - LIM
2 stops14h 45mLATAM Airlines
Deal found 4/30$618
This LATAM Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 5/1911:20 pmLIM - MDW
1 stop12h 33mLATAM Airlines
Mon 5/266:00 amMDW - LIM
1 stop15h 10mLATAM Airlines
Deal found 4/30$619
This eDestinos deal was found by Cheapflights users on 4/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:15 pmLIM - MDW
1 stop20h 52mMultiple Airlines
Mon 6/1612:50 pmMDW - LIM
3 stops31h 25mMultiple Airlines
Deal found 4/30$683
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Wed 5/1410:05 amLIM - STL
1 stop29h 55mMultiple Airlines
Fri 6/65:35 pmSTL - LIM
2 stops31h 20mMultiple Airlines
Deal found 4/30$833
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2111:20 pmLIM - STL
1 stop16h 58mDelta
Tue 7/2910:46 amSTL - LIM
1 stop18h 14mDelta
Deal found 5/1$848
This LATAM Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 7/218:50 amLIM - STL
2 stops15h 03mLATAM Airlines
Tue 7/296:00 amSTL - LIM
2 stops26h 00mLATAM Airlines
Deal found 5/1$857
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2810:00 pmLIM - SPI
2 stops14h 44mAmerican Airlines
Sat 8/236:38 pmSPI - LIM
2 stops27h 47mAmerican Airlines
Deal found 5/1$949

Cheapflights Fare Finder

Customize your flight search to find flights from Peru to Illinois 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 May 1, 2025.
Use the filters below to find and compare flights from Peru to Illinois that are best for you.

Fly from

Peru

Fly to

Illinois

Route

Depart

Return

Price

LimaChicago

LIM - ORD

LIMORD

Lima J Chavez Intl

Mon 6/2

2:50 am-4:05 pm

2 stops13h 15m

Chicago O'Hare Intl

Tue 6/24

2:35 pm-12:35 am

1 stop10h 00m

$428

LimaChicago

LIM - ORD

LIMORD

Lima J Chavez Intl

Mon 6/9

4:40 pm-1:47 pm

1 stop21h 07m

Chicago O'Hare Intl

Mon 9/8

7:54 am-12:55 am

1 stop17h 01m

$441

LimaChicago

LIM - ORD

LIMORD

Lima J Chavez Intl

Fri 7/11

6:14 am-11:32 pm

1 stop17h 18m

Chicago O'Hare Intl

Fri 7/25

3:45 pm-7:20 pm

2 stops27h 35m

$543

LimaChicago

LIM - MDW

LIMMDW

Lima J Chavez Intl

Mon 5/12

12:15 pm-11:53 am

1 stop23h 38m

Chicago Midway

Thu 5/15

6:38 pm-5:00 am

1 stop10h 22m

$610

LimaChicago

LIM - ORD

LIMORD

Lima J Chavez Intl

Mon 5/12

12:15 pm-11:58 pm

1 stop11h 43m

Chicago O'Hare Intl

Wed 5/14

7:59 pm-9:10 pm

1 stop25h 11m

$610

LimaChicago

LIM - ORD

LIMORD

Lima J Chavez Intl

Thu 5/15

12:05 am-6:48 pm

2 stops18h 43m

Chicago O'Hare Intl

Mon 5/26

5:30 am-8:15 pm

2 stops14h 45m

$618

LimaChicago

LIM - MDW

LIMMDW

Lima J Chavez Intl

Mon 5/19

11:20 pm-11:53 am

1 stop12h 33m

Chicago Midway

Mon 5/26

6:00 am-9:10 pm

1 stop15h 10m

$619

LimaChicago

LIM - MDW

LIMMDW

Lima J Chavez Intl

Wed 10/8

2:50 am-4:34 pm

3 stops37h 44m

Chicago Midway

Mon 10/13

12:08 pm-9:30 am

3 stops45h 22m

$793

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Wed 5/14

10:05 am-4:00 pm

1 stop29h 55m

Lambert-St Louis

Fri 6/6

5:35 pm-12:55 am

2 stops31h 20m

$833

LimaSt. Louis

LIM - STL

LIMSTL

Lima J Chavez Intl

Mon 7/21

11:20 pm-4:18 pm

1 stop16h 58m

Lambert-St Louis

Tue 7/29

10:46 am-5:00 am

1 stop18h 14m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Peru to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Peru 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 Peru to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Peru to Illinois (average of $245). Flying from Peru to Illinois in March is currently the most expensive (average of $321). 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 PE to IL?

Find hourly flight availability from Peru to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from Peru to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated May 1, 2025.
To help decide which airline to fly from Peru to Illinois, see what other customers have to say about Delta, LATAM Airlines and Copa Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.5
Good
1,415 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,698 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    $299 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Delta and LATAM Airlines, with prices starting from $336 and $340, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Peru to Illinois 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 Peru to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Peru to Illinois (average of $245). Flying from Peru to Illinois in March is currently the most expensive (average of $321). 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 Peru to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Bogotá to Miami flights
Guarulhos Intl to John F Kennedy Intl flights
Ministro Pistarini to Miami flights
Guarulhos Intl to Miami flights
Bogotá to John F Kennedy Intl flights
Guarulhos Intl to Orlando flights
Bogotá to Newark flights
Guayaquil to John F Kennedy Intl flights
Lima to Miami flights
Jose Maria Cordova Intl to Miami flights
Guarulhos Intl to Newark flights
Santiago to Miami flights
Quito to Miami flights
Lima to John F Kennedy Intl flights
Bogotá to Orlando flights
Lima to Newark flights
Jorge Newbery to Miami flights
Ministro Pistarini to John F Kennedy Intl flights
Quito to John F Kennedy Intl flights
Viracopos to Orlando flights
Bogotá to LaGuardia flights
Santiago to John F Kennedy Intl flights
Guarulhos Intl to LaGuardia flights
Jose Maria Cordova Intl to John F Kennedy Intl flights
Jose Maria Cordova Intl to Fort Lauderdale flights
Georgetown to John F Kennedy Intl flights
Guayaquil to Newark flights
Guayaquil to Miami flights
Bogotá to Fort Lauderdale flights
Viracopos to Fort Lauderdale flights
Congonhas to Orlando flights
Ministro Pistarini to Newark flights
Quito to Newark flights
Guarulhos Intl to Los Angeles flights
Jose Maria Cordova Intl to Orlando flights
Guarulhos Intl to Fort Lauderdale flights
Jose Maria Cordova Intl to Newark flights
Lima to Los Angeles flights
Guarulhos Intl to Boston flights
Guarulhos Intl to O'Hare Intl flights
Quito to LaGuardia flights
Santa Cruz de la Sierra to Miami flights
Belo Horizonte to John F Kennedy Intl flights
Jose Maria Cordova Intl to LaGuardia flights
Rio de Janeiro–Galeão Intl to Miami flights
Guayaquil to LaGuardia flights
Guayaquil to Fort Lauderdale flights
Montevideo to Miami flights
Viracopos to Miami flights

Top 5 airlines flying from Peru to Illinois

Discover the top 5 airlines that operate flights from Peru to Illinois. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$251Average$603FlexibilityNo cancel feeOn-time71%
DeltaCheapest$320Average$686FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$387Average$784FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$440Average$645FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$574Average$740FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Privacy Preferences©2025 Cheapflights