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Peru

$220+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIM
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$471
(Booking.com)

One-way from

$220
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$591
From Illinois to Peru
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One-way flight from Illinois to Peru
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Highest demand for flights based on searches. 8% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/11. 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.
sáb. 11/15:05 amORD - LIM
1 stop15h 38mMultiple Airlines
lun. 11/105:55 amLIM - ORD
1 stop17h 12mMultiple Airlines
Deal found 6/11$460
This Priceline deal was found by Cheapflights users on 6/11. 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.
mié. 8/203:45 pmORD - LIM
2 stops27h 35mAvianca
mié. 8/278:25 pmLIM - ORD
1 stop16h 50mAvianca
Deal found 6/11$492
This Justfly.com deal was found by Cheapflights users on 6/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/225:25 pmMDW - LIM
2 stops13h 00mLATAM Airlines
lun. 9/298:15 amLIM - MDW
2 stops13h 29mLATAM Airlines
Deal found 6/10$516
This Justfly.com deal was found by Cheapflights users on 6/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/203:30 pmORD - LIM
2 stops14h 55mLATAM Airlines
mié. 8/271:30 pmLIM - ORD
2 stops20h 35mLATAM Airlines
Deal found 6/11$516
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 8/206:00 amORD - LIM
1 stop14h 30mAmerican Airlines
mié. 8/2711:45 pmLIM - ORD
1 stop19h 59mAmerican Airlines
Deal found 6/11$517
This Copa Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 9/223:07 pmORD - LIM
1 stop9h 48mCopa Airlines
vie. 9/262:15 amLIM - ORD
1 stop11h 27mCopa Airlines
Deal found 6/11$520
This FlightHub deal was found by Cheapflights users on 6/10. 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.
vie. 9/127:39 pmORD - LIM
2 stops25h 04mSpirit Airlines
dom. 9/219:00 amLIM - ORD
1 stop11h 40mSpirit Airlines
Deal found 6/10$523
This Delta deal was found by Cheapflights users on 6/9. 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.
vie. 10/316:00 amORD - LIM
2 stops14h 15mDelta
jue. 11/612:15 pmLIM - ORD
1 stop12h 38mDelta
Deal found 6/9$551
This Delta deal was found by Cheapflights users on 6/9. 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.
sáb. 11/16:00 amMDW - LIM
2 stops15h 45mDelta
mar. 11/1112:15 pmLIM - MDW
1 stop10h 29mDelta
Deal found 6/9$559
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/179:21 amORD - LIM
1 stop13h 39mUnited Airlines
lun. 6/2312:40 amLIM - ORD
1 stop23h 33mUnited Airlines
Deal found 6/11$568
This Avianca Connect deal was found by Cheapflights users on 6/10. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/232:35 pmORD - CUZ
1 stop20h 25mAvianca
mar. 9/304:45 pmCUZ - ORD
1 stop20h 30mAvianca
Deal found 6/10$576
This Mytrip deal was found by Cheapflights users on 6/11. 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.
sáb. 9/135:05 amORD - CUZ
2 stops25h 19mMultiple Airlines
dom. 9/2110:57 pmCUZ - ORD
3 stops23h 50mMultiple Airlines
Deal found 6/11$635

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 junio 12, 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

ORD - LIM

ORDLIM

Chicago O'Hare Intl

sáb. 9/6

5:05 am-8:43 pm

1 stop15h 38m

Lima J Chavez Intl

sáb. 9/20

6:45 pm-1:15 pm

1 stop18h 30m

$471

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

mié. 8/20

3:45 pm-7:20 pm

2 stops27h 35m

Lima J Chavez Intl

mié. 8/27

8:25 pm-1:15 pm

1 stop16h 50m

$492

ChicagoLima

MDW - LIM

MDWLIM

Chicago Midway

dom. 8/31

4:25 pm-6:25 am

2 stops14h 00m

Lima J Chavez Intl

sáb. 9/27

8:15 am-9:44 pm

2 stops13h 29m

$516

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

mié. 8/20

3:30 pm-6:25 am

2 stops14h 55m

Lima J Chavez Intl

mar. 8/26

12:15 am-7:09 pm

2 stops18h 54m

$516

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

mié. 8/20

6:00 am-8:30 pm

1 stop14h 30m

Lima J Chavez Intl

mié. 8/27

11:45 pm-7:44 pm

1 stop19h 59m

$517

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

lun. 8/25

3:07 pm-1:20 am

1 stop10h 13m

Lima J Chavez Intl

mar. 9/2

2:15 am-1:42 pm

1 stop11h 27m

$547

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

lun. 8/25

6:00 pm-6:25 am

2 stops12h 25m

Lima J Chavez Intl

sáb. 8/30

8:15 am-11:56 pm

2 stops15h 41m

$563

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

mar. 6/17

9:21 am-11:00 pm

1 stop13h 39m

Lima J Chavez Intl

jue. 6/19

12:40 am-12:13 am

1 stop23h 33m

$568

ChicagoCusco

ORD - CUZ

ORDCUZ

Chicago O'Hare Intl

mié. 8/27

2:35 pm-11:00 am

1 stop20h 25m

Cusco Velazco Astete

lun. 9/1

4:45 pm-1:15 pm

1 stop20h 30m

$590

St. LouisLima

STL - LIM

STLLIM

Lambert-St Louis

lun. 9/29

6:15 am-11:00 pm

1 stop16h 45m

Lima J Chavez Intl

mié. 10/8

12:40 am-6:57 pm

1 stop18h 17m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 54 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, April is the cheapest month in which you can book a flight from Illinois to Peru (average of $499). Flying from Illinois to Peru in December is currently the most expensive (average of $802). 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 junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Peru as you normally would.

Rainfall in Peru by month

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

In terms of precipitation, rainfall in Peru ranges from 0.0 - 0.0 inches per month. January is typically the wettest month, when rainfall can reach 0.0 in. January is typically the driest time to visit Peru when rainfall is around 0.0 in.

Temperature in Peru by month

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

If weather is an important factor for your trip to Peru, use this chart to help with planning. For those seeking warmer temperatures, January 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 July, when temperatures are typically at their lowest (around 62.6 F).

Reviews of airlines servicing Peru

Get insights into the airlines that provide service to Peru. 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 Peru. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Illinois to Peru, such as Delta, LATAM Airlines and Copa Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aeromexico
7.5
Good
1,706 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $220. However, be on the lookout for offers from Avianca and Volaris, 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, April is the cheapest month in which you can book a flight from Illinois to Peru (average of $499). Flying from Illinois to Peru in December is currently the most expensive (average of $802). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$310Average$552FlexibilityNo cancel feeOn-time71%
DeltaCheapest$329Average$746FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$339Average$618FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$391Average$775FlexibilityNo cancel feeOn-time65%
LATAM AirlinesCheapest$477Average$826FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$504Average$831FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$513Average$824FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$749Average$860FlexibilityNo cancel feeOn-timeN/A

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