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

The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as $196. However, be on the lookout for offers from Spirit Airlines and Volaris, as they are both options that can get you from Illinois to Peru for a low price.

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

To save on the cost of your flight from Illinois to Peru, book at least 27 days before your planned departure. Booking around this time can save you about 88% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $480 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $649.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Peru. Flights to Peru from Illinois in February are about $669 on average during February, but can be found for as low as $195.

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.

$550+ Flights from Illinois to Peru

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Cheap flight deals from Illinois to Peru

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$423 (CheapOair)
One-way from	$196 (Priceline)
Popular in	December
Cheapest in	February
Average price	$580

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.

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From Illinois to Peru

Search Deals

One-way flight from Illinois to Peru

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($50 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 25, 2025.

Sat 9/275:05 amORD - LIM

1 stop15h 38mMultiple Airlines

Sat 10/46:14 amLIM - ORD

1 stop17h 18mMultiple Airlines

Deal found 4/24

$423

Sun 6/13:45 pmORD - LIM

2 stops32h 50mAvianca

Wed 6/41:40 amLIM - ORD

2 stops36h 45mAvianca

Deal found 4/25

$445

Mon 6/97:54 amORD - LIM

1 stop17h 01mCopa Airlines

Mon 6/164:40 pmLIM - ORD

1 stop21h 07mCopa Airlines

Deal found 4/25

$511

Tue 5/272:35 pmORD - CUZ

1 stop20h 25mAvianca

Tue 6/34:45 pmCUZ - ORD

1 stop20h 30mAvianca

Deal found 4/23

$522

Tue 10/216:00 amMDW - LIM

2 stops14h 15mDelta

Wed 11/512:15 pmLIM - MDW

1 stop10h 29mDelta

Deal found 4/24

$541

Fri 5/27:05 amORD - LIM

1 stop14h 05mDelta

Thu 5/2212:05 amLIM - ORD

2 stops18h 54mDelta

Deal found 4/25

$541

Tue 6/35:30 amORD - LIM

2 stops14h 45mLATAM Airlines

Mon 6/912:05 amLIM - ORD

2 stops21h 19mLATAM Airlines

Deal found 4/25

$542

Tue 9/236:00 amMDW - LIM

2 stops14h 15mLATAM Airlines

Thu 10/212:15 pmLIM - MDW

1 stop21h 36mLATAM Airlines

Deal found 4/25

$548

Wed 5/141:55 amORD - LIM

1 stop21h 05mAeromexico

Sat 5/315:20 pmLIM - ORD

1 stop30h 35mAeromexico

Deal found 4/25

$558

Mon 6/94:54 pmORD - AQP

2 stops27h 41mMultiple Airlines

Mon 6/1612:45 pmAQP - ORD

2 stops25h 25mMultiple Airlines

Deal found 4/25

$572

Mon 4/289:50 amORD - LIM

1 stop10h 40mAmerican Airlines

Wed 5/711:45 pmLIM - ORD

1 stop19h 36mAmerican Airlines

Deal found 4/25

$579

Tue 8/268:15 amSTL - LIM

2 stops17h 30mAvianca

Tue 9/96:45 pmLIM - STL

2 stops15h 17mAvianca

Deal found 4/25

$624

Best flights from Illinois to Peru
Discover carefully curated flight deals from Illinois to Peru that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Sat 9/275:05 amORD - LIM

1 stop15h 38mMultiple Airlines

Sat 10/46:14 amLIM - ORD

1 stop17h 18mMultiple Airlines

Deal found 4/24

$423

Sun 6/13:45 pmORD - LIM

2 stops32h 50mAvianca

Wed 6/41:40 amLIM - ORD

2 stops36h 45mAvianca

Deal found 4/25

$445

Mon 6/97:54 amORD - LIM

1 stop17h 01mCopa Airlines

Mon 6/164:40 pmLIM - ORD

1 stop21h 07mCopa Airlines

Deal found 4/25

$511

Tue 10/216:00 amMDW - LIM

2 stops14h 15mDelta

Wed 11/512:15 pmLIM - MDW

1 stop10h 29mDelta

Deal found 4/24

$541

Tue 6/35:30 amORD - LIM

2 stops14h 45mLATAM Airlines

Mon 6/912:05 amLIM - ORD

2 stops21h 19mLATAM Airlines

Deal found 4/25

$542

Wed 5/141:55 amORD - LIM

1 stop21h 05mAeromexico

Sat 5/315:20 pmLIM - ORD

1 stop30h 35mAeromexico

Deal found 4/25

$558

Wed 6/41:40 amORD - LIM

1 stop27h 26mVolaris

Thu 6/196:14 amLIM - ORD

1 stop23h 28mVolaris

Deal found 4/24

$636

Mon 9/295:30 pmSTL - LIM

2 stops27h 55mUnited Airlines

Wed 10/812:40 amLIM - STL

1 stop18h 24mUnited Airlines

Deal found 4/25

$664

Tue 8/265:32 amSTL - LIM

1 stop16h 49mAmerican Airlines

Mon 9/156:55 amLIM - STL

1 stop16h 06mAmerican Airlines

Deal found 4/25

$706

Tue 5/272:35 pmORD - CUZ

1 stop20h 25mAvianca

Tue 6/34:45 pmCUZ - ORD

1 stop20h 30mAvianca

Deal found 4/23

$522

Tue 9/236:00 amORD - LIM

2 stops14h 15mDelta

Thu 10/28:50 amLIM - ORD

2 stops15h 03mDelta

Deal found 4/25

$541

Tue 9/236:00 amMDW - LIM

2 stops14h 15mLATAM Airlines

Thu 10/212:15 pmLIM - MDW

1 stop21h 36mLATAM Airlines

Deal found 4/25

$548

Last-minute flights from Illinois to Peru
Discover last-minute flight deals from Illinois to Peru. Data last updated April 25, 2025 and is based on user searches.

Mon 4/289:50 amORD - LIM

1 stop10h 40mAmerican Airlines

Wed 5/711:45 pmLIM - ORD

1 stop19h 36mAmerican Airlines

Deal found 4/25

$579

Wed 4/309:50 amORD - LIM

1 stop12h 35mAmerican Airlines

Tue 5/2010:00 pmLIM - ORD

1 stop20h 11mAmerican Airlines

Deal found 4/25

$579

Wed 4/307:45 amORD - LIM

1 stop12h 55mUnited Airlines

Fri 5/912:40 amLIM - ORD

1 stop11h 40mUnited Airlines

Deal found 4/23

$629

Thu 5/11:49 amORD - LIM

1 stop21h 11mAeromexico

Sat 5/245:20 pmLIM - ORD

1 stop20h 44mAeromexico

Deal found 4/25

$634

Thu 5/17:54 amORD - LIM

1 stop14h 51mCopa Airlines

Sun 5/41:15 amLIM - ORD

1 stop12h 32mCopa Airlines

Deal found 4/25

$695

Thu 5/19:52 amMDW - LIM

1 stop11h 18mDelta

Mon 5/511:20 pmLIM - MDW

1 stop16h 52mDelta

Deal found 4/25

$752

Thu 5/18:25 amSTL - LIM

2 stops33h 15mAvianca

Fri 5/91:40 amLIM - STL

2 stops32h 18mAvianca

Deal found 4/25

$977

Thu 5/16:09 pmSTL - LIM

1 stop10h 21mAmerican Airlines

Sat 5/1010:00 pmLIM - STL

1 stop19h 29mAmerican Airlines

Deal found 4/24

$984

Fri 5/22:35 pmORD - LIM

1 stop18h 55mAvianca

Wed 5/218:25 pmLIM - ORD

1 stop16h 50mAvianca

Deal found 4/25

$524

Fri 5/22:35 pmORD - LIM

1 stop18h 55mMultiple Airlines

Fri 5/236:14 amLIM - ORD

1 stop17h 18mMultiple Airlines

Deal found 4/25

$531

Fri 5/27:05 amORD - LIM

1 stop14h 05mDelta

Thu 5/2212:05 amLIM - ORD

2 stops18h 54mDelta

Deal found 4/25

$541

Fri 5/26:04 amMDW - LIM

2 stops15h 41mLATAM Airlines

Fri 5/2311:20 pmLIM - MDW

1 stop10h 20mLATAM Airlines

Deal found 4/25

$574

One-way flights from Illinois to Peru
Search for one-way flight options from Illinois to Peru. Find affordable one-way fares based on user searches. Data last updated April 25, 2025.

Fri 7/43:45 pmORD - LIM

2 stops27h 35mAvianca

Deal found 4/24

$196

Sat 9/275:05 amORD - LIM

1 stop15h 38mSpirit Airlines

Deal found 4/23

$217

Thu 6/57:37 amORD - LIM

2 stops18h 08mMultiple Airlines

Deal found 4/25

$234

Mon 6/92:35 pmORD - CUZ

1 stop20h 25mAvianca

Deal found 4/24

$255

Mon 5/126:34 pmORD - LIM

2 stops34h 32mVolaris

Deal found 4/24

$271

Fri 5/302:53 pmMDW - LIM

2 stops26h 47mMultiple Airlines

Deal found 4/25

$295

Sun 8/178:00 amSTL - LIM

3 stops41h 45mMultiple Airlines

Deal found 4/23

$311

Sat 5/310:28 amORD - LIM

2 stops11h 57mAmerican Airlines

Deal found 4/25

$316

Thu 8/141:07 amORD - LIM

1 stop11h 18mCopa Airlines

Deal found 4/25

$328

Tue 9/21:05 pmMDW - LIM

1 stop15h 55mDelta

Deal found 4/25

$336

Tue 9/27:10 amORD - LIM

2 stops14h 30mDelta

Deal found 4/25

$336

Thu 5/156:00 amMDW - LIM

2 stops26h 00mLATAM Airlines

Deal found 4/24

$339

Cheapflights Fare Finder

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

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Sat 9/27

5:05 am-8:43 pm

1 stop15h 38m

Lima J Chavez Intl

Sat 10/4

6:14 am-11:32 pm

1 stop17h 18m

$423

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Sun 6/1

3:45 pm-12:35 am

2 stops32h 50m

Lima J Chavez Intl

Wed 6/4

1:40 am-2:25 pm

2 stops36h 45m

$445

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Mon 6/9

7:54 am-12:55 am

1 stop17h 01m

Lima J Chavez Intl

Mon 6/16

4:40 pm-1:47 pm

1 stop21h 07m

$511

ChicagoCusco

ORD - CUZ

ORDCUZ

Chicago O'Hare Intl

Tue 5/27

2:35 pm-11:00 am

1 stop20h 25m

Cusco Velazco Astete

Tue 6/3

4:45 pm-1:15 pm

1 stop20h 30m

$522

ChicagoLima

MDW - LIM

MDWLIM

Chicago Midway

Tue 10/21

1:05 pm-5:00 am

1 stop15h 55m

Lima J Chavez Intl

Wed 11/5

12:15 pm-9:44 pm

1 stop10h 29m

$541

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Tue 9/23

6:00 am-8:15 pm

2 stops14h 15m

Lima J Chavez Intl

Thu 10/2

8:50 am-11:53 pm

2 stops15h 03m

$541

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Tue 6/3

5:30 am-8:15 pm

2 stops14h 45m

Lima J Chavez Intl

Mon 6/9

12:05 am-9:24 pm

2 stops21h 19m

$542

ChicagoLima

MDW - LIM

MDWLIM

Chicago Midway

Tue 9/23

6:00 am-8:15 pm

2 stops14h 15m

Lima J Chavez Intl

Thu 10/2

12:15 pm-9:51 am

1 stop21h 36m

$548

ChicagoLima

ORD - LIM

ORDLIM

Chicago O'Hare Intl

Wed 5/14

1:55 am-11:00 pm

1 stop21h 05m

Lima J Chavez Intl

Sat 5/31

5:20 pm-11:55 pm

1 stop30h 35m

$558

ChicagoArequipa

ORD - AQP

ORDAQP

Chicago O'Hare Intl

Mon 6/9

4:54 pm-8:35 pm

2 stops27h 41m

Arequipa Rodriguez Ballon

Mon 6/16

12:45 pm-2:10 pm

2 stops25h 25m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 58 results

...

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?

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

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

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

Read through reviews of airlines operating flights from Illinois to Peru, such as Delta, Copa Airlines and LATAM 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

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines

7.6

Good

1,411 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines

7.5

Good

1,767 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico

7.5

Good

1,698 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,685 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Illinois to Peru one-way?
The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as $196. However, be on the lookout for offers from Spirit Airlines 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

Alternative routes for Illinois to Peru

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Hobby to Jose Maria Cordova Intl flights

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Los Angeles to Guarulhos Intl flights

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Illinois to Peru flights

O'Hare Intl to Lima flights

Midway to Lima flights

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St. Louis to Lima flights

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O'Hare Intl to Trujillo flights

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Moline to Cuzco flights

Springfield to Lima flights

St. Louis to Arequipa flights

Top 7 airlines flying from Illinois to Peru

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest$310	Average$547	FlexibilityNo cancel fee	On-time71%
Copa Airlines	Cheapest$339	Average$626	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$342	Average$708	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$391	Average$775	FlexibilityNo cancel fee	On-time65%
LATAM Airlines	Cheapest$481	Average$850	FlexibilityNo cancel fee	On-time81%
American Airlines	Cheapest$516	Average$886	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$608	Average$870	FlexibilityNo cancel fee	On-time69%

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$196+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.

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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 April 25, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Illinois to Peru

Cheapest flights from Illinois to PeruExplore 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 April 25, 2025.

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 April 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Peru that are best for you.

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.

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?

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 April 25, 2025.

Rainfall in Peru by month

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

Temperature in Peru by month

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

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 April 25, 2025.

Read through reviews of airlines operating flights from Illinois to Peru, such as Delta, Copa Airlines and LATAM 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.

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?

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

How can I find direct flights from Illinois to Peru?

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

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

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.

Top 7 airlines flying from Illinois to Peru

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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 April 25, 2025.