$180 Find Cheap Flights from Peru to Illinois - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Peru to Illinois departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Peru to Illinois

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Peru to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Peru to Illinois

Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
6:04 am - 11:47 pm
LIM
-
ORD
17h 43m
1 stop
Multiple Airlines Logo
12:12 pm - 11:44 pm
ORD
-
LIM
11h 32m
1 stop
$485Multiple Airlines
Fri, Sep 11 - Sat, Sep 19
Multiple Airlines Logo
6:04 am - 11:47 pm
LIM
-
ORD
17h 43m
1 stop
Multiple Airlines Logo
12:12 pm - 11:44 pm
ORD
-
LIM
11h 32m
1 stop
$493Multiple Airlines
Thu, Aug 27 - Sat, Aug 29
Avianca Logo
11:45 am - 9:20 pm
LIM
-
ORD
33h 35m
1 stop
Avianca Logo
8:45 am - 12:50 am
ORD
-
LIM
16h 05m
2 stops
$684Avianca
Thu, Aug 27 - Sat, Aug 29
Avianca Logo
11:45 am - 9:20 pm
LIM
-
ORD
33h 35m
1 stop
Avianca Logo
8:45 am - 12:50 am
ORD
-
LIM
16h 05m
2 stops
$701Avianca
Tue, Sep 15 - Tue, Sep 22
LATAM Airlines Logo
12:05 pm - 9:49 am
LIM
-
MDW
21h 44m
1 stop
LATAM Airlines Logo
6:05 am - 8:20 pm
MDW
-
LIM
14h 15m
2 stops
$759LATAM Airlines
Fri, Sep 4 - Fri, Sep 25
LATAM Airlines Logo
12:05 pm - 9:40 am
LIM
-
ORD
21h 35m
1 stop
LATAM Airlines Logo
5:30 am - 8:20 pm
ORD
-
LIM
14h 50m
2 stops
$759LATAM Airlines
Wed, Sep 16 - Tue, Sep 22
Copa Airlines Logo
2:35 am - 1:02 am
LIM
-
ORD
22h 27m
1 stop
Copa Airlines Logo
8:01 am - 12:55 am
ORD
-
LIM
16h 54m
1 stop
$779Copa Airlines
Tue, Sep 15 - Thu, Oct 8
Copa Airlines Logo
7:00 am - 1:02 am
LIM
-
ORD
18h 02m
1 stop
Copa Airlines Logo
8:01 am - 1:20 am
ORD
-
LIM
17h 19m
1 stop
$779Copa Airlines
Fri, Nov 6 - Mon, Nov 9
Delta Logo
11:40 pm - 12:47 pm
LIM
-
MDW
14h 07m
2 stops
Delta Logo
6:00 am - 8:30 pm
MDW
-
LIM
13h 30m
2 stops
$783Delta
Thu, Nov 12 - Sun, Nov 15
Delta Logo
1:00 am - 4:14 pm
LIM
-
MDW
16h 14m
2 stops
Delta Logo
6:00 am - 9:20 pm
MDW
-
LIM
14h 20m
1 stop
$783Delta
Booking Insights

KAYAK's insights & trends for flights to Illinois

Get data-powered insights and trends for flights to Illinois to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Peru to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Peru to Illinois is December, when tickets cost $318 (return) on average. On the other hand, the most expensive months are January and March, when the average cost of round-trip tickets is $555 and $480 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Peru to Illinois, you should book around 3 weeks before departure, which saves you about 12% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Find deals

Good to know

Low season

February

Cheapest flight

$180
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly and prices are also 20% lower on average.
Flight from Lima to Chicago O'Hare Airport

FAQs for booking flights from Peru to Illinois

  • How does KAYAK find such low prices on flights from Peru to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Peru to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Peru to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Peru to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Peru to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Peru to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Peru to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Peru to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Illinois

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Illinois
Business Class flights to Illinois
Premium Economy Class flights to Illinois
Economy Class flights to Illinois