To save on the cost of your flight from Illinois to Peru, book at least 42 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $560 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $633.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Peru. Flights to Peru from Illinois in October are about $686 on average during October, but can be found for as low as $521.
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.
Fly from
Fly to
Budget
$487 - $1,081
Route
Depart
Return
Price
Lambert-St LouisLima J Chavez Intl
STL - LIM
STLLIM
Lambert-St Louis
Fri 8/23
2 stops28h 39m
Lima J Chavez Intl
Tue 8/27
2 stops20h 19m
Chicago O'Hare IntlLima J Chavez Intl
ORD - LIM
ORDLIM
Chicago O'Hare Intl
Mon 9/9
2 stops17h 25m
Lima J Chavez Intl
Sat 9/21
2 stops21h 51m
Chicago O'Hare IntlLima J Chavez Intl
ORD - LIM
ORDLIM
Chicago O'Hare Intl
Mon 9/9
2 stops17h 25m
Lima J Chavez Intl
Sat 9/21
2 stops21h 51m
Chicago O'Hare IntlLima J Chavez Intl
ORD - LIM
ORDLIM
Chicago O'Hare Intl
Tue 9/10
1 stop17h 09m
Lima J Chavez Intl
Tue 10/1
1 stop12h 07m
Chicago O'Hare IntlLima J Chavez Intl
ORD - LIM
ORDLIM
Chicago O'Hare Intl
Sun 10/6
1 stop13h 30m
Lima J Chavez Intl
Tue 10/15
2 stops20h 28m
Chicago MidwayLima J Chavez Intl
MDW - LIM
MDWLIM
Chicago Midway
Fri 11/1
1 stop11h 29m
Lima J Chavez Intl
Sun 11/10
1 stop13h 03m
Chicago O'Hare IntlLima J Chavez Intl
ORD - LIM
ORDLIM
Chicago O'Hare Intl
Thu 10/24
1 stop15h 20m
Lima J Chavez Intl
Sat 10/26
1 stop12h 52m
Chicago O'Hare IntlLima J Chavez Intl
ORD - LIM
ORDLIM
Chicago O'Hare Intl
Wed 9/25
1 stop25h 50m
Lima J Chavez Intl
Tue 10/8
1 stop20h 30m
Chicago O'Hare IntlCusco Velazco Astete
ORD - CUZ
ORDCUZ
Chicago O'Hare Intl
Fri 8/9
2 stops28h 25m
Cusco Velazco Astete
Thu 8/22
2 stops29h 10m
No data available for this route at this time. Please check back soon.
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Comfort
Entertainment
Food
Boarding
Crew
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
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