Prices are in New Zealand Dollars.

Cheap Flights to Illinois

Return
Economy
Boston (BOS)
Chicago (CHI)
Thu 24/6
Thu 1/7
Any month
|
Home North America USA Cheap flights to Illinois, United States

Flights to Illinois in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJanuaryHigh demand for flights, 11% potential price rise
Cheapest inMarchBest time to find cheap flights, 3% potential price drop
Average price$1,622Average for round-trip flights in June 2021
Round-trip from$2,209From Auckland Intl to Illinois
One-way from$14One-way flight from Auckland to Illinois

Cheapest prices for Illinois flights by month

The cheapest ticket to Illinois found for each month in 2021 based on historical flight searches by Cheapflights users.
January
$1,923
February
$1,582
March
$1,221
April
$1,413
May
$1,428
June
$1,587
July
$1,456
August
$1,606
September
$1,448
October
$1,475
November
$1,533
December
$1,793
Currently, the cheapest month for flights to Illinois is March. The most expensive month for flights is January. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

When is the best time to fly to Illinois?

Average Chicago flight ticket prices and weather conditions for 2021 and 2022 by month.
AKL - CHI
Price
$1,221 - $2,161
CHI
Temperature
1 - 29 °C
CHI
Rainfall
17 - 109 mm
The best time to fly to Illinois is during January, but great deals can be found at other times. July sees the temperatures in Illinois peak to their warmest. May tends, on average, to see the most amount of rainfall.

When is the best time to book a flight to Illinois?

To ensure you get the cheapest price possible for a flight to Illinois, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Which day is cheapest to fly to Illinois?

The cheapest day to fly to Illinois is usually Tuesday. At the moment, Saturday is the most expensive.

What time of day is cheapest to fly to Illinois?

Illinois flights can be made cheaper if you choose a flight in the morning. Booking a flight in the evening will likely mean higher prices.

Cheap flights to Illinois in June, July 2021

The best prices found for ORD flights for June, July
17 Jul - 24 Jul
$2,493pp
AKL
Auckland Intl
Emirates
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Emirates
   
2 STOPS
AKL
Auckland Intl
17 Jul - 24 Jul
$2,516pp
AKL
Auckland Intl
Emirates
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Emirates
 
1 STOP
AKL
Auckland Intl
15 Jul - 12 Aug
$3,099pp
AKL
Auckland Intl
Emirates
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Emirates
     
3 STOPS
AKL
Auckland Intl

Illinois 2021 flight deals

Cheap flights to Illinois found for this year
16 Dec - 31 Dec
$1,866pp
AKL
Auckland Intl
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
AKL
Auckland Intl
16 Dec - 31 Dec
$1,965pp
AKL
Auckland Intl
Air New Zealand
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air New Zealand
Direct
AKL
Auckland Intl
22 Sep - 29 Sep
$2,209pp
AKL
Auckland Intl
Multiple airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
AKL
Auckland Intl

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to Illinois flight prices.

Find flights to Illinois

Select your preferred flight destination in Illinois from the list below.
Select your preferred route to Illinois from New Zealand below

Cheapest flights to USA

Not set on Illinois? See the cheapest flights to New Zealand. Airfare prices updated on June 17, 2021.
Home North America USA Cheap flights to Illinois, United States
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First