Cheap Flights to Illinois

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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, 5% potential price rise
Cheapest inOctoberBest time to find cheap flights, 3% potential price drop
Average price₹ 74,777Average for round-trip flights in August 2021
Round-trip from₹ 64,402From New Delhi Indira Gandhi Intl to Illinois
One-way from₹ 741One-way flight from New Delhi to Illinois

Cheap flights to Illinois in August, September 2021

The best prices found for ORD flights for August, September
27 Sep - 30 Oct
₹ 60,622pp
DEL
New Delhi Indira Gandhi Intl
Multiple airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
SWISS
 
1 STOP
DEL
New Delhi Indira Gandhi Intl
20 Sep - 6 Oct
₹ 62,697pp
DEL
New Delhi Indira Gandhi Intl
Lufthansa
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
 
1 STOP
DEL
New Delhi Indira Gandhi Intl
27 Sep - 30 Oct
₹ 62,771pp
DEL
New Delhi Indira Gandhi Intl
Multiple airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl

Illinois 2021 flight deals

Cheap flights to Illinois found for this year
30 Nov - 2 Dec
₹ 53,359pp
DEL
New Delhi Indira Gandhi Intl
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
DEL
New Delhi Indira Gandhi Intl
30 Nov - 2 Dec
₹ 53,434pp
DEL
New Delhi Indira Gandhi Intl
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
DEL
New Delhi Indira Gandhi Intl
4 Nov - 5 Nov
₹ 54,026pp
DEL
New Delhi Indira Gandhi Intl
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl

Last minute flights to Illinois

Late deals on return flights to Illinois, departing today and this week
8 Aug - 21 Oct
₹ 83,448pp
DEL
New Delhi Indira Gandhi Intl
British Airways
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
British Airways
 
1 STOP
DEL
New Delhi Indira Gandhi Intl
8 Aug - 21 Oct
₹ 83,819pp
DEL
New Delhi Indira Gandhi Intl
British Airways
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
British Airways
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl
9 Aug - 2 Dec
₹ 87,598pp
DEL
New Delhi Indira Gandhi Intl
Emirates
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Emirates
 
1 STOP
DEL
New Delhi Indira Gandhi Intl

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
₹ 71,362
February
₹ 66,669
March
₹ 68,704
April
₹ 71,396
May
₹ 73,209
June
₹ 75,096
July
₹ 79,835
August
₹ 96,120
September
₹ 70,718
October
₹ 68,027
November
₹ 71,411
December
₹ 70,333
February is currently the cheapest month to fly to Illinois. At this moment in time August is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

When is the best time to fly to Illinois?

Average Chicago flight ticket prices and weather conditions for 2021 and 2022 by month.
DEL - CHI
Price
₹ 66,669 - ₹ 133,664
CHI
Temperature
1 - 29 °C
CHI
Precipitation
17 - 109 mm
Whilst there are several times of the year to choose from, February is seen as the time to fly to Illinois, however, it is possible to get good deals throughout the year. July tends to be the warmest period in Illinois so if you are looking for sun or warmer climates then look to fly around this time. May is the wettest if you need to factor this in to your plans.

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

The price you pay for your flight to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Which day is cheapest to fly to Illinois?

Monday is currently, on average, the cheapest day to fly to Illinois. Flying on Saturday will result in higher flight prices.

What time of day is cheapest to fly to Illinois?

Flights at midday are typically the cheapest time of the day to fly to Illinois. Flights in the afternoon are usually the most expensive.

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.

Cheapest flights to USA

Not set on Illinois? See the cheapest flights to India. Airfare prices updated on August 03, 2021.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.
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