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₹ 75,675Average for round-trip flights in April 2021
Round-trip from₹ 60,585From New Delhi to Illinois
One-way from₹ 751One-way flight from New Delhi 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
₹ 72,291
February
₹ 67,536
March
₹ 69,598
April
₹ 72,325
May
₹ 74,161
June
₹ 76,073
July
₹ 80,873
August
₹ 97,371
September
₹ 71,637
October
₹ 68,912
November
₹ 72,340
December
₹ 71,248
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
₹ 67,536 - ₹ 135,403
CHI
Temperature
1 - 29 °C
CHI
Rainfall
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.

Cheap flights to Illinois in April, May 2021

The best prices found for ORD flights for April, May
12 May - 13 Jun
₹ 59,534pp
DEL
New Delhi Indira Gandhi Intl
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl
22 May - 8 Jul
₹ 59,984pp
DEL
New Delhi Indira Gandhi Intl
Air France
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air France
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl
29 May - 29 Aug
₹ 60,135pp
DEL
New Delhi Indira Gandhi Intl
Multiple airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
KLM
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl

Illinois 2021 flight deals

Cheap flights to Illinois found for this year
2 Jun - 1 Sep
₹ 58,858pp
DEL
New Delhi Indira Gandhi Intl
LOT
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
DEL
New Delhi Indira Gandhi Intl
16 Jun - 18 Aug
₹ 59,008pp
DEL
New Delhi Indira Gandhi Intl
LOT
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
DEL
New Delhi Indira Gandhi Intl
11 Jun - 18 Jun
₹ 59,084pp
DEL
New Delhi Indira Gandhi Intl
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple 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
1 May - 15 Jul
₹ 60,885pp
DEL
New Delhi Indira Gandhi Intl
Delta
   
2 STOPS
MDW
Chicago Midway
MDW
Chicago Midway
Delta
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl
30 Apr - 5 Oct
₹ 61,035pp
DEL
New Delhi Indira Gandhi Intl
Japan Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Japan Airlines
 
1 STOP
DEL
New Delhi Indira Gandhi Intl
30 Apr - 7 Jul
₹ 61,035pp
DEL
New Delhi Indira Gandhi Intl
Delta
   
2 STOPS
MDW
Chicago Midway
MDW
Chicago Midway
Delta
   
2 STOPS
DEL
New Delhi Indira Gandhi 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.

Cheapest flights to USA

Not set on Illinois? See the cheapest flights to India. Airfare prices updated on April 21, 2021.

Popular flight searches

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