Cheap Flights to Illinois

Return
Economy
Boston (BOS)
Chicago (CHI)
Thu 29/4
Thu 6/5
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, 5% potential price rise
Cheapest inOctoberBest time to find cheap flights, 3% potential price drop
Average price₹ 75,994Average for round-trip flights in April 2021
Round-trip from₹ 60,840From New Delhi to Illinois
One-way from₹ 754One-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
₹ 72,595
February
₹ 67,821
March
₹ 69,891
April
₹ 72,630
May
₹ 74,474
June
₹ 76,393
July
₹ 81,214
August
₹ 97,781
September
₹ 71,939
October
₹ 69,202
November
₹ 72,645
December
₹ 71,548
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
₹ 67,820 - ₹ 135,973
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.

Sitting along the banks of the Mississippi River and Lake Michigan, Illinois’s accessible location has for centuries made it an important hub. Historically emigrants from Mexico, Ireland and Poland would make the long journey over in search of work and a new home. Abraham Lincoln was among those who called Illinois home and the state honoured him by naming the small city of Lincoln after him – before he became president.

Most travellers booking flights to Illinois would probably pick Chicago as their city of choice for its renowned restaurant scene and shopping but there’s so much more to see in including 6,900 kilometres of shoreline and more than 50 state parks, making it one of the most scenic states in the US.

Search and compare: flights to Illinois

Back to top

Illinois climate

Illinois’s winters are very cold and long with snow and icy winds from late November through to April. Summers, especially July and August, the weather tends to be hot and humid. The best times to visit is when the weather is perfect, in spring and autumn; tornado season can occur anytime between the months of March and May. Chicago’s summers are humid with highs of 30 degrees (Celsius) or more and its winters are bitterly cold.

Back to top

When is the best time to fly to Illinois?

Peak Season:
Winter is peak season in Illinois for skiing and snowmobiling. In summer many different festivals take place in Chicago’s parks and neighbourhoods almost every weekend, making it difficult to find a cheap Illinois flight.

Off Season:
The best month to book a cheap Illinois flight is September, which is also the mildest month. Autumn is visually the prettiest time to visit when the temperature is still mild and the foliage is changing. The quietest months in Chicago are from January to March but they can also be the coldest and windiest.

Search and compare: flights to Illinois

Back to top

Getting around Illinois

Public transportation is reliable and taxis are easy to find. Driving is not recommended because of heavy traffic and parking is almost impossible to find. The El, a system operated by The Chicago Transit Authority consists of elevated trains running 24 hours a day. During the summer rush hour a River Bus is available.

 

Back to top

Cheap flights to Illinois in April, May 2021

The best prices found for ORD flights for April, May
10 May - 20 May
₹ 59,785pp
DEL
New Delhi Indira Gandhi Intl
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air France
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl
22 May - 8 Jul
₹ 60,237pp
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
22 May - 23 Aug
₹ 60,388pp
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

Illinois 2021 flight deals

Cheap flights to Illinois found for this year
30 Jun - 25 Jul
₹ 59,031pp
DEL
New Delhi Indira Gandhi Intl
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air France
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl
29 Jun - 25 Jul
₹ 59,182pp
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
14 Jul - 15 Sep
₹ 59,257pp
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

Last minute flights to Illinois

Late deals on return flights to Illinois, departing today and this week
30 Apr - 5 Sep
₹ 60,689pp
DEL
New Delhi Indira Gandhi Intl
Japan Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Japan Airlines
   
2 STOPS
DEL
New Delhi Indira Gandhi Intl
1 May - 19 Jul
₹ 61,142pp
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
₹ 61,292pp
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

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 22, 2021.

Popular flight searches

Check out other popular destinations found by fellow travellers in 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