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₹ 40,695+ Cheap flights to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
14 Oct — 21 Oct1
1 adult
1 adult, Economy

Flights to Illinois in 2025

Find the latest flights to Illinois in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 454,620 searches and data was last updated on 14 September 2025.

Return from

₹ 68,944

One-way from

₹ 40,695

Popular in

August

Cheapest in

October

Average price

₹ 87,217

Good round-trip deal

₹ 85,834 or less

Good one-way deal

₹ 43,167 or less
British Airways
  • British Airways
  • 8/3-31/3
  • 3 total stops
  • 63h 30m total
  • New Delhi to Chicago
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IndiGo
  • IndiGo
  • 1/11
  • 1 total stop
  • 23h 15m total
  • New Delhi to Illinois
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Highest demand for flights based on searches. 0% potential increase in price (₹ 79,735 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (₹ 115,974 potential savings vs. average return price).
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Average for return flights in September 2025
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Price to beat on a round-trip flight from New Delhi Indira Gandhi Intl to Illinois.
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Price to beat on a one-way flight from New Delhi Indira Gandhi Intl to Illinois.
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Find flights to Illinois

Browse one-way and return flights deals to Illinois on Cheapflights. Flight deals are based on user searches and were last updated on 14 September 2025
Explore Illinois
Flights to Chicago
Flights to Moline
Flights to Peoria
Flights to Springfield

Find flight deals to Illinois

Cheapest flights to Illinois
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 14 September 2025.

Thu 18/921:15DEL - ORD
1 stop22h 00mEtihad Airways
Wed 4/213:10ORD - DEL
1 stop30h 50mEtihad Airways
Deal found 13/9₹ 69,032
Fri 17/1000:05DEL - ORD
1 stop20h 16mMultiple Airlines
Sun 9/1112:50ORD - DEL
2 stops24h 45mMultiple Airlines
Deal found 12/9₹ 69,209
Fri 26/921:15DEL - ORD
1 stop22h 00mEtihad Airways
Thu 9/1013:55ORD - DEL
1 stop18h 55mEtihad Airways
Deal found 11/9₹ 69,650
Sat 22/1104:25DEL - ORD
1 stop39h 00mEtihad Airways
Sat 7/213:10ORD - DEL
1 stop30h 50mEtihad Airways
Deal found 12/9₹ 69,738
Wed 15/1001:05DEL - ORD
1 stop25h 20mMultiple Airlines
Sun 26/1015:55ORD - DEL
2 stops22h 40mMultiple Airlines
Deal found 12/9₹ 69,827
Sun 21/904:50DEL - ORD
1 stop38h 25mEtihad Airways
Wed 8/1013:55ORD - DEL
1 stop37h 45mEtihad Airways
Deal found 11/9₹ 69,915
Mon 6/1002:55DEL - ORD
1 stop22h 30mMultiple Airlines
Wed 19/1112:50ORD - DEL
2 stops23h 30mMultiple Airlines
Deal found 12/9₹ 70,091
Wed 12/1103:45DEL - ORD
2 stops25h 33mMultiple Airlines
Mon 2/218:50ORD - DEL
1 stop17h 55mMultiple Airlines
Deal found 13/9₹ 70,180
Sun 2/1105:55DEL - ORD
1 stop38h 40mTurkish Airlines
Sun 7/1211:50ORD - DEL
1 stop29h 55mTurkish Airlines
Deal found 13/9₹ 70,268
Wed 17/906:20DEL - ORD
1 stop37h 50mTurkish Airlines
Wed 14/111:50ORD - DEL
1 stop29h 55mTurkish Airlines
Deal found 13/9₹ 70,533
Thu 4/1203:20DEL - MDW
2 stops26h 10mDelta
Sun 18/109:30MDW - DEL
2 stops30h 30mDelta
Deal found 13/9₹ 70,974
Sat 6/1205:00DEL - MDW
2 stops24h 48mDelta
Wed 14/109:30MDW - DEL
2 stops28h 10mDelta
Deal found 13/9₹ 71,239

Cheapflights Fare Finder

 
Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 454,620 searches and data was last updated on 14 September 2025.
Use the filters below to find and compare flights to Illinois that are best for you.

Fly from

New Delhi

Route

Depart

Return

Price

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 9/3

03:20-14:50

1 stop22h 00m

Chicago O'Hare Intl

Tue 31/3

10:15-23:35

2 stops26h 50m

₹ 68,944

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Thu 4/12

03:20-18:00

2 stops26h 10m

Chicago Midway

Sat 17/1

14:00-03:30

2 stops26h 00m

₹ 70,974

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Thu 4/12

03:20-18:00

2 stops26h 10m

Chicago Midway

Tue 13/1

13:00-03:30

2 stops27h 00m

₹ 70,974

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Thu 4/12

03:20-18:18

2 stops26h 28m

Chicago Midway

Wed 14/1

13:00-01:10

2 stops24h 40m

₹ 70,974

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Sat 6/12

05:00-18:18

2 stops24h 48m

Chicago Midway

Sun 18/1

09:30-03:30

2 stops30h 30m

₹ 71,239

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Thu 4/12

03:20-18:00

2 stops26h 10m

Chicago Midway

Mon 12/1

13:00-02:40

2 stops26h 10m

₹ 72,033

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 30/9

11:15-12:16

2 stops35h 31m

Chicago O'Hare Intl

Fri 16/1

09:30-02:40

2 stops29h 40m

₹ 72,122

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 10/12

11:40-12:43

2 stops36h 33m

Chicago O'Hare Intl

Mon 23/3

13:35-02:40

2 stops26h 35m

₹ 72,298

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 18/12

06:55-10:05

1 stop38h 40m

Chicago O'Hare Intl

Mon 5/1

20:20-04:40

1 stop20h 50m

₹ 72,475

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 23/9

21:15-08:45

1 stop22h 00m

Chicago O'Hare Intl

Tue 30/12

13:10-19:20

1 stop18h 40m

₹ 72,651

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 60 results
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Best time to book a flight to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Illinois

How long is the flight to Illinois?

On average, a flight from New Delhi to Illinois takes 28 hours 19 minutes. Flights to Illinois from other popular cities in India will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Illinois?

The most popular airlines flying from New Delhi to Illinois are Air India, United Airlines and SWISS.

Etihad Airways
Etihad Airways
From ₹ 743
Air India
Air India
From ₹ 685
British Airways
British Airways
From ₹ 757
Lufthansa
Lufthansa
From ₹ 822

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from New Delhi to Illinois are Turkish Airlines, Etihad Airways and British Airways.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 14 September 2025.
Read reviews from past customers who have flown SWISS, Etihad Airways, andUnited Airlines to the United States. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,730 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
SWISS
7.5
Good
1,730 reviews
SWISS
7.5
Good
1,730 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Etihad Airways
7.4
Good
1,250 reviews
SWISS
7.5
Good
1,730 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
United Airlines
7.4
Good
8,934 reviews
SWISS
7.5
Good
1,730 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
British Airways
6.7
Okay
7,361 reviews
SWISS
7.5
Good
1,730 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Air India
5.5
Fair
2,930 reviews
SWISS
7.5
Good
1,730 reviews
Check prices

Comfort

7.4

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

FAQs about flying to Illinois

  • Can I find cheaper flights to Illinois if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Illinois on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Illinois?

    Based on reviews from Cheapflights users, Turkish Airlines is rated the highest out of the airlines that fly to Illinois.

  • What is the cheapest airport to fly to in Illinois?

    Chicago O'Hare Intl is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago O'Hare Intl typically cost ₹ 3,889, while return flights cost around ₹ 4,942.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around ₹ 182, however they can be found for as little as ₹ 56.

  • Where does the fastest flight to Illinois depart from?

    For those looking to save time traveling to Illinois, New Delhi Indira Gandhi Intl offers the quickest one-way flight (15 hours 15 minutes).

  • Does Chicago O'Hare Intl have rental cars?

    Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Chicago O'Hare Intl?

    Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 km away from Chicago O'Hare Intl).

See more FAQs

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