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₹ 48,359+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
11 Feb — 18 Feb1
1 adult

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 6 February 2025.

Return from

₹ 76,554

One-way from

₹ 48,359

Popular in

August

Cheapest in

October

Average price

₹ 113,042

Good round-trip deal

₹ 103,441 or less

Good one-way deal

₹ 61,655 or less
Air France
  • Air France
  • 14/2-21/2
  • 2 total stops
  • 39h 15m total
  • New Delhi to Chicago
Lufthansa
  • Lufthansa
  • 2/6
  • 2 total stops
  • 21h 40m total
  • New Delhi to Illinois
Highest demand for flights based on searches. 2% potential increase in price (₹ 220,859 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (₹ 146,288 potential savings vs. average return price).
Average for return flights in February 2025
Price to beat on a round-trip flight from New Delhi Indira Gandhi Intl to Illinois.
Price to beat on a one-way flight from New Delhi Indira Gandhi Intl to Illinois.

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 6 February 2025
Explore Illinois

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 6 February 2025.

Mon 10/203:15DEL - ORD
2 stops28h 56mBritish Airways
Wed 16/419:15ORD - DEL
1 stop17h 50mBritish Airways
Deal found 5/2₹ 76,292
Thu 24/401:45DEL - ORD
2 stops21h 40mMultiple Airlines
Wed 10/916:00ORD - DEL
2 stops21h 25mMultiple Airlines
Deal found 5/2₹ 76,467
Fri 14/206:15DEL - ORD
1 stop20h 20mAir France
Fri 21/217:20ORD - DEL
1 stop18h 55mAir France
Deal found 6/2₹ 76,554
Wed 28/506:35DEL - ORD
1 stop21h 50mIndiGo
Tue 16/919:50ORD - DEL
1 stop22h 10mIndiGo
Deal found 5/2₹ 76,729
Wed 25/601:45DEL - ORD
1 stop22h 45mLufthansa
Thu 28/816:00ORD - DEL
2 stops21h 25mLufthansa
Deal found 5/2₹ 77,514
Tue 18/309:35DEL - ORD
2 stops33h 35mEthiopian Air
Tue 8/410:15ORD - DEL
1 stop28h 20mEthiopian Air
Deal found 6/2₹ 77,776
Tue 11/204:55DEL - ORD
2 stops29h 11mDelta
Thu 17/417:10ORD - DEL
1 stop19h 10mDelta
Deal found 5/2₹ 78,475
Tue 29/423:35DEL - ORD
1 stop21h 43mUnited Airlines
Thu 11/914:00ORD - DEL
2 stops21h 00mUnited Airlines
Deal found 5/2₹ 78,911
Wed 12/203:20DEL - ORD
2 stops24h 23mKLM
Tue 15/418:15ORD - DEL
2 stops21h 10mKLM
Deal found 5/2₹ 79,697
Thu 24/402:40DEL - ORD
Nonstop15h 15mAir India
Tue 16/912:00ORD - DEL
Nonstop14h 25mAir India
Deal found 5/2₹ 79,959
Tue 11/319:35DEL - ORD
2 stops32h 10mSWISS
Tue 8/415:35ORD - DEL
2 stops21h 30mSWISS
Deal found 6/2₹ 80,308
Sat 28/607:50DEL - ORD
1 stop39h 00mLOT
Sat 27/921:40ORD - DEL
1 stop18h 50mLOT
Deal found 6/2₹ 81,181

Find flights to Illinois within your budget

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 6 February 2025.

Fly from

Any airport

Route

Depart

Return

Price

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 24/4

01:45-12:55

2 stops21h 40m

Chicago O'Hare Intl

Wed 10/9

16:00-23:55

2 stops21h 25m

₹ 76,467

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 28/5

06:35-17:55

1 stop21h 50m

Chicago O'Hare Intl

Tue 16/9

19:50-04:30

1 stop22h 10m

₹ 76,729

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 19/2

09:35-07:40

2 stops33h 35m

Chicago O'Hare Intl

Wed 16/4

10:15-01:05

1 stop28h 20m

₹ 76,991

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 28/7

10:05-11:55

1 stop36h 20m

Chicago O'Hare Intl

Sun 17/8

21:15-08:00

1 stop24h 15m

₹ 77,078

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 25/6

01:45-14:00

1 stop22h 45m

Chicago O'Hare Intl

Thu 28/8

16:00-23:55

2 stops21h 25m

₹ 77,514

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 31/3

02:15-12:10

2 stops44h 25m

Chicago O'Hare Intl

Tue 30/9

19:05-08:25

1 stop26h 50m

₹ 77,864

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 29/4

23:35-10:48

1 stop21h 43m

Chicago O'Hare Intl

Thu 11/9

14:00-21:30

2 stops21h 00m

₹ 78,911

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 24/4

02:40-07:25

Nonstop15h 15m

Chicago O'Hare Intl

Tue 16/9

12:00-12:55

Nonstop14h 25m

₹ 79,959

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 10/5

00:50-15:00

1 stop24h 40m

Chicago O'Hare Intl

Tue 29/7

12:17-22:50

2 stops24h 03m

₹ 80,482

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 28/6

07:50-12:20

1 stop39h 00m

Chicago O'Hare Intl

Sat 27/9

21:40-03:00

1 stop18h 50m

₹ 81,181

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 54 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.

Travel insights for flights to Illinois

Get recent, data-driven insights about flights to Illinois including ideal travel times, pricing trends, and more.

How long is the flight to Illinois?

On average, a flight from New Delhi to Illinois takes 25 hours 4 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.

Weekly flight availability to Illinois

The most flights from New Delhi to Illinois are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from New Delhi to Illinois are Qatar Airways, British Airways and IndiGo.

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 6 February 2025.
Get a feel of what it's like to fly with Korean Air, Japan Airlines and Emirates to Illinois by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.