₹ 51,045+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to Illinois in 2026

Enter your travel dates to find the best prices.

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 10 June 2026.

Sat 27/609:25
DEL
-
ORD
1 stop33h 40m
Etihad Airways
Sun 11/1014:00
ORD
-
DEL
1 stop18h 50m
Etihad Airways
Deal found 8/6₹ 88,255
Wed 24/615:55
DEL
-
ORD
1 stop27h 10m
Etihad Airways
Wed 2/1220:20
ORD
-
DEL
1 stop23h 40m
Etihad Airways
Deal found 6/6₹ 88,350
Wed 24/621:15
DEL
-
ORD
1 stop21h 50m
Etihad Airways
Fri 25/914:00
ORD
-
DEL
1 stop18h 50m
Etihad Airways
Deal found 5/6₹ 88,446
Wed 1/704:50
DEL
-
ORD
1 stop38h 15m
Etihad Airways
Thu 17/921:10
ORD
-
DEL
1 stop19h 30m
Etihad Airways
Deal found 8/6₹ 88,636
Fri 28/821:15
DEL
-
ORD
1 stop28h 55m
Etihad Airways
Mon 5/1014:00
ORD
-
DEL
1 stop18h 50m
Etihad Airways
Deal found 8/6₹ 88,732
Wed 15/704:50
DEL
-
ORD
1 stop38h 15m
Etihad Airways
Tue 15/921:10
ORD
-
DEL
1 stop24h 15m
Etihad Airways
Deal found 10/6₹ 88,827
Tue 25/804:50
DEL
-
ORD
1 stop21h 20m
Etihad Airways
Thu 17/921:10
ORD
-
DEL
1 stop30h 30m
Etihad Airways
Deal found 9/6₹ 88,923
Sat 25/721:15
DEL
-
ORD
1 stop28h 55m
Etihad Airways
Fri 25/914:00
ORD
-
DEL
1 stop18h 50m
Etihad Airways
Deal found 9/6₹ 89,018
Wed 15/715:55
DEL
-
ORD
1 stop27h 10m
Etihad Airways
Mon 16/1120:20
ORD
-
DEL
1 stop30h 20m
Etihad Airways
Deal found 7/6₹ 89,114
Thu 9/704:50
DEL
-
ORD
1 stop38h 15m
Etihad Airways
Wed 22/720:25
ORD
-
DEL
1 stop31h 15m
Etihad Airways
Deal found 8/6₹ 89,209
Thu 16/705:05
DEL
-
ORD
2 stops37h 25m
Multiple Airlines
Wed 6/116:40
ORD
-
DEL
2 stops29h 50m
Multiple Airlines
Deal found 9/6₹ 89,304
Mon 6/715:55
DEL
-
ORD
1 stop34h 15m
Etihad Airways
Fri 4/914:00
ORD
-
DEL
1 stop18h 50m
Etihad Airways
Deal found 10/6₹ 89,400

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 10 June 2026
Explore Illinois

Find flight deals to Illinois

Find the latest flights to Illinois in 2026, 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 10 June 2026.

Return from

₹ 88,255

One-way from

₹ 51,045

Popular in

August

Cheapest in

October

Average price

₹ 100,849

Good round-trip deal

₹ 117,155 or less

Good one-way deal

₹ 47,411 or less
Etihad Airways
  • Etihad Airways
  • 27/6-11/10
  • 2 total stops
  • 52h 30m total
  • New Delhi to Chicago
Finnair
  • Finnair
  • 4/10
  • 1 total stop
  • 20h 40m total
  • New Delhi to Illinois
Highest demand for flights based on searches. 4% potential increase in price (₹ 4,125 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (₹ 1,929 potential savings vs. average return price).
Average for return flights in June 2026
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.

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 10 June 2026.
Use the filters below to find and compare flights to Illinois that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 12/9

07:40-19:36

2 stops46h 26m

Chicago O'Hare Intl

Sat 26/9

21:30-05:20

1 stop21h 20m

₹ 92,167

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 29/9

15:55-15:40

1 stop34h 15m

Chicago O'Hare Intl

Thu 31/12

13:10-03:00

1 stop26h 20m

₹ 92,453

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 22/6

02:05-22:42

2 stops31h 07m

Chicago O'Hare Intl

Mon 24/8

13:59-00:05

2 stops23h 36m

₹ 94,647

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 28/9

16:25-15:45

1 stop33h 50m

Chicago O'Hare Intl

Thu 1/10

20:35-14:45

1 stop31h 40m

₹ 96,746
Fastest return journey

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Fri 26/6

21:15-08:35

1 stop21h 50m

Chicago O'Hare Intl

Fri 4/9

14:00-19:20

1 stop18h 50m

₹ 98,178

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 23/7

09:25-08:35

1 stop33h 40m

Chicago O'Hare Intl

Fri 21/8

14:00-19:20

1 stop18h 50m

₹ 103,139

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 13/7

01:35-19:15

2 stops28h 10m

Chicago O'Hare Intl

Tue 1/12

17:10-05:20

1 stop24h 40m

₹ 105,524

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 22/6

03:55-14:15

1 stop20h 50m

Chicago O'Hare Intl

Mon 24/8

13:59-22:50

2 stops22h 21m

₹ 107,719

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sun 26/7

01:35-19:15

2 stops28h 10m

Chicago O'Hare Intl

Wed 27/1

17:10-01:15

1 stop20h 35m

₹ 111,058

New DelhiDecatur

DEL - DEC

DELDEC

New Delhi Indira Gandhi Intl

Thu 24/9

23:35-17:51

2 stops52h 46m

Decatur Arpt

Sun 27/9

09:42-21:30

2 stops49h 18m

₹ 111,440

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 32 resultsSorted by cheapest first
1
2
3
4

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 30 hours 33 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 cheapest airlines that fly to Illinois?

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

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).

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 31 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 10 June 2026.
Read reviews from past customers who have flown Finnair,SWISS, andEtihad Airways 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.

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Boarding

7.7

Entertainment

6.9

Overall

7.7

Food

6.7

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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, Delta is rated the highest out of the airlines that fly to Illinois.

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

    Chicago Midway is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago Midway typically cost ₹ 3,921, while return flights cost around ₹ 12,118.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around ₹ 47,969, however they can be found for as little as ₹ 12,118.

  • Where does the fastest flight to Illinois depart from?

    For those looking to save time traveling to Illinois, Mumbai Chhatrapati Shivaji Intl offers the quickest one-way flight (19 hours 55 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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