₹ 47,222+ 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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
26 May — 2 Jun1
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 26 April 2026.

Thu 10/907:40
DEL
-
ORD
2 stops31h 50m
Finnair
Sun 20/921:30
ORD
-
DEL
1 stop21h 20m
Finnair
Deal found 25/4₹ 75,574
Wed 16/907:40
DEL
-
ORD
1 stop20h 40m
Finnair
Thu 8/1021:30
ORD
-
DEL
1 stop21h 20m
Finnair
Deal found 22/4₹ 76,043
Thu 17/907:40
DEL
-
ORD
2 stops31h 50m
Finnair
Sat 17/1012:04
ORD
-
DEL
2 stops30h 46m
Finnair
Deal found 21/4₹ 76,419
Sat 12/907:40
DEL
-
ORD
1 stop20h 40m
Finnair
Sat 26/921:30
ORD
-
DEL
1 stop21h 20m
Finnair
Deal found 25/4₹ 77,451
Sat 19/907:40
DEL
-
ORD
1 stop20h 40m
Finnair
Sat 26/916:51
ORD
-
DEL
2 stops25h 59m
Finnair
Deal found 24/4₹ 79,517
Fri 9/1007:40
DEL
-
ORD
1 stop20h 40m
Finnair
Mon 26/1016:50
ORD
-
DEL
2 stops26h 45m
Finnair
Deal found 22/4₹ 80,080
Tue 7/700:50
DEL
-
MDW
2 stops31h 55m
Delta
Sun 2/809:20
MDW
-
DEL
2 stops27h 00m
Delta
Deal found 24/4₹ 91,345
Sun 14/600:50
DEL
-
MDW
2 stops28h 11m
Delta
Wed 19/813:00
MDW
-
DEL
2 stops26h 25m
Delta
Deal found 26/4₹ 91,439
Thu 24/907:40
DEL
-
STL
2 stops46h 36m
Finnair
Mon 28/916:29
STL
-
DEL
2 stops26h 21m
Finnair
Deal found 22/4₹ 93,035
Tue 26/501:05
DEL
-
MDW
2 stops27h 21m
Delta
Wed 26/817:59
MDW
-
DEL
2 stops21h 26m
Delta
Deal found 22/4₹ 101,485
Mon 6/700:50
DEL
-
MDW
2 stops31h 55m
Delta
Sun 2/809:20
MDW
-
DEL
2 stops27h 00m
Delta
Deal found 24/4₹ 101,860
Sun 7/600:50
DEL
-
MDW
2 stops28h 11m
Delta
Fri 17/713:49
MDW
-
DEL
2 stops25h 36m
Delta
Deal found 21/4₹ 105,709

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 26 April 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 26 April 2026.

Return from

₹ 75,574

One-way from

₹ 47,222

Popular in

August

Cheapest in

October

Average price

₹ 88,717

Good round-trip deal

₹ 116,026 or less

Good one-way deal

₹ 131,276 or less
Finnair
  • Finnair
  • 10/9-20/9
  • 3 total stops
  • 53h 10m total
  • New Delhi to Chicago
Etihad Airways
  • Etihad Airways
  • 23/5
  • 1 total stop
  • 33h 40m total
  • New Delhi to Illinois
Highest demand for flights based on searches. 4% potential increase in price (₹ 4,599 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (₹ 1,867 potential savings vs. average return price).
Average for return flights in April 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 26 April 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
Fastest return journey

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 18/6

04:50-15:40

1 stop21h 20m

Chicago O'Hare Intl

Tue 6/10

21:10-03:10

1 stop19h 30m

₹ 85,525

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sun 7/6

09:25-08:35

1 stop33h 40m

Chicago O'Hare Intl

Mon 28/9

21:10-07:55

1 stop24h 15m

₹ 90,407

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 25/5

21:15-08:35

1 stop21h 50m

Chicago O'Hare Intl

Fri 4/9

21:10-03:10

1 stop19h 30m

₹ 92,284

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 8/6

04:15-16:50

1 stop23h 05m

Chicago O'Hare Intl

Tue 23/6

19:20-08:45

1 stop26h 55m

₹ 95,288

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 9/6

07:40-23:59

2 stops26h 49m

Chicago O'Hare Intl

Fri 26/2

16:25-06:05

2 stops26h 10m

₹ 95,476

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 24/9

07:40-19:46

2 stops46h 36m

Lambert-St Louis

Mon 28/9

16:29-05:20

2 stops26h 21m

₹ 99,795

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 11/5

21:30-16:50

1 stop29h 50m

Chicago O'Hare Intl

Fri 12/6

19:20-02:10

1 stop20h 20m

₹ 100,733

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 6/6

04:25-15:45

1 stop21h 50m

Chicago O'Hare Intl

Sat 13/6

20:35-02:25

1 stop19h 20m

₹ 101,860

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 11/6

04:15-16:50

1 stop23h 05m

Chicago O'Hare Intl

Thu 10/9

16:51-01:55

2 stops22h 34m

₹ 103,456

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 18/5

21:30-16:50

1 stop29h 50m

Chicago O'Hare Intl

Wed 17/6

16:33-02:55

2 stops23h 52m

₹ 106,460

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 32 resultsSorted by cheapest first
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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

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

How long is the flight to Illinois?

On average, a flight from New Delhi to Illinois takes 29 hours 17 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 Etihad Airways, Turkish Airlines and Air India.

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 26 April 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.

Entertainment

6.9

Overall

7.7

Comfort

7.4

Food

6.7

Boarding

7.7

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.

Entertainment

6.9

Overall

7.7

Comfort

7.4

Food

6.7

Boarding

7.7

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.

Entertainment

6.9

Overall

7.7

Comfort

7.4

Food

6.7

Boarding

7.7

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.

Entertainment

6.9

Overall

7.7

Comfort

7.4

Food

6.7

Boarding

7.7

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.

Entertainment

6.9

Overall

7.7

Comfort

7.4

Food

6.7

Boarding

7.7

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.

Entertainment

6.9

Overall

7.7

Comfort

7.4

Food

6.7

Boarding

7.7

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 ₹ 3,858, while return flights cost around ₹ 8,424.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around ₹ 32,503, however they can be found for as little as ₹ 8,424.

  • 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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