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₹ 41,741+ 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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
9 Apr — 16 Apr1
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 March 2026.

Wed 22/421:15
DEL
-
ORD
1 stop21h 50m
Multiple Airlines
Wed 29/716:00
ORD
-
DEL
1 stop42h 40m
Multiple Airlines
Deal found 6/3₹ 71,596
Thu 21/504:50
DEL
-
ORD
1 stop38h 15m
Etihad Airways
Mon 14/914:00
ORD
-
DEL
1 stop31h 25m
Etihad Airways
Deal found 9/3₹ 71,688
Thu 21/509:25
DEL
-
ORD
1 stop33h 40m
Etihad Airways
Wed 26/814:00
ORD
-
DEL
1 stop26h 40m
Etihad Airways
Deal found 5/3₹ 71,780
Tue 14/421:15
DEL
-
ORD
1 stop21h 50m
Etihad Airways
Fri 24/414:00
ORD
-
DEL
1 stop18h 50m
Etihad Airways
Deal found 9/3₹ 71,873
Mon 18/507:40
DEL
-
ORD
1 stop20h 40m
Finnair
Wed 22/721:30
ORD
-
DEL
1 stop21h 20m
Finnair
Deal found 5/3₹ 71,965
Sun 12/421:15
DEL
-
ORD
1 stop21h 50m
Etihad Airways
Tue 28/414:00
ORD
-
DEL
1 stop18h 50m
Etihad Airways
Deal found 6/3₹ 72,057
Wed 3/601:35
DEL
-
ORD
2 stops22h 55m
British Airways
Sat 28/1117:10
ORD
-
DEL
1 stop24h 40m
British Airways
Deal found 5/3₹ 72,149
Mon 20/404:50
DEL
-
ORD
1 stop38h 15m
Multiple Airlines
Mon 27/413:10
ORD
-
DEL
Nonstop16h 20m
Multiple Airlines
Deal found 9/3₹ 72,241
Mon 6/404:50
DEL
-
ORD
1 stop38h 15m
Multiple Airlines
Mon 13/413:10
ORD
-
DEL
Nonstop16h 20m
Multiple Airlines
Deal found 9/3₹ 72,333
Sun 19/402:15
DEL
-
ORD
1 stop19h 25m
Air India
Mon 29/613:10
ORD
-
DEL
Nonstop16h 20m
Air India
Deal found 6/3₹ 72,426
Sun 3/507:40
DEL
-
ORD
1 stop20h 40m
Finnair
Sun 26/721:30
ORD
-
DEL
1 stop21h 20m
Finnair
Deal found 6/3₹ 72,610
Fri 18/901:30
DEL
-
STL
2 stops27h 41m
Multiple Airlines
Sun 20/908:55
STL
-
DEL
2 stops28h 45m
Multiple Airlines
Deal found 5/3₹ 76,203

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 March 2026
Explore Illinois
Flights to Chicago
Flights to Moline
Flights to Peoria
Flights to St. Louis

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 March 2026.

Return from

₹ 71,596

One-way from

₹ 41,741

Popular in

August

Cheapest in

October

Average price

₹ 109,283

Good round-trip deal

₹ 81,665 or less

Good one-way deal

₹ 46,319 or less
Cathay Pacific
  • Cathay Pacific
  • 22/4-29/7
  • 2 total stops
  • 64h 30m total
  • New Delhi to Chicago
Search Deals
Air India
  • Air India
  • 23/4
  • Nonstop
  • 19h 25m total
  • New Delhi to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 3,916 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 1,777 potential savings vs. average return price).
Search Deals
Average for return flights in March 2026
Search Deals
Price to beat on a round-trip flight from New Delhi Indira Gandhi Intl to Illinois.
Search Deals
Price to beat on a one-way flight from New Delhi Indira Gandhi Intl to Illinois.
Search Deals

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 March 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 7/5

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Mon 13/7

21:30-05:20

1 stop21h 20m

₹ 72,886

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 18/5

03:55-15:10

2 stops21h 45m

Chicago O'Hare Intl

Wed 5/8

16:50-01:55

1 stop22h 35m

₹ 73,347

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sat 9/5

01:35-19:30

2 stops28h 25m

Lambert-St Louis

Fri 29/5

09:08-23:35

2 stops27h 57m

₹ 77,586

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 18/5

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Thu 10/12

16:03-06:05

2 stops26h 32m

₹ 78,046

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 18/5

07:40-05:47

2 stops32h 37m

Chicago O'Hare Intl

Wed 17/6

16:29-05:20

2 stops26h 21m

₹ 79,152

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 19/5

07:40-19:49

2 stops46h 39m

Chicago O'Hare Intl

Fri 12/6

16:29-05:20

2 stops26h 21m

₹ 81,548

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 12/5

07:40-19:49

2 stops46h 39m

Chicago O'Hare Intl

Fri 13/11

16:06-06:05

2 stops26h 29m

₹ 81,640

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 23/4

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Sat 4/7

16:46-05:20

2 stops26h 04m

₹ 83,944

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 20/5

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Mon 22/6

16:29-05:20

2 stops26h 21m

₹ 84,036

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 4/8

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Fri 14/8

11:54-05:20

2 stops30h 56m

₹ 87,353

Flights are sorted by cheapest return flights first.

Deals found on 9/3

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 27 hours 54 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, Etihad Airways and Finnair.

Etihad Airways
Etihad Airways
From ₹ 38,989
Air India
Air India
From ₹ 62,577
British Airways
British Airways
From ₹ 73,446
Lufthansa
Lufthansa
From ₹ 75,745

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from New Delhi to Illinois are Delta, Etihad Airways and Qatar 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 10 March 2026.
Read reviews from past customers who have flown Finnair,SWISS, 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.
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

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.
Finnair
7.6
Good
1,371 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

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.
SWISS
7.5
Good
1,892 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

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.
United Airlines
7.4
Good
9,409 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

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.
Etihad Airways
7.3
Good
1,424 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

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.
Air India
5.5
Fair
2,968 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

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, Etihad Airways 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 ₹ 2,601, while return flights cost around ₹ 3,317.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around ₹ 18,246, however they can be found for as little as ₹ 3,317.

  • 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 (19 hours 25 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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