Which airlines fly to Illinois?

Etihad Airways, Air India and Finnair are the top three most popular airlines that fly to Illinois from New Delhi according to our data. Etihad Airways is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 12 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from New Delhi Indira Gandhi Intl to Illinois?

Finnair, Gulf Air, and Qatar Airways are the most popular carriers operating from New Delhi Indira Gandhi Intl to Illinois

When did momondo last update prices for flights from New Delhi Indira Gandhi Intl Airport to Illinois?

Prices for flights from New Delhi Indira Gandhi Intl Airport to Illinois refresh daily.

How many operators does momondo search for flights from New Delhi Indira Gandhi Intl Airport to Illinois?

As of June 2026, there are 12 operators available to choose from for flights from New Delhi Indira Gandhi Intl Airport to Illinois.

How old do you have to be to fly from New Delhi Indira Gandhi Intl Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Delhi Indira Gandhi Intl Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

₹ 51,567 Cheap Flights from New Delhi to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New Delhi to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:25 - 08:35

DEL

ORD

33h 40m

1 stop

14:00 - 19:20

ORD

DEL

18h 50m

1 stop

₹ 88,333Etihad Airways

Sat, 27 Jun - Sun, 11 Oct

15:55 - 08:35

DEL

ORD

27h 10m

1 stop

20:25 - 03:10

ORD

DEL

20h 15m

1 stop

₹ 88,428Etihad Airways

Sat, 11 Jul - Mon, 10 Aug

04:50 - 15:40

DEL

ORD

21h 20m

1 stop

14:00 - 03:10

ORD

DEL

26h 40m

1 stop

₹ 88,524Etihad Airways

Mon, 22 Jun - Tue, 25 Aug

04:50 - 08:35

DEL

ORD

38h 15m

1 stop

21:10 - 03:10

ORD

DEL

19h 30m

1 stop

₹ 88,715Etihad Airways

Wed, 1 Jul - Thu, 17 Sep

07:20 - 23:56

DEL

STL

28h 06m

2 stops

18:50 - 05:20

STL

DEL

24h 00m

2 stops

₹ 90,911British Airways

Wed, 18 Nov - Wed, 17 Mar

07:50 - 19:30

DEL

STL

47h 10m

2 stops

11:47 - 06:05

STL

DEL

31h 48m

2 stops

₹ 100,078Finnair

Sun, 15 Nov - Wed, 17 Mar

03:55 - 18:18

DEL

MDW

24h 53m

2 stops

18:35 - 01:55

MDW

DEL

20h 50m

2 stops

₹ 103,134KLM

Wed, 8 Jul - Sat, 1 Aug

07:50 - 19:30

DEL

STL

47h 10m

2 stops

11:47 - 06:05

STL

DEL

31h 48m

2 stops

₹ 105,044Finnair

Sun, 15 Nov - Fri, 19 Mar

23:35 - 23:44

DEL

STL

34h 39m

1 stop

07:30 - 21:30

STL

DEL

27h 30m

1 stop

₹ 105,713United Airlines

Wed, 8 Jul - Tue, 6 Oct

23:55 - 23:25

DEL

STL

35h 00m

1 stop

09:23 - 21:50

STL

DEL

25h 57m

2 stops

₹ 110,487United Airlines

Thu, 19 Nov - Mon, 15 Mar

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Etihad Airways flights from New Delhi to Illinois

Our best Etihad Airways deals on New Delhi to Illinois flight tickets

Etihad Airways

27 Jun

DEL09:25New Delhi Indira Gandhi Intl

33h 40m

1 stop

ORD08:35Chicago O'Hare Intl

11 Oct

ORD14:00Chicago O'Hare Intl

18h 50m

1 stop

DEL19:20New Delhi Indira Gandhi Intl

₹ 88,333

Etihad Airways

11 Jul

DEL15:55New Delhi Indira Gandhi Intl

27h 10m

1 stop

ORD08:35Chicago O'Hare Intl

10 Aug

ORD20:25Chicago O'Hare Intl

20h 15m

1 stop

DEL03:10New Delhi Indira Gandhi Intl

₹ 88,428

Etihad Airways

22 Jun

DEL04:50New Delhi Indira Gandhi Intl

21h 20m

1 stop

ORD15:40Chicago O'Hare Intl

25 Aug

ORD14:00Chicago O'Hare Intl

26h 40m

1 stop

DEL03:10New Delhi Indira Gandhi Intl

₹ 88,524

British Airways flights from New Delhi to Illinois

Our best British Airways deals on New Delhi to Illinois flight tickets

British Airways

12 Nov

DEL07:20New Delhi Indira Gandhi Intl

42h 00m

1 stop

ORD13:50Chicago O'Hare Intl

24 Nov

ORD11:46Chicago O'Hare Intl

25h 59m

2 stops

DEL01:15New Delhi Indira Gandhi Intl

₹ 90,242

British Airways

18 Nov

DEL07:20New Delhi Indira Gandhi Intl

28h 06m

2 stops

STL23:56Lambert-St Louis

17 Mar

STL18:50Lambert-St Louis

24h 00m

2 stops

DEL05:20New Delhi Indira Gandhi Intl

₹ 90,911

British Airways

23 Jul

DEL10:05New Delhi Indira Gandhi Intl

38h 25m

2 stops

ORD14:00Chicago O'Hare Intl

16 Nov

ORD17:10Chicago O'Hare Intl

24h 40m

1 stop

DEL05:20New Delhi Indira Gandhi Intl

₹ 92,152

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 27/6

09:25-08:35

1 stop33h 40m

Chicago O'Hare Intl

Sun 11/10

14:00-19:20

1 stop18h 50m

₹ 88,333

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 11/7

15:55-08:35

1 stop27h 10m

Chicago O'Hare Intl

Mon 10/8

20:25-03:10

1 stop20h 15m

₹ 88,428

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 22/6

04:50-15:40

1 stop21h 20m

Chicago O'Hare Intl

Tue 25/8

14:00-03:10

1 stop26h 40m

₹ 88,524

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 1/7

04:50-08:35

1 stop38h 15m

Chicago O'Hare Intl

Thu 17/9

21:10-03:10

1 stop19h 30m

₹ 88,715

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 18/11

07:20-23:56

2 stops28h 06m

Lambert-St Louis

Wed 17/3

18:50-05:20

2 stops24h 00m

₹ 90,911

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 15/11

07:50-19:30

2 stops47h 10m

Lambert-St Louis

Wed 17/3

11:47-06:05

2 stops31h 48m

₹ 100,078

Fastest return journey

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Wed 8/7

03:55-18:18

2 stops24h 53m

Chicago Midway

Sat 1/8

18:35-01:55

2 stops20h 50m

₹ 103,134

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 15/11

07:50-19:30

2 stops47h 10m

Lambert-St Louis

Fri 19/3

11:47-06:05

2 stops31h 48m

₹ 105,044

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 8/7

23:35-23:44

1 stop34h 39m

Lambert-St Louis

Tue 6/10

07:30-21:30

1 stop27h 30m

₹ 105,713

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 19/11

23:55-23:25

1 stop35h 00m

Lambert-St Louis

Mon 15/3

09:23-21:50

2 stops25h 57m

₹ 110,487

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from New Delhi to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Illinois?

In general, February is the cheapest month to fly from New Delhi to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 28,457. If you aren’t able to travel during the month of February, then book flights to Illinois from New Delhi during January instead. Flights to Illinois in January, while not as cheap as those in February, still average around ₹ 29,699.

What is the cheapest day to depart on your flight to Illinois?

On average, the least expensive day to fly to Illinois from New Delhi is on a Monday. momondo users have found tickets for Monday departures for as low as ₹ 89,461. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from New Delhi to Illinois on a Saturday will generally be more expensive and average around ₹ 115,892. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest New Delhi Indira Gandhi Intl to Illinois flight route?

Fly from New Delhi Indira Gandhi Intl to Chicago O'Hare Intl for the best New Delhi Indira Gandhi Intl - Illinois flight prices

How far in advance should I book a flight from New Delhi to Illinois?

You are more likely to see cheaper flights to Illinois from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around ₹ 95,542 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from New Delhi for as low as ₹ 80,120 on momondo.

What cabin class options are available on New Delhi to Illinois flights?

There are 3 cabin classes available to choose from on New Delhi to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New Delhi to Illinois flights?

No. A direct flight is the cheapest option for a flight between New Delhi to Illinois.

Cheap New Delhi to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Delhi to Illinois

Best price found	₹ 47,453
Fastest flight time	20h 35m
Direct flights	None

The best one-way flight to Illinois from New Delhi in the past 72 hours is ₹ 47,453. The best return flight deal from New Delhi to Illinois found on momondo in the last 72 hours is ₹ 117,258.

The fastest flight from New Delhi to Illinois takes 20h 35m

There are no direct flights from New Delhi to Illinois. There are no popular flight routes from New Delhi to Illinois.

Search flight deals

Frequently asked questions about flying from New Delhi to Illinois

When did momondo last update prices for flights from New Delhi Indira Gandhi Intl Airport to Illinois?
Prices for flights from New Delhi Indira Gandhi Intl Airport to Illinois refresh daily.
How many operators does momondo search for flights from New Delhi Indira Gandhi Intl Airport to Illinois?
As of June 2026, there are 12 operators available to choose from for flights from New Delhi Indira Gandhi Intl Airport to Illinois.
How old do you have to be to fly from New Delhi Indira Gandhi Intl Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Delhi Indira Gandhi Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from New Delhi to Illinois?
Based on momondo bookings for flights between New Delhi and Illinois, the leading plane model is Boeing 777-300ER, making up 97.96% of the total bookings. Other popular models include Boeing 777-200LR with 2.04%.

Best airlines flying from New Delhi to Illinois

Compare and see reviews for airlines that fly from New Delhi to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom ₹ 53,222	Free Cancellation	Rating 7.4 4,409 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom ₹ 67,955	Free Cancellation	Rating 7.3 1,452 reviews	Search Etihad Airways flights
Finnair	PriceFrom ₹ 70,373	Free Cancellation	Rating 7.7 1,407 reviews	Search Finnair flights
Air India	PriceFrom ₹ 72,495	Free Cancellation	Rating 5.5 2,959 reviews	Search Air India flights
British Airways	PriceFrom ₹ 75,109	Free Cancellation	Rating 6.7 8,047 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 79,650	Free Cancellation	Rating 7.3 3,726 reviews	Search Qatar Airways flights
KLM	PriceFrom ₹ 81,889	Free Cancellation	Rating 7.8 1,527 reviews	Search KLM flights
LOT	PriceFrom ₹ 86,464	Free Cancellation	Rating 7.5 1,198 reviews	Search LOT flights
United Airlines	PriceFrom ₹ 87,422	Free Cancellation	Rating 7.4 9,813 reviews	Search United Airlines flights
Lufthansa	PriceFrom ₹ 88,835	Free Cancellation	Rating 6.8 8,056 reviews	Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from New Delhi to Illinois?

Finding the right flight to Illinois from New Delhi is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

Can I find flights from New Delhi to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from New Delhi which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New Delhi to Illinois?

momondo helps you find the best flight between New Delhi and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from New Delhi to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New Delhi to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.