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

Emirates, KLM, and Oman Air are the most popular carriers operating from New Delhi Indira Gandhi Intl to Illinois

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 47% 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.

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 July 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.

₹ 58,484 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

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:30 - 23:58

DEL

STL

27h 58m

2 stops

15:37 - 05:20

STL

DEL

26h 13m

2 stops

₹ 90,774British Airways

Tue, 1 Dec - Mon, 18 Jan

06:15 - 14:15

DEL

ORD

18h 30m

1 stop

17:20 - 01:55

ORD

DEL

22h 05m

2 stops

₹ 91,536KLM

Thu, 6 Aug - Wed, 19 Aug

06:15 - 14:15

DEL

ORD

18h 30m

1 stop

17:10 - 01:55

ORD

DEL

22h 15m

2 stops

₹ 91,632KLM

Thu, 6 Aug - Wed, 9 Sep

01:35 - 16:46

DEL

ORD

25h 41m

2 stops

21:50 - 05:20

ORD

DEL

20h 00m

1 stop

₹ 91,727British Airways

Fri, 2 Oct - Tue, 2 Feb

10:05 - 11:30

DEL

ORD

35h 55m

2 stops

21:50 - 05:20

ORD

DEL

20h 00m

1 stop

₹ 91,822British Airways

Mon, 27 Jul - Fri, 15 Jan

03:00 - 13:10

DEL

ORD

20h 40m

1 stop

15:00 - 01:10

ORD

DEL

23h 40m

1 stop

₹ 92,298ITA Airways

Mon, 10 Aug - Tue, 8 Sep

07:50 - 19:30

DEL

STL

47h 10m

2 stops

11:46 - 06:05

STL

DEL

30h 49m

2 stops

₹ 97,156Finnair

Mon, 16 Nov - Wed, 17 Feb

07:50 - 19:30

DEL

STL

47h 10m

2 stops

11:46 - 06:05

STL

DEL

30h 49m

2 stops

₹ 99,823Finnair

Fri, 13 Nov - Sat, 20 Feb

23:35 - 17:45

DEL

MLI

28h 40m

2 stops

17:09 - 21:30

MLI

DEL

41h 51m

2 stops

₹ 118,302United Airlines

Fri, 18 Sep - Mon, 21 Sep

23:35 - 15:15

DEL

MLI

26h 10m

2 stops

17:09 - 21:30

MLI

DEL

41h 51m

2 stops

₹ 118,492United Airlines

Fri, 18 Sep - Mon, 21 Sep

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Air France flights from New Delhi to Illinois

Our best Air France deals on New Delhi to Illinois flight tickets

Air France

20 Jul

DEL00:50New Delhi Indira Gandhi Intl

24h 50m

1 stop

ORD15:10Chicago O'Hare Intl

1 Sept

ORD17:10Chicago O'Hare Intl

19h 10m

1 stop

DEL22:50New Delhi Indira Gandhi Intl

₹ 95,346

Air France

20 Jul

DEL00:50New Delhi Indira Gandhi Intl

24h 50m

1 stop

ORD15:10Chicago O'Hare Intl

19 Aug

ORD13:59Chicago O'Hare Intl

22h 21m

2 stops

DEL22:50New Delhi Indira Gandhi Intl

₹ 97,442

Air France

20 Jul

DEL00:50New Delhi Indira Gandhi Intl

24h 50m

1 stop

ORD15:10Chicago O'Hare Intl

17 Aug

ORD17:10Chicago O'Hare Intl

19h 10m

1 stop

DEL22:50New Delhi Indira Gandhi Intl

₹ 98,013

American Airlines flights from New Delhi to Illinois

Our best American Airlines deals on New Delhi to Illinois flight tickets

American Airlines

16 Jul

DEL23:30New Delhi Indira Gandhi Intl

20h 59m

1 stop

ORD09:59Chicago O'Hare Intl

16 Aug

ORD16:30Chicago O'Hare Intl

18h 00m

1 stop

DEL21:00New Delhi Indira Gandhi Intl

₹ 96,299

American Airlines

13 Sept

DEL23:30New Delhi Indira Gandhi Intl

23h 14m

1 stop

ORD12:14Chicago O'Hare Intl

23 Sept

ORD13:35Chicago O'Hare Intl

20h 55m

1 stop

DEL21:00New Delhi Indira Gandhi Intl

₹ 96,489

American Airlines

21 Jul

DEL23:30New Delhi Indira Gandhi Intl

21h 02m

1 stop

ORD10:02Chicago O'Hare Intl

1 Sept

ORD16:30Chicago O'Hare Intl

18h 00m

1 stop

DEL21:00New Delhi Indira Gandhi Intl

₹ 96,585

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Tue 1/12

07:30-23:58

2 stops27h 58m

Lambert-St Louis

Mon 18/1

15:37-05:20

2 stops26h 13m

₹ 90,774

Fastest return journey

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 6/8

06:15-14:15

1 stop18h 30m

Chicago O'Hare Intl

Wed 19/8

17:20-01:55

2 stops22h 05m

₹ 91,536

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 6/8

06:15-14:15

1 stop18h 30m

Chicago O'Hare Intl

Wed 9/9

17:10-01:55

2 stops22h 15m

₹ 91,632

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Fri 2/10

01:35-16:46

2 stops25h 41m

Chicago O'Hare Intl

Tue 2/2

21:50-05:20

1 stop20h 00m

₹ 91,727

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 27/7

10:05-11:30

2 stops35h 55m

Chicago O'Hare Intl

Fri 15/1

21:50-05:20

1 stop20h 00m

₹ 91,822

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 10/8

03:00-13:10

1 stop20h 40m

Chicago O'Hare Intl

Tue 8/9

15:00-01:10

1 stop23h 40m

₹ 92,298

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 16/11

07:50-19:30

2 stops47h 10m

Lambert-St Louis

Wed 17/2

11:46-06:05

2 stops30h 49m

₹ 97,156

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 13/11

07:50-19:30

2 stops47h 10m

Lambert-St Louis

Sat 20/2

11:46-06:05

2 stops30h 49m

₹ 99,823

New DelhiMoline

DEL - MLI

DELMLI

New Delhi Indira Gandhi Intl

Fri 18/9

23:35-17:45

2 stops28h 40m

Moline Quad-City

Mon 21/9

17:09-21:30

2 stops41h 51m

₹ 118,302

New DelhiMoline

DEL - MLI

DELMLI

New Delhi Indira Gandhi Intl

Fri 18/9

23:35-15:15

2 stops26h 10m

Moline Quad-City

Mon 21/9

17:09-21:30

2 stops41h 51m

₹ 118,492

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 ₹ 28,385. 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 ₹ 29,623.

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 ₹ 89,214. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from New Delhi to Illinois on a Sunday will generally be more expensive and average around ₹ 111,538. 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 ₹ 95,744 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 ₹ 81,630 on momondo.

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

There are 2 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	₹ 487,240
Fastest flight time	18h 30m
Direct flights	None

The best one-way flight to Illinois from New Delhi in the past 72 hours is ₹ 487,240. The best return flight deal from New Delhi to Illinois found on momondo in the last 72 hours is ₹ 118,421.

The fastest flight from New Delhi to Illinois takes 18h 30m

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 July 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 96.15% of the total bookings. Other popular models include Boeing 777-200LR with 3.85%.

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 ₹ 53,086	Free Cancellation	Rating 7.4 4,442 reviews	Search Turkish Airlines flights
Air India	PriceFrom ₹ 54,675	Free Cancellation	Rating 5.6 2,958 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 69,250	Free Cancellation	Rating 7.3 1,475 reviews	Search Etihad Airways flights
Finnair	PriceFrom ₹ 70,144	Free Cancellation	Rating 7.6 1,418 reviews	Search Finnair flights
British Airways	PriceFrom ₹ 74,918	Free Cancellation	Rating 6.7 8,104 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 79,324	Free Cancellation	Rating 7.3 3,744 reviews	Search Qatar Airways flights
KLM	PriceFrom ₹ 81,680	Free Cancellation	Rating 7.8 1,537 reviews	Search KLM flights
United Airlines	PriceFrom ₹ 85,622	Free Cancellation	Rating 7.4 9,981 reviews	Search United Airlines flights
LOT	PriceFrom ₹ 86,243	Free Cancellation	Rating 7.5 1,210 reviews	Search LOT flights
SWISS	PriceFrom ₹ 91,580	Free Cancellation	Rating 7.5 2,001 reviews	Search SWISS 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.