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

Turkish Airlines, Oman Air, and Delta 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 46% 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 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.

₹ 55,466 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.

07:20 - 22:29

DEL

STL

26h 39m

2 stops

14:17 - 01:15

STL

DEL

23h 28m

2 stops

₹ 89,956British Airways

Fri, 13 Nov - Tue, 24 Nov

09:25 - 08:35

DEL

ORD

33h 40m

1 stop

21:10 - 03:10

ORD

DEL

19h 30m

1 stop

₹ 90,712Etihad Airways

Mon, 27 Jul - Thu, 3 Sep

00:50 - 16:23

DEL

ORD

26h 03m

2 stops

11:22 - 00:05

ORD

DEL

26h 13m

2 stops

₹ 90,806Delta

Mon, 13 Jul - Sat, 15 Aug

00:50 - 18:25

DEL

MDW

28h 05m

2 stops

12:46 - 00:05

MDW

DEL

24h 49m

2 stops

₹ 90,806Delta

Mon, 13 Jul - Wed, 5 Aug

10:05 - 11:30

DEL

ORD

35h 55m

2 stops

21:15 - 23:35

ORD

DEL

39h 50m

1 stop

₹ 91,279British Airways

Mon, 13 Jul - Sun, 6 Sep

04:50 - 15:40

DEL

ORD

21h 20m

1 stop

20:25 - 03:10

ORD

DEL

20h 15m

1 stop

₹ 91,373Etihad Airways

Mon, 27 Jul - Wed, 19 Aug

15:55 - 15:40

DEL

ORD

34h 15m

1 stop

13:10 - 19:20

ORD

DEL

18h 40m

1 stop

₹ 91,468Etihad Airways

Thu, 30 Jul - Wed, 20 Jan

23:30 - 11:56

DEL

STL

22h 56m

2 stops

09:44 - 21:00

STL

DEL

24h 46m

2 stops

₹ 107,626American Airlines

Sat, 5 Sep - Tue, 8 Sep

03:20 - 16:50

DEL

MDW

25h 00m

2 stops

17:59 - 01:55

MDW

DEL

21h 26m

2 stops

₹ 113,862KLM

Mon, 9 Nov - Wed, 28 Apr

03:55 - 18:01

DEL

MDW

24h 36m

2 stops

17:11 - 01:55

MDW

DEL

22h 14m

2 stops

₹ 117,453KLM

Sun, 16 Aug - Tue, 22 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from New Delhi to Illinois

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

British Airways

13 Nov

DEL07:20New Delhi Indira Gandhi Intl

26h 39m

2 stops

STL22:29Lambert-St Louis

24 Nov

STL14:17Lambert-St Louis

23h 28m

2 stops

DEL01:15New Delhi Indira Gandhi Intl

₹ 89,956

British Airways

13 Jul

DEL10:05New Delhi Indira Gandhi Intl

35h 55m

2 stops

ORD11:30Chicago O'Hare Intl

6 Sept

ORD21:15Chicago O'Hare Intl

39h 50m

1 stop

DEL23:35New Delhi Indira Gandhi Intl

₹ 91,279

British Airways

23 Jul

DEL10:05New Delhi Indira Gandhi Intl

35h 55m

2 stops

ORD11:30Chicago O'Hare Intl

10 Sept

ORD16:01Chicago O'Hare Intl

21h 04m

2 stops

DEL23:35New Delhi Indira Gandhi Intl

₹ 91,562

Delta flights from New Delhi to Illinois

Our best Delta deals on New Delhi to Illinois flight tickets

Delta

13 Jul

DEL00:50New Delhi Indira Gandhi Intl

26h 03m

2 stops

ORD16:23Chicago O'Hare Intl

15 Aug

ORD11:22Chicago O'Hare Intl

26h 13m

2 stops

DEL00:05New Delhi Indira Gandhi Intl

₹ 90,806

Delta

2 Jul

DEL00:50New Delhi Indira Gandhi Intl

28h 11m

2 stops

MDW18:31Chicago Midway

25 Jul

MDW09:19Chicago Midway

27h 01m

2 stops

DEL22:50New Delhi Indira Gandhi Intl

₹ 100,539

Delta

13 Jul

DEL00:50New Delhi Indira Gandhi Intl

28h 05m

2 stops

MDW18:25Chicago Midway

30 Jul

MDW18:58Chicago Midway

20h 27m

2 stops

DEL01:55New Delhi Indira Gandhi Intl

₹ 104,507

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 13/11

07:20-22:29

2 stops26h 39m

Lambert-St Louis

Tue 24/11

14:17-01:15

2 stops23h 28m

₹ 89,956

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 27/7

09:25-08:35

1 stop33h 40m

Chicago O'Hare Intl

Thu 3/9

21:10-03:10

1 stop19h 30m

₹ 90,712

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 13/7

00:50-16:23

2 stops26h 03m

Chicago O'Hare Intl

Sat 15/8

11:22-00:05

2 stops26h 13m

₹ 90,806

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Mon 13/7

00:50-18:25

2 stops28h 05m

Chicago Midway

Wed 5/8

12:46-00:05

2 stops24h 49m

₹ 90,806

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 13/7

10:05-11:30

2 stops35h 55m

Chicago O'Hare Intl

Sun 6/9

21:15-23:35

1 stop39h 50m

₹ 91,279

Fastest return journey

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 27/7

04:50-15:40

1 stop21h 20m

Chicago O'Hare Intl

Wed 19/8

20:25-03:10

1 stop20h 15m

₹ 91,373

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 30/7

15:55-15:40

1 stop34h 15m

Chicago O'Hare Intl

Wed 20/1

13:10-19:20

1 stop18h 40m

₹ 91,468

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sat 5/9

23:30-11:56

2 stops22h 56m

Lambert-St Louis

Tue 8/9

09:44-21:00

2 stops24h 46m

₹ 107,626

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Mon 9/11

03:20-16:50

2 stops25h 00m

Chicago Midway

Wed 28/4

17:59-01:55

2 stops21h 26m

₹ 113,862

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Sun 16/8

03:55-18:01

2 stops24h 36m

Chicago Midway

Tue 22/9

17:11-01:55

2 stops22h 14m

₹ 117,453

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 ₹ 28,158. 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 ₹ 29,387.

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 ₹ 88,502. 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 ₹ 110,648. 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 ₹ 94,673 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 ₹ 80,979 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	₹ 483,353
Fastest flight time	21h 25m
Direct flights	None

The best one-way flight to Illinois from New Delhi in the past 72 hours is ₹ 483,353. The best return flight deal from New Delhi to Illinois found on momondo in the last 72 hours is ₹ 117,476.

The fastest flight from New Delhi to Illinois takes 21h 25m

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 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 ₹ 52,663	Free Cancellation	Rating 7.4 4,430 reviews	Search Turkish Airlines flights
Air India	PriceFrom ₹ 66,663	Free Cancellation	Rating 5.6 2,957 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 68,385	Free Cancellation	Rating 7.3 1,469 reviews	Search Etihad Airways flights
Finnair	PriceFrom ₹ 69,584	Free Cancellation	Rating 7.6 1,415 reviews	Search Finnair flights
British Airways	PriceFrom ₹ 74,320	Free Cancellation	Rating 6.7 8,088 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 78,691	Free Cancellation	Rating 7.3 3,738 reviews	Search Qatar Airways flights
KLM	PriceFrom ₹ 81,028	Free Cancellation	Rating 7.8 1,531 reviews	Search KLM flights
United Airlines	PriceFrom ₹ 84,939	Free Cancellation	Rating 7.4 9,899 reviews	Search United Airlines flights
LOT	PriceFrom ₹ 85,555	Free Cancellation	Rating 7.5 1,210 reviews	Search LOT flights
SWISS	PriceFrom ₹ 90,578	Free Cancellation	Rating 7.5 1,981 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.