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

Delta, Qatar Airways, and KLM 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 49% 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 13 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.

₹ 59,735 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.

03:20 - 16:43

DEL

STL

24h 53m

2 stops

14:00 - 01:15

STL

DEL

23h 45m

2 stops

₹ 91,627British Airways

Tue, 17 Nov - Wed, 10 Mar

08:00 - 15:10

DEL

ORD

41h 40m

2 stops

21:50 - 02:55

ORD

DEL

18h 35m

1 stop

₹ 92,686LOT

Thu, 24 Sep - Sun, 11 Oct

04:50 - 08:35

DEL

ORD

38h 15m

1 stop

20:20 - 07:30

ORD

DEL

23h 40m

1 stop

₹ 93,553Etihad Airways

Wed, 16 Sep - Sun, 29 Nov

16:20 - 15:00

DEL

ORD

34h 10m

1 stop

20:20 - 03:00

ORD

DEL

19h 10m

1 stop

₹ 93,746Etihad Airways

Mon, 14 Dec - Thu, 7 Jan

23:35 - 09:44

DEL

ORD

20h 39m

1 stop

12:40 - 21:50

ORD

DEL

21h 40m

2 stops

₹ 93,843United Airlines

Tue, 8 Sep - Fri, 5 Mar

23:55 - 16:55

DEL

ORD

28h 30m

2 stops

14:20 - 21:50

ORD

DEL

20h 00m

1 stop

₹ 93,939United Airlines

Sun, 22 Nov - Sun, 7 Mar

05:00 - 18:37

DEL

MDW

25h 07m

2 stops

13:00 - 02:35

MDW

DEL

26h 05m

2 stops

₹ 95,288Delta

Thu, 10 Dec - Sat, 9 Jan

07:50 - 19:30

DEL

STL

47h 10m

2 stops

11:47 - 06:05

STL

DEL

30h 48m

2 stops

₹ 100,105Finnair

Sun, 15 Nov - Mon, 8 Mar

03:20 - 18:37

DEL

MDW

26h 47m

2 stops

13:05 - 01:10

MDW

DEL

24h 35m

2 stops

₹ 101,936Delta

Fri, 11 Dec - Wed, 6 Jan

07:50 - 19:30

DEL

STL

47h 10m

2 stops

11:47 - 06:05

STL

DEL

30h 48m

2 stops

₹ 111,667Finnair

Sun, 15 Nov - Sat, 13 Mar

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Oman Air flights from New Delhi to Illinois

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

Oman Air

4 Sept

DEL08:55New Delhi Indira Gandhi Intl

32h 25m

2 stops

ORD06:50Chicago O'Hare Intl

12 Oct

ORD20:00Chicago O'Hare Intl

49h 35m

2 stops

DEL08:05New Delhi Indira Gandhi Intl

₹ 95,866

Oman Air

4 Sept

DEL08:55New Delhi Indira Gandhi Intl

32h 25m

2 stops

ORD06:50Chicago O'Hare Intl

12 Oct

ORD20:00Chicago O'Hare Intl

49h 35m

2 stops

DEL08:05New Delhi Indira Gandhi Intl

₹ 95,962

Oman Air

13 Sept

DEL16:00New Delhi Indira Gandhi Intl

58h 40m

2 stops

ORD16:10Chicago O'Hare Intl

1 Dec

ORD18:50Chicago O'Hare Intl

50h 40m

2 stops

DEL09:00New Delhi Indira Gandhi Intl

₹ 98,275

American Airlines flights from New Delhi to Illinois

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

American Airlines

7 Sept

DEL23:30New Delhi Indira Gandhi Intl

30h 46m

2 stops

ORD19:46Chicago O'Hare Intl

11 Oct

ORD16:26Chicago O'Hare Intl

18h 04m

1 stop

DEL21:00New Delhi Indira Gandhi Intl

₹ 96,926

American Airlines

7 Sept

DEL23:30New Delhi Indira Gandhi Intl

30h 46m

2 stops

ORD19:46Chicago O'Hare Intl

14 Oct

ORD12:52Chicago O'Hare Intl

21h 38m

1 stop

DEL21:00New Delhi Indira Gandhi Intl

₹ 97,118

American Airlines

17 Oct

DEL23:30New Delhi Indira Gandhi Intl

23h 26m

1 stop

ORD12:26Chicago O'Hare Intl

25 Oct

ORD13:31Chicago O'Hare Intl

21h 34m

1 stop

DEL21:35New Delhi Indira Gandhi Intl

₹ 97,696

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Tue 17/11

03:20-16:43

2 stops24h 53m

Lambert-St Louis

Wed 10/3

14:00-01:15

2 stops23h 45m

₹ 91,627

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 24/9

08:00-15:10

2 stops41h 40m

Chicago O'Hare Intl

Sun 11/10

21:50-02:55

1 stop18h 35m

₹ 92,686

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 16/9

04:50-08:35

1 stop38h 15m

Chicago O'Hare Intl

Sun 29/11

20:20-07:30

1 stop23h 40m

₹ 93,553

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 14/12

16:20-15:00

1 stop34h 10m

Chicago O'Hare Intl

Thu 7/1

20:20-03:00

1 stop19h 10m

₹ 93,746

Fastest return journey

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 8/9

23:35-09:44

1 stop20h 39m

Chicago O'Hare Intl

Fri 5/3

12:40-21:50

2 stops21h 40m

₹ 93,843

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sun 22/11

23:55-16:55

2 stops28h 30m

Chicago O'Hare Intl

Sun 7/3

14:20-21:50

1 stop20h 00m

₹ 93,939

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Thu 10/12

05:00-18:37

2 stops25h 07m

Chicago Midway

Sat 9/1

13:00-02:35

2 stops26h 05m

₹ 95,288

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 15/11

07:50-19:30

2 stops47h 10m

Lambert-St Louis

Mon 8/3

11:47-06:05

2 stops30h 48m

₹ 100,105

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Fri 11/12

03:20-18:37

2 stops26h 47m

Chicago Midway

Wed 6/1

13:05-01:10

2 stops24h 35m

₹ 101,936

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 15/11

07:50-19:30

2 stops47h 10m

Lambert-St Louis

Sat 13/3

11:47-06:05

2 stops30h 48m

₹ 111,667

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, October 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 ₹ 81,510. If you aren’t able to travel during the month of October, then book flights to Illinois from New Delhi during February instead. Flights to Illinois in February, while not as cheap as those in October, still average around ₹ 82,666.

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 ₹ 90,241. 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 ₹ 112,822. 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 ₹ 96,909 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 ₹ 82,570 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	₹ 492,849
Fastest flight time	20h 40m
Direct flights	None

The best one-way flight to Illinois from New Delhi in the past 72 hours is ₹ 492,849. The best return flight deal from New Delhi to Illinois found on momondo in the last 72 hours is ₹ 119,784.

The fastest flight from New Delhi to Illinois takes 20h 40m

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 13 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 ₹ 53,697	Free Cancellation	Rating 7.4 4,449 reviews	Search Turkish Airlines flights
Air India	PriceFrom ₹ 55,304	Free Cancellation	Rating 5.6 2,958 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 70,048	Free Cancellation	Rating 7.3 1,479 reviews	Search Etihad Airways flights
Finnair	PriceFrom ₹ 70,951	Free Cancellation	Rating 7.6 1,420 reviews	Search Finnair flights
British Airways	PriceFrom ₹ 75,780	Free Cancellation	Rating 6.7 8,122 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 80,237	Free Cancellation	Rating 7.3 3,744 reviews	Search Qatar Airways flights
KLM	PriceFrom ₹ 82,620	Free Cancellation	Rating 7.8 1,541 reviews	Search KLM flights
United Airlines	PriceFrom ₹ 86,608	Free Cancellation	Rating 7.4 10,006 reviews	Search United Airlines flights
LOT	PriceFrom ₹ 87,236	Free Cancellation	Rating 7.5 1,211 reviews	Search LOT flights
Emirates	PriceFrom ₹ 93,525	Free Cancellation	Rating 8.1 3,629 reviews	Search Emirates 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.