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 51% 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?

KLM, LOT, and Delta 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 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.

₹ 60,655 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 - 19:25

DEL

STL

27h 35m

2 stops

17:04 - 05:20

STL

DEL

24h 46m

2 stops

₹ 91,174British Airways

Tue, 24 Nov - Wed, 20 Jan

15:55 - 15:40

DEL

ORD

34h 15m

1 stop

20:25 - 07:55

ORD

DEL

25h 00m

1 stop

₹ 92,422Etihad Airways

Fri, 11 Sep - Thu, 1 Oct

15:55 - 08:35

DEL

ORD

27h 10m

1 stop

20:20 - 19:20

ORD

DEL

35h 30m

1 stop

₹ 92,518Etihad Airways

Sat, 12 Sep - Thu, 3 Dec

03:20 - 00:01

DEL

ORD

32h 11m

2 stops

17:10 - 01:15

ORD

DEL

20h 35m

1 stop

₹ 92,518British Airways

Tue, 10 Nov - Sun, 6 Dec

07:50 - 05:00

DEL

ORD

32h 40m

2 stops

13:22 - 05:20

ORD

DEL

29h 28m

2 stops

₹ 92,710Finnair

Tue, 12 Jan - Mon, 12 Apr

03:20 - 14:25

DEL

ORD

22h 35m

1 stop

13:35 - 02:40

ORD

DEL

25h 35m

2 stops

₹ 92,806Delta

Sun, 13 Dec - Tue, 5 Jan

05:10 - 16:15

DEL

ORD

22h 35m

1 stop

13:35 - 02:40

ORD

DEL

25h 35m

2 stops

₹ 92,806Delta

Thu, 17 Dec - Tue, 5 Jan

07:15 - 19:50

DEL

ORD

23h 05m

1 stop

21:50 - 05:10

ORD

DEL

19h 50m

1 stop

₹ 93,094LOT

Wed, 7 Oct - Fri, 27 Nov

08:00 - 19:50

DEL

ORD

22h 20m

1 stop

21:50 - 05:10

ORD

DEL

19h 50m

1 stop

₹ 93,094LOT

Thu, 8 Oct - Wed, 25 Nov

07:40 - 17:50

DEL

ORD

20h 40m

1 stop

21:30 - 06:05

ORD

DEL

22h 05m

1 stop

₹ 93,766Finnair

Sun, 18 Oct - Sat, 24 Oct

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United Airlines flights from New Delhi to Illinois

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

United Airlines

13 Sept

DEL23:35New Delhi Indira Gandhi Intl

20h 39m

1 stop

ORD09:44Chicago O'Hare Intl

28 Feb

ORD13:12Chicago O'Hare Intl

21h 08m

2 stops

DEL21:50New Delhi Indira Gandhi Intl

₹ 93,574

United Airlines

12 Sept

DEL23:35New Delhi Indira Gandhi Intl

26h 11m

2 stops

ORD15:16Chicago O'Hare Intl

19 Sept

ORD07:30Chicago O'Hare Intl

27h 30m

2 stops

DEL21:30New Delhi Indira Gandhi Intl

₹ 93,670

United Airlines

11 Aug

DEL23:35New Delhi Indira Gandhi Intl

27h 54m

2 stops

ORD16:59Chicago O'Hare Intl

20 Sept

ORD08:42Chicago O'Hare Intl

26h 18m

2 stops

DEL21:30New Delhi Indira Gandhi Intl

₹ 104,131

Finnair flights from New Delhi to Illinois

Our best Finnair deals on New Delhi to Illinois flight tickets

Finnair

17 Oct

DEL07:40New Delhi Indira Gandhi Intl

20h 40m

1 stop

ORD17:50Chicago O'Hare Intl

26 Nov

ORD16:32Chicago O'Hare Intl

26h 03m

2 stops

DEL06:05New Delhi Indira Gandhi Intl

₹ 94,053

Finnair

10 Oct

DEL07:40New Delhi Indira Gandhi Intl

46h 26m

2 stops

ORD19:36Chicago O'Hare Intl

24 Nov

ORD16:32Chicago O'Hare Intl

26h 03m

2 stops

DEL06:05New Delhi Indira Gandhi Intl

₹ 94,629

Finnair

2 Oct

DEL07:40New Delhi Indira Gandhi Intl

20h 40m

1 stop

ORD17:50Chicago O'Hare Intl

8 Jan

ORD16:26Chicago O'Hare Intl

26h 09m

2 stops

DEL06:05New Delhi Indira Gandhi Intl

₹ 95,109

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Tue 24/11

03:20-19:25

2 stops27h 35m

Lambert-St Louis

Wed 20/1

17:04-05:20

2 stops24h 46m

₹ 91,174

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Fri 11/9

15:55-15:40

1 stop34h 15m

Chicago O'Hare Intl

Thu 1/10

20:25-07:55

1 stop25h 00m

₹ 92,422

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 12/9

15:55-08:35

1 stop27h 10m

Chicago O'Hare Intl

Thu 3/12

20:20-19:20

1 stop35h 30m

₹ 92,518

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 10/11

03:20-00:01

2 stops32h 11m

Chicago O'Hare Intl

Sun 6/12

17:10-01:15

1 stop20h 35m

₹ 92,518

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 12/1

07:50-05:00

2 stops32h 40m

Chicago O'Hare Intl

Mon 12/4

13:22-05:20

2 stops29h 28m

₹ 92,710

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sun 13/12

03:20-14:25

1 stop22h 35m

Chicago O'Hare Intl

Tue 5/1

13:35-02:40

2 stops25h 35m

₹ 92,806

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 17/12

05:10-16:15

1 stop22h 35m

Chicago O'Hare Intl

Tue 5/1

13:35-02:40

2 stops25h 35m

₹ 92,806

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 7/10

07:15-19:50

1 stop23h 05m

Chicago O'Hare Intl

Fri 27/11

21:50-05:10

1 stop19h 50m

₹ 93,094

Fastest return journey

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 8/10

08:00-19:50

1 stop22h 20m

Chicago O'Hare Intl

Wed 25/11

21:50-05:10

1 stop19h 50m

₹ 93,094

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sun 18/10

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Sat 24/10

21:30-06:05

1 stop22h 05m

₹ 93,766

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 ₹ 80,617. 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 ₹ 82,345.

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 ₹ 89,890. 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 ₹ 112,383. 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 ₹ 96,981 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 ₹ 82,249 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	₹ 490,932
Fastest flight time	20h 35m
Direct flights	None

The best one-way flight to Illinois from New Delhi in the past 72 hours is ₹ 490,932. The best return flight deal from New Delhi to Illinois found on momondo in the last 72 hours is ₹ 119,318.

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 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 95.45% of the total bookings. Other popular models include Boeing 777-200LR with 4.55%.

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 ₹ 53,489	Free Cancellation	Rating 7.4 4,455 reviews	Search Turkish Airlines flights
Air India	PriceFrom ₹ 55,089	Free Cancellation	Rating 5.5 2,953 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 69,775	Free Cancellation	Rating 7.3 1,494 reviews	Search Etihad Airways flights
Finnair	PriceFrom ₹ 70,675	Free Cancellation	Rating 7.6 1,427 reviews	Search Finnair flights
British Airways	PriceFrom ₹ 75,486	Free Cancellation	Rating 6.7 8,129 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 79,925	Free Cancellation	Rating 7.3 3,743 reviews	Search Qatar Airways flights
LOT	PriceFrom ₹ 80,842	Free Cancellation	Rating 7.5 1,215 reviews	Search LOT flights
KLM	PriceFrom ₹ 82,299	Free Cancellation	Rating 7.8 1,550 reviews	Search KLM flights
SWISS	PriceFrom ₹ 92,274	Free Cancellation	Rating 7.5 2,019 reviews	Search SWISS flights
Emirates	PriceFrom ₹ 93,161	Free Cancellation	Rating 8.1 3,640 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.