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 52% 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, Emirates, 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 August 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.

₹ 61,248 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 - 18:17

DEL

STL

26h 27m

2 stops

14:00 - 01:15

STL

DEL

23h 45m

2 stops

₹ 90,822British Airways

Tue, 17 Nov - Wed, 10 Mar

03:20 - 18:17

DEL

STL

26h 27m

2 stops

18:50 - 05:20

STL

DEL

24h 00m

2 stops

₹ 90,822British Airways

Tue, 17 Nov - Wed, 17 Mar

21:15 - 08:35

DEL

ORD

21h 50m

1 stop

14:00 - 07:55

ORD

DEL

31h 25m

1 stop

₹ 91,681Etihad Airways

Sat, 3 Oct - Thu, 1 Apr

07:40 - 17:50

DEL

ORD

20h 40m

1 stop

16:26 - 05:20

ORD

DEL

26h 24m

2 stops

₹ 91,681Finnair

Mon, 12 Oct - Mon, 19 Oct

07:40 - 17:50

DEL

ORD

20h 40m

1 stop

16:26 - 06:05

ORD

DEL

26h 09m

2 stops

₹ 91,776Finnair

Tue, 6 Oct - Tue, 5 Jan

04:25 - 16:00

DEL

ORD

22h 05m

1 stop

14:00 - 03:10

ORD

DEL

26h 40m

1 stop

₹ 91,872Etihad Airways

Tue, 27 Oct - Tue, 20 Apr

10:45 - 08:35

DEL

ORD

32h 20m

2 stops

20:25 - 03:10

ORD

DEL

20h 15m

1 stop

₹ 92,158Multiple Airlines

Thu, 3 Sep - Wed, 16 Sep

03:55 - 14:15

DEL

ORD

20h 50m

1 stop

07:05 - 00:05

ORD

DEL

30h 30m

2 stops

₹ 92,253Delta

Mon, 14 Sep - Sun, 20 Sep

07:15 - 19:50

DEL

ORD

23h 05m

1 stop

21:50 - 02:55

ORD

DEL

18h 35m

1 stop

₹ 93,017LOT

Wed, 7 Oct - Wed, 21 Apr

07:15 - 19:50

DEL

ORD

23h 05m

1 stop

21:50 - 02:55

ORD

DEL

18h 35m

1 stop

₹ 93,017LOT

Wed, 7 Oct - Mon, 19 Apr

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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

21 Sept

DEL23:35New Delhi Indira Gandhi Intl

24h 08m

2 stops

ORD13:13Chicago O'Hare Intl

21 Oct

ORD08:50Chicago O'Hare Intl

26h 10m

2 stops

DEL21:30New Delhi Indira Gandhi Intl

₹ 93,017

United Airlines

3 Oct

DEL23:35New Delhi Indira Gandhi Intl

20h 40m

1 stop

ORD09:45Chicago O'Hare Intl

18 Apr

ORD13:10Chicago O'Hare Intl

21h 50m

1 stop

DEL21:30New Delhi Indira Gandhi Intl

₹ 93,208

United Airlines

14 Sept

DEL23:35New Delhi Indira Gandhi Intl

29h 25m

2 stops

ORD18:30Chicago O'Hare Intl

31 Jan

ORD09:00Chicago O'Hare Intl

25h 20m

1 stop

DEL21:50New Delhi Indira Gandhi Intl

₹ 93,303

British Airways flights from New Delhi to Illinois

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

British Airways

17 Nov

DEL03:20New Delhi Indira Gandhi Intl

26h 27m

2 stops

STL18:17Lambert-St Louis

17 Mar

STL18:50Lambert-St Louis

24h 00m

2 stops

DEL05:20New Delhi Indira Gandhi Intl

₹ 90,822

British Airways

20 Nov

DEL10:50New Delhi Indira Gandhi Intl

38h 40m

2 stops

ORD14:00Chicago O'Hare Intl

16 Mar

ORD19:50Chicago O'Hare Intl

18h 55m

1 stop

DEL01:15New Delhi Indira Gandhi Intl

₹ 92,540

British Airways

15 Sept

DEL01:35New Delhi Indira Gandhi Intl

28h 10m

2 stops

ORD19:15Chicago O'Hare Intl

25 Sept

ORD22:25Chicago O'Hare Intl

38h 40m

1 stop

DEL23:35New Delhi Indira Gandhi Intl

₹ 92,635

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

03:20-18:17

2 stops26h 27m

Lambert-St Louis

Wed 10/3

14:00-01:15

2 stops23h 45m

₹ 90,822

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Tue 17/11

03:20-18:17

2 stops26h 27m

Lambert-St Louis

Wed 17/3

18:50-05:20

2 stops24h 00m

₹ 90,822

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 3/10

21:15-08:35

1 stop21h 50m

Chicago O'Hare Intl

Thu 1/4

14:00-07:55

1 stop31h 25m

₹ 91,681

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 12/10

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Mon 19/10

16:26-05:20

2 stops26h 24m

₹ 91,681

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 6/10

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Tue 5/1

16:26-06:05

2 stops26h 09m

₹ 91,776

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 27/10

04:25-16:00

1 stop22h 05m

Chicago O'Hare Intl

Tue 20/4

14:00-03:10

1 stop26h 40m

₹ 91,872

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 3/9

10:45-08:35

2 stops32h 20m

Chicago O'Hare Intl

Wed 16/9

20:25-03:10

1 stop20h 15m

₹ 92,158

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 14/9

03:55-14:15

1 stop20h 50m

Chicago O'Hare Intl

Sun 20/9

07:05-00:05

2 stops30h 30m

₹ 92,253

Fastest return journey

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 7/10

07:15-19:50

1 stop23h 05m

Chicago O'Hare Intl

Wed 21/4

21:50-02:55

1 stop18h 35m

₹ 93,017

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 7/10

07:15-19:50

1 stop23h 05m

Chicago O'Hare Intl

Mon 19/4

21:50-02:55

1 stop18h 35m

₹ 93,017

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 ₹ 80,137. 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 ₹ 81,855.

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 ₹ 89,355. 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 ₹ 111,714. 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 ₹ 96,403 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 ₹ 81,759 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	₹ 488,010
Fastest flight time	20h 35m
Direct flights	None

The best one-way flight to Illinois from New Delhi in the past 72 hours is ₹ 488,010. The best return flight deal from New Delhi to Illinois found on momondo in the last 72 hours is ₹ 118,608.

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 August 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 ₹ 53,170	Free Cancellation	Rating 7.4 4,463 reviews	Search Turkish Airlines flights
Air India	PriceFrom ₹ 54,762	Free Cancellation	Rating 5.5 2,954 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 69,360	Free Cancellation	Rating 7.3 1,499 reviews	Search Etihad Airways flights
Finnair	PriceFrom ₹ 70,255	Free Cancellation	Rating 7.7 1,428 reviews	Search Finnair flights
British Airways	PriceFrom ₹ 75,036	Free Cancellation	Rating 6.7 8,137 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 79,450	Free Cancellation	Rating 7.4 3,736 reviews	Search Qatar Airways flights
LOT	PriceFrom ₹ 80,361	Free Cancellation	Rating 7.6 1,212 reviews	Search LOT flights
KLM	PriceFrom ₹ 81,809	Free Cancellation	Rating 7.8 1,552 reviews	Search KLM flights
SWISS	PriceFrom ₹ 91,725	Free Cancellation	Rating 7.5 2,021 reviews	Search SWISS flights
Emirates	PriceFrom ₹ 92,606	Free Cancellation	Rating 8.1 3,637 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.