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 43% 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?

Etihad Airways, Delta, and KLM 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 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.

₹ 52,199 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.

08:10 - 23:31

DEL

STL

25h 51m

2 stops

18:44 - 05:20

STL

DEL

23h 06m

2 stops

₹ 90,283British Airways

Wed, 21 Oct - Sun, 24 Jan

09:25 - 08:35

DEL

ORD

33h 40m

1 stop

20:25 - 03:10

ORD

DEL

20h 15m

1 stop

₹ 91,420Etihad Airways

Mon, 13 Jul - Wed, 12 Aug

01:35 - 14:00

DEL

ORD

22h 55m

2 stops

21:50 - 01:15

ORD

DEL

39h 55m

1 stop

₹ 91,609British Airways

Sun, 20 Sep - Sat, 5 Dec

04:50 - 08:35

DEL

ORD

38h 15m

1 stop

14:00 - 03:10

ORD

DEL

26h 40m

1 stop

₹ 91,704Etihad Airways

Wed, 19 Aug - Sat, 12 Sep

00:50 - 15:15

DEL

ORD

24h 55m

1 stop

18:25 - 01:55

ORD

DEL

21h 00m

2 stops

₹ 91,799Multiple Airlines

Sat, 12 Sep - Wed, 23 Sep

07:40 - 05:00

DEL

ORD

31h 50m

2 stops

21:30 - 05:20

ORD

DEL

21h 20m

1 stop

₹ 92,272Finnair

Thu, 17 Sep - Sun, 27 Sep

07:40 - 23:25

DEL

STL

26h 15m

2 stops

11:55 - 06:05

STL

DEL

30h 40m

2 stops

₹ 100,135Finnair

Sun, 18 Oct - Sat, 23 Jan

23:35 - 12:13

DEL

STL

23h 08m

2 stops

06:30 - 21:50

STL

DEL

27h 50m

1 stop

₹ 113,020United Airlines

Mon, 19 Oct - Fri, 22 Jan

03:55 - 16:25

DEL

MDW

23h 00m

2 stops

17:25 - 01:55

MDW

DEL

22h 00m

2 stops

₹ 114,346KLM

Tue, 20 Oct - Tue, 6 Apr

23:35 - 18:44

DEL

DEC

53h 39m

2 stops

19:20 - 21:30

DEC

DEL

39h 40m

2 stops

₹ 118,325United Airlines

Wed, 9 Sep - Sun, 13 Sep

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KLM flights from New Delhi to Illinois

Our best KLM deals on New Delhi to Illinois flight tickets

KLM

28 Jun

DEL03:55New Delhi Indira Gandhi Intl

23h 37m

2 stops

ORD17:02Chicago O'Hare Intl

30 Jul

ORD16:20Chicago O'Hare Intl

23h 05m

1 stop

DEL01:55New Delhi Indira Gandhi Intl

₹ 93,030

KLM

29 Jun

DEL00:50New Delhi Indira Gandhi Intl

23h 55m

2 stops

ORD14:15Chicago O'Hare Intl

30 Jul

ORD16:20Chicago O'Hare Intl

23h 05m

1 stop

DEL01:55New Delhi Indira Gandhi Intl

₹ 94,451

KLM

20 Oct

DEL03:55New Delhi Indira Gandhi Intl

23h 00m

2 stops

MDW16:25Chicago Midway

6 Apr

MDW17:25Chicago Midway

22h 00m

2 stops

DEL01:55New Delhi Indira Gandhi Intl

₹ 114,346

Virgin Atlantic flights from New Delhi to Illinois

Our best Virgin Atlantic deals on New Delhi to Illinois flight tickets

Virgin Atlantic

30 Jun

DEL02:05New Delhi Indira Gandhi Intl

31h 07m

2 stops

ORD22:42Chicago O'Hare Intl

12 Aug

ORD11:22Chicago O'Hare Intl

26h 13m

2 stops

DEL00:05New Delhi Indira Gandhi Intl

₹ 93,599

Virgin Atlantic

6 Jul

DEL02:05New Delhi Indira Gandhi Intl

25h 31m

2 stops

ORD17:06Chicago O'Hare Intl

11 Aug

ORD18:25Chicago O'Hare Intl

28h 15m

2 stops

DEL09:10New Delhi Indira Gandhi Intl

₹ 93,693

Virgin Atlantic

14 Jul

DEL02:05New Delhi Indira Gandhi Intl

26h 43m

2 stops

MDW18:18Chicago Midway

15 Aug

MDW13:25Chicago Midway

24h 10m

2 stops

DEL00:05New Delhi Indira Gandhi Intl

₹ 114,441

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 21/10

08:10-23:31

2 stops25h 51m

Lambert-St Louis

Sun 24/1

18:44-05:20

2 stops23h 06m

₹ 90,283

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Mon 13/7

09:25-08:35

1 stop33h 40m

Chicago O'Hare Intl

Wed 12/8

20:25-03:10

1 stop20h 15m

₹ 91,420

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sun 20/9

01:35-14:00

2 stops22h 55m

Chicago O'Hare Intl

Sat 5/12

21:50-01:15

1 stop39h 55m

₹ 91,609

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 19/8

04:50-08:35

1 stop38h 15m

Chicago O'Hare Intl

Sat 12/9

14:00-03:10

1 stop26h 40m

₹ 91,704

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 12/9

00:50-15:15

1 stop24h 55m

Chicago O'Hare Intl

Wed 23/9

18:25-01:55

2 stops21h 00m

₹ 91,799

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 17/9

07:40-05:00

2 stops31h 50m

Chicago O'Hare Intl

Sun 27/9

21:30-05:20

1 stop21h 20m

₹ 92,272

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 18/10

07:40-23:25

2 stops26h 15m

Lambert-St Louis

Sat 23/1

11:55-06:05

2 stops30h 40m

₹ 100,135

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 19/10

23:35-12:13

2 stops23h 08m

Lambert-St Louis

Fri 22/1

06:30-21:50

1 stop27h 50m

₹ 113,020

Fastest return journey

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Tue 20/10

03:55-16:25

2 stops23h 00m

Chicago Midway

Tue 6/4

17:25-01:55

2 stops22h 00m

₹ 114,346

New DelhiDecatur

DEL - DEC

DELDEC

New Delhi Indira Gandhi Intl

Wed 9/9

23:35-18:44

2 stops53h 39m

Decatur Arpt

Sun 13/9

19:20-21:30

2 stops39h 40m

₹ 118,325

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 ₹ 28,231. 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 ₹ 29,463.

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 ₹ 88,731. 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 ₹ 105,640. 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 ₹ 94,870 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 ₹ 81,188 on momondo.

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

There are 3 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	₹ 484,603
Fastest flight time	21h 20m
Direct flights	None

The best one-way flight to Illinois from New Delhi in the past 72 hours is ₹ 484,603. The best return flight deal from New Delhi to Illinois found on momondo in the last 72 hours is ₹ 117,780.

The fastest flight from New Delhi to Illinois takes 21h 20m

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 96.67% of the total bookings. Other popular models include Boeing 777-200LR with 3.33%.

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 ₹ 52,799	Free Cancellation	Rating 7.4 4,417 reviews	Search Turkish Airlines flights
Air India	PriceFrom ₹ 66,835	Free Cancellation	Rating 5.5 2,958 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 68,562	Free Cancellation	Rating 7.3 1,463 reviews	Search Etihad Airways flights
Finnair	PriceFrom ₹ 69,764	Free Cancellation	Rating 7.6 1,415 reviews	Search Finnair flights
British Airways	PriceFrom ₹ 74,512	Free Cancellation	Rating 6.7 8,070 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 78,895	Free Cancellation	Rating 7.3 3,730 reviews	Search Qatar Airways flights
KLM	PriceFrom ₹ 81,238	Free Cancellation	Rating 7.8 1,530 reviews	Search KLM flights
United Airlines	PriceFrom ₹ 85,159	Free Cancellation	Rating 7.4 9,886 reviews	Search United Airlines flights
LOT	PriceFrom ₹ 85,776	Free Cancellation	Rating 7.5 1,203 reviews	Search LOT flights
Emirates	PriceFrom ₹ 90,017	Free Cancellation	Rating 8.1 3,597 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.