Which airlines fly to Illinois?

Air India, Etihad Airways and Finnair are the top three most popular airlines that fly to Illinois from New Delhi according to our data. Air India is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 13 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?

Qatar Airways, 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 April 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.

₹ 43,390 Cheap Flights from New Delhi to Illinois in 2026

1 adult

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Find the cheapest flights from New Delhi to Illinois

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

07:40 - 19:49

DEL

ORD

46h 39m

2 stops

21:30 - 05:20

ORD

DEL

21h 20m

1 stop

₹ 75,376Finnair

Sat, 12 Sep - Sat, 26 Sep

04:50 - 15:40

DEL

ORD

21h 20m

1 stop

21:10 - 03:10

ORD

DEL

19h 30m

1 stop

₹ 76,210Etihad Airways

Tue, 16 Jun - Wed, 15 Jul

07:40 - 17:50

DEL

ORD

20h 40m

1 stop

21:30 - 05:20

ORD

DEL

21h 20m

1 stop

₹ 76,303Finnair

Wed, 22 Jul - Tue, 22 Sep

09:25 - 08:35

DEL

ORD

33h 40m

1 stop

21:10 - 14:10

ORD

DEL

30h 30m

1 stop

₹ 76,396Etihad Airways

Wed, 10 Jun - Tue, 30 Jun

01:05 - 18:31

DEL

MDW

27h 56m

2 stops

09:49 - 01:55

MDW

DEL

29h 36m

2 stops

₹ 104,951Delta

Tue, 9 Jun - Fri, 17 Jul

03:55 - 17:56

DEL

MDW

24h 31m

2 stops

17:59 - 01:55

MDW

DEL

21h 26m

2 stops

₹ 109,494Delta

Sun, 31 May - Thu, 27 Aug

03:25 - 19:32

DEL

STL

26h 37m

2 stops

18:51 - 08:45

STL

DEL

27h 24m

2 stops

₹ 114,964Qatar Airways

Sun, 9 Aug - Wed, 21 Oct

21:30 - 23:54

DEL

STL

36h 54m

2 stops

11:35 - 02:55

STL

DEL

28h 50m

2 stops

₹ 115,521Qatar Airways

Mon, 1 Jun - Mon, 31 Aug

03:55 - 17:56

DEL

MDW

24h 31m

2 stops

18:45 - 01:55

MDW

DEL

20h 40m

2 stops

₹ 118,302KLM

Thu, 28 May - Mon, 24 Aug

03:55 - 17:56

DEL

MDW

24h 31m

2 stops

17:25 - 01:55

MDW

DEL

22h 00m

2 stops

₹ 121,176KLM

Thu, 28 May - Wed, 26 Aug

Etihad Airways flights from New Delhi to Illinois

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

Etihad Airways

16 Jun

DEL04:50New Delhi Indira Gandhi Intl

21h 20m

1 stop

ORD15:40Chicago O'Hare Intl

15 Jul

ORD21:10Chicago O'Hare Intl

19h 30m

1 stop

DEL03:10New Delhi Indira Gandhi Intl

₹ 76,210

Etihad Airways

10 Jun

DEL09:25New Delhi Indira Gandhi Intl

33h 40m

1 stop

ORD08:35Chicago O'Hare Intl

30 Jun

ORD21:10Chicago O'Hare Intl

30h 30m

1 stop

DEL14:10New Delhi Indira Gandhi Intl

₹ 76,396

Etihad Airways

28 May

DEL15:55New Delhi Indira Gandhi Intl

27h 10m

1 stop

ORD08:35Chicago O'Hare Intl

30 Sept

ORD21:10Chicago O'Hare Intl

19h 30m

1 stop

DEL03:10New Delhi Indira Gandhi Intl

₹ 76,581

Qatar Airways flights from New Delhi to Illinois

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

Qatar Airways

9 Aug

DEL03:25New Delhi Indira Gandhi Intl

26h 37m

2 stops

STL19:32Lambert-St Louis

21 Oct

STL18:51Lambert-St Louis

27h 24m

2 stops

DEL08:45New Delhi Indira Gandhi Intl

₹ 114,964

Qatar Airways

1 Jun

DEL21:30New Delhi Indira Gandhi Intl

36h 54m

2 stops

STL23:54Lambert-St Louis

31 Aug

STL11:35Lambert-St Louis

28h 50m

2 stops

DEL02:55New Delhi Indira Gandhi Intl

₹ 115,521

Qatar Airways

5 May

DEL21:30New Delhi Indira Gandhi Intl

36h 59m

2 stops

STL23:59Lambert-St Louis

6 Jun

STL14:22Lambert-St Louis

26h 03m

2 stops

DEL02:55New Delhi Indira Gandhi Intl

₹ 117,097

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sat 12/9

07:40-19:49

2 stops46h 39m

Chicago O'Hare Intl

Sat 26/9

21:30-05:20

1 stop21h 20m

₹ 75,376

Fastest return journey

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 16/6

04:50-15:40

1 stop21h 20m

Chicago O'Hare Intl

Wed 15/7

21:10-03:10

1 stop19h 30m

₹ 76,210

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 22/7

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Tue 22/9

21:30-05:20

1 stop21h 20m

₹ 76,303

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 10/6

09:25-08:35

1 stop33h 40m

Chicago O'Hare Intl

Tue 30/6

21:10-14:10

1 stop30h 30m

₹ 76,396

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Tue 9/6

01:05-18:31

2 stops27h 56m

Chicago Midway

Fri 17/7

09:49-01:55

2 stops29h 36m

₹ 104,951

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Sun 31/5

03:55-17:56

2 stops24h 31m

Chicago Midway

Thu 27/8

17:59-01:55

2 stops21h 26m

₹ 109,494

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 9/8

03:25-19:32

2 stops26h 37m

Lambert-St Louis

Wed 21/10

18:51-08:45

2 stops27h 24m

₹ 114,964

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 1/6

21:30-23:54

2 stops36h 54m

Lambert-St Louis

Mon 31/8

11:35-02:55

2 stops28h 50m

₹ 115,521

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Thu 28/5

03:55-17:56

2 stops24h 31m

Chicago Midway

Mon 24/8

18:45-01:55

2 stops20h 40m

₹ 118,302

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Thu 28/5

03:55-17:56

2 stops24h 31m

Chicago Midway

Wed 26/8

17:25-01:55

2 stops22h 00m

₹ 121,176

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 ₹ 77,230. If you aren’t able to travel during the month of October, then book flights to Illinois from New Delhi during April instead. Flights to Illinois in April, while not as cheap as those in October, still average around ₹ 84,184.

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 Thursday. momondo users have found tickets for Thursday departures for as low as ₹ 99,876. 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 ₹ 111,462. 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 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 ₹ 92,150 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 ₹ 79,826 on momondo.

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

There are 3 cabin classes available to choose from on New Delhi Indira Gandhi Intl 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?

You could potentially save up to 19% on your flight if you consider stops on a New Delhi to Illinois flight.

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

Fastest flight time	20h 40m
Direct flights	Mon, Wed, Fri and Sun
Airports in Illinois	98 airports

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

Direct flights go from New Delhi to Illinois on Monday, Wednesday, Friday and Sunday. Airline offering direct flights is Air India..

There are 98 airports in Illinois. From New Delhi there are direct flights to Chicago O'Hare Intl (ORD).

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 April 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 98.67% of the total bookings. Other popular models include Boeing 777-200LR with 1.33%.

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
Etihad Airways	PriceFrom ₹ 39,230	Free Cancellation	Rating 7.3 1,431 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom ₹ 51,672	Free Cancellation	Rating 7.3 4,308 reviews	Search Turkish Airlines flights
Finnair	PriceFrom ₹ 68,323	Free Cancellation	Rating 7.7 1,390 reviews	Search Finnair flights
IndiGo	PriceFrom ₹ 69,638	Free Cancellation	Rating 6.8 551 reviews	Search IndiGo flights
British Airways	PriceFrom ₹ 77,236	Free Cancellation	Rating 6.7 7,893 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 77,330	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
KLM	PriceFrom ₹ 79,504	Free Cancellation	Rating 7.8 1,502 reviews	Search KLM flights
Air India	PriceFrom ₹ 80,108	Free Cancellation	Rating 5.5 2,969 reviews	Search Air India flights
LOT	PriceFrom ₹ 83,945	Free Cancellation	Rating 7.5 1,188 reviews	Search LOT flights
United Airlines	PriceFrom ₹ 84,160	Free Cancellation	Rating 7.4 9,604 reviews	Search United Airlines 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.