What is the cheapest airline that flies from National Capital Territory of India to Illinois?

Etihad Airways, Air India, and IndiGo are the most popular carriers operating from National Capital Territory of India to Illinois

Which airlines fly to Illinois?

Air India, United Airlines and SWISS are the top three most popular airlines that fly to Illinois from National Capital Territory of India according to our data. Air India 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 15 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from National Capital Territory of India to Illinois?

As of September 2025, there are 15 operators available to choose from for flights from National Capital Territory of India to Illinois.

How old do you have to be to fly from National Capital Territory of India to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from National Capital Territory of India to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

₹ 40,368 Cheap Flights from National Capital Territory of India to Illinois in 2025

Q: How many flights depart from National Capital Territory of India to Illinois on average per week?

3 flights are operational weekly from National Capital Territory of India to Illinois as of September 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

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Find the cheapest flights from National Capital Territory of India to Illinois

Round-trip

One-way

Last minute

Direct

Cheap return flights

10:05 - 13:30DEL-ORD

37h 55m2 stops

21:15 - 23:35ORD-DEL

39h 50m1 stop

₹ 69,101British Airways

Find Deal

Tue, 7 Oct - Sun, 29 Mar

10:05 - 13:30DEL-ORD

37h 55m2 stops

16:55 - 23:35ORD-DEL

20h 10m1 stop

₹ 69,189British Airways

Find Deal

Tue, 7 Oct - Wed, 1 Apr

04:25 - 07:55DEL-ORD

39h 00m1 stop

13:10 - 19:20ORD-DEL

18h 40m1 stop

₹ 69,277Etihad Airways

Find Deal

Tue, 25 Nov - Tue, 30 Dec

01:35 - 17:13DEL-ORD

26h 08m2 stops

21:45 - 08:45ORD-DEL

23h 30m1 stop

₹ 69,366British Airways

Find Deal

Sun, 28 Sep - Sun, 22 Feb

21:15 - 08:45DEL-ORD

22h 00m1 stop

14:10 - 19:20ORD-DEL

18h 40m1 stop

₹ 69,718Etihad Airways

Find Deal

Fri, 24 Oct - Mon, 27 Oct

23:35 - 10:48DEL-STL

21h 43m1 stop

12:25 - 21:30STL-DEL

22h 35m2 stops

₹ 106,649United Airlines

Find Deal

Thu, 25 Sep - Mon, 29 Sep

23:35 - 18:57DEL-STL

29h 52m2 stops

12:25 - 21:30STL-DEL

22h 35m2 stops

₹ 107,001United Airlines

Find Deal

Thu, 25 Sep - Mon, 29 Sep

03:25 - 00:03DEL-STL

31h 08m2 stops

06:33 - 15:30STL-DEL

46h 27m2 stops

₹ 112,289Qatar Airways

Find Deal

Mon, 6 Oct - Tue, 14 Oct

13:35 - 13:55DEL-STL

35h 50m1 stop

15:50 - 07:55STL-DEL

28h 35m2 stops

₹ 127,097Lufthansa

Find Deal

Thu, 20 Nov - Sun, 28 Dec

03:35 - 23:44DEL-STL

31h 39m2 stops

15:50 - 01:30STL-DEL

22h 10m1 stop

₹ 130,005Lufthansa

Find Deal

Wed, 19 Nov - Sun, 28 Dec

IndiGo flights from National Capital Territory of India to Illinois

Our best IndiGo deals on National Capital Territory of India to Illinois flight tickets

IndiGo

21 Sept

DEL06:55New Delhi Indira Gandhi Intl

37h 15m

1 stop

ORD09:40Chicago O'Hare Intl

3 Dec

ORD11:50Chicago O'Hare Intl

29h 20m

1 stop

DEL04:40New Delhi Indira Gandhi Intl

₹ 70,247

Find similar

IndiGo

16 Sept

DEL06:55New Delhi Indira Gandhi Intl

37h 15m

1 stop

ORD09:40Chicago O'Hare Intl

30 Sept

ORD19:50Chicago O'Hare Intl

22h 40m

1 stop

DEL05:00New Delhi Indira Gandhi Intl

₹ 72,274

Find similar

IndiGo

16 Sept

DEL06:55New Delhi Indira Gandhi Intl

37h 15m

1 stop

ORD09:40Chicago O'Hare Intl

12 Oct

ORD11:25Chicago O'Hare Intl

31h 05m

1 stop

DEL05:00New Delhi Indira Gandhi Intl

₹ 72,627

Find similar

Etihad Airways flights from National Capital Territory of India to Illinois

Our best Etihad Airways deals on National Capital Territory of India to Illinois flight tickets

Etihad Airways

25 Nov

DEL04:25New Delhi Indira Gandhi Intl

39h 00m

1 stop

ORD07:55Chicago O'Hare Intl

30 Dec

ORD13:10Chicago O'Hare Intl

18h 40m

1 stop

DEL19:20New Delhi Indira Gandhi Intl

₹ 69,277

Find similar

Etihad Airways

16 Sept

DEL04:50New Delhi Indira Gandhi Intl

38h 25m

1 stop

ORD08:45Chicago O'Hare Intl

14 Feb

ORD13:10Chicago O'Hare Intl

26h 20m

1 stop

DEL03:00New Delhi Indira Gandhi Intl

₹ 69,366

Find similar

Etihad Airways

24 Oct

DEL21:15New Delhi Indira Gandhi Intl

22h 00m

1 stop

ORD08:45Chicago O'Hare Intl

27 Oct

ORD14:10Chicago O'Hare Intl

18h 40m

1 stop

DEL19:20New Delhi Indira Gandhi Intl

₹ 69,718

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from National Capital Territory of India to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 7/10

10:05-13:30

2 stops37h 55m

Chicago O'Hare Intl

Sun 29/3

21:15-23:35

1 stop39h 50m

₹ 69,101

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 7/10

10:05-13:30

2 stops37h 55m

Chicago O'Hare Intl

Wed 1/4

16:55-23:35

1 stop20h 10m

₹ 69,189

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 25/11

04:25-07:55

1 stop39h 00m

Chicago O'Hare Intl

Tue 30/12

13:10-19:20

1 stop18h 40m

₹ 69,277

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Sun 28/9

01:35-17:13

2 stops26h 08m

Chicago O'Hare Intl

Sun 22/2

21:45-08:45

1 stop23h 30m

₹ 69,366

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Fri 24/10

21:15-08:45

1 stop22h 00m

Chicago O'Hare Intl

Mon 27/10

14:10-19:20

1 stop18h 40m

₹ 69,718

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 25/9

23:35-10:48

1 stop21h 43m

Lambert-St Louis

Mon 29/9

12:25-21:30

2 stops22h 35m

₹ 106,649

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 25/9

23:35-18:57

2 stops29h 52m

Lambert-St Louis

Mon 29/9

12:25-21:30

2 stops22h 35m

₹ 107,001

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 6/10

03:25-00:03

2 stops31h 08m

Lambert-St Louis

Tue 14/10

06:33-15:30

2 stops46h 27m

₹ 112,289

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 20/11

13:35-13:55

1 stop35h 50m

Lambert-St Louis

Sun 28/12

15:50-07:55

2 stops28h 35m

₹ 127,097

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 19/11

03:35-23:44

2 stops31h 39m

Lambert-St Louis

Sun 28/12

15:50-01:30

1 stop22h 10m

₹ 130,005

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 National Capital Territory of India 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

Other information

What is the cheapest month to fly to Illinois?

In general, October is the cheapest month to fly from National Capital Territory of India to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 86,553. If you aren’t able to travel during the month of October, then book flights to Illinois from National Capital Territory of India during September instead. Flights to Illinois in September, while not as cheap as those in October, still average around ₹ 87,082.

What is the cheapest day to depart on your flight to Illinois?

On average, the least expensive day to fly to Illinois from National Capital Territory of India is on a Saturday. momondo users have found tickets for Saturday departures for as low as ₹ 106,217. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from National Capital Territory of India to Illinois on a Monday will generally be more expensive and average around ₹ 114,689. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

According to our data, the cheapest time of day to fly to Illinois is in the morning. momondo users have found flights departing from National Capital Territory of India to Illinois in the morning for as low as ₹ 94,114. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Illinois is in the evening when prices are around ₹ 109,999.

What is the cheapest National Capital Territory of India to Illinois flight route?

Fly from New Delhi Indira Gandhi Intl to Chicago O'Hare Intl for the best National Capital Territory of India - 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 National Capital Territory of India when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around ₹ 93,751 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 National Capital Territory of India for as low as ₹ 83,909 on momondo.

What cabin class options are available on National Capital Territory of India to Illinois flights?

There are 3 cabin classes available to choose from on National Capital Territory of India 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 National Capital Territory of India to Illinois flights?

You could potentially save up to 49% on your flight if you consider stops on a National Capital Territory of India to Illinois flight.

Cheap National Capital Territory of India to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from National Capital Territory of India to Illinois

Best price found	₹ 43,100
Fastest flight time	15h 15m
Direct flights	Mon, Wed, Fri and Sun
Airports in Illinois	1 airport

The best one-way flight to Illinois from National Capital Territory of India in the past 72 hours is ₹ 43,100. The best return flight deal from National Capital Territory of India to Illinois found on momondo in the last 72 hours is ₹ 85,700.

The fastest flight from National Capital Territory of India to Illinois takes 15h 15m

Direct flights go from National Capital Territory of India to Illinois on Monday, Wednesday, Friday and Sunday. Airline offering direct flights is Air India..

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

Search flight deals

When did momondo last update prices for flights from National Capital Territory of India to Illinois?
Prices for flights from National Capital Territory of India to Illinois refresh daily.
How many operators does momondo search for flights from National Capital Territory of India to Illinois?
As of September 2025, there are 15 operators available to choose from for flights from National Capital Territory of India to Illinois.
How old do you have to be to fly from National Capital Territory of India to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from National Capital Territory of India to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from National Capital Territory of India to Illinois?
momondo data reveals that the most frequently booked plane model on the route from National Capital Territory of India to Illinois is Boeing 777-300ER, representing 92.22% of all bookings. The subsequent popular model is Boeing 777-200LR at 7.78%.

Best airlines flying from National Capital Territory of India to Illinois

Compare and see reviews for airlines that fly from National Capital Territory of India to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom ₹ 49,123	Free Cancellation	Rating 7.3 3,968 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom ₹ 65,459	Free Cancellation	Rating 7.4 1,250 reviews	Search Etihad Airways flights
British Airways	PriceFrom ₹ 67,175	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
IndiGo	PriceFrom ₹ 67,710	Free Cancellation	Rating 6.9 484 reviews	Search IndiGo flights
Air France	PriceFrom ₹ 72,009	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
Qatar Airways	PriceFrom ₹ 74,203	Free Cancellation	Rating 7.4 3,626 reviews	Search Qatar Airways flights
Air Canada	PriceFrom ₹ 74,761	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
United Airlines	PriceFrom ₹ 75,923	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
LOT	PriceFrom ₹ 76,137	Free Cancellation	Rating 7.6 1,114 reviews	Search LOT flights
SWISS	PriceFrom ₹ 76,508	Free Cancellation	Rating 7.5 1,731 reviews	Search SWISS flights

Why use momondo?

Why should I use momondo to find a flight deal from National Capital Territory of India to Illinois?

Finding the right flight to Illinois from National Capital Territory of India 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 National Capital Territory of India to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from National Capital Territory of India with this policy.

How can momondo help me find flights from National Capital Territory of India to Illinois?

Once you have performed a search for National Capital Territory of India to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from National Capital Territory of India to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from National Capital Territory of India to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Find better results for your trip to Illinois

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National Capital Territory of India flight routes

Flights from New Delhi Indira Gandhi Intl to Gorakhpur

Flights from New Delhi Indira Gandhi Intl to Ahmedabad

Flights from New Delhi Indira Gandhi Intl to Gwalior

Flights from New Delhi Indira Gandhi Intl to Jaipur Sanganeer

Flights from New Delhi Indira Gandhi Intl to Chandigarh

Flights from New Delhi Indira Gandhi Intl to Varanasi

Cheap flights from National Capital Territory of India to Illinois from ₹ 40,368

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from National Capital Territory of India to Illinois

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

IndiGo flights from National Capital Territory of India to Illinois

Our best IndiGo deals on National Capital Territory of India to Illinois flight tickets

Etihad Airways flights from National Capital Territory of India to Illinois

Our best Etihad Airways deals on National Capital Territory of India to Illinois flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from National Capital Territory of India to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from National Capital Territory of India 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

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest National Capital Territory of India to Illinois flight route?

Fly from New Delhi Indira Gandhi Intl to Chicago O'Hare Intl for the best National Capital Territory of India - Illinois flight prices

How far in advance should I book a flight to Illinois?

What cabin class options are available on National Capital Territory of India to Illinois flights?

There are 3 cabin classes available to choose from on National Capital Territory of India 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 National Capital Territory of India to Illinois flights?

You could potentially save up to 49% on your flight if you consider stops on a National Capital Territory of India to Illinois flight.

What is the cheapest airline that flies from National Capital Territory of India to Illinois?

Etihad Airways, Air India, and IndiGo are the most popular carriers operating from National Capital Territory of India to Illinois

Which airlines fly to Illinois?

How many flights depart from National Capital Territory of India to Illinois on average per week?

3 flights are operational weekly from National Capital Territory of India to Illinois as of September 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

Cheap National Capital Territory of India to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from National Capital Territory of India to Illinois

Best price found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from National Capital Territory of India to Illinois?

How many operators does momondo search for flights from National Capital Territory of India to Illinois?

How old do you have to be to fly from National Capital Territory of India to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from National Capital Territory of India to Illinois?

Best airlines flying from National Capital Territory of India to Illinois

Compare and see reviews for airlines that fly from National Capital Territory of India to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from National Capital Territory of India to Illinois?

Can I find flights from National Capital Territory of India to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from National Capital Territory of India to Illinois?

I’m not ready to book a flight from National Capital Territory of India to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular Cities in Illinois

Popular flights according to clicks in the last 7 days on momondo