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 54% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 14 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 National Capital Territory of India to Illinois?

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

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

As of December 2025, there are 14 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.

₹ 34,295 Cheap Flights from National Capital Territory of India to Illinois in 2025/26

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

4 flights are operational weekly from National Capital Territory of India to Illinois as of December 2025. The most popular departure day for this route is Mon, with 25% 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

Enter your travel dates to find the best prices.

02:15 - 11:30

DEL

ORD

20h 45mdirect

13:30 - 16:50

ORD

DEL

15h 50mdirect

₹ 65,612Air India

Thu, 29 Jan - Mon, 23 Feb

02:15 - 11:30

DEL

ORD

20h 45m1 stop

14:10 - 03:00

ORD

DEL

26h 20m1 stop

₹ 66,244Multiple Airlines

Tue, 3 Mar - Wed, 11 Mar

08:55 - 08:35

DEL

ORD

34h 10m1 stop

14:10 - 19:20

ORD

DEL

18h 40m1 stop

₹ 66,786Etihad Airways

Tue, 17 Mar - Thu, 26 Mar

07:40 - 17:50

DEL

ORD

20h 40m1 stop

21:30 - 05:20

ORD

DEL

21h 20m1 stop

₹ 66,876Finnair

Wed, 8 Apr - Tue, 6 Oct

04:50 - 08:45

DEL

ORD

38h 25m1 stop

14:00 - 07:55

ORD

DEL

31h 25m1 stop

₹ 68,049Etihad Airways

Thu, 4 Jun - Thu, 27 Aug

03:55 - 18:05

DEL

MDW

24h 40m2 stops

17:25 - 01:55

MDW

DEL

22h 00m2 stops

₹ 87,182KLM

Sat, 23 May - Mon, 10 Aug

07:50 - 19:42

DEL

STL

46h 22m2 stops

11:22 - 06:05

STL

DEL

32h 13m2 stops

₹ 97,380Finnair

Fri, 20 Mar - Mon, 23 Mar

03:55 - 18:05

DEL

MDW

24h 40m2 stops

17:25 - 01:55

MDW

DEL

22h 00m2 stops

₹ 100,991KLM

Sat, 23 May - Sun, 9 Aug

23:55 - 18:01

DEL

DEC

29h 36m2 stops

09:49 - 21:50

DEC

DEL

24h 31m2 stops

₹ 130,322United Airlines

Fri, 30 Jan - Fri, 6 Feb

00:05 - 08:51

DEL

DEC

43h 16m2 stops

18:55 - 21:30

DEC

DEL

40h 05m2 stops

₹ 134,113United Airlines

Tue, 31 Mar - Sun, 5 Apr

British Airways flights from National Capital Territory of India to Illinois

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

British Airways

23 Mar

DEL03:20New Delhi Indira Gandhi Intl

26h 55m

1 stop

ORD19:45Chicago O'Hare Intl

19 May

ORD16:40Chicago O'Hare Intl

28h 50m

2 stops

DEL08:00New Delhi Indira Gandhi Intl

₹ 71,479

Find similar

British Airways

29 Jan

DEL03:20New Delhi Indira Gandhi Intl

25h 52m

2 stops

ORD17:42Chicago O'Hare Intl

23 Feb

ORD16:05Chicago O'Hare Intl

21h 40m

2 stops

DEL01:15New Delhi Indira Gandhi Intl

₹ 72,020

Find similar

British Airways

29 Jan

DEL03:20New Delhi Indira Gandhi Intl

28h 25m

2 stops

ORD20:15Chicago O'Hare Intl

23 Feb

ORD16:30Chicago O'Hare Intl

21h 15m

2 stops

DEL01:15New Delhi Indira Gandhi Intl

₹ 72,832

Find similar

Finnair flights from National Capital Territory of India to Illinois

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

Finnair

8 Apr

DEL07:40New Delhi Indira Gandhi Intl

20h 40m

1 stop

ORD17:50Chicago O'Hare Intl

6 Oct

ORD21:30Chicago O'Hare Intl

21h 20m

1 stop

DEL05:20New Delhi Indira Gandhi Intl

₹ 66,876

Find similar

Finnair

6 May

DEL07:40New Delhi Indira Gandhi Intl

20h 40m

1 stop

ORD17:50Chicago O'Hare Intl

19 Aug

ORD21:30Chicago O'Hare Intl

21h 20m

1 stop

DEL05:20New Delhi Indira Gandhi Intl

₹ 68,410

Find similar

Finnair

1 Apr

DEL07:40New Delhi Indira Gandhi Intl

20h 40m

1 stop

ORD17:50Chicago O'Hare Intl

30 Apr

ORD21:30Chicago O'Hare Intl

21h 20m

1 stop

DEL05:20New Delhi Indira Gandhi Intl

₹ 68,500

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

Thu 29/1

02:15-11:30

Nonstop20h 45m

Chicago O'Hare Intl

Mon 23/2

13:30-16:50

Nonstop15h 50m

₹ 65,612

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 3/3

02:15-11:30

1 stop20h 45m

Chicago O'Hare Intl

Wed 11/3

14:10-03:00

1 stop26h 20m

₹ 66,244

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Tue 17/3

08:55-08:35

1 stop34h 10m

Chicago O'Hare Intl

Thu 26/3

14:10-19:20

1 stop18h 40m

₹ 66,786

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Wed 8/4

07:40-17:50

1 stop20h 40m

Chicago O'Hare Intl

Tue 6/10

21:30-05:20

1 stop21h 20m

₹ 66,876

New DelhiChicago

DEL - ORD

DELORD

New Delhi Indira Gandhi Intl

Thu 4/6

04:50-08:45

1 stop38h 25m

Chicago O'Hare Intl

Thu 27/8

14:00-07:55

1 stop31h 25m

₹ 68,049

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Sat 23/5

03:55-18:05

2 stops24h 40m

Chicago Midway

Mon 10/8

17:25-01:55

2 stops22h 00m

₹ 87,182

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 20/3

07:50-19:42

2 stops46h 22m

Lambert-St Louis

Mon 23/3

11:22-06:05

2 stops32h 13m

₹ 97,380

New DelhiChicago

DEL - MDW

DELMDW

New Delhi Indira Gandhi Intl

Sat 23/5

03:55-18:05

2 stops24h 40m

Chicago Midway

Sun 9/8

17:25-01:55

2 stops22h 00m

₹ 100,991

New DelhiDecatur

DEL - DEC

DELDEC

New Delhi Indira Gandhi Intl

Fri 30/1

23:55-18:01

2 stops29h 36m

Decatur Arpt

Fri 6/2

09:49-21:50

2 stops24h 31m

₹ 130,322

New DelhiDecatur

DEL - DEC

DELDEC

New Delhi Indira Gandhi Intl

Tue 31/3

00:05-08:51

2 stops43h 16m

Decatur Arpt

Sun 5/4

18:55-21:30

2 stops40h 05m

₹ 134,112

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 ₹ 75,359. 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 ₹ 84,655.

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 ₹ 106,986. 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 ₹ 116,818. 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 ₹ 96,369. 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 ₹ 111,821.

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 ₹ 94,192 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 ₹ 86,911 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?

No. A direct flight is the cheapest option for a flight between National Capital Territory of India to Illinois.

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	₹ 34,115
Fastest flight time	20h 25m
Direct flights	Mon, Wed, Fri and Sun
Airports in Illinois	98 airports

The best one-way flight to Illinois from National Capital Territory of India in the past 72 hours is ₹ 34,115. The best return flight deal from National Capital Territory of India to Illinois found on momondo in the last 72 hours is ₹ 62,556.

The fastest flight from National Capital Territory of India to Illinois takes 20h 25m

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 are 98 airports in Illinois. From National Capital Territory of India there are direct flights to 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 December 2025, there are 14 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 65.00% of all bookings. The subsequent popular model is Boeing 777-200LR at 35.00%.

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 ₹ 50,299	Free Cancellation	Rating 7.3 4,105 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom ₹ 65,615	Free Cancellation	Rating 7.4 1,334 reviews	Search Etihad Airways flights
Air Canada	PriceFrom ₹ 67,557	Free Cancellation	Rating 7.1 10,544 reviews	Search Air Canada flights
IndiGo	PriceFrom ₹ 72,852	Free Cancellation	Rating 6.8 510 reviews	Search IndiGo flights
British Airways	PriceFrom ₹ 73,001	Free Cancellation	Rating 6.7 7,589 reviews	Search British Airways flights
Qatar Airways	PriceFrom ₹ 76,406	Free Cancellation	Rating 7.4 3,686 reviews	Search Qatar Airways flights
Finnair	PriceFrom ₹ 77,503	Free Cancellation	Rating 7.6 1,338 reviews	Search Finnair flights
United Airlines	PriceFrom ₹ 78,537	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
KLM	PriceFrom ₹ 79,986	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
SWISS	PriceFrom ₹ 80,875	Free Cancellation	Rating 7.5 1,817 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

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Find better results for your trip to Illinois

Popular Cities in Illinois

Flights to New Yorkfrom ₹ 58,934

Flights to San Franciscofrom ₹ 56,407

Flights to Chicagofrom ₹ 58,482

Flights to Los Angelesfrom ₹ 52,436

Flights to Dallasfrom ₹ 71,388

Flights to Washington, D.C.from ₹ 63,536

Flights to Seattlefrom ₹ 54,060

Flights to Bostonfrom ₹ 65,973

Flights to Houstonfrom ₹ 57,580

Flights to Atlantafrom ₹ 58,121

Flights to Miamifrom ₹ 49,818

Flights to Orlandofrom ₹ 75,901

National Capital Territory of India flight routes

Flights from New Delhi Indira Gandhi Intl to Leh

Flights from New Delhi Indira Gandhi Intl to Gwalior

Flights from New Delhi Indira Gandhi Intl to Srinagar

Flights from New Delhi Indira Gandhi Intl to Gaya

Flights from New Delhi Indira Gandhi Intl to Chandigarh

Flights from New Delhi Indira Gandhi Intl to Dehradun

Cheap flights from National Capital Territory of India to Illinois from ₹ 34,295

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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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

British Airways flights from National Capital Territory of India to Illinois

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

Finnair flights from National Capital Territory of India to Illinois

Our best Finnair 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

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?

No. A direct flight is the cheapest option for a flight between National Capital Territory of India to Illinois.

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

Etihad Airways, Air India, and United Airlines 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?

4 flights are operational weekly from National Capital Territory of India to Illinois as of December 2025. The most popular departure day for this route is Mon, with 25% 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