Find flights
Deals
When to book
Airlines

Cheap flights to Illinois from ₹ 5,057

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — ORD
24 Mar — 31 Mar1
1 adult
Sun 24/3
Sun 31/3

Find deals on flights to Illinois by searching across hundreds of travel sites at once.

 
Cheapflights users frequently choose these airlines when searching for flights to Illinois, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights to Illinois, based on our search results.
Here’s why our users search for flights through Cheapflights

Save over 16%Compare Cheapflights against other travel sites with one search.

Price trackingHolding out for a great deal? Get notified when prices are reduced.

Customise ResultsFilter for flights based on cabin class, airline, free Wi-Fi, and more.

Unlimited free useSearch as many times as you want with no hidden charges or fees.

Flights to Illinois in 2024

Find the latest flights to Illinois in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 443,904 searches and data was last updated on 19 March 2024.

Popular in

August

Cheapest in

October

Average price

₹ 121,956

Return from

₹ 76,938

One-way from

₹ 46,262
High demand for flights, 6% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for return flights in March 2024
From New Delhi Indira Gandhi Intl to Chicago
One-way flight from New Delhi Indira Gandhi Intl (DEL) to Illinois

Find flights to Illinois

Browse one-way and return flights deals to Illinois on Cheapflights. Flight deals are based on user searches and were last updated on 19 March 2024
Explore Illinois

Cheap flights to Illinois in March & April 2024

Search the best deals to popular Illinois cities recently found by Cheapflights users
The lowest-priced flights departing to Illinois in March and April 2024 can be found below. If these deals fall outside of your budget, be sure to come back soon as prices update often.
Cheap flights to Chicago, Illinois
Sat 13/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Tue 16/417:09ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 6,550
Tue 16/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Tue 16/421:25ORD - LGA
1 stop10h 36mSpirit Airlines
Deal found 18/3₹ 6,798
Sat 13/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Sat 20/411:11ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 8,125
Tue 16/408:45PHL - ORD
1 stop9h 06mMultiple Airlines
Tue 16/422:00ORD - PHL
1 stop9h 03mMultiple Airlines
Deal found 18/3₹ 8,291
Sat 13/420:03LGA - ORD
Nonstop2h 40mSpirit Airlines
Wed 17/421:25ORD - LGA
1 stop10h 36mSpirit Airlines
Deal found 18/3₹ 8,374
Tue 16/412:56PHL - ORD
1 stop12h 56mFrontier
Sat 20/406:00ORD - PHL
1 stop9h 59mFrontier
Deal found 18/3₹ 8,871
Fri 12/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Tue 16/417:09ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 9,120
Sat 13/412:36PHL - ORD
1 stop13h 16mFrontier
Tue 16/417:51ORD - PHL
1 stop12h 59mFrontier
Deal found 18/3₹ 9,286
Wed 24/406:00PHL - ORD
Nonstop2h 25mAmerican Airlines
Wed 24/409:55ORD - PHL
Nonstop1h 58mAmerican Airlines
Deal found 18/3₹ 9,369

Illinois 2024 flight deals

Explore flight deals for Illinois in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 443,904 searches and data were last updated on 19 March 2024.
Check out some of the best flight deals to Illinois in 2024. Check back regularly for other flight deals.
Tue 16/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Wed 17/411:11ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 5,057
Sat 13/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Tue 16/417:09ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 6,550
Tue 16/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Tue 16/421:25ORD - LGA
1 stop10h 36mSpirit Airlines
Deal found 18/3₹ 6,798
Mon 13/508:35LGA - ORD
Nonstop2h 39mSpirit Airlines
Mon 13/511:14ORD - LGA
Nonstop2h 11mSpirit Airlines
Deal found 18/3₹ 7,379
Sat 13/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Sat 20/411:11ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 8,125
Tue 16/408:45PHL - ORD
1 stop9h 06mMultiple Airlines
Tue 16/422:00ORD - PHL
1 stop9h 03mMultiple Airlines
Deal found 18/3₹ 8,291
Sat 13/420:03LGA - ORD
Nonstop2h 40mSpirit Airlines
Wed 17/421:25ORD - LGA
1 stop10h 36mSpirit Airlines
Deal found 18/3₹ 8,374
Tue 16/412:56PHL - ORD
1 stop12h 56mFrontier
Sat 20/406:00ORD - PHL
1 stop9h 59mFrontier
Deal found 18/3₹ 8,871
Fri 12/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Tue 16/417:09ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 9,120

Flights to Illinois departing soon

Discover available last-minute flight options to Illinois, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 443,904 searches and data was last updated on 19 March 2024.
Browse some of the flights available to Illinois departing last-minute. Make sure the flight you book matches the day, time, and destination you're looking for.
Tue 26/322:18PHL - ORD
1 stop10h 19mFrontier
Wed 27/322:10ORD - PHL
1 stop8h 26mFrontier
Deal found 18/3₹ 14,260

One-way flights to Illinois

Explore one-way flight options to Illinois for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 443,904 searches and data was last updated on 19 March 2024.
Take a look at some of the best available flights travelling to Illinois at this time. Users seeking round-trip flights to Illinois should update the search form at the top of the page accordingly.
Tue 18/617:30LGA - ORD
Nonstop2h 45mDelta
Deal found 17/3₹ 5,306

Direct flights to Illinois

Tue 16/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Wed 17/411:11ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 5,057
Sat 13/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Tue 16/417:09ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 6,550
Mon 13/508:35LGA - ORD
Nonstop2h 39mSpirit Airlines
Mon 13/511:14ORD - LGA
Nonstop2h 11mSpirit Airlines
Deal found 18/3₹ 7,379
Sat 13/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Sat 20/411:11ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 8,125
Fri 12/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Tue 16/417:09ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 9,120
Wed 24/406:00PHL - ORD
Nonstop2h 25mAmerican Airlines
Wed 24/409:55ORD - PHL
Nonstop1h 58mAmerican Airlines
Deal found 18/3₹ 9,369
Sat 20/420:55PHL - ORD
Nonstop2h 29mAmerican Airlines
Wed 24/409:55ORD - PHL
Nonstop1h 58mAmerican Airlines
Deal found 18/3₹ 9,866
Wed 17/411:55BWI - ORD
Nonstop2h 10mSouthwest
Wed 24/410:35ORD - BWI
Nonstop1h 50mSouthwest
Deal found 18/3₹ 9,949
Fri 12/408:37LGA - ORD
Nonstop2h 37mSpirit Airlines
Mon 15/417:09ORD - LGA
Nonstop2h 15mSpirit Airlines
Deal found 18/3₹ 10,446

Find flights to Illinois within your budget

Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 443,904 searches and data was last updated on 19 March 2024.

Fly from

Any airport

Budget

₹ 5,057 - ₹ 11,027

Route

Depart

Return

Price

New York LaGuardiaChicago O'Hare Intl

LGA - ORD

LGAORD

New York LaGuardia

Tue 16/4

Nonstop2h 37m

Chicago O'Hare Intl

Wed 17/4

Nonstop2h 15m

₹ 5,057

New York LaGuardiaChicago O'Hare Intl

LGA - ORD

LGAORD

New York LaGuardia

Sat 13/4

Nonstop2h 37m

Chicago O'Hare Intl

Tue 16/4

Nonstop2h 15m

₹ 6,550

New York LaGuardiaChicago O'Hare Intl

LGA - ORD

LGAORD

New York LaGuardia

Tue 16/4

Nonstop2h 37m

Chicago O'Hare Intl

Tue 16/4

1 stop10h 36m

₹ 6,798

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Tue 16/4

1 stop9h 06m

Chicago O'Hare Intl

Tue 16/4

1 stop9h 03m

₹ 8,291

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Tue 16/4

1 stop12h 56m

Chicago O'Hare Intl

Sat 20/4

1 stop9h 59m

₹ 8,871

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Wed 24/4

Nonstop2h 25m

Chicago O'Hare Intl

Wed 24/4

Nonstop1h 58m

₹ 9,369

Baltimore/WashingtonChicago O'Hare Intl

BWI - ORD

BWIORD

Baltimore/Washington

Wed 17/4

Nonstop2h 10m

Chicago O'Hare Intl

Wed 24/4

Nonstop1h 50m

₹ 9,949

New York LaGuardiaChicago O'Hare Intl

LGA - ORD

LGAORD

New York LaGuardia

Tue 11/6

Nonstop2h 45m

Chicago O'Hare Intl

Tue 25/6

Nonstop2h 16m

₹ 10,529

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Sat 4/5

Nonstop2h 53m

Chicago O'Hare Intl

Wed 8/5

Nonstop2h 26m

₹ 11,027

Flights are sorted by cheapest first

Deals found on 18/3

Average price of flights to Illinois by month

Plan your trip to Illinois by taking into account the cheapest months to travel. The average price of a one-way flight to Illinois is currently ₹ 5,306 while a return flight costs ₹ 8,493. Price data was last updated on 17 March 2024.

Currently, February is the cheapest month in which you can book a flight to Illinois (average of ₹ 1,160). Flying to Illinois in August will prove the most costly (average of ₹ 1,596). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

January

₹ 97,001

February

₹ 96,172

March

₹ 100,898

April

₹ 102,971

May

₹ 112,588

June

₹ 116,319

July

₹ 123,863

August

₹ 132,320

September

₹ 99,986

October

₹ 97,416

November

₹ 98,742

December

₹ 103,385

Temperature and rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

-5 - 23 °C

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

When is the best time to book a flight to Illinois?

Use this chart to determine the optimal time to book a return flight to Illinois. Price data was last updated on 28 January 2024.
The price you pay for your flight to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 19 March 2024.
Get a feel of what it's like to fly with LOT, Finnair and American Airlines to Illinois by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very Good
1,477 reviews

Food

7.9

Comfort

8.2

Overall

8.4

Crew

8.7

Boarding

8.4

Entertainment

7.9

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

8.4
Very Good
1,477 reviews
8.4
Very Good
1,477 reviews

Food

7.9

Comfort

8.2

Overall

8.4

Crew

8.7

Boarding

8.4

Entertainment

7.9

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

8.3
Very Good
1,520 reviews
8.4
Very Good
1,477 reviews

Food

7.9

Comfort

8.2

Overall

8.4

Crew

8.7

Boarding

8.4

Entertainment

7.9

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

8.1
Very Good
4,215 reviews
8.4
Very Good
1,477 reviews

Food

7.9

Comfort

8.2

Overall

8.4

Crew

8.7

Boarding

8.4

Entertainment

7.9

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

8.1
Very Good
11,551 reviews
8.4
Very Good
1,477 reviews

Food

7.9

Comfort

8.2

Overall

8.4

Crew

8.7

Boarding

8.4

Entertainment

7.9

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

7.8
Good
1,262 reviews
8.4
Very Good
1,477 reviews

Food

7.9

Comfort

8.2

Overall

8.4

Crew

8.7

Boarding

8.4

Entertainment

7.9

Reviews

1 / 10

Flight was on time, seating was comfortable, food was delicious, and crew was wonderful. Smooth flight overall!

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Illinois by cabin class

Find flights to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Illinois?

When you search for this flight to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to Illinois?

Cheapflights helps you find that perfect flight to Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Illinois with no change fees?

Need flexible booking options for your flight to Illinois ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights to Illinois become cheaper?

Not ready to book yet? You can track prices for flights to Illinois on Cheapflights with our Price Alerts feature and get notified when better prices are available.