RM 1,780+ Cheap flights to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Illinois

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Cheapest flights to Illinois
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 24 October 2025.

Wed 12/1102:30KUL - ORD
2 stops58h 30mMultiple Airlines
Wed 21/114:35ORD - KUL
1 stop32h 00mMultiple Airlines
Deal found 22/10RM 3,884
Thu 13/1108:00KUL - ORD
2 stops37h 28mMultiple Airlines
Tue 20/114:35ORD - KUL
1 stop40h 00mMultiple Airlines
Deal found 24/10RM 3,893
Thu 13/1110:05KUL - ORD
1 stop46h 20mTurkish Airlines
Tue 20/111:50ORD - KUL
1 stop39h 30mTurkish Airlines
Deal found 22/10RM 3,906
Thu 13/1110:05KUL - ORD
1 stop46h 20mTurkish Airlines
Wed 21/111:50ORD - KUL
1 stop39h 30mTurkish Airlines
Deal found 22/10RM 3,918
Thu 13/1110:05KUL - ORD
1 stop46h 20mTurkish Airlines
Mon 17/1120:20ORD - KUL
1 stop22h 05mTurkish Airlines
Deal found 23/10RM 4,252
Sat 22/1116:10KUL - ORD
3 stops33h 50mMultiple Airlines
Sun 30/1113:10ORD - KUL
2 stops28h 30mMultiple Airlines
Deal found 23/10RM 4,328
Thu 13/1110:15KUL - ORD
1 stop42h 15mQatar Airways
Mon 17/1116:06ORD - KUL
2 stops31h 49mQatar Airways
Deal found 23/10RM 4,464
Wed 12/1104:25KUL - ORD
1 stop43h 40mTurkish Airlines
Fri 16/120:20ORD - KUL
1 stop31h 00mTurkish Airlines
Deal found 22/10RM 4,476
Thu 13/1123:55KUL - MDW
2 stops46h 57mDelta
Mon 17/1112:47MDW - KUL
2 stops43h 38mDelta
Deal found 21/10RM 4,544
Sat 6/1223:55KUL - MDW
2 stops26h 00mDelta
Sat 13/1213:50MDW - KUL
2 stops42h 35mDelta
Deal found 21/10RM 10,390
Sun 7/1223:55KUL - MDW
2 stops37h 52mDelta
Sun 14/1217:13MDW - KUL
2 stops39h 12mDelta
Deal found 22/10RM 11,696

Flights to Illinois in 2025

Find the latest flights to Illinois in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 407,431 searches and data was last updated on 24 October 2025.

Return from

RM 3,884

One-way from

RM 1,780

Popular in

August

Cheapest in

February

Average price

RM 4,345
Cathay Pacific
  • Cathay Pacific
  • 12/11-21/1
  • 3 total stops
  • 90h 30m total
  • Kuala Lumpur to Chicago
4/12
  • 4/12
  • 3 total stops
  • 43h 53m total
  • Kuala Lumpur to Illinois
Highest demand for flights based on searches. 4% potential increase in price (RM 208 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (RM 58 potential savings vs. average return price).
Average for return flights in October 2025

Cheapflights Fare Finder

 
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 407,431 searches and data was last updated on 24 October 2025.
Use the filters below to find and compare flights to Illinois that are best for you.

Fly from

Kuala Lumpur

Route

Departure

Return

Price

Kuala LumpurChicago

KUL - ORD

KULORD

Kuala Lumpur Intl

Thu 13/11

14:40-23:00

2 stops46h 20m

Chicago O'Hare Intl

Wed 21/1

14:35-12:35

1 stop32h 00m

RM 3,884

Kuala LumpurChicago

KUL - ORD

KULORD

Kuala Lumpur Intl

Thu 13/11

08:00-07:28

2 stops37h 28m

Chicago O'Hare Intl

Tue 20/1

14:35-20:35

1 stop40h 00m

RM 3,893

Kuala LumpurChicago

KUL - ORD

KULORD

Kuala Lumpur Intl

Thu 13/11

10:05-18:25

1 stop46h 20m

Chicago O'Hare Intl

Tue 20/1

11:50-17:20

1 stop39h 30m

RM 3,906

Kuala LumpurChicago

KUL - ORD

KULORD

Kuala Lumpur Intl

Wed 11/2

10:05-10:05

1 stop38h 00m

Chicago O'Hare Intl

Fri 20/2

20:20-17:20

1 stop31h 00m

RM 3,923

Kuala LumpurChicago

KUL - ORD

KULORD

Kuala Lumpur Intl

Thu 13/11

10:05-18:25

1 stop46h 20m

Chicago O'Hare Intl

Mon 19/1

11:50-17:20

1 stop39h 30m

RM 3,923

Kuala LumpurChicago

KUL - ORD

KULORD

Kuala Lumpur Intl

Thu 26/3

10:05-11:05

1 stop38h 00m

Chicago O'Hare Intl

Thu 2/4

19:50-17:15

1 stop32h 25m

RM 4,062

Kuala LumpurChicago

KUL - ORD

KULORD

Kuala Lumpur Intl

Thu 13/11

10:05-18:25

1 stop46h 20m

Chicago O'Hare Intl

Mon 17/11

20:20-08:25

1 stop22h 05m

RM 4,252

Kuala LumpurChicago

KUL - ORD

KULORD

Kuala Lumpur Intl

Thu 13/11

10:15-14:30

1 stop42h 15m

Chicago O'Hare Intl

Mon 17/11

16:06-13:55

2 stops31h 49m

RM 4,464

Kuala LumpurChicago

KUL - MDW

KULMDW

Kuala Lumpur Intl

Thu 13/11

23:55-08:52

2 stops46h 57m

Chicago Midway

Mon 17/11

12:47-22:25

2 stops43h 38m

RM 4,544

Kuala LumpurChicago

KUL - MDW

KULMDW

Kuala Lumpur Intl

Wed 11/2

23:55-12:01

2 stops26h 06m

Chicago Midway

Fri 20/2

14:00-22:25

2 stops42h 25m

RM 5,609

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 13 results
1
2

Best time to book a flight to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Illinois

How long is the flight to Illinois?

On average, a flight from Kuala Lumpur to Illinois takes 27 hours 20 minutes. Flights to Illinois from other popular cities in Malaysia will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from Kuala Lumpur to Illinois are United Airlines, Cathay Pacific and Turkish Airlines.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

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

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).

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 24 October 2025.
Read reviews from past customers who have flown EVA Air, ANA, andUnited Airlines to the United States. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
8.4
Very Good

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

FAQs about flying to Illinois

Illinois climate

Illinois’s winters are very cold and long with snow and icy winds from late November through to April. Summers, especially July and August, the weather tends to be hot and humid. The best times to visit is when the weather is perfect, in spring and autumn; tornado season can occur anytime between the months of March and May. Chicago’s summers are humid with highs of 30 degrees (Celsius) or more and its winters are bitterly cold.

Getting around Illinois

Public transportation is reliable and taxis are easy to find. Driving is not recommended because of heavy traffic and parking is almost impossible to find. The El, a system operated by The Chicago Transit Authority consists of elevated trains running 24 hours a day. During the summer rush hour a River Bus is available.

What is good to know if travelling to Illinois?

  • Chicago has a wealth of things to see and do. The best view of the city can be found at 1,450 feet from the top of North America’s tallest building – the Sears Tower. Head to the 103rd floor to the Skydeck where you can see the entire city laid out.  The Hancock Building is also well worth a visit and offers stunning city views from its observation deck or cocktail bar.
  • Don’t miss a trip to the Anderson Japanese Gardens in Rockford. Set on twelve acres the gardens are adorned with Japanese maples, magnolias, and rhododendrons and have several ponds and waterfalls with Japanese bronze structures surrounding them. There’s also an authentic tea house and contemporary “Garden of Reflection”.  
  • Visit the preserved Frank Lloyd Wright Museum on Chicago Avenue in Oak Park where the famed architect spent 20 years of his career and designed 130 of his masterpieces.  Wright lived here until 1909.
  • One of the most visited attractions in Chicago is the Art Institute of Chicago. Art lovers – well any visitor – shouldn’t miss a trip to the museum, it’s remarkable. The gargantuan building houses more than 250,000 works of art from all over the world including ancient Egyptian, Japanese, Korean, Greek and Roman relics. One of its highlights is the anthology of Impressionist art which has an impressive collection by Monet, Pablo Picasso and Henri Matisse to name a few.
  • Anyone interested in the lives of the Amish people should head to central Illinois where a welcoming group of Amish villages are set up. Take a tour of the community in the Illinois Amish Interpretative Centre in Arcola, visit a working farm and watch how supper is prepared and enjoyed in a family home.
  • When is the best time to fly to Illinois?

    Peak Season: Winter is peak season in Illinois for skiing and snowmobiling. In summer many different festivals take place in Chicago’s parks and neighbourhoods almost every weekend, making it difficult to find a cheap Illinois flight. Off Season: The best month to book a cheap Illinois flight is September, which is also the mildest month. Autumn is visually the prettiest time to visit when the temperature is still mild and the foliage is changing. The quietest months in Chicago are from January to March but they can also be the coldest and windiest.

  • Can I find cheaper flights to Illinois if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Illinois on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Illinois?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Illinois.

  • What is the cheapest airport to fly to in Illinois?

    Chicago O'Hare Intl is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago O'Hare Intl typically cost RM 209, while return flights cost around RM 1,221.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around RM 1,221, however they can be found for as little as RM 1,221.

  • Where does the fastest flight to Illinois depart from?

    For those looking to save time traveling to Illinois, Kuala Lumpur offers the quickest one-way flight (19 hours 45 minutes).

  • Does Chicago O'Hare Intl have rental cars?

    Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Chicago O'Hare Intl?

    Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 km away from Chicago O'Hare Intl).

See more FAQs

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