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RM 345+ Cheap flights from 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 4/8. 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.
ORD — KUL
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Find flights from Illinois within your budget

 
Find flights departing from Illinois that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 10 June 2026. In the last 7 days, Cheapflights users made a total of 407,431 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 15/7

09:40-18:25

1 stop7h 45m

Buffalo

Mon 27/7

15:32-21:58

1 stop7h 26m

RM 719

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 23/7

17:27-00:13

1 stop5h 46m

Buffalo

Fri 24/7

15:32-21:58

1 stop7h 26m

RM 751

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 1/10

13:00-19:01

1 stop5h 01m

Buffalo

Sat 3/10

15:30-22:06

1 stop7h 36m

RM 816

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Fri 7/8

10:56-19:24

1 stop7h 28m

Buffalo

Mon 10/8

15:32-21:55

1 stop7h 23m

RM 820

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 1/7

10:56-19:20

1 stop7h 24m

Buffalo

Sat 4/7

15:55-21:30

1 stop6h 35m

RM 905
Fastest return journey

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Mon 6/7

17:27-00:13

1 stop5h 46m

Buffalo

Tue 7/7

15:55-21:03

1 stop6h 08m

RM 1,007

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 3/9

09:39-18:54

1 stop8h 15m

Buffalo

Mon 7/9

15:32-21:55

1 stop7h 23m

RM 1,039

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 25/6

17:22-00:13

1 stop5h 51m

Buffalo

Mon 29/6

13:31-19:25

1 stop6h 54m

RM 1,226

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Fri 3/7

17:22-00:13

1 stop5h 51m

Buffalo

Sun 5/7

06:32-08:50

1 stop27h 18m

RM 1,226

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 6/8

09:39-18:54

1 stop8h 15m

Buffalo

Sun 9/8

15:52-21:55

1 stop7h 03m

RM 1,250

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Illinois

Get recent, data-driven insights about flights from Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois?

Currently, August is the cheapest month in which you can book a flight from Illinois (average of RM 1,599). Flying from Illinois in June will prove the most costly (average of RM 3,158). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Toronto, with prices starting at RM 429. Explore other affordable destinations below.

Toronto
Toronto
From RM 429
Washington, D.C.
Washington, D.C.
From RM 1,529
Hong Kong Intl
Hong Kong Intl
From RM 1,818

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

The best time to book flights from Illinois is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Browse thousands of different options on Cheapflights for your next trip

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Related info for your journey

Access useful and relevant information related to your journey from Illinois. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 10 June 2026.

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is August. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Illinois?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

    Millions of users choose and trust Cheapflights to book the best flight deals from Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from Illinois with no change fees?

    Certainly. Search results for flights from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Of course! You can now track prices for flights from Illinois and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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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 from Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Illinois with no change fees?

Certainly. Search results for flights from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Illinois and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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