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RM 486+ 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 7/9. 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
16 Sep — 23 Sep1
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 17 August 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 Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 28/9

18:00-20:47

Nonstop1h 47m

Buffalo

Wed 30/9

07:00-08:00

Nonstop2h 00m

RM 886

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Sat 5/9

14:07-16:56

Nonstop1h 49m

Buffalo

Mon 7/9

06:55-07:55

Nonstop2h 00m

RM 886

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Tue 8/9

06:49-09:28

Nonstop1h 39m

Buffalo

Thu 10/9

13:51-14:55

Nonstop2h 04m

RM 886
Fastest return journey

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 30/9

06:50-09:29

Nonstop1h 39m

Buffalo

Sat 3/10

17:45-18:47

Nonstop2h 02m

RM 886

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 3/9

18:15-21:07

Nonstop1h 52m

Buffalo

Tue 8/9

10:30-11:29

Nonstop1h 59m

RM 927

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 9/9

18:15-21:07

Nonstop1h 52m

Buffalo

Wed 16/9

07:00-08:00

Nonstop2h 00m

RM 927

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 12/10

18:00-20:47

Nonstop1h 47m

Buffalo

Fri 16/10

07:00-08:00

Nonstop2h 00m

RM 964

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Fri 18/9

14:07-16:54

Nonstop1h 47m

Buffalo

Mon 21/9

17:58-19:00

Nonstop2h 02m

RM 964

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Sat 5/9

17:18-23:09

1 stop4h 51m

Buffalo

Mon 7/9

08:57-13:08

1 stop5h 11m

RM 968

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Tue 8/9

07:05-11:22

1 stop3h 17m

Buffalo

Fri 11/9

12:02-16:13

1 stop5h 11m

RM 1,045

Flights are sorted by cheapest return flights first.

Deals found on 15/8

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, February is the cheapest month in which you can book a flight from Illinois (average of RM 3,626). Flying from Illinois in June will prove the most costly (average of RM 6,043). 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 431. Explore other affordable destinations below.

Toronto
Toronto
From RM 431
Denver Intl
Denver Intl
From RM 551
San Juan Luis Munoz Marin Intl
San Juan Luis Munoz Marin Intl
From RM 1,282
Washington, D.C.
Washington, D.C.
From RM 1,538

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

The best time to book flights from Illinois is 48 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 17 August 2026.

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is February. 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.

  • Where are the cheapest places to fly to from Illinois?

    Here are some of the cheapest flight destinations from Illinois:
    Travel from Chicago to Kuala Lumpur from RM 3,553 round trip

  • 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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