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528﷼+ Cheap flights from Illinois

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. 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 — DOH
jun 28 — jul 51
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 maio 29, 2026. In the last 7 days, Cheapflights users made a total of 206,823 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

seg 11/23

1:10 pm-8:55 pm

1 stop22h 45m

Doha Hamad Intl

seg 11/30

5:45 pm-7:55 am

1 stop23h 10m

3,165﷼

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

qui 11/5

4:25 pm-2:00 pm

2 stops36h 35m

Doha Hamad Intl

sex 12/4

3:00 pm-2:25 pm

3 stops32h 25m

3,573﷼

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

dom 9/27

8:10 pm-12:45 am

1 stop20h 35m

Doha Hamad Intl

ter 9/29

1:45 am-6:15 pm

1 stop24h 30m

3,610﷼

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

seg 11/23

4:25 pm-2:00 pm

2 stops36h 35m

Doha Hamad Intl

seg 11/30

3:00 pm-3:10 pm

2 stops57h 10m

3,635﷼

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

dom 10/18

9:10 pm-9:30 am

1 stop28h 20m

Doha Hamad Intl

ter 11/17

4:35 am-7:12 pm

2 stops23h 37m

3,971﷼

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

dom 6/28

5:10 pm-2:00 pm

2 stops36h 50m

Doha Hamad Intl

seg 7/13

3:00 pm-2:15 pm

3 stops31h 15m

4,220﷼
Fastest return journey

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

dom 11/1

4:40 pm-8:55 pm

2 stops19h 15m

Doha Hamad Intl

sex 11/20

10:55 pm-7:55 am

1 stop18h 00m

4,448﷼

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

qui 7/9

6:00 am-2:00 pm

2 stops24h 00m

Doha Hamad Intl

sex 7/31

3:00 pm-9:52 pm

2 stops38h 52m

4,451﷼

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

dom 8/23

4:20 pm-2:00 pm

2 stops37h 40m

Doha Hamad Intl

ter 9/22

3:00 pm-2:30 pm

3 stops31h 30m

4,506﷼

ChicagoDoha

ORD - DOH

ORDDOH

Chicago O'Hare Intl

dom 7/12

4:20 pm-2:00 pm

2 stops37h 40m

Doha Hamad Intl

dom 7/19

3:00 pm-2:30 pm

3 stops31h 30m

4,506﷼

Flights are sorted by cheapest return flights first.

Deals found on 5/24

Showing 1-10 of 22 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 372﷼). Flying from Illinois in August will prove the most costly (average of 3,299﷼). 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 1,308﷼. Explore other affordable destinations below.

Toronto
Toronto
From 1,308﷼
Amman Queen Alia Intl
Amman Queen Alia Intl
From 3,488﷼
Addis Ababa Bole
Addis Ababa Bole
From 4,542﷼

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

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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.

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 maio 29, 2026.

  • What is the cheapest month to fly from Illinois?

    February is currently the cheapest month to fly from Illinois. At this moment in time August is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • 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?

    Need flexible booking options for your flight from 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 from Illinois become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

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?

Need flexible booking options for your flight from 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 from Illinois become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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