$153+ 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 24/1. 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 — AKL
10 Feb — 17 Feb1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Illinois

Discover essential information about flights departing from Illinois, including flight schedules, destinations, airlines operating at the Illinois airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 11 January 2026.

Good one-way deal

$91 or less
Price to beat on a one-way flight from Illinois.
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Enter your travel dates to find the best prices.

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 11 January 2026.

Thu 19/208:15MLI - PHL
1 stop5h 04mUnited Airlines
Sun 22/206:27PHL - MLI
1 stop6h 16mUnited Airlines
Deal found 9/1$469
Sat 24/115:45MLI - AVP
1 stop4h 15mUnited Airlines
Wed 28/117:17AVP - MLI
1 stop5h 19mUnited Airlines
Deal found 9/1$486
Fri 3/717:00MLI - PHL
1 stop6h 25mDelta
Wed 8/705:30PHL - MLI
1 stop5h 56mDelta
Deal found 11/1$530
Sat 24/115:00PIA - ABE
1 stop5h 05mUnited Airlines
Wed 28/106:15ABE - PIA
1 stop4h 55mUnited Airlines
Deal found 9/1$608
Sat 24/115:45MLI - PHL
1 stop4h 51mUnited Airlines
Tue 27/106:30PHL - MLI
1 stop4h 42mUnited Airlines
Deal found 10/1$608
Wed 28/110:45PIA - ABE
1 stop4h 37mUnited Airlines
Sat 31/106:15ABE - PIA
1 stop7h 23mUnited Airlines
Deal found 10/1$652
Mon 2/317:01MLI - PHL
1 stop4h 49mDelta
Tue 3/316:59PHL - MLI
1 stop6h 25mDelta
Deal found 9/1$652
Tue 27/115:45MLI - AVP
1 stop4h 15mUnited Airlines
Sat 31/117:17AVP - MLI
1 stop5h 19mUnited Airlines
Deal found 8/1$661
Fri 20/212:23MLI - PHL
2 stops20h 25mUnited Airlines
Sun 22/206:27PHL - MLI
1 stop4h 44mUnited Airlines
Deal found 11/1$781
Mon 2/215:45MLI - PHL
1 stop4h 51mUnited Airlines
Fri 6/217:00PHL - MLI
1 stop18h 12mUnited Airlines
Deal found 9/1$806
Fri 3/717:42MLI - PHL
1 stop22h 40mUnited Airlines
Wed 8/713:00PHL - MLI
1 stop5h 07mUnited Airlines
Deal found 10/1$835
Wed 11/215:00PIA - ABE
1 stop5h 05mUnited Airlines
Fri 13/217:23ABE - PIA
1 stop20h 20mUnited Airlines
Deal found 10/1$886

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 11 January 2026. In the last 7 days, Cheapflights users made a total of 134,765 searches

Fly to

Auckland

Route

Departure

Return

Price

MolinePhiladelphia

MLI - PHL

MLIPHL

Moline Quad-City

Fri 20/2

08:15-14:19

1 stop5h 04m

Philadelphia

Sun 22/2

06:27-10:11

1 stop4h 44m

$469

MolinePhiladelphia

MLI - PHL

MLIPHL

Moline Quad-City

Thu 19/2

08:15-14:19

1 stop5h 04m

Philadelphia

Sun 22/2

06:27-11:43

1 stop6h 16m

$469

MolinePhiladelphia

MLI - PHL

MLIPHL

Moline Quad-City

Wed 27/5

06:45-14:22

1 stop6h 37m

Philadelphia

Sat 30/5

06:10-10:14

1 stop5h 04m

$469

MolineScranton

MLI - AVP

MLIAVP

Moline Quad-City

Sat 24/1

15:45-21:00

1 stop4h 15m

Wilkes-Barre Scranton

Wed 28/1

17:17-21:36

1 stop5h 19m

$486

MolinePhiladelphia

MLI - PHL

MLIPHL

Moline Quad-City

Fri 29/5

17:00-00:25

1 stop6h 25m

Philadelphia

Tue 2/6

17:21-22:31

1 stop6h 10m

$530

MolinePhiladelphia

MLI - PHL

MLIPHL

Moline Quad-City

Fri 3/7

17:00-00:25

1 stop6h 25m

Philadelphia

Wed 8/7

16:05-22:30

1 stop7h 25m

$530

MolinePhiladelphia

MLI - PHL

MLIPHL

Moline Quad-City

Fri 20/2

17:01-00:24

1 stop6h 23m

Philadelphia

Sun 22/2

18:16-22:24

1 stop5h 08m

$530

PeoriaAllentown

PIA - ABE

PIAABE

Greater Peoria

Sat 24/1

15:00-21:05

1 stop5h 05m

Allentown-Bethlehem

Wed 28/1

06:15-10:10

1 stop4h 55m

$608

MolinePhiladelphia

MLI - PHL

MLIPHL

Moline Quad-City

Sat 24/1

15:45-21:36

1 stop4h 51m

Philadelphia

Tue 27/1

06:30-10:12

1 stop4h 42m

$608

MolinePhiladelphia

MLI - PHL

MLIPHL

Moline Quad-City

Mon 2/3

17:01-22:50

1 stop4h 49m

Philadelphia

Tue 3/3

16:59-22:24

1 stop6h 25m

$652

Flights are sorted by cheapest return flights first.

Deals found on 10/1

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Illinois (average of $1,212). Flying from Illinois in September will prove the most costly (average of $2,533). 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 Houston Hobby, with prices starting at $66. Explore other affordable destinations below.

Houston Hobby
Houston Hobby
From $66
Kastrup Copenhagen
Kastrup Copenhagen
From $664
San Francisco
San Francisco
From $1,579

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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 11 January 2026.

  • What is the cheapest month to fly from Illinois?

    At the present moment the cheapest month to fly from Illinois is currently January; with September being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

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

    Here are some of the cheapest flight destinations from Illinois:
    Fly from Chicago to Auckland from $1,480 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?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois.

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

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois, users can toggle the no change fees filter when performing a flight search.

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

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

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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois.

Can Cheapflights find flights from Illinois with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois, users can toggle the no change fees filter when performing a flight search.

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

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

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