What is the cheapest airport to fly out of Illinois?

Chicago O'Hare Intl airport offers the cheapest routes to Almaty, from £295; whereas Chicago Midway airport is typically cheaper if you're flying to London, from £476. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

What is the cheapest month to fly from Illinois?

At the present moment the cheapest month to fly from Illinois is currently May ; with June 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?

Check out the cheapest flights from Illinois to embark to: Travel from Chicago to London from £295 round trip Travel from Chicago to Glasgow from £350 round trip Travel from Chicago to Edinburgh from £362 round trip Travel from Chicago to Almaty from £949 round trip

£73+ Cheap Flights from Illinois

What to know about flights from Illinois

Good round-trip deal	£44 or less
Good one-way deal	£66 or less

Price to beat on a round-trip flight from Illinois.

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Price to beat on a one-way flight from Illinois.

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Find flights from Illinois

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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 16 December 2025.

Sat 10/118:30ORD - GLA

1 stop9h 25mIcelandair

Thu 5/211:15GLA - ORD

1 stop12h 05mIcelandair

Deal found 14/12£354

Tue 24/319:30ORD - GLA

1 stop9h 25mIcelandair

Tue 31/314:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 15/12£355

Thu 22/118:30ORD - GLA

1 stop9h 25mIcelandair

Thu 29/111:15GLA - ORD

1 stop12h 05mIcelandair

Deal found 15/12£361

Wed 18/218:30ORD - EDI

2 stops20h 00mMultiple Airlines

Tue 24/208:40EDI - ORD

2 stops14h 40mMultiple Airlines

Deal found 13/12£362

Sun 12/419:25ORD - GLA

1 stop12h 00mIcelandair

Sun 19/414:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 14/12£366

Tue 3/218:30ORD - GLA

1 stop9h 25mIcelandair

Sat 7/212:35GLA - ORD

1 stop10h 45mIcelandair

Deal found 15/12£367

Sat 10/118:30ORD - GLA

1 stop9h 25mIcelandair

Sat 17/112:35GLA - ORD

1 stop10h 45mIcelandair

Deal found 13/12£368

Sun 11/118:30ORD - GLA

1 stop9h 25mIcelandair

Thu 5/211:15GLA - ORD

1 stop12h 05mIcelandair

Deal found 14/12£370

Thu 22/118:30ORD - GLA

2 stops15h 30mMultiple Airlines

Thu 29/107:15GLA - ORD

2 stops16h 05mMultiple Airlines

Deal found 15/12£372

Wed 28/118:30ORD - EDI

2 stops21h 45mMultiple Airlines

Wed 4/207:25EDI - ORD

2 stops15h 55mMultiple Airlines

Deal found 14/12£381

Sun 12/419:25ORD - GLA

1 stop12h 00mIcelandair

Mon 20/414:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 14/12£382

Fri 24/419:25ORD - GLA

1 stop12h 00mIcelandair

Thu 30/414:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 15/12£383

Best flights from Illinois
Discover carefully curated flight deals from Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 December 2025.

Sun 12/419:25ORD - GLA

1 stop12h 00mIcelandair

Fri 17/414:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 14/12£399

Thu 12/218:30ORD - EDI

2 stops19h 10mMultiple Airlines

Mon 16/222:30EDI - ORD

2 stops24h 50mMultiple Airlines

Deal found 15/12£411

Sun 1/219:10ORD - LHR

2 stops18h 45mScandinavian Airlines

Thu 5/210:20LHR - ORD

1 stop12h 25mScandinavian Airlines

Deal found 14/12£442

Mon 19/117:50ORD - LHR

Nonstop8h 05mUnited Airlines

Thu 5/211:10LHR - ORD

1 stop13h 15mUnited Airlines

Deal found 12/12£464

Mon 12/121:45ORD - GLA

1 stop12h 50mBritish Airways

Mon 2/217:45GLA - ORD

1 stop26h 05mBritish Airways

Deal found 14/12£470

Tue 17/312:50ORD - STN

1 stop16h 00mTurkish Airlines

Tue 14/406:15STN - ORD

1 stop18h 00mTurkish Airlines

Deal found 13/12£476

Tue 13/110:45ORD - GLA

2 stops17h 10mDelta

Fri 6/206:05GLA - ORD

1 stop14h 15mDelta

Deal found 14/12£482

Wed 1/409:32MDW - LHR

2 stops14h 58mVirgin Atlantic

Thu 23/406:30LHR - MDW

2 stops17h 35mVirgin Atlantic

Deal found 15/12£490

Wed 14/113:49MDW - LHR

1 stop11h 16mKLM

Tue 20/111:05LHR - MDW

1 stop13h 31mKLM

Deal found 15/12£496

Sun 26/422:00STL - LHR

Nonstop8h 05mFinnair

Wed 6/516:25LHR - STL

Nonstop9h 05mFinnair

Deal found 15/12£499

Thu 15/116:20ORD - LCY

1 stop11h 00mLufthansa

Mon 19/118:15LCY - ORD

1 stop22h 55mLufthansa

Deal found 15/12£528

Wed 11/216:10ORD - LCY

1 stop14h 45mSWISS

Mon 23/219:10LCY - ORD

1 stop23h 35mSWISS

Deal found 14/12£534

Fri 6/320:15ORD - LGW

1 stop13h 30mTAP AIR PORTUGAL

Fri 13/321:25LGW - ORD

2 stops47h 20mTAP AIR PORTUGAL

Deal found 14/12£547

Tue 14/419:25ORD - GLA

1 stop12h 00mIcelandair

Sun 19/414:20GLA - ORD

1 stop13h 20mIcelandair

Deal found 14/12£399

Thu 29/112:44ORD - LGW

1 stop15h 16mMultiple Airlines

Mon 2/214:00LGW - ORD

2 stops29h 58mMultiple Airlines

Deal found 15/12£425

Tue 14/419:25ORD - GLA

1 stop12h 00mIcelandair

Sat 18/414:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 14/12£399

Fri 23/119:20ORD - LHR

2 stops15h 05mScandinavian Airlines

Tue 27/119:50LHR - ORD

2 stops26h 55mScandinavian Airlines

Deal found 15/12£443

Sun 11/121:05ORD - LHR

Nonstop8h 10mUnited Airlines

Wed 21/106:35LHR - ORD

1 stop13h 35mUnited Airlines

Deal found 14/12£464

Wed 25/321:20ORD - STN

1 stop19h 55mTurkish Airlines

Wed 1/417:45STN - ORD

1 stop21h 55mTurkish Airlines

Deal found 15/12£476

Wed 22/417:10ORD - GLA

2 stops13h 20mBritish Airways

Tue 5/505:55GLA - ORD

1 stop16h 00mBritish Airways

Deal found 15/12£479

Mon 12/119:20ORD - LTN

2 stops16h 55mMultiple Airlines

Fri 16/114:35LTN - ORD

2 stops32h 10mMultiple Airlines

Deal found 15/12£439

Wed 11/319:05ORD - ALA

2 stops44h 25mQatar Airways

Sat 14/303:00ALA - ORD

1 stop22h 45mQatar Airways

Deal found 13/12£970

Sun 15/219:10ORD - LHR

1 stop14h 50mScandinavian Airlines

Sat 14/306:40LHR - ORD

1 stop16h 05mScandinavian Airlines

Deal found 15/12£444

Fri 24/419:25ORD - GLA

1 stop12h 00mIcelandair

Wed 6/514:20GLA - ORD

1 stop13h 20mIcelandair

Deal found 15/12£404

Mon 13/413:30STL - LHR

2 stops14h 45mDelta

Fri 1/506:30LHR - STL

2 stops16h 15mDelta

Deal found 15/12£492

Tue 24/314:03MDW - LHR

1 stop12h 02mKLM

Wed 29/409:20LHR - MDW

1 stop13h 05mKLM

Deal found 15/12£508

Wed 6/516:50ORD - LCY

1 stop10h 00mVirgin Atlantic

Tue 12/509:20LCY - ORD

2 stops16h 23mVirgin Atlantic

Deal found 14/12£509

Wed 4/215:45ORD - LHR

Nonstop8h 10mUnited Airlines

Thu 12/206:35LHR - ORD

1 stop17h 50mUnited Airlines

Deal found 13/12£464

Wed 15/419:50ORD - STN

1 stop20h 20mTurkish Airlines

Tue 21/406:15STN - ORD

1 stop18h 00mTurkish Airlines

Deal found 14/12£476

Fri 27/218:30ORD - LTN

2 stops15h 45mMultiple Airlines

Wed 4/306:50LTN - ORD

2 stops16h 30mMultiple Airlines

Deal found 15/12£440

Direct flights from Illinois
Explore direct flight options from Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 16 December 2025.

Mon 9/321:45ORD - LHR

Nonstop7h 40mIberia

Mon 23/314:10LHR - ORD

Nonstop8h 50mIberia

Deal found 13/12£467

Sun 8/217:10ORD - LHR

Nonstop7h 45mBritish Airways

Thu 5/311:00LHR - ORD

Nonstop8h 50mBritish Airways

Deal found 15/12£468

Mon 19/120:45ORD - LHR

Nonstop7h 40mFinnair

Thu 5/212:35LHR - ORD

Nonstop8h 50mFinnair

Deal found 12/12£473

Tue 10/218:25ORD - LHR

Nonstop7h 50mFinnair

Wed 25/211:00LHR - ORD

Nonstop8h 50mFinnair

Deal found 14/12£474

Tue 13/120:45ORD - LHR

Nonstop7h 40mBritish Airways

Tue 20/112:35LHR - ORD

Nonstop8h 50mBritish Airways

Deal found 15/12£475

Tue 27/117:10ORD - LHR

Nonstop7h 45mBritish Airways

Tue 3/211:00LHR - ORD

Nonstop8h 50mBritish Airways

Deal found 13/12£477

Tue 13/120:45ORD - LHR

Nonstop7h 40mFinnair

Tue 20/112:35LHR - ORD

Nonstop8h 50mFinnair

Deal found 14/12£478

Wed 15/419:05ORD - LHR

Nonstop8h 00mBritish Airways

Tue 21/413:10LHR - ORD

Nonstop8h 45mBritish Airways

Deal found 15/12£479

Wed 28/118:45ORD - LHR

Nonstop7h 50mIberia

Wed 4/214:10LHR - ORD

Nonstop8h 50mIberia

Deal found 14/12£480

Wed 28/118:45ORD - LHR

Nonstop7h 50mFinnair

Wed 4/214:10LHR - ORD

Nonstop8h 50mFinnair

Deal found 14/12£481

Tue 27/120:45ORD - LHR

Nonstop7h 40mIberia

Tue 3/214:10LHR - ORD

Nonstop8h 50mIberia

Deal found 13/12£482

Sun 4/115:45ORD - LHR

Nonstop8h 10mUnited Airlines

Tue 13/110:25LHR - ORD

Nonstop9h 20mUnited Airlines

Deal found 14/12£484

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data was last updated 16 December 2025 and is based on user searches.

Tue 6/118:30ORD - LHR

1 stop10h 20mIcelandair

Tue 13/112:15LHR - ORD

1 stop11h 05mIcelandair

Deal found 15/12£408

Tue 6/118:30ORD - LHR

1 stop19h 00mIcelandair

Mon 12/120:35LHR - ORD

1 stop26h 45mIcelandair

Deal found 15/12£410

Thu 8/118:30ORD - EDI

2 stops22h 00mMultiple Airlines

Mon 12/122:30EDI - ORD

2 stops24h 50mMultiple Airlines

Deal found 15/12£410

Fri 9/118:30ORD - EDI

2 stops20h 35mMultiple Airlines

Fri 16/106:45EDI - ORD

2 stops16h 35mMultiple Airlines

Deal found 12/12£372

Thu 15/115:50ORD - LGW

2 stops36h 10mMultiple Airlines

Thu 22/114:00LGW - ORD

1 stop26h 35mMultiple Airlines

Deal found 15/12£407

Thu 15/119:20ORD - LHR

2 stops15h 05mScandinavian Airlines

Thu 22/106:40LHR - ORD

1 stop16h 05mScandinavian Airlines

Deal found 15/12£410

Thu 22/118:30ORD - EDI

2 stops19h 10mMultiple Airlines

Fri 30/106:45EDI - ORD

2 stops16h 35mMultiple Airlines

Deal found 13/12£374

Thu 22/119:20ORD - LHR

2 stops15h 05mScandinavian Airlines

Mon 26/110:20LHR - ORD

1 stop12h 25mScandinavian Airlines

Deal found 13/12£411

Mon 26/119:20ORD - LGW

2 stops19h 40mMultiple Airlines

Fri 30/121:35LGW - ORD

2 stops25h 10mMultiple Airlines

Deal found 15/12£409

Mon 26/119:20ORD - STN

2 stops20h 00mMultiple Airlines

Fri 30/117:00STN - ORD

3 stops29h 45mMultiple Airlines

Deal found 15/12£410

Wed 28/118:30ORD - EDI

2 stops21h 45mMultiple Airlines

Wed 4/207:25EDI - ORD

2 stops15h 55mMultiple Airlines

Deal found 14/12£381

Fri 30/119:10ORD - LHR

2 stops17h 20mScandinavian Airlines

Wed 4/207:05LHR - ORD

2 stops15h 40mScandinavian Airlines

Deal found 15/12£409

One-way flights from Illinois
Search for one-way flight options from Illinois. Find affordable one-way fares based on user searches. Data last updated 16 December 2025.

Mon 2/212:44ORD - EDI

2 stops24h 26mMultiple Airlines

Deal found 13/12£183

Sun 1/211:55ORD - EDI

2 stops44h 55mMultiple Airlines

Deal found 13/12£195

Tue 3/214:53ORD - EDI

3 stops43h 27mMultiple Airlines

Deal found 13/12£199

Thu 8/117:53ORD - EDI

2 stops46h 57mMultiple Airlines

Deal found 14/12£209

Wed 7/118:30ORD - EDI

3 stops20h 00mMultiple Airlines

Deal found 14/12£211

Fri 30/118:30ORD - EDI

3 stops20h 35mMultiple Airlines

Deal found 13/12£215

Mon 4/515:45ORD - EDI

1 stop11h 05mMultiple Airlines

Deal found 14/12£215

Sun 15/218:30ORD - EDI

3 stops31h 45mMultiple Airlines

Deal found 15/12£216

Wed 29/420:50ORD - EDI

1 stop19h 10mMultiple Airlines

Deal found 13/12£218

Wed 7/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 15/12£236

Fri 16/116:38ORD - GLA

3 stops32h 17mMultiple Airlines

Deal found 15/12£240

Fri 27/316:50ORD - GLA

1 stop10h 00mAer Lingus

Deal found 15/12£263

International flights from Illinois
Find cheap international flights from Illinois based on historic user searches and pricing. Information updated on 16 December 2025.

Fri 30/114:30BOM - DEL

Nonstop2h 20mAkasa Air

Fri 6/210:00DEL - BOM

Nonstop2h 20mAkasa Air

Deal found 15/12£93

Sat 24/103:10BOM - DEL

Nonstop2h 15mMultiple Airlines

Wed 28/108:35DEL - BOM

Nonstop2h 15mMultiple Airlines

Deal found 15/12£96

Wed 31/1212:05BOM - DEL

Nonstop2h 10mAir India

Wed 31/1200:05DEL - BOM

Nonstop2h 20mAir India

Deal found 15/12£100

Wed 28/107:25BOM - DEL

1 stop3h 45mAir India

Wed 4/214:25DEL - BOM

1 stop3h 40mAir India

Deal found 14/12£102

Sun 28/1206:05BOM - DEL

Nonstop2h 00mMultiple Airlines

Wed 31/1206:30DEL - BOM

Nonstop2h 05mMultiple Airlines

Deal found 14/12£102

Wed 7/122:45BOM - DEL

Nonstop2h 25mAir India

Thu 8/112:00DEL - BOM

Nonstop2h 20mAir India

Deal found 15/12£103

Fri 30/107:25BOM - DEL

1 stop3h 45mAir India

Fri 6/214:25DEL - BOM

1 stop3h 40mAir India

Deal found 15/12£105

Thu 29/103:10BOM - DEL

Nonstop2h 15mAir India

Fri 30/109:30DEL - BOM

Nonstop2h 30mAir India

Deal found 15/12£109

Fri 26/1222:15BOM - DEL

Nonstop2h 15mIndiGo

Mon 29/1217:00DEL - BOM

Nonstop2h 25mIndiGo

Deal found 13/12£114

Tue 13/120:45BOM - DXB

1 stop21h 55mSriLankan Airlines

Tue 20/123:10DXB - BOM

1 stop19h 05mSriLankan Airlines

Deal found 14/12£176

Tue 13/120:45BOM - DXB

1 stop21h 55mMultiple Airlines

Tue 20/123:40DXB - BOM

Nonstop3h 15mMultiple Airlines

Deal found 14/12£179

Tue 27/103:10BOM - DXB

1 stop20h 10mMultiple Airlines

Wed 4/218:20DXB - BOM

Nonstop3h 10mMultiple Airlines

Deal found 14/12£179

Fly to

Route

Depart

Return

Price

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 12/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Fri 17/4

14:20-18:15

1 stop9h 55m

£399

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 14/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Sun 19/4

14:20-21:40

1 stop13h 20m

£399

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 14/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Sat 18/4

14:20-18:15

1 stop9h 55m

£399

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Fri 24/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Wed 6/5

14:20-21:40

1 stop13h 20m

£404

ChicagoEdinburgh

ORD - EDI

ORDEDI

Chicago O'Hare Intl

Thu 12/2

18:30-19:40

2 stops19h 10m

Edinburgh Turnhouse

Mon 16/2

22:30-17:20

2 stops24h 50m

£411

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Thu 29/1

12:44-10:00

1 stop15h 16m

London Gatwick

Mon 2/2

14:00-13:58

2 stops29h 58m

£425

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 12/1

19:20-18:15

2 stops16h 55m

London Luton

Fri 16/1

14:35-16:45

2 stops32h 10m

£439

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 27/2

18:30-16:15

2 stops15h 45m

London Luton

Wed 4/3

06:50-17:20

2 stops16h 30m

£440

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 1/2

19:10-19:55

2 stops18h 45m

London Heathrow

Thu 5/2

10:20-16:45

1 stop12h 25m

£442

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 23/1

19:20-16:25

2 stops15h 05m

London Heathrow

Tue 27/1

19:50-16:45

2 stops26h 55m

£443

Flights are sorted by cheapest return flights first.

Deals found on 13/12

Showing 1-10 of 60 results

...

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, May is the cheapest month in which you can book a flight from Illinois (average of £298). Flying from Illinois in June will prove the most costly (average of £680). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Illinois?

Many airlines operate round-trip flights from Illinois: British Airways, Iberia, Aer Lingus, Finnair, United Airlines. These airlines fly to the following popular destinations: London.

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Palm Beach Intl, with prices starting at £22. Explore other affordable destinations below.

Browse thousands of different options on Cheapflights for your next trip

Related info for your journey

What is the cheapest airport to fly out of Illinois?
Chicago O'Hare Intl airport offers the cheapest routes to Almaty, from £295; whereas Chicago Midway airport is typically cheaper if you're flying to London, from £476. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.
What is the cheapest month to fly from Illinois?
At the present moment the cheapest month to fly from Illinois is currently May; with June 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?
Check out the cheapest flights from Illinois to embark to:
Travel from Chicago to London from £295 round trip
Travel from Chicago to Glasgow from £350 round trip
Travel from Chicago to Edinburgh from £362 round trip
Travel from Chicago to Almaty from £949 round trip
How does Cheapflights help users find flights from Illinois?
Cheapflights makes it easy to find flights from Illinois by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Illinois?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.
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?
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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How does Cheapflights help users find flights from Illinois?

Cheapflights makes it easy to find flights from Illinois by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

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?

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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£73+ 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 5/1. 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.

What to know about flights from Illinois

Good round-trip deal

Good one-way deal

Find flights from Illinois

Cheapest flights from IllinoisExplore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 16 December 2025.

Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 16 December 2025.

Find flights from Illinois within your budget

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.

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?

Which airlines fly from Illinois?

What is the cheapest place to fly to from Illinois?

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.

Direct flights from USA

Book a direct flight from one of these other cities located in USA.

Related info for your journey

What is the cheapest airport to fly out of Illinois?

What is the cheapest month to fly from Illinois?

Where are the cheapest places to fly to from Illinois?

How does Cheapflights help users find flights from Illinois?

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

Can Cheapflights find flights from Illinois with no change fees?

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

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?

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

Can Cheapflights find flights from Illinois with no change fees?

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

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Book with Flexibility

Travel Smart

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 16 December 2025.