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 July . 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?

View the cheapest flight destinations from Illinois: Fly from Chicago to Singapore from S$ 972 round trip

S$ 147+ Flights from Illinois

Find flights from Illinois

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 18 December 2024.

Tue 14-108:45ORD - GRR

Nonstop1h 23mUnited Airlines

Mon 20-112:56GRR - ORD

Nonstop1h 18mUnited Airlines

Deal found 17-12S$ 205

Wed 8-106:45ORD - GRR

1 stop6h 13mDelta

Thu 9-106:50GRR - ORD

1 stop3h 26mDelta

Deal found 17-12S$ 244

Thu 23-115:35ORD - ONT

1 stop8h 38mAlaska Airlines

Tue 28-117:44ONT - ORD

1 stop17h 23mAlaska Airlines

Deal found 17-12S$ 269

Wed 22-114:25ORD - ONT

1 stop10h 07mDelta

Fri 31-113:00ONT - ORD

1 stop8h 59mDelta

Deal found 17-12S$ 346

Thu 13-213:45ORD - ONT

1 stop9h 30mSouthwest

Fri 21-205:35ONT - ORD

2 stops9h 10mSouthwest

Deal found 17-12S$ 387

Wed 8-107:00ORD - GRR

1 stop5h 15mSouthwest

Thu 13-317:10GRR - ORD

1 stop5h 20mSouthwest

Deal found 17-12S$ 398

Thu 13-210:30ORD - PWM

1 stop4h 33mDelta

Fri 14-205:27PWM - ORD

1 stop5h 28mDelta

Deal found 17-12S$ 409

Fri 7-207:30ORD - PWM

2 stops14h 10mSouthwest

Sun 9-205:35PWM - ORD

2 stops12h 10mSouthwest

Deal found 17-12S$ 416

Fri 3-118:10ORD - PWM

Nonstop2h 32mUnited Airlines

Mon 6-105:20PWM - ORD

1 stop7h 38mUnited Airlines

Deal found 17-12S$ 417

Wed 15-112:45ORD - ONT

1 stop7h 19mUnited Airlines

Wed 22-106:15ONT - ORD

1 stop6h 39mUnited Airlines

Deal found 16-12S$ 454

Wed 22-111:55ORD - ATH

1 stop16h 25mTurkish Airlines

Thu 30-110:10ATH - ORD

1 stop32h 00mTurkish Airlines

Deal found 17-12S$ 799

Thu 1-519:15ORD - ATH

1 stop15h 35mScandinavian Airlines

Tue 13-507:45ATH - ORD

2 stops21h 50mScandinavian Airlines

Deal found 17-12S$ 852

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 18 December 2024.

Tue 14-108:45ORD - GRR

Nonstop1h 23mUnited Airlines

Mon 20-112:56GRR - ORD

Nonstop1h 18mUnited Airlines

Deal found 17-12S$ 205

Wed 8-106:45ORD - GRR

1 stop6h 13mDelta

Thu 9-106:50GRR - ORD

1 stop3h 26mDelta

Deal found 17-12S$ 244

Thu 23-115:35ORD - ONT

1 stop8h 38mAlaska Airlines

Tue 28-117:44ONT - ORD

1 stop17h 23mAlaska Airlines

Deal found 17-12S$ 269

Thu 13-213:45ORD - ONT

1 stop9h 30mSouthwest

Fri 21-205:35ONT - ORD

2 stops9h 10mSouthwest

Deal found 17-12S$ 387

Wed 22-114:25ORD - ONT

1 stop10h 07mDelta

Fri 31-113:00ONT - ORD

1 stop8h 59mDelta

Deal found 17-12S$ 346

Wed 8-107:00ORD - GRR

1 stop5h 15mSouthwest

Thu 13-317:10GRR - ORD

1 stop5h 20mSouthwest

Deal found 17-12S$ 398

Wed 22-111:55ORD - ATH

1 stop16h 25mTurkish Airlines

Thu 30-110:10ATH - ORD

1 stop32h 00mTurkish Airlines

Deal found 17-12S$ 799

Fri 3-118:10ORD - PWM

Nonstop2h 32mUnited Airlines

Mon 6-105:20PWM - ORD

1 stop7h 38mUnited Airlines

Deal found 17-12S$ 417

Thu 1-519:15ORD - ATH

1 stop15h 35mScandinavian Airlines

Tue 13-507:45ATH - ORD

2 stops21h 50mScandinavian Airlines

Deal found 17-12S$ 852

Wed 5-318:26ORD - ATH

1 stop22h 34mMultiple Airlines

Mon 10-319:35ATH - ORD

1 stop25h 30mMultiple Airlines

Deal found 17-12S$ 855

Mon 6-122:00ORD - ATH

1 stop17h 10mBritish Airways

Wed 15-107:45ATH - ORD

1 stop15h 00mBritish Airways

Deal found 17-12S$ 869

Sun 19-113:40ORD - ATH

2 stops18h 55mKLM

Wed 5-206:00ATH - ORD

1 stop16h 30mKLM

Deal found 17-12S$ 892

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 18 December 2024.

Thu 9-108:45ORD - GRR

Nonstop1h 23mUnited Airlines

Mon 13-118:30GRR - ORD

Nonstop1h 18mUnited Airlines

Deal found 17-12S$ 308

Fri 17-111:10ORD - PWM

Nonstop2h 32mUnited Airlines

Tue 21-116:10PWM - ORD

Nonstop3h 14mUnited Airlines

Deal found 17-12S$ 505

Sat 3-516:15ORD - ATH

Nonstop10h 15mUnited Airlines

Tue 13-512:35ATH - ORD

Nonstop11h 45mUnited Airlines

Deal found 17-12S$ 1,006

Mon 12-515:10ORD - ATH

Nonstop10h 15mFinnair

Wed 21-511:30ATH - ORD

Nonstop11h 25mFinnair

Deal found 17-12S$ 1,108

Tue 6-516:15ORD - ATH

Nonstop10h 15mLufthansa

Tue 20-512:35ATH - ORD

Nonstop11h 45mLufthansa

Deal found 16-12S$ 1,586

Mon 9-615:10ORD - ATH

Nonstop10h 15mBritish Airways

Thu 19-611:30ATH - ORD

Nonstop11h 25mBritish Airways

Deal found 16-12S$ 2,639

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data was last updated 18 December 2024 and is based on user searches.

Sun 22-1207:30ORD - ONT

2 stops12h 35mSouthwest

Thu 26-1206:05ONT - ORD

1 stop6h 55mSouthwest

Deal found 16-12S$ 976

Sun 22-1217:30ORD - GRR

1 stop4h 00mDelta

Tue 24-1218:11GRR - ORD

1 stop4h 06mDelta

Deal found 17-12S$ 1,150

Sun 22-1219:07ORD - ONT

1 stop19h 26mAlaska Airlines

Wed 25-1206:00ONT - ORD

1 stop10h 10mAlaska Airlines

Deal found 16-12S$ 1,431

Mon 23-1221:12ORD - ATH

2 stops32h 53mUnited Airlines

Fri 10-107:05ATH - ORD

2 stops32h 58mUnited Airlines

Deal found 17-12S$ 1,566

Tue 24-1215:42ORD - PWM

1 stop6h 38mUnited Airlines

Sat 28-1207:30PWM - ORD

Nonstop3h 14mUnited Airlines

Deal found 17-12S$ 984

Tue 24-1212:30ORD - PWM

2 stops10h 40mDelta

Mon 30-1206:05PWM - ORD

2 stops9h 33mDelta

Deal found 17-12S$ 1,361

Tue 24-1221:45ORD - ATH

1 stop19h 30mBritish Airways

Fri 24-107:45ATH - ORD

1 stop15h 00mBritish Airways

Deal found 17-12S$ 1,848

Wed 25-1207:30ORD - ONT

1 stop6h 38mDelta

Thu 2-122:29ONT - ORD

1 stop8h 11mDelta

Deal found 17-12S$ 1,003

Wed 25-1214:23ORD - ONT

1 stop10h 06mUnited Airlines

Wed 1-105:05ONT - ORD

1 stop6h 10mUnited Airlines

Deal found 17-12S$ 1,038

Wed 25-1219:05ORD - ATH

1 stop13h 35mSWISS

Thu 16-107:05ATH - ORD

1 stop17h 10mSWISS

Deal found 17-12S$ 1,655

Thu 26-1218:00ORD - GRR

Nonstop1h 09mUnited Airlines

Tue 31-1215:58GRR - ORD

1 stop18h 40mUnited Airlines

Deal found 17-12S$ 983

Fri 27-1216:25ORD - ATH

1 stop24h 40mDelta

Wed 15-106:00ATH - ORD

1 stop16h 30mDelta

Deal found 17-12S$ 1,288

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 18 December 2024.

Tue 14-118:55ORD - ONT

2 stops17h 39mAlaska Airlines

Deal found 17-12S$ 273

Wed 15-106:45ORD - GRR

2 stops10h 21mDelta

Deal found 17-12S$ 274

Wed 15-115:40ORD - ONT

1 stop8h 17mUnited Airlines

Deal found 17-12S$ 274

Tue 22-407:30ORD - PWM

2 stops14h 00mSouthwest

Deal found 17-12S$ 278

Mon 20-106:15ORD - ONT

2 stops8h 30mSouthwest

Deal found 17-12S$ 282

Fri 14-218:23ORD - GRR

Nonstop1h 04mUnited Airlines

Deal found 16-12S$ 288

Sat 18-114:55ORD - PWM

1 stop7h 56mDelta

Deal found 17-12S$ 296

Sun 12-105:45ORD - ONT

1 stop8h 05mDelta

Deal found 17-12S$ 298

Sun 16-306:30ORD - PWM

1 stop7h 22mUnited Airlines

Deal found 17-12S$ 300

Fri 27-1206:00ORD - ONT

1 stop8h 06mAmerican Airlines

Deal found 16-12S$ 381

Sat 18-117:30ORD - ATH

1 stop25h 45mAir Serbia

Deal found 17-12S$ 522

Wed 15-122:00ORD - ATH

1 stop19h 00mBritish Airways

Deal found 17-12S$ 555

Find flights from Illinois within your budget

Fly to

Route

Depart

Return

Price

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Thu 9-1

06:45-13:58

1 stop6h 13m

Grand Rapids Gerald R. Ford Intl

Mon 13-1

17:57-20:53

1 stop3h 56m

S$ 251

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 23-1

15:35-22:13

1 stop8h 38m

Ontario

Tue 28-1

17:44-13:07

1 stop17h 23m

S$ 269

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Wed 15-1

13:55-16:04

Nonstop1h 09m

Grand Rapids Gerald R. Ford Intl

Thu 16-1

09:25-09:43

Nonstop1h 18m

S$ 286

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 22-1

14:25-22:32

1 stop10h 07m

Ontario

Fri 31-1

13:00-23:59

1 stop8h 59m

S$ 346

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 13-2

13:45-21:15

1 stop9h 30m

Ontario

Fri 21-2

05:35-16:45

2 stops9h 10m

S$ 387

ChicagoGrand Rapids

ORD - GRR

ORDGRR

Chicago O'Hare Intl

Wed 8-1

07:00-13:15

1 stop5h 15m

Grand Rapids Gerald R. Ford Intl

Thu 13-3

17:10-21:30

1 stop5h 20m

S$ 398

ChicagoPortland

ORD - PWM

ORDPWM

Chicago O'Hare Intl

Thu 13-2

10:30-16:03

1 stop4h 33m

Portland

Fri 14-2

05:27-09:55

1 stop5h 28m

S$ 409

ChicagoPortland

ORD - PWM

ORDPWM

Chicago O'Hare Intl

Fri 7-2

07:30-22:40

2 stops14h 10m

Portland

Sun 9-2

05:35-16:45

2 stops12h 10m

S$ 416

ChicagoPortland

ORD - PWM

ORDPWM

Chicago O'Hare Intl

Fri 3-1

18:10-21:42

Nonstop2h 32m

Portland

Mon 6-1

05:20-11:58

1 stop7h 38m

S$ 417

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 15-1

12:45-18:04

1 stop7h 19m

Ontario

Wed 22-1

06:15-14:54

1 stop6h 39m

S$ 454

Flights are sorted by cheapest return flights first.

Deals found on 17-12

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, February is the cheapest month in which you can book a flight from Illinois (average of S$ 1,004). Flying from Illinois in July will prove the most costly (average of S$ 1,702). 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 Orlando, with prices starting at S$ 83. Explore other affordable destinations below.

Orlando

From S$ 61

San Francisco

From S$ 107

Buffalo

From S$ 199

Rome

From S$ 719

Airline reviews for flights from Illinois

EVA Air

8.4

Very Good

1,269 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air

8.4

Very Good

1,269 reviews

EVA Air

8.4

Very Good

1,269 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Korean Air

8.4

Very Good

1,018 reviews

EVA Air

8.4

Very Good

1,269 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

ANA

8.4

Very Good

839 reviews

EVA Air

8.4

Very Good

1,269 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines

8.3

Very Good

1,443 reviews

EVA Air

8.4

Very Good

1,269 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Emirates

8.1

Very Good

3,412 reviews

EVA Air

8.4

Very Good

1,269 reviews

Check prices

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

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Related info for your journey

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 July. 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?
View the cheapest flight destinations from Illinois:
Fly from Chicago to Singapore from S$ 972 round trip
How does Cheapflights help users find flights from Illinois?
When you search for this flight from Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.
Why should you use Cheapflights to find cheap flight tickets from Illinois?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Illinois.
Can Cheapflights find flights from Illinois with no change fees?
Yes! Cheapflights helps users easily find flights from Illinois with no change fees.
Can Cheapflights notify me if prices for flights from Illinois become cheaper?
Yes! Start tracking prices for flights from Illinois today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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How does Cheapflights help users find flights from Illinois?

When you search for this flight from Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Illinois.

Can Cheapflights find flights from Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois with no change fees.

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

Yes! Start tracking prices for flights from Illinois today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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S$ 147+ 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 23-1. 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.

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 18 December 2024.

Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 18 December 2024.

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?

What is the cheapest place to fly to from Illinois?

Airline reviews for flights 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.

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Related info for your journey

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 18 December 2024.