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Cheap flights to Illinois from $98

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 10/4. 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.
WAS — ORD
24 Mar — 31 Mar1
1 adult
Sun 24/3
Sun 31/3

Find deals on flights to Illinois by searching across hundreds of travel sites at once.

 
Cheapflights users frequently choose these airlines when searching for flights to Illinois, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights to Illinois, based on our search results.
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Flights to Illinois in 2024

Find the latest flights to Illinois in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 651,626 searches and data was last updated on 19 March 2024.

Popular in

December

Cheapest in

October

Average price

$2,468

Return from

$1,301

One-way from

$740
High demand for flights, 10% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for return flights in March 2024
From Sydney Kingsford Smith to Chicago
One-way flight from Sydney Kingsford Smith (SYD) to Illinois

Cheap flights to Illinois in March & April 2024

Search the best deals to popular Illinois cities recently found by Cheapflights users
The following deals offer some of the lowest prices we've found on flights heading to Illinois in March and April 2024. If these deals fall outside of your budget, be sure to come back soon as prices update often.
Cheap flights to Chicago, Illinois
Tue 23/411:30FLL - ORD
1 stop10h 15mSpirit Airlines
Wed 24/412:10ORD - FLL
1 stop8h 30mSpirit Airlines
Deal found 18/3$130
Thu 18/420:40FLL - ORD
Nonstop3h 23mSpirit Airlines
Sun 21/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 18/3$131
Tue 9/408:10FLL - ORD
1 stop8h 57mSpirit Airlines
Wed 10/421:25ORD - FLL
Nonstop3h 09mSpirit Airlines
Deal found 18/3$136
Sat 13/419:27FLL - ORD
1 stop5h 25mSpirit Airlines
Sun 14/405:00ORD - FLL
Nonstop3h 06mSpirit Airlines
Deal found 18/3$149
Tue 9/408:10FLL - ORD
1 stop8h 57mSpirit Airlines
Wed 10/411:11ORD - FLL
1 stop6h 19mSpirit Airlines
Deal found 18/3$155
Thu 4/407:20FLL - ORD
Nonstop3h 14mSpirit Airlines
Sun 7/405:00ORD - FLL
Nonstop3h 08mSpirit Airlines
Deal found 18/3$163
Tue 9/408:10FLL - ORD
1 stop8h 57mSpirit Airlines
Tue 9/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 18/3$168
Thu 4/407:10FLL - ORD
1 stop5h 03mSpirit Airlines
Sun 7/405:00ORD - FLL
Nonstop3h 08mSpirit Airlines
Deal found 18/3$180
Sat 6/407:00FLL - ORD
1 stop10h 09mSpirit Airlines
Sun 14/405:00ORD - FLL
Nonstop3h 06mSpirit Airlines
Deal found 18/3$181

Illinois 2024 flight deals

Explore flight deals for Illinois in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 651,626 searches and data were last updated on 19 March 2024.
Browse some of the best deals on flights to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 13/421:59FLL - ORD
Nonstop3h 21mSpirit Airlines
Sun 14/421:25ORD - FLL
Nonstop3h 09mSpirit Airlines
Deal found 18/3$119
Tue 23/411:30FLL - ORD
1 stop10h 15mSpirit Airlines
Wed 24/412:10ORD - FLL
1 stop8h 30mSpirit Airlines
Deal found 18/3$130
Thu 18/420:40FLL - ORD
Nonstop3h 23mSpirit Airlines
Sun 21/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 18/3$131
Tue 9/408:10FLL - ORD
1 stop8h 57mSpirit Airlines
Tue 9/420:42ORD - FLL
Nonstop3h 11mSpirit Airlines
Deal found 18/3$136
Sat 13/419:27FLL - ORD
1 stop5h 25mSpirit Airlines
Sun 14/405:00ORD - FLL
Nonstop3h 06mSpirit Airlines
Deal found 18/3$149
Tue 9/408:10FLL - ORD
1 stop8h 57mSpirit Airlines
Wed 10/411:11ORD - FLL
1 stop6h 19mSpirit Airlines
Deal found 18/3$155
Thu 4/407:20FLL - ORD
Nonstop3h 14mSpirit Airlines
Sun 7/405:00ORD - FLL
Nonstop3h 08mSpirit Airlines
Deal found 18/3$163
Tue 9/408:10FLL - ORD
1 stop8h 57mSpirit Airlines
Tue 9/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 18/3$168
Thu 4/407:10FLL - ORD
1 stop5h 03mSpirit Airlines
Sun 7/405:00ORD - FLL
Nonstop3h 08mSpirit Airlines
Deal found 18/3$180

Flights to Illinois departing soon

Discover available last-minute flight options to Illinois, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 651,626 searches and data was last updated on 19 March 2024.
If you're looking for a last-minute flight to Illinois, consider booking one of these fares. Tip: double check your flight details before making your reservation.
Tue 26/314:19FLL - ORD
Nonstop3h 22mSpirit Airlines
Sun 31/305:00ORD - FLL
Nonstop3h 08mSpirit Airlines
Deal found 18/3$194

One-way flights to Illinois

Explore one-way flight options to Illinois for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 651,626 searches and data was last updated on 19 March 2024.
These are some of the best available deals on flights to Illinois. Those seeking round-trip flights to Illinois should utilize the search form at the top of the page.
Wed 10/414:45PHL - ORD
1 stop9h 58mFrontier
Deal found 18/3$98

Direct flights to Illinois

Thu 4/407:20FLL - ORD
Nonstop3h 14mSpirit Airlines
Sun 7/405:00ORD - FLL
Nonstop3h 08mSpirit Airlines
Deal found 18/3$163
Tue 9/407:20FLL - ORD
Nonstop3h 14mSpirit Airlines
Tue 9/420:42ORD - FLL
Nonstop3h 11mSpirit Airlines
Deal found 18/3$187
Fri 5/416:20FLL - ORD
Nonstop3h 22mSpirit Airlines
Sun 7/405:00ORD - FLL
Nonstop3h 08mSpirit Airlines
Deal found 18/3$201
Wed 1/523:59LAX - ORD
Nonstop4h 04mSpirit Airlines
Sat 4/517:35ORD - LAX
Nonstop4h 37mSpirit Airlines
Deal found 18/3$219
Tue 9/400:40LAS - ORD
Nonstop3h 27mSpirit Airlines
Sat 13/416:05ORD - LAS
Nonstop4h 06mSpirit Airlines
Deal found 18/3$221
Fri 3/521:59FLL - ORD
Nonstop3h 21mSpirit Airlines
Sun 5/505:00ORD - FLL
Nonstop3h 06mSpirit Airlines
Deal found 18/3$232
Tue 16/423:59LAX - ORD
Nonstop4h 04mSpirit Airlines
Sat 20/417:35ORD - LAX
Nonstop4h 37mSpirit Airlines
Deal found 17/3$236
Tue 14/506:05LAX - ORD
Nonstop4h 07mSpirit Airlines
Wed 15/522:57ORD - LAX
Nonstop4h 31mSpirit Airlines
Deal found 18/3$267
Tue 2/421:32FLL - ORD
Nonstop3h 23mSpirit Airlines
Sun 7/421:18ORD - FLL
Nonstop3h 09mSpirit Airlines
Deal found 18/3$277

Find flights to Illinois within your budget

Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 651,626 searches and data was last updated on 19 March 2024.

Fly from

Any airport

Budget

$110 - $334

Route

Depart

Return

Price

Fort LauderdaleChicago O'Hare Intl

FLL - ORD

FLLORD

Fort Lauderdale

Fri 12/4

Nonstop3h 24m

Chicago O'Hare Intl

Mon 15/4

1 stop9h 22m

$110

Fort LauderdaleChicago O'Hare Intl

FLL - ORD

FLLORD

Fort Lauderdale

Wed 10/4

Nonstop3h 21m

Chicago O'Hare Intl

Fri 12/4

Nonstop3h 09m

$119

Fort LauderdaleChicago O'Hare Intl

FLL - ORD

FLLORD

Fort Lauderdale

Thu 11/4

1 stop4h 53m

Chicago O'Hare Intl

Tue 16/4

Nonstop3h 09m

$123

Fort LauderdaleChicago O'Hare Intl

FLL - ORD

FLLORD

Fort Lauderdale

Thu 25/4

Nonstop3h 21m

Chicago O'Hare Intl

Sun 28/4

1 stop8h 20m

$131

Los AngelesChicago O'Hare Intl

LAX - ORD

LAXORD

Los Angeles

Wed 1/5

1 stop7h 22m

Chicago O'Hare Intl

Sat 4/5

Nonstop4h 37m

$221

NewarkChicago O'Hare Intl

EWR - ORD

EWRORD

Newark

Wed 15/5

1 stop6h 26m

Chicago O'Hare Intl

Sat 18/5

1 stop5h 02m

$241

NewarkChicago O'Hare Intl

EWR - ORD

EWRORD

Newark

Tue 7/5

Nonstop2h 39m

Chicago O'Hare Intl

Wed 8/5

Nonstop2h 17m

$317

NewarkChicago O'Hare Intl

EWR - ORD

EWRORD

Newark

Fri 19/7

Nonstop2h 37m

Chicago O'Hare Intl

Tue 23/7

Nonstop2h 04m

$326

San FranciscoChicago O'Hare Intl

SFO - ORD

SFOORD

San Francisco

Wed 10/4

Nonstop4h 23m

Chicago O'Hare Intl

Sat 13/4

Nonstop4h 59m

$334

Flights are sorted by cheapest first

Deals found on 17/3

Average price of flights to Illinois by month

Plan your trip to Illinois by taking into account the cheapest months to travel. The average price of a one-way flight to Illinois is currently $98 while a return flight costs $213. Price data was last updated on 17 March 2024.

Currently, January is the cheapest month in which you can book a flight to Illinois (average of $0). Flying to Illinois in December will prove the most costly (average of $1,602). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Temperature and rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

-5 - 23 °C

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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

Use this chart to determine the optimal time to book a return flight to Illinois. Price data was last updated on 28 January 2024.
To ensure you get the cheapest price possible for a flight to Illinois, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 19 March 2024.
Get a feel of what it's like to fly with ANA, Air Canada and Cathay Pacific to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.7
Very Good
79 reviews

Comfort

8.1

Boarding

8.5

Crew

8.9

Food

7.8

Entertainment

7.4

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.7
Very Good
79 reviews
8.7
Very Good
79 reviews

Comfort

8.1

Boarding

8.5

Crew

8.9

Food

7.8

Entertainment

7.4

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.6
Very Good
1,244 reviews
8.7
Very Good
79 reviews

Comfort

8.1

Boarding

8.5

Crew

8.9

Food

7.8

Entertainment

7.4

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.5
Very Good
1,005 reviews
8.7
Very Good
79 reviews

Comfort

8.1

Boarding

8.5

Crew

8.9

Food

7.8

Entertainment

7.4

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.4
Very Good
1,477 reviews
8.7
Very Good
79 reviews

Comfort

8.1

Boarding

8.5

Crew

8.9

Food

7.8

Entertainment

7.4

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.3
Very Good
1,520 reviews
8.7
Very Good
79 reviews

Comfort

8.1

Boarding

8.5

Crew

8.9

Food

7.8

Entertainment

7.4

Overall

8.7

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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Certainly. Search results for flights to Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes! Start tracking prices for Illinois flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.