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Cheap flights to Illinois from $111

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 20/5. 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
3 Apr — 10 Apr1
1 adult
Wed 3/4
Wed 10/4

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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 639,854 searches and data was last updated on 29 March 2024.

Popular in

December

Cheapest in

October

Average price

$2,486

Return from

$1,315

One-way from

$660
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
Thu 11/420:40FLL - ORD
Nonstop3h 23mSpirit Airlines
Sun 14/421:25ORD - FLL
Nonstop3h 09mSpirit Airlines
Deal found 27/3$134
Thu 25/407:00FLL - ORD
Nonstop3h 23mSpirit Airlines
Mon 29/407:45ORD - FLL
1 stop8h 32mSpirit Airlines
Deal found 28/3$135
Thu 18/421:33FLL - ORD
1 stop4h 53mSpirit Airlines
Sun 21/405:00ORD - FLL
Nonstop3h 06mSpirit Airlines
Deal found 28/3$150
Wed 24/421:59FLL - ORD
1 stop13h 33mSpirit Airlines
Sat 27/418:41ORD - FLL
Nonstop3h 07mSpirit Airlines
Deal found 27/3$155
Thu 25/416:31FLL - ORD
1 stop5h 34mSpirit Airlines
Mon 29/407:45ORD - FLL
1 stop8h 32mSpirit Airlines
Deal found 28/3$166
Fri 19/415:22FLL - ORD
Nonstop3h 24mSpirit Airlines
Sun 21/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 28/3$169
Tue 9/414:19FLL - ORD
Nonstop3h 22mSpirit Airlines
Tue 9/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 28/3$173
Thu 11/421:33FLL - ORD
1 stop4h 53mSpirit Airlines
Tue 16/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 28/3$175
Thu 11/421:59FLL - ORD
Nonstop3h 21mSpirit Airlines
Mon 15/407:45ORD - FLL
1 stop8h 32mSpirit Airlines
Deal found 28/3$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 639,854 searches and data were last updated on 29 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.
Thu 11/407:00FLL - ORD
Nonstop3h 23mSpirit Airlines
Tue 16/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 28/3$124
Thu 11/420:40FLL - ORD
Nonstop3h 23mSpirit Airlines
Sun 14/421:25ORD - FLL
Nonstop3h 09mSpirit Airlines
Deal found 27/3$134
Thu 25/407:00FLL - ORD
Nonstop3h 23mSpirit Airlines
Mon 29/407:45ORD - FLL
1 stop8h 32mSpirit Airlines
Deal found 28/3$135
Thu 2/507:00FLL - ORD
Nonstop3h 23mSpirit Airlines
Wed 8/507:20ORD - FLL
1 stop7h 57mSpirit Airlines
Deal found 28/3$137
Thu 16/507:00FLL - ORD
1 stop10h 28mSpirit Airlines
Sun 19/518:40ORD - FLL
Nonstop3h 06mSpirit Airlines
Deal found 27/3$143
Thu 18/421:33FLL - ORD
1 stop4h 53mSpirit Airlines
Sun 21/405:00ORD - FLL
Nonstop3h 06mSpirit Airlines
Deal found 28/3$150
Wed 24/421:59FLL - ORD
1 stop13h 33mSpirit Airlines
Sat 27/418:41ORD - FLL
Nonstop3h 07mSpirit Airlines
Deal found 27/3$155
Thu 25/416:31FLL - ORD
1 stop5h 34mSpirit Airlines
Mon 29/407:45ORD - FLL
1 stop8h 32mSpirit Airlines
Deal found 28/3$166
Fri 19/415:22FLL - ORD
Nonstop3h 24mSpirit Airlines
Sun 21/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 28/3$169

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 639,854 searches and data was last updated on 29 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.
Sat 6/414:19FLL - ORD
Nonstop3h 22mSpirit Airlines
Sat 6/422:00ORD - FLL
1 stop8h 20mSpirit Airlines
Deal found 27/3$270

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 639,854 searches and data was last updated on 29 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.
Mon 20/520:52EWR - ORD
1 stop12h 53mSpirit Airlines
Deal found 27/3$111

Direct flights to Illinois

Thu 11/420:40FLL - ORD
Nonstop3h 23mSpirit Airlines
Sun 14/421:25ORD - FLL
Nonstop3h 09mSpirit Airlines
Deal found 27/3$134
Mon 6/507:00FLL - ORD
Nonstop3h 23mSpirit Airlines
Thu 9/517:41ORD - FLL
Nonstop3h 05mSpirit Airlines
Deal found 28/3$189
Tue 9/414:19FLL - ORD
Nonstop3h 22mSpirit Airlines
Tue 9/420:42ORD - FLL
Nonstop3h 11mSpirit Airlines
Deal found 28/3$195
Tue 23/400:40LAS - ORD
Nonstop3h 27mSpirit Airlines
Sat 27/416:05ORD - LAS
Nonstop4h 06mSpirit Airlines
Deal found 27/3$223
Mon 22/421:59FLL - ORD
Nonstop3h 21mSpirit Airlines
Wed 24/418:45ORD - FLL
Nonstop3h 07mSpirit Airlines
Deal found 28/3$227
Tue 7/523:59LAX - ORD
Nonstop4h 04mSpirit Airlines
Sat 11/522:57ORD - LAX
Nonstop4h 31mSpirit Airlines
Deal found 27/3$284
Mon 29/423:59LAX - ORD
Nonstop4h 04mSpirit Airlines
Fri 3/518:21ORD - LAX
Nonstop4h 39mSpirit Airlines
Deal found 28/3$289
Tue 7/513:00PHL - ORD
Nonstop2h 25mUnited Airlines
Sat 11/521:25ORD - PHL
Nonstop2h 03mUnited Airlines
Deal found 28/3$290
Fri 17/521:00PHL - ORD
Nonstop2h 33mAmerican Airlines
Tue 21/506:40ORD - PHL
Nonstop1h 54mAmerican Airlines
Deal found 28/3$298

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 639,854 searches and data was last updated on 29 March 2024.

Fly from

Any airport

Budget

$121 - $298

Route

Depart

Return

Price

Fort LauderdaleChicago O'Hare Intl

FLL - ORD

FLLORD

Fort Lauderdale

Wed 24/4

Nonstop3h 21m

Chicago O'Hare Intl

Sat 27/4

Nonstop3h 09m

$121

Fort LauderdaleChicago O'Hare Intl

FLL - ORD

FLLORD

Fort Lauderdale

Thu 11/4

Nonstop3h 23m

Chicago O'Hare Intl

Tue 16/4

1 stop8h 20m

$124

Fort LauderdaleChicago O'Hare Intl

FLL - ORD

FLLORD

Fort Lauderdale

Thu 11/4

Nonstop3h 23m

Chicago O'Hare Intl

Sun 14/4

Nonstop3h 09m

$134

Fort LauderdaleChicago O'Hare Intl

FLL - ORD

FLLORD

Fort Lauderdale

Thu 25/4

Nonstop3h 23m

Chicago O'Hare Intl

Mon 29/4

1 stop8h 32m

$135

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Thu 5/9

1 stop4h 21m

Chicago O'Hare Intl

Mon 9/9

1 stop4h 44m

$239

Los AngelesChicago O'Hare Intl

LAX - ORD

LAXORD

Los Angeles

Sat 22/6

1 stop14h 01m

Chicago O'Hare Intl

Sat 29/6

1 stop7h 53m

$246

Los AngelesChicago O'Hare Intl

LAX - ORD

LAXORD

Los Angeles

Mon 29/4

Nonstop4h 04m

Chicago O'Hare Intl

Fri 3/5

1 stop28h 13m

$289

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Tue 7/5

Nonstop2h 25m

Chicago O'Hare Intl

Wed 8/5

Nonstop2h 03m

$290

PhiladelphiaChicago O'Hare Intl

PHL - ORD

PHLORD

Philadelphia

Fri 17/5

Nonstop2h 33m

Chicago O'Hare Intl

Tue 21/5

Nonstop1h 54m

$298

Flights are sorted by cheapest first

Deals found on 27/3

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 $111 while a return flight costs $208. Price data was last updated on 24 March 2024.

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 29 March 2024.
Get a feel of what it's like to fly with Air Canada, American Airlines 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.
8.5
Very Good
1,239 reviews

Crew

8.8

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

The crew was disorganized when sending water and snacks. They moved very slow. I did not even get the snack and water. The operation process definitely needs improvement. The entertainment contents were good.

8.5
Very Good
1,239 reviews
8.5
Very Good
1,239 reviews

Crew

8.8

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

The crew was disorganized when sending water and snacks. They moved very slow. I did not even get the snack and water. The operation process definitely needs improvement. The entertainment contents were good.

8.5
Very Good
985 reviews
8.5
Very Good
1,239 reviews

Crew

8.8

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

The crew was disorganized when sending water and snacks. They moved very slow. I did not even get the snack and water. The operation process definitely needs improvement. The entertainment contents were good.

8.3
Very Good
1,464 reviews
8.5
Very Good
1,239 reviews

Crew

8.8

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

The crew was disorganized when sending water and snacks. They moved very slow. I did not even get the snack and water. The operation process definitely needs improvement. The entertainment contents were good.

8.3
Very Good
685 reviews
8.5
Very Good
1,239 reviews

Crew

8.8

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

The crew was disorganized when sending water and snacks. They moved very slow. I did not even get the snack and water. The operation process definitely needs improvement. The entertainment contents were good.

8.1
Very Good
11,402 reviews
8.5
Very Good
1,239 reviews

Crew

8.8

Boarding

8.6

Food

8.2

Comfort

8.3

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

The crew was disorganized when sending water and snacks. They moved very slow. I did not even get the snack and water. The operation process definitely needs improvement. The entertainment contents were good.

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