Cheap flights to Illinois from $34

This is the cheapest one-way flight price found on Cheapflights recently. Prices are subject to change and may not be available for all flights or travel dates.
BOS — ORD
Dec 5 — Dec 121

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Flights to Illinois in 2023

Find the latest flights to Illinois in 2023, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,965,316 searches and data was last updated on November 30, 2023.

Popular in

June

Cheapest in

February

Average price

$271

Round-trip from

$78

One-way from

$40
High demand for flights, 16% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in November 2023
From New York to Chicago
One-way flight from New York to Illinois

Find flights to Illinois

Browse one-way and round-trip flights deals to Illinois on Cheapflights. Flight deals are based on user searches and were last updated on November 30, 2023
Explore Illinois

Cheap flights to Illinois in November & December 2023

Search the best deals to popular Illinois cities recently found by Cheapflights users
The lowest-priced flights departing to Illinois in November and December 2023 can be found below. Be sure to check back soon as deals update often.
Cheap flights to Chicago, IL
Cheap flights to Moline, IL
Cheap flights to Peoria, IL

Illinois 2023 flight deals

Explore flight deals for Illinois in 2023, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 2,965,316 searches and data were last updated on November 30, 2023.
Check out some of the best flight deals to Illinois in 2023. More deals are always being added, so be sure to check back regularly.

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 2,965,316 searches and data was last updated on November 30, 2023.
Browse some of the flights available to Illinois departing last-minute. Double check the price, date, and time of your last-minute flight.

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 2,965,316 searches and data was last updated on November 30, 2023.
Take a look at some of the best available flights traveling to Illinois at this time. Reserve a round-trip flight to Illinois instead by utilizing the search form above.

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 2,965,316 searches and data was last updated on November 30, 2023.

Fly from

Any airport

Budget

$70 - $139

Route

Depart

Return

Price

Dallas/Fort WorthChicago O'Hare Intl

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 1/13

Nonstop2h 24m

Chicago O'Hare Intl

Sun 1/14

Nonstop2h 32m

$70

Dallas/Fort WorthChicago O'Hare Intl

DFW - ORD

DFWORD

Dallas/Fort Worth

Tue 12/12

Nonstop2h 25m

Chicago O'Hare Intl

Wed 12/13

Nonstop2h 32m

$71

Dallas/Fort WorthChicago O'Hare Intl

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 2/1

Nonstop2h 24m

Chicago O'Hare Intl

Sat 2/3

Nonstop2h 32m

$72

Dallas/Fort WorthChicago O'Hare Intl

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 1/27

Nonstop2h 24m

Chicago O'Hare Intl

Sat 2/3

1 stop9h 05m

$89

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Thu 1/4

Nonstop3h 53m

Chicago O'Hare Intl

Sun 1/7

Nonstop4h 47m

$104

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Thu 1/11

1 stop7h 47m

Chicago O'Hare Intl

Mon 1/15

Nonstop4h 50m

$109

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Thu 1/11

1 stop9h 10m

Chicago O'Hare Intl

Mon 1/15

1 stop14h 15m

$118

Boston Logan IntlChicago O'Hare Intl

BOS - ORD

BOSORD

Boston Logan Intl

Mon 12/4

Nonstop3h 01m

Chicago O'Hare Intl

Thu 12/7

Nonstop2h 13m

$128

Seattle/Tacoma IntlChicago O'Hare Intl

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Sat 4/13

Nonstop4h 12m

Chicago O'Hare Intl

Wed 4/17

Nonstop4h 33m

$139

Flights are sorted by cheapest first

Deals found on 11/29

When is the best time to fly to Illinois?

Learn the optimal time to secure your flight to Illinois, maximizing your chances of finding the best prices and availability. In the last 7 days, Cheapflights users made a total of 2,965,316 searches and data was last updated on November 30, 2023.

NYC - CHI

Price

$208 - $363

CHI

Temperature

23 - 73.4 °F

CHI

Rainfall

1.7 - 4.9 inches

Currently, January is the cheapest month in which you can book a flight to Illinois (average of $220). Flying to Illinois in June will prove the most costly (average of $367). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 November 30, 2023.
Get a feel of what it's like to fly with United Airlines, Delta and Alaska Airlines to Illinois by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
1,399 reviews

Overall

8.0

Boarding

8.3

Food

7.2

Entertainment

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Really great service. Impressed by the pre flight address given to passengers by the captain. Great touch!

8.0
Very good
1,399 reviews
8.0
Very good
1,399 reviews

Overall

8.0

Boarding

8.3

Food

7.2

Entertainment

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Really great service. Impressed by the pre flight address given to passengers by the captain. Great touch!

7.9
Good
3,035 reviews
8.0
Very good
1,399 reviews

Overall

8.0

Boarding

8.3

Food

7.2

Entertainment

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Really great service. Impressed by the pre flight address given to passengers by the captain. Great touch!

Southwest
7.6
Good
1,522 reviews
8.0
Very good
1,399 reviews

Overall

8.0

Boarding

8.3

Food

7.2

Entertainment

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Really great service. Impressed by the pre flight address given to passengers by the captain. Great touch!

7.6
Good
27 reviews
8.0
Very good
1,399 reviews

Overall

8.0

Boarding

8.3

Food

7.2

Entertainment

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Really great service. Impressed by the pre flight address given to passengers by the captain. Great touch!

7.5
Good
104 reviews
8.0
Very good
1,399 reviews

Overall

8.0

Boarding

8.3

Food

7.2

Entertainment

7.2

Comfort

8.0

Crew

8.6

Reviews

1 / 10

Really great service. Impressed by the pre flight address given to passengers by the captain. Great touch!

What is the cheapest month to fly to Illinois?

Discover the most budget-friendly month to fly to Illinois. In the last 7 days, Cheapflights users made a total of 2,965,316 searches and data was last updated on November 30, 2023.

January

$220

February

$229

March

$260

April

$293

May

$291

June

$367

July

$338

August

$274

September

$258

October

$248

November

$271

December

$254

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

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

The best time to book flights to Illinois is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Which day is cheapest to fly to Illinois?

At the moment, Tuesday is the most economical day to take a flight to Illinois. Friday is likely to be the most costly.

What time of day is cheapest to fly to Illinois?

To get the best value, try booking a flight in the morning when visiting Illinois. Generally the prices will increase for flights in the afternoon as these tend to have higher demand.

Brush up on your American history before your flight to Chicago: Home of President Abraham Lincoln, Lake Michigan, and ‘da Chicago Bears, Illinois has something for everyone. Whether you’re a history buff or a sports fanatic, it’s worth booking flights to Illinois.

The 21st state, located is the heart of the Midwest, is easy to get to thanks to two airports and one of the largest train stations in the country. Flights to Illinois are serviced by major airlines and Amtrak trains head right into the center of Chicago.

In between shopping and sports, make sure to visit one of Illinois’ numerous museums before boarding your Illinois flight home. The Burpee Museum of Natural History in Rockford features dinosaur fossils while the Abraham Lincoln Presidential Library and Museum in Springfield is the largest presidential library in the country. Tourists booking Illinois flights to Chicago can explore the John G. Shedd Aquarium, the Field Museum of Natural History, the Art Institute of Chicago, and the Museum of Science and Industry (Chicago).

Book a flight to Illinois to experience a plethora of cultures wrapped into one state.

Popular Destinations in Illinois

What is the climate like in Illinois?

Winters along the Great Lakes are long and cold. From late November into April, there is plenty of snow, icy winds, and sub-freezing temperatures, but it’s also the best time to find cheap flights to Illinois. Conversely, July and August can be hot and sticky and good Illinois flight and hotel deals are usually available. Spring and fall tend to have perfect weather and are great times to visit, although the tornado season is March through May.Chicago summers can have temperatures well into the 90s with humidity to match. Winters are cold and raw with temperatures in the teens and occasional blizzards. Mild winters are not uncommon, but if booking Illinois flight and travel plans during the winter it’s advisable to pack with snow and cold in mind.

When is the best time to fly to Illinois?

Peak Season: Winter is a prime time for skiing and snowmobiling in Illinois. Summer is the peak of the festival season in the Chicago area with major events taking place in the parks and neighborhoods every weekend, despite the heat and humidity. While many tourists gather on the great state of Illinois during the summer season, it’s more likely cheap flights to Illinois will be available during the winter months. Off Season: September can be the most enjoyable and mildest month of the year to visit Chicago, but there is less going on during this period. Fall is a wonderful time to visit the rest of the state and enjoy the milder temperatures and changing foliage. January to March is when Chicago is least busy and deals on hotels are usually attainable. However, it can be cold and windy. Find cheap flights to Illinois

What is the best way to travel around Illinois?

A tough city to drive in, Chicago has convenient public transportation, taxis are easy to come by, and many areas are a pleasure to walk through. The Chicago Transit Authority operates the “L” (or “El”) a system of elevated trains that run 24 hours a day. There is also a River Bus that runs during rush hour in the summer, and the city is becoming increasingly bike friendly. Except for Chicago, Illinois is mostly a quiet, rural state. Yet Amtrak trains, numerous commuter railroads, and, to a lesser extent, buses make getting around on public transportation feasible. Cycling is also generally easy on the state’s flat plains. Once you reach your destination, check for local transportation, but be prepared to rent a car.

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Search flights to Illinois by cabin class

First Classfrom $175/person
Business Classfrom $172/person
Prem Econ Classfrom $184/person
Economy Classfrom $19/person

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How does Cheapflights help users find flights to Illinois?

Deals for Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights to Illinois with no change fees?

Yes, we can. To see specific flights to Illinois with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Illinois flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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