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Cheap flights to Illinois

WAS — ORD
Apr 2 — Apr 91
1 adult
Tue 4/2
Tue 4/9

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 219,240 searches and data was last updated on March 29, 2024.

Popular in

January

Cheapest in

November

Average price

4,072﷼

Return from

3,603﷼

One-way from

2,144﷼
High demand for flights, 9% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for return flights in March 2024
From Doha Hamad Intl to Chicago
One-way flight from Doha Hamad Intl (DOH) to Illinois

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 January 28, 2024.
The price you pay for your flight to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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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 March 29, 2024.
Read reviews from past customers who have flown Etihad Airways, British Airways and Finnair to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.8
Good
1,379 reviews

Entertainment

7.0

Food

6.9

Overall

7.8

Comfort

7.6

Boarding

7.8

Crew

8.2

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.8
Good
1,379 reviews
7.8
Good
1,379 reviews

Entertainment

7.0

Food

6.9

Overall

7.8

Comfort

7.6

Boarding

7.8

Crew

8.2

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.7
Good
4,553 reviews
7.8
Good
1,379 reviews

Entertainment

7.0

Food

6.9

Overall

7.8

Comfort

7.6

Boarding

7.8

Crew

8.2

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.7
Good
4,840 reviews
7.8
Good
1,379 reviews

Entertainment

7.0

Food

6.9

Overall

7.8

Comfort

7.6

Boarding

7.8

Crew

8.2

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.5
Good
3,744 reviews
7.8
Good
1,379 reviews

Entertainment

7.0

Food

6.9

Overall

7.8

Comfort

7.6

Boarding

7.8

Crew

8.2

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.3
Good
15,181 reviews
7.8
Good
1,379 reviews

Entertainment

7.0

Food

6.9

Overall

7.8

Comfort

7.6

Boarding

7.8

Crew

8.2

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

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Fly your favorite airline to Illinois. Flight routes are based on user searches made on Cheapflights and were last updated on March 29, 2024.

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