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Cheap flights to Illinois

WAS — ORD
Mar 24 — Mar 311
1 adult
Sun 3/24
Sun 3/31

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.
Here’s why our users search for flights through Cheapflights

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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 180,727 searches and data was last updated on March 19, 2024.

Popular in

January

Cheapest in

November

Average price

4,073﷼

Return from

3,727﷼

One-way from

2,002﷼
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 19, 2024.
Read reviews from past customers who have flown Finnair, Royal Jordanian and Turkish Airlines 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
1,376 reviews

Food

6.9

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.0

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
1,376 reviews
7.8
Good
1,376 reviews

Food

6.9

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.0

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
4,578 reviews
7.8
Good
1,376 reviews

Food

6.9

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.0

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
4,921 reviews
7.8
Good
1,376 reviews

Food

6.9

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.0

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
3,799 reviews
7.8
Good
1,376 reviews

Food

6.9

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.0

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
15,312 reviews
7.8
Good
1,376 reviews

Food

6.9

Boarding

7.8

Overall

7.8

Comfort

7.6

Entertainment

7.0

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 favourite airline to Illinois
Fly your favorite airline to Illinois. Flight routes are based on user searches made on Cheapflights and were last updated on March 19, 2024.

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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 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?

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

Can Cheapflights find flights to Illinois with no change fees?

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

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.