2,016﷼+ Cheap flights to Illinois
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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Illinois in 2025
Find the latest flights to Illinois in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 206,823 searches and data was last updated on July 3, 2025.
Return from | 3,252﷼ |
---|---|
One-way from | 2,052﷼ |
Popular in | December |
Cheapest in | April |
Average price | 4,028﷼ |
Good round-trip deal | 6,235﷼ or less |
Find flight deals to Illinois
Cheapest flights to IllinoisExplore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on July 3, 2025.
Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on July 3, 2025.
Cheapflights Fare Finder
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 206,823 searches and data was last updated on July 3, 2025.
Use the filters below to find and compare flights to Illinois that are best for you.
Fly from
Route
Depart
Return
Price
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Wed 7/16
1:55 pm-4:10 pm
1 stop34h 15m
Chicago O'Hare Intl
Thu 7/31
8:10 pm-12:55 pm
1 stop32h 45m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Sun 8/24
5:35 pm-8:45 am
1 stop23h 10m
Chicago O'Hare Intl
Thu 8/28
1:55 pm-2:00 am
1 stop28h 05m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Fri 7/18
3:00 pm-1:10 pm
2 stops30h 10m
Chicago O'Hare Intl
Sun 10/5
7:25 pm-2:55 am
3 stops23h 30m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Fri 7/18
12:35 pm-9:40 am
1 stop29h 05m
Chicago O'Hare Intl
Sun 10/5
11:25 am-4:55 am
1 stop33h 30m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Mon 11/10
8:00 am-2:30 pm
Nonstop15h 30m
Chicago O'Hare Intl
Thu 4/9
7:20 pm-4:50 pm
Nonstop13h 30m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Tue 7/22
8:40 am-10:00 pm
2 stops45h 20m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Fri 7/11
6:05 pm-1:10 pm
2 stops27h 05m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Mon 11/10
1:50 am-10:05 am
1 stop17h 15m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Tue 11/11
4:35 am-9:48 pm
2 stops50h 13m
DohaChicago
DOH - ORD
DOHORD
Doha Hamad Intl
Mon 9/1
8:00 am-3:05 pm
Nonstop15h 05m
Best time to book a flight to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Illinois
How long is the flight to Illinois?
On average, a flight from Doha to Illinois takes 14 hours 45 minutes. Flights to Illinois from other popular cities in Qatar will vary in length. Below are a few examples of popular routes and their flight times.
Weekly flight availability to Illinois
The most flights from Doha to Illinois are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
What are the most popular airlines that fly to Illinois?
The most popular airlines flying from Doha to Illinois are Etihad Airways, Finnair and Qatar Airways.
What are the cheapest airlines that fly to Illinois?
The cheapest airlines flying from Doha to Illinois are Turkish Airlines, Royal Jordanian and Finnair.
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
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).
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 July 3, 2025.
Read reviews from past customers who have flown Qatar Airways, Etihad Airways, andTurkish Airlines to the United States. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
preeti,Jan 2025
DOH - PHL
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
preeti,Jan 2025
DOH - PHL
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
preeti,Jan 2025
DOH - PHL
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
preeti,Jan 2025
DOH - PHL
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
preeti,Jan 2025
DOH - PHL
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
preeti,Jan 2025
DOH - PHL
FAQs about flying to Illinois
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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?
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.