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Cheap Flights to Illinois
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Economy
Flights to Illinois in 2021
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
| Popular in | August | High demand for flights, 8% potential price rise |
| Cheapest in | September | Best time to find cheap flights, 3% potential price drop |
| Average price | 4,002﷼ | Average for round-trip flights in April 2021 |
| Round-trip from | 4,052﷼ | From Doha to Chicago |
| One-way from | 2,638﷼ | One-way flight from Doha to Chicago |
When is the best time to book a flight to Illinois?
The best time to book flights to Illinois is 61 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?
The cheapest flights to Illinois are usually found when departing on a Friday. The departure day with the highest cost at present is Sunday.
What time of day is cheapest to fly to Illinois?
At the moment, flights in the evening are likely to offer the best value for money for your Illinois trip. A flight in the morning will more often than not be of higher cost.
Cheap flights to Illinois in April, May 2021
The best prices found for ORD flights for April, May
13 May - 2 Jun
4,034﷼pp
DOH
Doha Hamad Intl
Multiple airlines
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
2 STOPS
DOH
Doha Hamad Intl
13 May - 2 Jun
4,142﷼pp
DOH
Doha Hamad Intl
Royal Jordanian
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Royal Jordanian
1 STOP
DOH
Doha Hamad Intl
20 May - 3 Jun
4,222﷼pp
DOH
Doha Hamad Intl
Turkish Airlines
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Turkish Airlines
1 STOP
DOH
Doha Hamad Intl
Illinois 2021 flight deals
Cheap flights to Illinois found for this year
10 Jun - 12 Sep
3,778﷼pp
DOH
Doha Hamad Intl
Multiple airlines
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
2 STOPS
DOH
Doha Hamad Intl
11 Jun - 12 Sep
3,897﷼pp
DOH
Doha Hamad Intl
Multiple airlines
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
2 STOPS
DOH
Doha Hamad Intl
13 May - 2 Jun
4,034﷼pp
DOH
Doha Hamad Intl
Multiple airlines
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
2 STOPS
DOH
Doha Hamad Intl
Last minute flights to Illinois
Late deals on return flights to Illinois, departing today and this week
22 Apr - 21 May
4,337﷼pp
DOH
Doha Hamad Intl
Turkish Airlines
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Turkish Airlines
1 STOP
DOH
Doha Hamad Intl
22 Apr - 21 May
4,536﷼pp
DOH
Doha Hamad Intl
Royal Jordanian
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Royal Jordanian
2 STOPS
DOH
Doha Hamad Intl
21 Apr - 21 May
4,709﷼pp
DOH
Doha Hamad Intl
Multiple airlines
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
1 STOP
DOH
Doha Hamad Intl
Alternative, similarly priced destinations
See alternative destinations where airfare is generally forecast to be close to Illinois flight prices.
Find flights to Illinois
Select your preferred flight destination in Illinois from the list below.
Select your preferred route to Illinois from Qatar below
Cheapest flights to USA
Not set on Illinois? See the cheapest flights to Qatar. Airfare prices updated on April 14, 2021.
Doha to New York flights
from 3,468﷼ pp
Doha to Boston flights
from 3,854﷼ pp
Doha to Chicago flights
from 4,035﷼ pp
Doha to Washington flights
from 4,082﷼ pp
Doha to Miami flights
from 4,125﷼ pp
Doha to Los Angeles flights
from 4,150﷼ pp
Doha to William P. Hobby flights
from 4,211﷼ pp
Doha to Houston flights
from 4,211﷼ pp
Doha to Pittsburgh flights
from 4,219﷼ pp
Doha to Philadelphia flights
from 4,269﷼ pp
Doha to San Francisco flights
from 4,403﷼ pp
Doha to Atlanta flights
from 4,486﷼ pp
Doha to Buffalo flights
from 4,626﷼ pp
Doha to Tampa flights
from 4,709﷼ pp
Doha to Seattle flights
from 4,785﷼ pp
Doha to Charlotte flights
from 4,789﷼ pp
Popular flight searches
Check out other popular destinations found by fellow travellers in 2021.
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