Cheap Flights to Illinois

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Home North America USA Cheap flights to Illinois, United States

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 inJanuaryHigh demand for flights, 5% potential price rise
Cheapest inOctoberBest time to find cheap flights, 3% potential price drop
Average price₹ 70,273Average for round-trip flights in October 2021
Round-trip from₹ 64,510From New Delhi Indira Gandhi Intl to Illinois
One-way from₹ 748One-way flight from New Delhi Indira Gandhi Intl (DEL) to Illinois

Cheap flights to Illinois in October, November 2021

The best prices found for ORD flights for October, November
31 Oct - 29 Nov
₹ 57,700pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl
31 Oct - 13 Nov
₹ 59,197pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl
31 Oct - 6 Nov
₹ 59,346pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl

Illinois 2021 flight deals

Cheap flights to Illinois found for this year
20 Oct - 16 Nov
₹ 56,054pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl
20 Oct - 21 Nov
₹ 57,625pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl
31 Oct - 29 Nov
₹ 57,700pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl

Last minute flights to Illinois

Late deals on return flights to Illinois, departing today and this week
31 Oct - 29 Nov
₹ 57,700pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl
31 Oct - 13 Nov
₹ 59,197pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl
31 Oct - 6 Nov
₹ 59,346pp
DEL
New Delhi Indira Gandhi Intl
Air India
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air India
Direct
DEL
New Delhi Indira Gandhi Intl

COVID Restrictions

View COVID Travel Restrictions for Illinois

Can I fly to Illinois from USA right now?

Information is based on travel restrictions for travel to Illinois within the United States

Most visitors from USA will not be allowed to enter Illinois.

COVID-19 testing requirements
Visitors from USA must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Illinois.

Quarantine requirements
Visitors from USA are not required to quarantine after entering Illinois.

Can I fly back to USA from Illinois?

Returning to USA from Illinois

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) test taken 72 hours before departing to USA.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering USA.

Hide COVID Travel Restrictions for Illinois

Cheapest prices for Illinois flights by month

The cheapest ticket to Illinois found for each month in 2021 based on historical flight searches by Cheapflights users.
January
₹ 71,470
February
₹ 72,144
March
₹ 69,674
April
₹ 73,042
May
₹ 75,661
June
₹ 77,532
July
₹ 80,750
August
₹ 90,704
September
₹ 71,096
October
₹ 71,620
November
₹ 69,824
December
₹ 68,701
At the present moment the cheapest month to fly to Illinois is currently December; with August being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

When is the best time to fly to Illinois?

Average Chicago flight ticket prices and weather conditions for 2021 and 2022 by month.
DEL - CHI
Price
₹ 67,323 - ₹ 134,976
CHI
Temperature
1 - 29 °C
CHI
Precipitation
17 - 109 mm
The best time to fly to Illinois is during May, but great deals can be found at other times. July sees the temperatures in Illinois peak to their warmest. May tends, on average, to see the most amount of rainfall.

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

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 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Which day is cheapest to fly to Illinois?

Monday is currently, on average, the cheapest day to fly to Illinois. Flying on Saturday will result in higher flight prices.

What time of day is cheapest to fly to Illinois?

Illinois flights can be made cheaper if you choose a flight at midday. Booking a flight in the afternoon will likely mean higher prices.

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.

Cheapest flights to USA

Not set on Illinois? See the cheapest flights to India. Airfare prices updated on October 21, 2021.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.
Home North America USA Cheap flights to Illinois, United States
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