What is the cheapest month to fly to Illinois?

January is currently the cheapest month to fly to Illinois . At this moment in time January is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

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?

Cheapflights helps you find that perfect flight to Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights to Illinois become cheaper?

Yes, and it’s super simple to set up. Perform a flight search above and use a valid email address to enable the Price Alert feature. That’s it!

Cheap Flights to Illinois from 12,849,424 ₫

ICT — ORD

3 Apr — 10 Apr1

Round-trip

1 adult

Economy

Mon 3/4

Mon 10/4

Were you looking for Flights from Illinois?

Flights to Illinois in 2023

Popular in	December	High demand for flights, 7% potential price rise	Search Deals
Cheapest in	June	Best time to find cheap flights, 2% potential price drop	Search Deals
Average price	38,877,144 ₫	Average for round-trip flights in March 2023	Search Deals
Round-trip from	20,436,928 ₫	From Ho Chi Minh City to Chicago	Search Deals
One-way from	12,849,424 ₫	One-way flight from Ho Chi Minh City (SGN) to Illinois	Search Deals

Illinois 2023 flight deals

29 Aug - 3 Sep

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

31h 20m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

1 stop

33h 30m

20,436,928 ₫

EVA Air

Deal found 27/3

13 Sep - 12 Oct

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

30h 55m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

1 stop

21h 15m

20,906,742 ₫

EVA Air

Deal found 28/3

23 May - 27 Sep

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

28h 45m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

1 stop

39h 40m

21,047,686 ₫

United Airlines

Deal found 28/3

23 May - 27 Sep

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

2 stops

31h 59m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

2 stops

25h 55m

21,165,140 ₫

United Airlines

Deal found 28/3

14 Sep - 13 Oct

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

19h 55m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

1 stop

20h 20m

21,540,992 ₫

ANA

Deal found 28/3

30 Aug - 3 Sep

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

20h 20m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

1 stop

33h 30m

21,916,842 ₫

EVA Air

Deal found 27/3

29 Aug - 4 Sep

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

31h 20m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

1 stop

28h 55m

23,232,324 ₫

Multiple Airlines

Deal found 27/3

22 May - 26 Sep

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

31h 10m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

1 stop

33h 30m

23,843,082 ₫

EVA Air

Deal found 28/3

14 Sep - 13 Oct

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

21h 55m

ORD

Chicago O'Hare Intl

SGN

Ho Chi Minh City

1 stop

23h 50m

23,866,572 ₫

United Airlines

Deal found 28/3

One-way flights to Illinois

1 Sep

SGN

Ho Chi Minh City

ORD

Chicago O'Hare Intl

1 stop

30h 55m

12,849,424 ₫

EVA Air

Deal found 28/3

Find flights to Illinois within your budget

Fly from

Budget

20,436,927 ₫ - 27,460,653 ₫

Route

Depart

Return

Price

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-08-29

1 stop31h 20m

Chicago O'Hare Intl

2023-09-03

1 stop33h 30m

20,436,928 ₫

Pick Dates

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-09-13

1 stop30h 55m

Chicago O'Hare Intl

2023-10-12

1 stop21h 15m

20,906,742 ₫

Pick Dates

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-05-23

1 stop28h 45m

Chicago O'Hare Intl

2023-09-27

2 stops26h 10m

21,024,196 ₫

Pick Dates

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-05-23

1 stop28h 45m

Chicago O'Hare Intl

2023-09-27

2 stops26h 14m

21,047,686 ₫

Pick Dates

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-09-13

1 stop21h 10m

Chicago O'Hare Intl

2023-10-13

1 stop23h 00m

21,235,612 ₫

Pick Dates

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-05-24

2 stops35h 44m

Chicago O'Hare Intl

2023-07-31

1 stop23h 00m

21,353,066 ₫

Pick Dates

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-09-14

1 stop19h 55m

Chicago O'Hare Intl

2023-10-13

1 stop20h 20m

21,540,992 ₫

Pick Dates

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-08-29

1 stop31h 20m

Chicago O'Hare Intl

2023-09-04

1 stop28h 55m

23,232,324 ₫

Pick Dates

Ho Chi Minh CityChicago O'Hare Intl

SGN - ORD

SGNORD

Ho Chi Minh City

2023-05-26

1 stop22h 15m

Chicago O'Hare Intl

2023-06-10

2 stops44h 50m

27,460,654 ₫

Pick Dates

Flights are sorted by cheapest first

Deals found on 27/3

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

Search Deals

Which day is cheapest to fly to Illinois?

At the moment, Monday is the most economical day to take a flight to Illinois. Tuesday is likely to be the most costly.

Search Deals

What time of day is cheapest to fly to Illinois?

Flights at noon are typically the cheapest time of the day to fly to Illinois. Flights in the evening are usually the most expensive.

Search Deals

Find flights to Illinois cities and airports

Flights to Chicago

Flights to Chicago Greater Rockford Airport

Flights to Chicago Midway Airport

Flights to Chicago O'Hare Intl Airport

Flights to Illinois

Ho Chi Minh City to Chicago

Hanoi to Chicago

Ho Chi Minh City to Los Angeles flightsfrom 17,817,712 ₫ pp

Ho Chi Minh City to O'Hare Intl flightsfrom 20,107,352 ₫ pp

Ho Chi Minh City to Miami flightsfrom 22,002,350 ₫ pp

Hanoi to LaGuardia flightsfrom 23,234,202 ₫ pp

Hanoi to Newark flightsfrom 23,424,712 ₫ pp

Hanoi to Dulles Intl flightsfrom 24,451,962 ₫ pp

Hanoi to Atlanta flightsfrom 30,047,922 ₫ pp

Hanoi to Minneapolis flightsfrom 30,611,464 ₫ pp

Hanoi to Los Angeles flightsfrom 32,638,242 ₫ pp

Hanoi to Boston flightsfrom 38,156,448 ₫ pp

Ho Chi Minh City to Boston flightsfrom 84,194,032 ₫ pp

Ho Chi Minh City to Atlanta flightsfrom 93,093,728 ₫ pp

Ho Chi Minh City to Dulles Intl flightsfrom 94,291,752 ₫ pp

Ho Chi Minh City to Washington, D.C. flightsfrom 94,291,752 ₫ pp

Ho Chi Minh City to Tampa flightsfrom 104,630,728 ₫ pp

Flights to Wilmington, Delaware

Search flights to Illinois by cabin class

Prem Economyfrom 27,233,732 ₫/person

Economyfrom 12,713,648 ₫/person

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Cheap flights to Illinois

Were you looking for Flights from Illinois?

Flights to Illinois in 2023

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Illinois 2023 flight deals

Cheap flights to Illinois found for this year

One-way flights to Illinois

The cheapest one-way flights to Illinois

Find flights to Illinois within your budget

Use the slider to find flights to Illinois that fit your budget.

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 23 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?

At the moment, Monday is the most economical day to take a flight to Illinois. Tuesday is likely to be the most costly.

What time of day is cheapest to fly to Illinois?

Flights at noon are typically the cheapest time of the day to fly to Illinois. Flights in the evening are usually the most expensive.

Find flights to Illinois cities and airports

Select your preferred flight destination in Illinois from the list below.

Flights to Illinois

Cheapest flights to the United States

Not set on Illinois? See the cheapest flights to the United States. Airfare prices updated on 29 Mar 2023.

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How does Cheapflights help users find flights to Illinois?

Why should you use Cheapflights to find cheap flight tickets to Illinois?

Can Cheapflights find flights to Illinois with no change fees?

Can Cheapflights notify me if prices for flights to Illinois become cheaper?

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