Illinois Flights - Book Cheap Flights to Illinois

View RM2,318 flight on Mon, 23 Nov 2026Opens in a new window

Popular airlines to Illinois

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • JetBlue Airways

  • Southwest Airlines

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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at RM2,318 for one-way flights and RM3,837 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, 16 Dec - Wed, 6 Jan
SGN
Ho Chi Minh City
ORD
Chicago
RM3,837 Return, found 20 hours ago
RM3,837
Return
found 20 hours ago
Select Korean Air flight, departing Wed, 16 Dec from Ho Chi Minh City to Chicago, returning Wed, 6 Jan, priced at RM3,837 found 20 hours ago
Delta
Tue, 8 Sept - Tue, 29 Sept
SGN
Ho Chi Minh City
ORD
Chicago
RM3,843 Return, found 20 hours ago
RM3,843
Return
found 20 hours ago
Select Delta flight, departing Tue, 8 Sept from Ho Chi Minh City to Chicago, returning Tue, 29 Sept, priced at RM3,843 found 20 hours ago
United
Wed, 16 Dec - Wed, 6 Jan
SGN
Ho Chi Minh City
ORD
Chicago
RM3,850 Return, found 20 hours ago
RM3,850
Return
found 20 hours ago
Select United flight, departing Wed, 16 Dec from Ho Chi Minh City to Chicago, returning Wed, 6 Jan, priced at RM3,850 found 20 hours ago
All Nippon Airways
Sun, 4 Oct - Sun, 25 Oct
SGN
Ho Chi Minh City
ORD
Chicago
RM3,976 Return, found 20 hours ago
RM3,976
Return
found 20 hours ago
Select All Nippon Airways flight, departing Sun, 4 Oct from Ho Chi Minh City to Chicago, returning Sun, 25 Oct, priced at RM3,976 found 20 hours ago
Cathay Pacific
Sat, 6 Jun - Sat, 27 Jun
SGN
Ho Chi Minh City
ORD
Chicago
RM4,217 Return, found 20 hours ago
RM4,217
Return
found 20 hours ago
Select Cathay Pacific flight, departing Sat, 6 Jun from Ho Chi Minh City to Chicago, returning Sat, 27 Jun, priced at RM4,217 found 20 hours ago
Malaysia Airlines
Fri, 12 Feb - Tue, 16 Feb
KUL
Kuala Lumpur
ORD
Chicago
RM4,290 Return, found 1 day ago
RM4,290
Return
found 1 day ago
Select Malaysia Airlines flight, departing Fri, 12 Feb from Kuala Lumpur to Chicago, returning Tue, 16 Feb, priced at RM4,290 found 1 day ago
Philippine Airlines
Wed, 30 Dec - Wed, 20 Jan
SGN
Ho Chi Minh City
ORD
Chicago
RM4,450 Return, found 20 hours ago
RM4,450
Return
found 20 hours ago
Select Philippine Airlines flight, departing Wed, 30 Dec from Ho Chi Minh City to Chicago, returning Wed, 20 Jan, priced at RM4,450 found 20 hours ago
Turkish Airlines
Sun, 7 Jun - Sun, 28 Jun
SGN
Ho Chi Minh City
ORD
Chicago
RM4,533 Return, found 20 hours ago
RM4,533
Return
found 20 hours ago
Select Turkish Airlines flight, departing Sun, 7 Jun from Ho Chi Minh City to Chicago, returning Sun, 28 Jun, priced at RM4,533 found 20 hours ago
Qatar Airways
Fri, 4 Sept - Fri, 25 Sept
SGN
Ho Chi Minh City
ORD
Chicago
RM4,550 Return, found 20 hours ago
RM4,550
Return
found 20 hours ago
Select Qatar Airways flight, departing Fri, 4 Sept from Ho Chi Minh City to Chicago, returning Fri, 25 Sept, priced at RM4,550 found 20 hours ago
Air Canada
Wed, 20 Jan - Thu, 28 Jan
KUL
Kuala Lumpur
ORD
Chicago
RM4,880 Return, found 6 days ago
RM4,880
Return
found 6 days ago
Select Air Canada flight, departing Wed, 20 Jan from Kuala Lumpur to Chicago, returning Thu, 28 Jan, priced at RM4,880 found 6 days ago

Trending flights to Illinois

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Malaysia Airlines
Fri, 12 Feb - Tue, 16 Feb
KUL
Kuala Lumpur
ORD
Chicago
RM4,290 Return, found 1 day ago
RM4,290
Return
found 1 day ago
Select Malaysia Airlines flight, departing Fri, 12 Feb from Kuala Lumpur to Chicago, returning Tue, 16 Feb, priced at RM4,290 found 1 day ago

Frequently asked questions

How do I find cheap flights to Illinois that have flexible change policies?
Search for cheap flights to Illinois, then tick the "No change fee" box under the "Flexible change policies" heading. From then on it's smooth sailing. We understand that travel plans change and flexibility is essential, so book with confidence with Expedia.
Which airlines fly to Illinois?
Whether you're travelling somewhere new or rendezvousing at a favourite haunt, these airlines are waiting to take you into or near Illinois:

  • United Airlines - 13,063 flights to or near Illinois each month, including 12,950 flights to O'Hare Intl. Airport (ORD) and 108 flights to Quad City Intl. Airport (MLI) per month.
  • American Airlines - 8,977 flights to or near Illinois each month, including 8,855 flights to O'Hare Intl. Airport (ORD) and 121 flights to Quad City Intl. Airport (MLI) per month.
  • Southwest Airlines - 5,997 flights to or near Illinois each month, including 5,334 flights to Midway Intl. Airport (MDW) and 663 flights to O'Hare Intl. Airport (ORD) per month.

How can I find cheap tickets to Illinois?
One of the easiest ways to find cheap tickets to Illinois is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It'll reveal the cheapest prices for nearby days. The lowest price for a flight to Illinois in the last seven days was RM3,837. Booking well in advance will generally help you score an even bigger bargain.
How much is a flight to Illinois?
There were plenty of bargain fares up for grabs in the last seven days, with the cost of a return airfare to Illinois ranging between RM3,837 and RM4,880. Many lucky travellers nabbed one-way tickets from Ho Chi Minh City (SGN) for as little as RM2,318.
What are the most popular airports to fly into in Illinois?
Touch down at one of these top Illinois airports and you'll be perfectly placed to discover all that this wonderful region has to offer:

  • O'Hare Intl. Airport (ORD) - 25,318 flights per month.
  • Midway Intl. Airport (MDW) - 5,962 flights per month.
  • Quad City Intl. Airport (MLI) - 325 flights per month.

How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from RM3,837 to RM4,880.
What is the best time to go to Illinois?
A terrific time to check out Chicago is after June 20 when the summer season starts. In Illinois's main city, average temperatures range from 18ºC to 24ºC at this time — ideal weather for sightseeing! May, June and August are the most popular months to head to this hot spot.
What months are the cheapest to book a flight to Illinois?
The top month to purchase affordable flights to Illinois is February. Remember that in the U.S, an expensive time to reserve a ticket is during the busy month of December.

Book with confidence

About Illinois

Expedia offers flights to Illinois to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Illinois or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Illinois
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