Illinois Flights - Book Cheap Flights to Illinois

View RM2,328 flight on Tue, 2 Jun 2026Opens in a new window

Popular airlines to Illinois

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  • Frontier Airlines

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  • 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 RM2,328 for one-way flights and RM3,883 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Mon, 5 Oct - Mon, 26 Oct
SGN
Ho Chi Minh City
ORD
Chicago
RM3,883 Return, found 3 hours ago
RM3,883
Return
found 3 hours ago
Select Korean Air flight, departing Mon, 5 Oct from Ho Chi Minh City to Chicago, returning Mon, 26 Oct, priced at RM3,883 found 3 hours ago
Delta
Mon, 5 Oct - Mon, 26 Oct
SGN
Ho Chi Minh City
ORD
Chicago
RM3,890 Return, found 3 hours ago
RM3,890
Return
found 3 hours ago
Select Delta flight, departing Mon, 5 Oct from Ho Chi Minh City to Chicago, returning Mon, 26 Oct, priced at RM3,890 found 3 hours ago
Cathay Pacific
Mon, 5 Oct - Mon, 26 Oct
SGN
Ho Chi Minh City
ORD
Chicago
RM4,014 Return, found 3 hours ago
RM4,014
Return
found 3 hours ago
Select Cathay Pacific flight, departing Mon, 5 Oct from Ho Chi Minh City to Chicago, returning Mon, 26 Oct, priced at RM4,014 found 3 hours ago
United
Tue, 29 Sept - Tue, 20 Oct
SGN
Ho Chi Minh City
ORD
Chicago
RM4,215 Return, found 3 hours ago
RM4,215
Return
found 3 hours ago
Select United flight, departing Tue, 29 Sept from Ho Chi Minh City to Chicago, returning Tue, 20 Oct, priced at RM4,215 found 3 hours ago
Malaysia Airlines
Thu, 25 Jun - Sat, 4 Jul
KUL
Kuala Lumpur
ORD
Chicago
RM4,278 Return, found 3 days ago
RM4,278
Return
found 3 days ago
Select Malaysia Airlines flight, departing Thu, 25 Jun from Kuala Lumpur to Chicago, returning Sat, 4 Jul, priced at RM4,278 found 3 days ago
All Nippon Airways
Thu, 24 Sept - Thu, 15 Oct
SGN
Ho Chi Minh City
ORD
Chicago
RM4,340 Return, found 3 hours ago
RM4,340
Return
found 3 hours ago
Select All Nippon Airways flight, departing Thu, 24 Sept from Ho Chi Minh City to Chicago, returning Thu, 15 Oct, priced at RM4,340 found 3 hours ago
Philippine Airlines
Wed, 18 Nov - Wed, 9 Dec
SGN
Ho Chi Minh City
ORD
Chicago
RM4,502 Return, found 3 hours ago
RM4,502
Return
found 3 hours ago
Select Philippine Airlines flight, departing Wed, 18 Nov from Ho Chi Minh City to Chicago, returning Wed, 9 Dec, priced at RM4,502 found 3 hours ago
Turkish Airlines
Tue, 16 Jun - Tue, 7 Jul
SGN
Ho Chi Minh City
ORD
Chicago
RM4,745 Return, found 3 hours ago
RM4,745
Return
found 3 hours ago
Select Turkish Airlines flight, departing Tue, 16 Jun from Ho Chi Minh City to Chicago, returning Tue, 7 Jul, priced at RM4,745 found 3 hours ago
Air Canada
Wed, 17 Feb - Wed, 14 Apr
KUL
Kuala Lumpur
ORD
Chicago
RM4,871 Return, found 4 days ago
RM4,871
Return
found 4 days ago
Select Air Canada flight, departing Wed, 17 Feb from Kuala Lumpur to Chicago, returning Wed, 14 Apr, priced at RM4,871 found 4 days ago
Qatar Airways
Wed, 23 Sept - Tue, 29 Sept
KUL
Kuala Lumpur
ORD
Chicago
RM4,941 Return, found 2 days ago
RM4,941
Return
found 2 days ago
Select Qatar Airways flight, departing Wed, 23 Sept from Kuala Lumpur to Chicago, returning Tue, 29 Sept, priced at RM4,941 found 2 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
Thu, 25 Jun - Sat, 4 Jul
KUL
Kuala Lumpur
ORD
Chicago
RM4,278 Return, found 3 days ago
RM4,278
Return
found 3 days ago
Select Malaysia Airlines flight, departing Thu, 25 Jun from Kuala Lumpur to Chicago, returning Sat, 4 Jul, priced at RM4,278 found 3 days 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 RM3,883. 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 RM3,883 and RM4,941. Many lucky travellers nabbed one-way tickets from Ho Chi Minh City (SGN) for as little as RM2,328.
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 RM3,883 to RM4,941.
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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