Flight Destinations in Illinois

View ฿3,280 flight on Tue, 23 Jun 2026Opens in a new window

Popular airlines to Illinois

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

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Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at ฿3,280 for one-way flights and ฿6,885 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 13 Oct - Tue, 20 Oct
LAX
Los Angeles
ORD
Chicago
฿6,885 Return, found 3 days ago
฿6,885
Return
found 3 days ago
Select Delta flight, departing Tue, 13 Oct from Los Angeles to Chicago, returning Tue, 20 Oct, priced at ฿6,885 found 3 days ago
Delta
Tue, 13 Oct - Tue, 20 Oct
LAX
Los Angeles
MDW
Chicago
฿7,535 Return, found 3 days ago
฿7,535
Return
found 3 days ago
Select Delta flight, departing Tue, 13 Oct from Los Angeles to Chicago, returning Tue, 20 Oct, priced at ฿7,535 found 3 days ago
United
Tue, 13 Oct - Tue, 20 Oct
LAX
Los Angeles
ORD
Chicago
฿9,850 Return, found 3 days ago
฿9,850
Return
found 3 days ago
Select United flight, departing Tue, 13 Oct from Los Angeles to Chicago, returning Tue, 20 Oct, priced at ฿9,850 found 3 days ago
American Airlines
Tue, 13 Oct - Tue, 20 Oct
LAX
Los Angeles
ORD
Chicago
฿9,850 Return, found 3 days ago
฿9,850
Return
found 3 days ago
Select American Airlines flight, departing Tue, 13 Oct from Los Angeles to Chicago, returning Tue, 20 Oct, priced at ฿9,850 found 3 days ago
United
Wed, 12 Aug - Sat, 29 Aug
LAX
Los Angeles
STL
St. Louis
฿11,880 Return, found 2 days ago
฿11,880
Return
found 2 days ago
Select United flight, departing Wed, 12 Aug from Los Angeles to St. Louis, returning Sat, 29 Aug, priced at ฿11,880 found 2 days ago
Oman Air
Mon, 14 Sept - Tue, 29 Sept
BKK
Bangkok
ORD
Chicago
฿33,025 Return, found 2 days ago
฿33,025
Return
found 2 days ago
Select Oman Air flight, departing Mon, 14 Sept from Bangkok to Chicago, returning Tue, 29 Sept, priced at ฿33,025 found 2 days ago
Air Canada
Tue, 3 Nov - Tue, 19 Jan
BKK
Bangkok
ORD
Chicago
฿34,110 Return, found 2 days ago
฿34,110
Return
found 2 days ago
Select Air Canada flight, departing Tue, 3 Nov from Bangkok to Chicago, returning Tue, 19 Jan, priced at ฿34,110 found 2 days ago
Qatar Airways
Tue, 9 Jun - Tue, 8 Sept
BKK
Bangkok
ORD
Chicago
฿35,470 Return, found 2 days ago
฿35,470
Return
found 2 days ago
Select Qatar Airways flight, departing Tue, 9 Jun from Bangkok to Chicago, returning Tue, 8 Sept, priced at ฿35,470 found 2 days ago
Korean Air
Sun, 18 Oct - Sat, 31 Oct
BKK
Bangkok
ORD
Chicago
฿35,570 Return, found 6 days ago
฿35,570
Return
found 6 days ago
Select Korean Air flight, departing Sun, 18 Oct from Bangkok to Chicago, returning Sat, 31 Oct, priced at ฿35,570 found 6 days ago
All Nippon Airways
Fri, 15 May - Wed, 19 Aug
BKK
Bangkok
ORD
Chicago
฿36,405 Return, found 4 hours ago
฿36,405
Return
found 4 hours ago
Select All Nippon Airways flight, departing Fri, 15 May from Bangkok to Chicago, returning Wed, 19 Aug, priced at ฿36,405 found 4 hours 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.

Oman Air
Mon, 14 Sept - Tue, 29 Sept
BKK
Bangkok
ORD
Chicago
฿33,025 Return, found 2 days ago
฿33,025
Return
found 2 days ago
Select Oman Air flight, departing Mon, 14 Sept from Bangkok to Chicago, returning Tue, 29 Sept, priced at ฿33,025 found 2 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 ฿6,885. 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 ฿6,885 and ฿36,405. Many lucky travellers nabbed one-way tickets from Los Angeles (LAX) for as little as ฿3,280.
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 ฿6,885 to ฿36,405.
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 traveller'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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