Flight Destinations in Illinois

View ฿12,530 flight on Fri, 22 May 2026Opens in a new window

Popular airlines to Illinois

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Spirit Airlines

    Spirit Airlines

  • Southwest Airlines

    Southwest Airlines

  • JetBlue Airways

    JetBlue Airways

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at ฿12,530 for one-way flights and ฿18,160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, 24 May - Sun, 7 Jun
BER
Berlin
ORD
Chicago
฿18,160 Return, found 2 days ago
฿18,160
Return
found 2 days ago
Select Icelandair flight, departing Sun, 24 May from Berlin to Chicago, returning Sun, 7 Jun, priced at ฿18,160 found 2 days ago
United
Sat, 23 May - Sat, 30 May
BER
Berlin
ORD
Chicago
฿23,550 Return, found 2 days ago
฿23,550
Return
found 2 days ago
Select United flight, departing Sat, 23 May from Berlin to Chicago, returning Sat, 30 May, priced at ฿23,550 found 2 days ago
Air France
Sun, 24 May - Fri, 5 Jun
BER
Berlin
MDW
Chicago
฿23,725 Return, found 1 day ago
฿23,725
Return
found 1 day ago
Select Air France flight, departing Sun, 24 May from Berlin to Chicago, returning Fri, 5 Jun, priced at ฿23,725 found 1 day ago
Lufthansa
Sun, 24 May - Sat, 30 May
BER
Berlin
ORD
Chicago
฿24,025 Return, found 2 days ago
฿24,025
Return
found 2 days ago
Select Lufthansa flight, departing Sun, 24 May from Berlin to Chicago, returning Sat, 30 May, priced at ฿24,025 found 2 days ago
Delta
Fri, 22 May - Sat, 30 May
BER
Berlin
ORD
Chicago
฿24,150 Return, found 2 days ago
฿24,150
Return
found 2 days ago
Select Delta flight, departing Fri, 22 May from Berlin to Chicago, returning Sat, 30 May, priced at ฿24,150 found 2 days ago
Austrian Airlines
Sat, 23 May - Sat, 30 May
BER
Berlin
ORD
Chicago
฿24,545 Return, found 2 days ago
฿24,545
Return
found 2 days ago
Select Austrian Airlines flight, departing Sat, 23 May from Berlin to Chicago, returning Sat, 30 May, priced at ฿24,545 found 2 days ago
TAP Portugal
Sun, 24 May - Sun, 7 Jun
BER
Berlin
ORD
Chicago
฿24,730 Return, found 2 days ago
฿24,730
Return
found 2 days ago
Select TAP Portugal flight, departing Sun, 24 May from Berlin to Chicago, returning Sun, 7 Jun, priced at ฿24,730 found 2 days ago
KLM
Fri, 22 May - Sat, 30 May
BER
Berlin
ORD
Chicago
฿25,950 Return, found 2 days ago
฿25,950
Return
found 2 days ago
Select KLM flight, departing Fri, 22 May from Berlin to Chicago, returning Sat, 30 May, priced at ฿25,950 found 2 days ago
American Airlines
Sun, 24 May - Fri, 5 Jun
BER
Berlin
ORD
Chicago
฿26,525 Return, found 1 day ago
฿26,525
Return
found 1 day ago
Select American Airlines flight, departing Sun, 24 May from Berlin to Chicago, returning Fri, 5 Jun, priced at ฿26,525 found 1 day ago
Finnair
Sun, 24 May - Fri, 5 Jun
BER
Berlin
ORD
Chicago
฿27,235 Return, found 1 day ago
฿27,235
Return
found 1 day ago
Select Finnair flight, departing Sun, 24 May from Berlin to Chicago, returning Fri, 5 Jun, priced at ฿27,235 found 1 day 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.

Korean Air
Wed, 29 Apr - Tue, 5 May
BKK
Bangkok
ORD
Chicago
฿30,910 Return, just found
฿30,910
Return
just found
Select Korean Air flight, departing Wed, 29 Apr from Bangkok to Chicago, returning Tue, 5 May, priced at ฿30,910 just found

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 ฿18,160. 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 ฿18,160 and ฿30,910. Many lucky travellers nabbed one-way tickets from Berlin (BER) for as little as ฿12,530.
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 ฿18,160 to ฿30,910.
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

Explore a world of travel with Expedia

*Available to Expedia members.