Cheap flights to Illinois

Popular airlines to Illinois

  • United

    United

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Lufthansa

    Lufthansa

  • KLM

    KLM

  • Air Canada

    Air Canada

  • British Airways

    British Airways

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Popular cities in Illinois

Chicago which includes a city and a high-rise building as well as a family
FlightsFlights

Chicago

Chicago

Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at €248 for one-way flights and €343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, 5 Oct - Thu, 9 Oct
DUB
Dublin
ORD
Chicago
€343 Return, found 1 day ago
€343
Return
found 1 day ago
Select Icelandair flight, departing Sun, 5 Oct from Dublin to Chicago, returning Thu, 9 Oct, priced at €343 found 1 day ago
TAP Portugal
Tue, 25 Nov - Wed, 10 Dec
DUB
Dublin
ORD
Chicago
€353 Return, found 1 hour ago
€353
Return
found 1 hour ago
Select TAP Portugal flight, departing Tue, 25 Nov from Dublin to Chicago, returning Wed, 10 Dec, priced at €353 found 1 hour ago
American Airlines
Wed, 29 Oct - Fri, 7 Nov
DUB
Dublin
ORD
Chicago
€396 Return, just found
€396
Return
just found
Select American Airlines flight, departing Wed, 29 Oct from Dublin to Chicago, returning Fri, 7 Nov, priced at €396 just found
Aer Lingus
Fri, 5 Sep - Sun, 14 Sep
DUB
Dublin
ORD
Chicago
€397 Return, just found
€397
Return
just found
Select Aer Lingus flight, departing Fri, 5 Sep from Dublin to Chicago, returning Sun, 14 Sep, priced at €397 just found
Lufthansa
Wed, 29 Oct - Fri, 7 Nov
DUB
Dublin
ORD
Chicago
€397 Return, just found
€397
Return
just found
Select Lufthansa flight, departing Wed, 29 Oct from Dublin to Chicago, returning Fri, 7 Nov, priced at €397 just found
British Airways
Sat, 1 Nov - Fri, 7 Nov
DUB
Dublin
ORD
Chicago
€398 Return, just found
€398
Return
just found
Select British Airways flight, departing Sat, 1 Nov from Dublin to Chicago, returning Fri, 7 Nov, priced at €398 just found
KLM
Sat, 4 Oct - Sat, 18 Oct
DUB
Dublin
ORD
Chicago
€402 Return, found 11 hours ago
€402
Return
found 11 hours ago
Select KLM flight, departing Sat, 4 Oct from Dublin to Chicago, returning Sat, 18 Oct, priced at €402 found 11 hours ago
Air Canada
Thu, 11 Sep - Mon, 15 Sep
DUB
Dublin
ORD
Chicago
€407 Return, just found
€407
Return
just found
Select Air Canada flight, departing Thu, 11 Sep from Dublin to Chicago, returning Mon, 15 Sep, priced at €407 just found
American Airlines
Wed, 15 Apr - Wed, 29 Apr
WAW
Warsaw
ORD
Chicago
€420 Return, found 1 hour ago
€420
Return
found 1 hour ago
Select American Airlines flight, departing Wed, 15 Apr from Warsaw to Chicago, returning Wed, 29 Apr, priced at €420 found 1 hour ago
Delta
Mon, 8 Dec - Mon, 15 Dec
DUB
Dublin
MDW
Chicago
€426 Return, found 4 days ago
€426
Return
found 4 days ago
Select Delta flight, departing Mon, 8 Dec from Dublin to Chicago, returning Mon, 15 Dec, priced at €426 found 4 days ago

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.

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 €343. 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 €343 and €520. Many lucky travellers nabbed one-way tickets from Dublin (DUB) for as little as €248.
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 €343 to €520.
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.

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.

Icelandair
Sun, 5 Oct - Thu, 9 Oct
DUB
Dublin
ORD
Chicago
€343 Return, found 1 day ago
€343
Return
found 1 day ago
Select Icelandair flight, departing Sun, 5 Oct from Dublin to Chicago, returning Thu, 9 Oct, priced at €343 found 1 day ago
*Available to Expedia members.