Cheap flights to Illinois

Popular airlines to Illinois

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Lufthansa

    Lufthansa

  • Air Canada

    Air Canada

  • KLM

    KLM

  • British Airways

    British Airways

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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 20 hours ago
€343
Return
found 20 hours ago
Select Icelandair flight, departing Sun, 5 Oct from Dublin to Chicago, returning Thu, 9 Oct, priced at €343 found 20 hours ago
TAP Portugal
Tue, 25 Nov - Fri, 5 Dec
DUB
Dublin
ORD
Chicago
€353 Return, found 20 hours ago
€353
Return
found 20 hours ago
Select TAP Portugal flight, departing Tue, 25 Nov from Dublin to Chicago, returning Fri, 5 Dec, priced at €353 found 20 hours ago
Scandinavian Airlines
Sat, 27 Dec - Thu, 8 Jan
DUB
Dublin
ORD
Chicago
€379 Return, found 5 days ago
€379
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Sat, 27 Dec from Dublin to Chicago, returning Thu, 8 Jan, priced at €379 found 5 days ago
American Airlines
Tue, 23 Dec - Sat, 3 Jan
DUB
Dublin
ORD
Chicago
€396 Return, found 1 hour ago
€396
Return
found 1 hour ago
Select American Airlines flight, departing Tue, 23 Dec from Dublin to Chicago, returning Sat, 3 Jan, priced at €396 found 1 hour ago
Aer Lingus
Thu, 4 Sep - Thu, 11 Sep
DUB
Dublin
ORD
Chicago
€397 Return, just found
€397
Return
just found
Select Aer Lingus flight, departing Thu, 4 Sep from Dublin to Chicago, returning Thu, 11 Sep, priced at €397 just found
Lufthansa
Wed, 26 Nov - Wed, 3 Dec
DUB
Dublin
ORD
Chicago
€397 Return, just found
€397
Return
just found
Select Lufthansa flight, departing Wed, 26 Nov from Dublin to Chicago, returning Wed, 3 Dec, priced at €397 just found
British Airways
Fri, 19 Dec - Mon, 5 Jan
DUB
Dublin
ORD
Chicago
€398 Return, found 1 hour ago
€398
Return
found 1 hour ago
Select British Airways flight, departing Fri, 19 Dec from Dublin to Chicago, returning Mon, 5 Jan, priced at €398 found 1 hour ago
KLM
Sat, 4 Oct - Sat, 18 Oct
DUB
Dublin
ORD
Chicago
€402 Return, found 10 hours ago
€402
Return
found 10 hours ago
Select KLM flight, departing Sat, 4 Oct from Dublin to Chicago, returning Sat, 18 Oct, priced at €402 found 10 hours ago
Delta
Mon, 8 Dec - Mon, 15 Dec
DUB
Dublin
MDW
Chicago
€426 Return, found 3 days ago
€426
Return
found 3 days ago
Select Delta flight, departing Mon, 8 Dec from Dublin to Chicago, returning Mon, 15 Dec, priced at €426 found 3 days ago
Scandinavian Airlines
Fri, 5 Sep - Sun, 21 Sep
BUD
Budapest
ORD
Chicago
€515 Return, found 12 hours ago
€515
Return
found 12 hours ago
Select Scandinavian Airlines flight, departing Fri, 5 Sep from Budapest to Chicago, returning Sun, 21 Sep, priced at €515 found 12 hours 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 €567. 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 €567.
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 20 hours ago
€343
Return
found 20 hours ago
Select Icelandair flight, departing Sun, 5 Oct from Dublin to Chicago, returning Thu, 9 Oct, priced at €343 found 20 hours ago
*Available to Expedia members.