Cheap flights to Illinois

Popular airlines to Illinois

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • Alaska Airlines

    Alaska Airlines

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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 €301 for one-way flights and €354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Fri, 21 Nov - Fri, 28 Nov
DUB
Dublin
ORD
Chicago
€354 Return, found 5 hours ago
€354
Return
found 5 hours ago
Select TAP Portugal flight, departing Fri, 21 Nov from Dublin to Chicago, returning Fri, 28 Nov, priced at €354 found 5 hours ago
Icelandair
Mon, 24 Nov - Mon, 1 Dec
DUB
Dublin
ORD
Chicago
€388 Return, found 5 hours ago
€388
Return
found 5 hours ago
Select Icelandair flight, departing Mon, 24 Nov from Dublin to Chicago, returning Mon, 1 Dec, priced at €388 found 5 hours ago
British Airways
Sun, 1 Feb - Sat, 7 Feb
DUB
Dublin
ORD
Chicago
€389 Return, found 6 days ago
€389
Return
found 6 days ago
Select British Airways flight, departing Sun, 1 Feb from Dublin to Chicago, returning Sat, 7 Feb, priced at €389 found 6 days ago
Scandinavian Airlines
Sat, 14 Feb - Wed, 18 Feb
DUB
Dublin
ORD
Chicago
€390 Return, found 5 hours ago
€390
Return
found 5 hours ago
Select Scandinavian Airlines flight, departing Sat, 14 Feb from Dublin to Chicago, returning Wed, 18 Feb, priced at €390 found 5 hours ago
American Airlines
Mon, 24 Nov - Mon, 1 Dec
DUB
Dublin
ORD
Chicago
€396 Return, found 5 hours ago
€396
Return
found 5 hours ago
Select American Airlines flight, departing Mon, 24 Nov from Dublin to Chicago, returning Mon, 1 Dec, priced at €396 found 5 hours ago
Lufthansa
Mon, 2 Feb - Fri, 20 Feb
DUB
Dublin
ORD
Chicago
€401 Return, found 6 days ago
€401
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 2 Feb from Dublin to Chicago, returning Fri, 20 Feb, priced at €401 found 6 days ago
Aer Lingus
Sat, 7 Feb - Wed, 11 Feb
DUB
Dublin
ORD
Chicago
€404 Return, found 5 days ago
€404
Return
found 5 days ago
Select Aer Lingus flight, departing Sat, 7 Feb from Dublin to Chicago, returning Wed, 11 Feb, priced at €404 found 5 days ago
KLM
Fri, 14 Nov - Sat, 29 Nov
DUB
Dublin
ORD
Chicago
€409 Return, found 6 hours ago
€409
Return
found 6 hours ago
Select KLM flight, departing Fri, 14 Nov from Dublin to Chicago, returning Sat, 29 Nov, priced at €409 found 6 hours ago
Delta
Sat, 15 Nov - Fri, 21 Nov
DUB
Dublin
MDW
Chicago
€417 Return, found 6 days ago
€417
Return
found 6 days ago
Select Delta flight, departing Sat, 15 Nov from Dublin to Chicago, returning Fri, 21 Nov, priced at €417 found 6 days ago
Iberia
Thu, 19 Feb - Sun, 22 Feb
DUB
Dublin
ORD
Chicago
€419 Return, found 5 hours ago
€419
Return
found 5 hours ago
Select Iberia flight, departing Thu, 19 Feb from Dublin to Chicago, returning Sun, 22 Feb, priced at €419 found 5 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.

TAP Portugal
Fri, 21 Nov - Fri, 28 Nov
DUB
Dublin
ORD
Chicago
€354 Return, found 5 hours ago
€354
Return
found 5 hours ago
Select TAP Portugal flight, departing Fri, 21 Nov from Dublin to Chicago, returning Fri, 28 Nov, priced at €354 found 5 hours 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 €354. 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 €354 and €434. Many lucky travellers nabbed one-way tickets from Kraków (KRK) for as little as €301.
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 €354 to €434.
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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