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

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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 €120 for one-way flights and €343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 13 Aug - Tue, 19 Aug
MSO
Missoula
BMI
Bloomington
€392 Return, found 11 hours ago
€392
Return
found 11 hours ago
Select American Airlines flight, departing Wed, 13 Aug from Missoula to Bloomington, returning Tue, 19 Aug, priced at €392 found 11 hours ago
American Airlines
Sat, 16 Aug - Tue, 19 Aug
MSO
Missoula
BMI
Bloomington
€410 Return, found 11 hours ago
€410
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 16 Aug from Missoula to Bloomington, returning Tue, 19 Aug, priced at €410 found 11 hours ago
American Airlines
Wed, 13 Aug - Sat, 16 Aug
MSO
Missoula
BMI
Bloomington
€434 Return, found 11 hours ago
€434
Return
found 11 hours ago
Select American Airlines flight, departing Wed, 13 Aug from Missoula to Bloomington, returning Sat, 16 Aug, priced at €434 found 11 hours ago
American Airlines
Sat, 16 Aug - Sun, 17 Aug
MSO
Missoula
BMI
Bloomington
€447 Return, found 17 hours ago
€447
Return
found 17 hours ago
Select American Airlines flight, departing Sat, 16 Aug from Missoula to Bloomington, returning Sun, 17 Aug, priced at €447 found 17 hours ago
American Airlines
Mon, 18 Aug - Tue, 19 Aug
MSO
Missoula
BMI
Bloomington
€448 Return, found 11 hours ago
€448
Return
found 11 hours ago
Select American Airlines flight, departing Mon, 18 Aug from Missoula to Bloomington, returning Tue, 19 Aug, priced at €448 found 11 hours ago
British Airways
Thu, 18 Sep - Wed, 1 Oct
SKG
Thessaloniki
ORD
Chicago
€457 Return, found 20 hours ago
€457
Return
found 20 hours ago
Select British Airways flight, departing Thu, 18 Sep from Thessaloniki to Chicago, returning Wed, 1 Oct, priced at €457 found 20 hours ago
Austrian Airlines
Sun, 7 Sep - Sun, 21 Sep
SKG
Thessaloniki
ORD
Chicago
€467 Return, found 1 day ago
€467
Return
found 1 day ago
Select Austrian Airlines flight, departing Sun, 7 Sep from Thessaloniki to Chicago, returning Sun, 21 Sep, priced at €467 found 1 day ago
Delta
Fri, 15 Aug - Sun, 24 Aug
MSO
Missoula
BMI
Bloomington
€507 Return, found 11 hours ago
€507
Return
found 11 hours ago
Select Delta flight, departing Fri, 15 Aug from Missoula to Bloomington, returning Sun, 24 Aug, priced at €507 found 11 hours ago
Turkish Airlines
Wed, 3 Sep - Sat, 4 Oct
SKG
Thessaloniki
ORD
Chicago
€615 Return, found 6 days ago
€615
Return
found 6 days ago
Select Turkish Airlines flight, departing Wed, 3 Sep from Thessaloniki to Chicago, returning Sat, 4 Oct, priced at €615 found 6 days ago
LOT-Polish Airlines
Wed, 20 Aug - Fri, 24 Oct
SKG
Thessaloniki
ORD
Chicago
€629 Return, found 4 days ago
€629
Return
found 4 days ago
Select LOT-Polish Airlines flight, departing Wed, 20 Aug from Thessaloniki to Chicago, returning Fri, 24 Oct, priced at €629 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 €629. Many lucky travellers nabbed one-way tickets from Missoula (MSO) for as little as €120.
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 €629.
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
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