Flight Destinations in 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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Top Cities to Visit in Illinois

Chicago showing a city and a skyscraper as well as a family
FlightsFlights

Chicago

Chicago
Peoria which includes skyline, a lake or waterhole and a city
FlightsFlights

Peoria

Peoria

Cheap round-trip flights to Illinois

Prices were available within the past 7 days and start at ฿16,040 for one-way flights and ฿28,885 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Tue, 3 Feb - Thu, 12 Feb
BKK
Bangkok
STL
St. Louis
฿28,885 Return, found 5 hours ago
฿28,885
Return
found 5 hours ago
Select Philippine Airlines flight, departing Tue, 3 Feb from Bangkok to St. Louis, returning Thu, 12 Feb, priced at ฿28,885 found 5 hours ago
Air Canada
Tue, 25 Nov - Mon, 1 Dec
BKK
Bangkok
ORD
Chicago
฿31,495 Return, found 5 hours ago
฿31,495
Return
found 5 hours ago
Select Air Canada flight, departing Tue, 25 Nov from Bangkok to Chicago, returning Mon, 1 Dec, priced at ฿31,495 found 5 hours ago
Korean Air
Wed, 24 Dec - Wed, 31 Dec
BKK
Bangkok
ORD
Chicago
฿32,085 Return, found 2 hours ago
฿32,085
Return
found 2 hours ago
Select Korean Air flight, departing Wed, 24 Dec from Bangkok to Chicago, returning Wed, 31 Dec, priced at ฿32,085 found 2 hours ago
Delta
Wed, 9 Sept - Wed, 16 Sept
BKK
Bangkok
MDW
Chicago
฿33,320 Return, found 4 hours ago
฿33,320
Return
found 4 hours ago
Select Delta flight, departing Wed, 9 Sept from Bangkok to Chicago, returning Wed, 16 Sept, priced at ฿33,320 found 4 hours ago
Delta
Wed, 26 Nov - Wed, 3 Dec
BKK
Bangkok
ORD
Chicago
฿33,320 Return, found 5 hours ago
฿33,320
Return
found 5 hours ago
Select Delta flight, departing Wed, 26 Nov from Bangkok to Chicago, returning Wed, 3 Dec, priced at ฿33,320 found 5 hours ago
United
Tue, 19 May - Sun, 23 Aug
BKK
Bangkok
ORD
Chicago
฿33,390 Return, found 2 days ago
฿33,390
Return
found 2 days ago
Select United flight, departing Tue, 19 May from Bangkok to Chicago, returning Sun, 23 Aug, priced at ฿33,390 found 2 days ago
All Nippon Airways
Sun, 21 Dec - Wed, 4 Feb
BKK
Bangkok
ORD
Chicago
฿34,355 Return, found 5 hours ago
฿34,355
Return
found 5 hours ago
Select All Nippon Airways flight, departing Sun, 21 Dec from Bangkok to Chicago, returning Wed, 4 Feb, priced at ฿34,355 found 5 hours ago
Turkish Airlines
Fri, 20 Mar - Sun, 5 Apr
BKK
Bangkok
ORD
Chicago
฿35,600 Return, found 6 hours ago
฿35,600
Return
found 6 hours ago
Select Turkish Airlines flight, departing Fri, 20 Mar from Bangkok to Chicago, returning Sun, 5 Apr, priced at ฿35,600 found 6 hours ago
EVA Airways
Fri, 12 Jun - Wed, 29 Jul
BKK
Bangkok
ORD
Chicago
฿36,150 Return, just found
฿36,150
Return
just found
Select EVA Airways flight, departing Fri, 12 Jun from Bangkok to Chicago, returning Wed, 29 Jul, priced at ฿36,150 just found
Thai Airways International
Fri, 12 Jun - Wed, 29 Jul
BKK
Bangkok
ORD
Chicago
฿37,345 Return, just found
฿37,345
Return
just found
Select Thai Airways International flight, departing Fri, 12 Jun from Bangkok to Chicago, returning Wed, 29 Jul, priced at ฿37,345 just found

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 ฿28,885. 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 ฿28,885 and ฿37,345. Many lucky travellers nabbed one-way tickets from Bangkok (BKK) for as little as ฿16,040.
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 ฿28,885 to ฿37,345.
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.

Philippine Airlines
Tue, 3 Feb - Thu, 12 Feb
BKK
Bangkok
STL
St. Louis
฿28,885 Return, found 5 hours ago
฿28,885
Return
found 5 hours ago
Select Philippine Airlines flight, departing Tue, 3 Feb from Bangkok to St. Louis, returning Thu, 12 Feb, priced at ฿28,885 found 5 hours ago
*Available to Expedia members.