Flight Destinations in Illinois

Popular airlines to Illinois

  • Frontier Airlines

    Frontier Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Spirit Airlines

    Spirit Airlines

  • Southwest Airlines

    Southwest 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 ฿15,955 for one-way flights and ฿29,175 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 3 Nov - Mon, 17 Nov
BKK
Bangkok
ORD
Chicago
฿29,175 Return, found 2 hours ago
฿29,175
Return
found 2 hours ago
Select Air Canada flight, departing Mon, 3 Nov from Bangkok to Chicago, returning Mon, 17 Nov, priced at ฿29,175 found 2 hours ago
Philippine Airlines
Sun, 28 Sept - Fri, 3 Oct
BKK
Bangkok
STL
St. Louis
฿31,990 Return, found 23 hours ago
฿31,990
Return
found 23 hours ago
Select Philippine Airlines flight, departing Sun, 28 Sept from Bangkok to St. Louis, returning Fri, 3 Oct, priced at ฿31,990 found 23 hours ago
China Airlines
Tue, 21 Oct - Thu, 4 Dec
CNX
Chiang Mai
ORD
Chicago
฿33,015 Return, found 2 days ago
฿33,015
Return
found 2 days ago
Select China Airlines flight, departing Tue, 21 Oct from Chiang Mai to Chicago, returning Thu, 4 Dec, priced at ฿33,015 found 2 days ago
Korean Air
Wed, 17 Dec - Wed, 25 Feb
CNX
Chiang Mai
ORD
Chicago
฿33,020 Return, found 3 days ago
฿33,020
Return
found 3 days ago
Select Korean Air flight, departing Wed, 17 Dec from Chiang Mai to Chicago, returning Wed, 25 Feb, priced at ฿33,020 found 3 days ago
Delta
Mon, 10 Nov - Mon, 24 Nov
BKK
Bangkok
STL
St. Louis
฿33,020 Return, found 4 days ago
฿33,020
Return
found 4 days ago
Select Delta flight, departing Mon, 10 Nov from Bangkok to St. Louis, returning Mon, 24 Nov, priced at ฿33,020 found 4 days ago
Delta
Wed, 8 Oct - Sat, 25 Oct
BKK
Bangkok
MDW
Chicago
฿33,080 Return, found 2 days ago
฿33,080
Return
found 2 days ago
Select Delta flight, departing Wed, 8 Oct from Bangkok to Chicago, returning Sat, 25 Oct, priced at ฿33,080 found 2 days ago
Delta
Tue, 21 Oct - Sat, 25 Oct
CNX
Chiang Mai
MDW
Chicago
฿33,090 Return, found 6 days ago
฿33,090
Return
found 6 days ago
Select Delta flight, departing Tue, 21 Oct from Chiang Mai to Chicago, returning Sat, 25 Oct, priced at ฿33,090 found 6 days ago
United
Sun, 5 Oct - Sun, 26 Oct
BKK
Bangkok
ORD
Chicago
฿33,115 Return, found 2 hours ago
฿33,115
Return
found 2 hours ago
Select United flight, departing Sun, 5 Oct from Bangkok to Chicago, returning Sun, 26 Oct, priced at ฿33,115 found 2 hours ago
All Nippon Airways
Sun, 25 Jan - Sat, 31 Jan
BKK
Bangkok
ORD
Chicago
฿34,100 Return, found 2 days ago
฿34,100
Return
found 2 days ago
Select All Nippon Airways flight, departing Sun, 25 Jan from Bangkok to Chicago, returning Sat, 31 Jan, priced at ฿34,100 found 2 days ago
EVA Airways
Fri, 26 Dec - Tue, 30 Dec
BKK
Bangkok
ORD
Chicago
฿35,930 Return, found 2 days ago
฿35,930
Return
found 2 days ago
Select EVA Airways flight, departing Fri, 26 Dec from Bangkok to Chicago, returning Tue, 30 Dec, priced at ฿35,930 found 2 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 ฿29,175. 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 ฿29,175 and ฿35,930. Many lucky travellers nabbed one-way tickets from Bangkok (BKK) for as little as ฿15,955.
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 ฿29,175 to ฿35,930.
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.

Air Canada
Mon, 3 Nov - Mon, 17 Nov
BKK
Bangkok
ORD
Chicago
฿29,175 Return, found 2 hours ago
฿29,175
Return
found 2 hours ago
Select Air Canada flight, departing Mon, 3 Nov from Bangkok to Chicago, returning Mon, 17 Nov, priced at ฿29,175 found 2 hours ago
*Available to Expedia members.