Flight to Illinois

Popular airlines to Illinois

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • American Airlines

    American Airlines

  • Spirit Airlines

    Spirit Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • JetBlue Airways

    JetBlue 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 S$152 for one-way flights and S$305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 23 Oct - Fri, 31 Oct
PHX
Phoenix
ORD
Chicago
S$305 Return, found 1 day ago
S$305
Return
found 1 day ago
Select Delta flight, departing Thu, 23 Oct from Phoenix to Chicago, returning Fri, 31 Oct, priced at S$305 found 1 day ago
Delta
Mon, 20 Oct - Fri, 24 Oct
PHX
Phoenix
MDW
Chicago
S$340 Return, found 1 day ago
S$340
Return
found 1 day ago
Select Delta flight, departing Mon, 20 Oct from Phoenix to Chicago, returning Fri, 24 Oct, priced at S$340 found 1 day ago
American Airlines
Sun, 19 Oct - Fri, 31 Oct
PHX
Phoenix
ORD
Chicago
S$355 Return, found 1 day ago
S$355
Return
found 1 day ago
Select American Airlines flight, departing Sun, 19 Oct from Phoenix to Chicago, returning Fri, 31 Oct, priced at S$355 found 1 day ago
United
Mon, 20 Oct - Fri, 24 Oct
PHX
Phoenix
ORD
Chicago
S$392 Return, found 1 day ago
S$392
Return
found 1 day ago
Select United flight, departing Mon, 20 Oct from Phoenix to Chicago, returning Fri, 24 Oct, priced at S$392 found 1 day ago
Delta
Wed, 3 Sep - Mon, 8 Sep
PHX
Phoenix
BMI
Bloomington
S$693 Return, found 2 hours ago
S$693
Return
found 2 hours ago
Select Delta flight, departing Wed, 3 Sep from Phoenix to Bloomington, returning Mon, 8 Sep, priced at S$693 found 2 hours ago
Air Canada
Fri, 14 Nov - Wed, 19 Nov
SIN
Singapore
ORD
Chicago
S$1,049 Return, found 6 days ago
S$1,049
Return
found 6 days ago
Select Air Canada flight, departing Fri, 14 Nov from Singapore to Chicago, returning Wed, 19 Nov, priced at S$1,049 found 6 days ago
All Nippon Airways
Mon, 1 Sep - Tue, 16 Sep
SIN
Singapore
ORD
Chicago
S$1,083 Return, found 13 hours ago
S$1,083
Return
found 13 hours ago
Select All Nippon Airways flight, departing Mon, 1 Sep from Singapore to Chicago, returning Tue, 16 Sep, priced at S$1,083 found 13 hours ago
Air Canada
Mon, 6 Oct - Mon, 13 Oct
SIN
Singapore
STL
St. Louis
S$1,154 Return, found 5 days ago
S$1,154
Return
found 5 days ago
Select Air Canada flight, departing Mon, 6 Oct from Singapore to St. Louis, returning Mon, 13 Oct, priced at S$1,154 found 5 days ago
Korean Air
Sun, 1 Mar - Mon, 16 Mar
SIN
Singapore
ORD
Chicago
S$1,249 Return, found 2 hours ago
S$1,249
Return
found 2 hours ago
Select Korean Air flight, departing Sun, 1 Mar from Singapore to Chicago, returning Mon, 16 Mar, priced at S$1,249 found 2 hours ago
Cathay Pacific
Sun, 21 Sep - Fri, 26 Sep
SIN
Singapore
ORD
Chicago
S$1,334 Return, found 1 hour ago
S$1,334
Return
found 1 hour ago
Select Cathay Pacific flight, departing Sun, 21 Sep from Singapore to Chicago, returning Fri, 26 Sep, priced at S$1,334 found 1 hour 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.

Illinois Flights Information

Airlines serving
Delta, American Airlines, United, Air Canada, Korean Air, Cathay Pacific, All Nippon Airways
Roundtrip price
from S$305

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 S$305. 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 S$305 and S$1,334. Many lucky travellers nabbed one-way tickets from Phoenix (PHX) for as little as S$152.
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.

When is the cheapest time to fly to Illinois?
Take off for Illinois early in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to hop on a plane, followed by Monday. If you're hoping to avoid the most expensive flights, steer clear of Saturdays.
How much is a plane ticket to Illinois?
In the last seven days, plane fares to Illinois ranged from S$305 to S$1,334.
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
Fri, 14 Nov - Wed, 19 Nov
SIN
Singapore
ORD
Chicago
S$1,049 Return, found 6 days ago
S$1,049
Return
found 6 days ago
Select Air Canada flight, departing Fri, 14 Nov from Singapore to Chicago, returning Wed, 19 Nov, priced at S$1,049 found 6 days ago
*Available to Expedia members.