Cheap Flights to Illinois from ₩97,900

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 which includes a city and a high rise building as well as a family
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Chicago

Chicago
Champaign showing signage and heritage elements
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Champaign

Champaign

How much is the cheapest flight to Illinois?

Prices were available within the past 7 days and start at ₩97,900 for one-way flights and ₩196,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 15 - Mon, Nov 17
LGA
New York
ORD
Chicago
₩196,300 Roundtrip, found 3 days ago
₩196,300
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Nov 15 from New York to Chicago, returning Mon, Nov 17, priced at ₩196,300 found 3 days ago
United
Wed, Dec 10 - Thu, Dec 11
LGA
New York
ORD
Chicago
₩296,300 Roundtrip, found 1 day ago
₩296,300
Roundtrip
found 1 day ago
Select United flight, departing Wed, Dec 10 from New York to Chicago, returning Thu, Dec 11, priced at ₩296,300 found 1 day ago
American Airlines
Thu, Dec 4 - Sun, Dec 7
LGA
New York
ORD
Chicago
₩305,300 Roundtrip, found 3 hours ago
₩305,300
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Thu, Dec 4 from New York to Chicago, returning Sun, Dec 7, priced at ₩305,300 found 3 hours ago
Delta
Tue, Feb 10 - Sat, Feb 28
LGA
New York
STL
St. Louis
₩345,400 Roundtrip, found 20 hours ago
₩345,400
Roundtrip
found 20 hours ago
Select Delta flight, departing Tue, Feb 10 from New York to St. Louis, returning Sat, Feb 28, priced at ₩345,400 found 20 hours ago
United
Fri, Sep 18 - Sun, Sep 20
ICN
Seoul
ORD
Chicago
₩670,500 Roundtrip, found 3 days ago
₩670,500
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 18 from Seoul to Chicago, returning Sun, Sep 20, priced at ₩670,500 found 3 days ago
Hawaiian Airlines
Fri, Nov 14 - Sat, Nov 15
ICN
Seoul
ORD
Chicago
₩808,500 Roundtrip, found 22 hours ago
₩808,500
Roundtrip
found 22 hours ago
Select Hawaiian Airlines flight, departing Fri, Nov 14 from Seoul to Chicago, returning Sat, Nov 15, priced at ₩808,500 found 22 hours ago
Alaska Airlines
Fri, Dec 26 - Wed, Jan 7
ICN
Seoul
ORD
Chicago
₩816,600 Roundtrip, found 14 hours ago
₩816,600
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Fri, Dec 26 from Seoul to Chicago, returning Wed, Jan 7, priced at ₩816,600 found 14 hours ago
American Airlines
Fri, Nov 7 - Wed, Nov 12
ICN
Seoul
STL
St. Louis
₩843,000 Roundtrip, just found
₩843,000
Roundtrip
just found
Select American Airlines flight, departing Fri, Nov 7 from Seoul to St. Louis, returning Wed, Nov 12, priced at ₩843,000 just found
United
Tue, Feb 17 - Thu, Feb 26
ICN
Seoul
MLI
Moline
₩856,200 Roundtrip, found 6 hours ago
₩856,200
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Feb 17 from Seoul to Moline, returning Thu, Feb 26, priced at ₩856,200 found 6 hours ago
American Airlines
Wed, Nov 12 - Wed, Dec 3
ICN
Seoul
BMI
Bloomington
₩883,100 Roundtrip, found 8 hours ago
₩883,100
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Nov 12 from Seoul to Bloomington, returning Wed, Dec 3, priced at ₩883,100 found 8 hours ago

Trending flights to Illinois

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Sep 18 - Sun, Sep 20
ICN
Seoul
ORD
Chicago
₩670,500 Roundtrip, found 3 days ago
₩670,500
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 18 from Seoul to Chicago, returning Sun, Sep 20, priced at ₩670,500 found 3 days 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 traveling somewhere new or rendezvousing at a favorite 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 ₩196,300. 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 ₩196,300 and ₩883,100. Many lucky travelers nabbed one-way tickets from New York (LGA) for as little as ₩97,900.
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 ₩196,300 to ₩883,100.
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 65ºF to 75ºF 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 traveler'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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