Cheap Flights to Illinois from NT$13,744

View NT$13,744 flight on Sat, 2026/3/21Opens in a new window

Popular airlines to Illinois

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • JetBlue Airways

    JetBlue Airways

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 45% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Illinois?

Prices were available within the past 7 days and start at NT$13,744 for one-way flights and NT$21,995 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 27 - Wed, Jan 28
TPE
Taipei
ORD
Chicago
NT$21,995 Roundtrip, found 6 days ago
NT$21,995
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 27 from Taipei to Chicago, returning Wed, Jan 28, priced at NT$21,995 found 6 days ago
Delta
Tue, Jan 20 - Wed, Feb 4
TPE
Taipei
ORD
Chicago
NT$22,399 Roundtrip, found 5 days ago
NT$22,399
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jan 20 from Taipei to Chicago, returning Wed, Feb 4, priced at NT$22,399 found 5 days ago
Delta
Sat, Jan 24 - Sat, Jan 31
TPE
Taipei
MDW
Chicago
NT$22,403 Roundtrip, found 4 days ago
NT$22,403
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jan 24 from Taipei to Chicago, returning Sat, Jan 31, priced at NT$22,403 found 4 days ago
All Nippon Airways
Wed, Mar 11 - Wed, Aug 12
TSA
Taipei
ORD
Chicago
NT$25,989 Roundtrip, found 5 days ago
NT$25,989
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Wed, Mar 11 from Taipei to Chicago, returning Wed, Aug 12, priced at NT$25,989 found 5 days ago
All Nippon Airways
Wed, Mar 11 - Wed, Aug 12
TSA
Taipei
ORD
Chicago
NT$25,989 Roundtrip, found 5 days ago
NT$25,989
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Wed, Mar 11 from Taipei to Chicago, returning Wed, Aug 12, priced at NT$25,989 found 5 days ago
Korean Air
Wed, Apr 22 - Mon, Apr 27
TPE
Taipei
ORD
Chicago
NT$26,898 Roundtrip, found 4 days ago
NT$26,898
Roundtrip
found 4 days ago
Select Korean Air flight, departing Wed, Apr 22 from Taipei to Chicago, returning Mon, Apr 27, priced at NT$26,898 found 4 days ago
Delta
Mon, Jan 26 - Wed, Feb 4
TPE
Taipei
STL
St. Louis
NT$27,249 Roundtrip, found 4 days ago
NT$27,249
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 26 from Taipei to St. Louis, returning Wed, Feb 4, priced at NT$27,249 found 4 days ago
Cathay Pacific
Tue, Jan 27 - Tue, Feb 3
TPE
Taipei
PIA
Peoria
NT$27,819 Roundtrip, found 3 days ago
NT$27,819
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Tue, Jan 27 from Taipei to Peoria, returning Tue, Feb 3, priced at NT$27,819 found 3 days ago
Cathay Pacific
Mon, Jan 26 - Wed, Feb 4
TPE
Taipei
STL
St. Louis
NT$28,158 Roundtrip, found 4 days ago
NT$28,158
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Mon, Jan 26 from Taipei to St. Louis, returning Wed, Feb 4, priced at NT$28,158 found 4 days ago
Air Canada
Tue, Jan 27 - Tue, Feb 17
TPE
Taipei
ORD
Chicago
NT$32,899 Roundtrip, found 6 days ago
NT$32,899
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Jan 27 from Taipei to Chicago, returning Tue, Feb 17, priced at NT$32,899 found 6 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 NT$21,995. 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 NT$21,995 and NT$32,899. Many lucky travelers nabbed one-way tickets from Taipei (TPE) for as little as NT$13,744.
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 NT$21,995 to NT$32,899.
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.

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
Tue, Jan 27 - Wed, Jan 28
TPE
Taipei
ORD
Chicago
NT$21,995 Roundtrip, found 6 days ago
NT$21,995
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 27 from Taipei to Chicago, returning Wed, Jan 28, priced at NT$21,995 found 6 days ago
*Available to Expedia members.