Cheap Flights to DuPage County from ₩99,500

View ₩99,500 flight on Sat, Feb 21, 2026Opens in a new window

Popular airlines to DuPage County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Spirit Airlines

    Spirit Airlines

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • notification illustration

    Be in the know

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

    Book smarter

    Save up to 40% 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 DuPage County?

Prices were available within the past 7 days and start at ₩99,500 for one-way flights and ₩253,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Feb 14 - Mon, Feb 16
ATL
Atlanta
MDW
Chicago
₩253,100 Roundtrip, found 20 hours ago
₩253,100
Roundtrip
found 20 hours ago
Select Delta flight, departing Sat, Feb 14 from Atlanta to Chicago, returning Mon, Feb 16, priced at ₩253,100 found 20 hours ago
Delta
Sat, Feb 14 - Mon, Feb 16
ATL
Atlanta
ORD
Chicago
₩253,100 Roundtrip, found 20 hours ago
₩253,100
Roundtrip
found 20 hours ago
Select Delta flight, departing Sat, Feb 14 from Atlanta to Chicago, returning Mon, Feb 16, priced at ₩253,100 found 20 hours ago
Delta
Sat, Feb 21 - Sat, Feb 28
DFW
Dallas
MDW
Chicago
₩256,300 Roundtrip, found 5 days ago
₩256,300
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Feb 21 from Dallas to Chicago, returning Sat, Feb 28, priced at ₩256,300 found 5 days ago
Delta
Sat, Feb 21 - Sat, Feb 28
DFW
Dallas
ORD
Chicago
₩256,300 Roundtrip, found 5 days ago
₩256,300
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Feb 21 from Dallas to Chicago, returning Sat, Feb 28, priced at ₩256,300 found 5 days ago
Delta
Sat, Feb 21 - Sat, Feb 28
DAL
Dallas
ORD
Chicago
₩256,300 Roundtrip, found 5 days ago
₩256,300
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Feb 21 from Dallas to Chicago, returning Sat, Feb 28, priced at ₩256,300 found 5 days ago
American Airlines
Sat, Feb 14 - Mon, Feb 16
ATL
Atlanta
ORD
Chicago
₩325,600 Roundtrip, found 20 hours ago
₩325,600
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Sat, Feb 14 from Atlanta to Chicago, returning Mon, Feb 16, priced at ₩325,600 found 20 hours ago
United
Sat, Feb 21 - Sat, Feb 28
DFW
Dallas
ORD
Chicago
₩329,100 Roundtrip, found 5 days ago
₩329,100
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 21 from Dallas to Chicago, returning Sat, Feb 28, priced at ₩329,100 found 5 days ago
Delta
Mon, Mar 23 - Sat, Mar 28
DAL
Dallas
MDW
Chicago
₩486,400 Roundtrip, found 16 hours ago
₩486,400
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Mar 23 from Dallas to Chicago, returning Sat, Mar 28, priced at ₩486,400 found 16 hours ago
Hawaiian Airlines
Fri, Feb 6 - Thu, Feb 19
ICN
Seoul
ORD
Chicago
₩871,700 Roundtrip, found 6 days ago
₩871,700
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Fri, Feb 6 from Seoul to Chicago, returning Thu, Feb 19, priced at ₩871,700 found 6 days ago
Alaska Airlines
Wed, Apr 1 - Thu, Apr 16
ICN
Seoul
ORD
Chicago
₩872,300 Roundtrip, found 4 days ago
₩872,300
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Apr 1 from Seoul to Chicago, returning Thu, Apr 16, priced at ₩872,300 found 4 days ago

Trending flights to DuPage County

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.

Hawaiian Airlines
Fri, Feb 6 - Thu, Feb 19
ICN
Seoul
ORD
Chicago
₩871,700 Roundtrip, found 6 days ago
₩871,700
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Fri, Feb 6 from Seoul to Chicago, returning Thu, Feb 19, priced at ₩871,700 found 6 days ago

Frequently asked questions

How do I find cheap flights to DuPage County that have flexible change policies?
We know that travel schedules can change from one day to the next, so booking a flexible fare with Expedia is a wise idea. Just tick the "No change fee" box directly below the "Flexible change policies" filter. Your low-priced, flexible flight to DuPage County is just a few clicks away.
Which airlines fly to DuPage County?
Decide on your vacation dates and then make your way towards DuPage County with one of these leading airlines:

  • United Airlines - 12,954 flights to or near DuPage County each month, including 12,950 flights to O'Hare Intl. Airport (ORD) per month.
  • American Airlines - 8,855 flights to or near DuPage County each month, including 8,855 flights to O'Hare Intl. Airport (ORD) per month.
  • Southwest Airlines - 5,997 flights to or near DuPage County each month, including 5,334 flights to Midway Intl. Airport (MDW) per month.

How can I find cheap tickets to DuPage County?
For the best deal to DuPage County, book well ahead of time. Also make use of Expedia's "flexible dates" link at the top of your search results. This will display the cheapest prices for nearby days. In the last seven days, ₩253,100 was the lowest price for a flight to DuPage County.
How much is a flight to DuPage County?
The price of a round-trip journey to DuPage County in the last seven days varied between ₩253,100 and ₩958,000. If you were heading one way out of Atlanta (ATL), you could have purchased a cheap fare from just ₩99,500.
What are the most popular airports to fly into in DuPage County?
When you've decided where you're going in DuPage County, take your pick of these major airports:

  • O'Hare Intl. Airport (ORD) - 25,318 flights per month.
  • Midway Intl. Airport (MDW) - 5,962 flights per month.

When is the cheapest time to fly to DuPage County?
Leave for DuPage County early in the week and you'll usually be rewarded with cheaper fares. Tuesday is known for being the cheapest day to fly out, followed by Monday. If you want to avoid the most expensive flights, give Saturdays a wide berth.
How much is a plane ticket to DuPage County?
In the last seven days, seats varied between ₩253,100 and ₩958,000. Take a look at our fantastic deals to DuPage County, make a booking and get ready for your next fun vacation!
What months are the cheapest to book a flight to DuPage County?
February is the most affordable month to reserve a seat for your DuPage County escape. Airfares cost the most throughout the busy month of December, so avoid this time if you can.

Book with confidence

About DuPage County

Expedia offers flights to DuPage County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to DuPage County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About DuPage County

Explore a world of travel with Expedia

*Available to Expedia members.